From fb0662fbaa2779dd3f530ae62cc9371e06ce84f9 Mon Sep 17 00:00:00 2001
From: chenliandong <liandong.cld@alibaba-inc.com>
Date: Wed, 10 Oct 2018 08:54:37 +0800
Subject: [PATCH] add apache check demo (#161)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* feat: 新版站点

* fix: issue #14

* feat: build

* feat:  optimization for loading js

* chore: adjust build for loading js

* fix: [issue28](https://github.com/apache/incubator-dubbo-website/issues/28) not compiled

* feat: 修改hash类型，支持Google爬虫SEO

* fix: docs page sidemenu unselected

* add star icon && optimize for build

* use react github button

* add attendtion

* build

* modify README.md

* 调整首页按钮颜色

* build

* feat: add google and baidu search

* feat: build

* feat: add apache check demo
---
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 build/blog.css                                |  2 +
 build/blog.js                                 |  6 +--
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 build/blogDetail.js                           |  6 +--
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 build/community.js                            |  6 +--
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 .../blog/sentinel-introduction-for-dubbo.html |  4 +-
 ...spring-boot-dubbo-start-stop-analysis.html |  4 +-
 en-us/blog/tracing-with-skywalking.html       | 12 ++---
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 en-us/community/index.html                    |  2 +-
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 en-us/docs/admin/ops/pinpoint.html            |  4 +-
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index 8b592b5f9bb5..a45ce1140dc5 100644
--- a/404.html
+++ b/404.html
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 </head>
 <body>
+  <!-- 添加Apache校验项开始 -->
+  <!-- 只加a标签和img标签，不要有其余的标签出现，同时设置style="display: none" -->
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+  <!-- 添加Apache校验项结束 -->
   <script src="//cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js"></script>
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+      .footer-container .footer-body .cols-container .col-4 {
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diff --git a/build/community.css b/build/community.css
index 803a8d6c3760..551313569fbf 100644
--- a/build/community.css
+++ b/build/community.css
@@ -249,6 +249,8 @@
         padding-right: 125px; }
       .footer-container .footer-body .cols-container .col-6 {
         width: 25%; }
+      .footer-container .footer-body .cols-container .col-4 {
+        width: 16.666667%; }
       .footer-container .footer-body .cols-container h3 {
         font-family: Avenir-Heavy;
         font-size: 18px;
diff --git a/build/community.js b/build/community.js
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diff --git a/build/home.css b/build/home.css
index b104d9b576da..aad129e6accd 100644
--- a/build/home.css
+++ b/build/home.css
@@ -202,6 +202,8 @@
         padding-right: 125px; }
       .footer-container .footer-body .cols-container .col-6 {
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+      .footer-container .footer-body .cols-container .col-4 {
+        width: 16.666667%; }
       .footer-container .footer-body .cols-container h3 {
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diff --git a/build/home.js b/build/home.js
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diff --git a/en-us/blog/apachecon-na-2018.html b/en-us/blog/apachecon-na-2018.html
index d99c7d4be07d..efb10fc56403 100644
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+++ b/en-us/blog/apachecon-na-2018.html
@@ -12,9 +12,9 @@
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="2078997410"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>The ApacheCon NA schedule has been announced</h2>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-16312922"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>The ApacheCon NA schedule has been announced</h2>
 <p>Ian Luo(PPMC) and Jun Liu(PPMC) will talk about &quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot; at ApacheCon NA this year in Montréal! Please check out the schedule <a href="https://apachecon.dukecon.org/acna/2018/#/scheduledEvent/b8db9dc580d85853f">here</a> and register <a href="https://www.eventbrite.com/e/apachecon-north-america-2018-registration-43200327342">here</a>.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-101.html b/en-us/blog/dubbo-101.html
index b526cd333a7a..e34085a1ef29 100644
--- a/en-us/blog/dubbo-101.html
+++ b/en-us/blog/dubbo-101.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1476748860"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Your First Dubbo Demo</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="2104079289"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Your First Dubbo Demo</h1>
 <h2>Java RMI Introduction</h2>
 <p>Java RMI (Remote Method Invocation) is a mechanism that allows users to access or invocate an object and a method running on another JVM (Java Virtual Machine). RMI is an implementation of RPC (Remote Procedure Call) in java with support of OOP (Object Oriented Paradigms). Instead of bothering IDL (Interface Define Language), users can build distributed applications by depending on interfaces in an easy and natural way.</p>
 <h3>Java RMI Work Flow</h3>
@@ -330,7 +330,7 @@ <h2>Summary</h2>
 <li><a href="http://dubbo.apache.org/books/dubbo-user-book/references/registry/multicast.html">Multicast 注册中心</a></li>
 <li><a href="http://dubbo.apache.org/books/dubbo-user-book/references/qos.html">在线运维命令</a></li>
 </ol>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-annotation.html b/en-us/blog/dubbo-annotation.html
index 1359abc5a4e8..cca25fbce091 100644
--- a/en-us/blog/dubbo-annotation.html
+++ b/en-us/blog/dubbo-annotation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1210341154"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Use Annotations In Dubbo</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-98254125"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Use Annotations In Dubbo</h1>
 <p>With the widely promotion and implementation of Microservices Architecture, the Microservices Architecture represented by Spring Boot and Spring Cloud, in Java ecosystem, introduced some brand new programming model, like:</p>
 <ul>
 <li>Annotation-Driven</li>
@@ -315,7 +315,7 @@ <h3>7.Server: Initiate Remote Calls</h3>
 <h2>Conclusion</h2>
 <p>By studying this article, the reader can master the basic concepts of <code>Dubbo</code>'s exclusive <code>annotations</code> , <code>@EnableDubbo</code>, <code>@Service</code>, <code>@Reference</code>, and master it's basic usage through a simple <code>Dubbo</code> application.</p>
 <p>In addition to traditional <code>XML</code> configuration, <code>Spring</code> offers more modern configurations such as annotation drivers, externalization, and auto-assembly.This article focuses on the development of <code>Dubbo</code> applications through annotations. You can be seen that annotation mode programming is more concise and simple than XML configuration. In future, we will introduce the use of externalization configuration and automatic assembly in <code>Dubbo</code>  further.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html b/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html
index a125029ee7a5..29cea98d40f0 100644
--- a/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html
+++ b/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1293430012"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Dubbo Basic Usage -- Dubbo Provider Configuration</h2>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1326836985"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Dubbo Basic Usage -- Dubbo Provider Configuration</h2>
 <h1>Dubbo Basic Usage</h1>
 <p>This chapter mainly talking about how to configure dubbo. According to the configuration mode, it can be divided into the following mode: XML Configuration, Properties Configuration, Annotation Configuration, API Invocation Mode Configuration. And according to the function, we can divide them into Dubbo Provider and Dubbo Consumer. In the following sections, we would explain Dubbo Provider and Dubbo Consumer respectively.</p>
 <h2>Dubbo Provider Configuration</h2>
@@ -385,7 +385,7 @@ <h3>Provider Interface and Implement</h3>
 &lt;/beans&gt;
 </code></pre>
 <p>For the other modes of Dubbo configuration, please refer to the related configurations in the previous chapter, or use the integrated Dubbo Spring Boot starter method.</p>
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diff --git a/en-us/blog/dubbo-generic-invoke.html b/en-us/blog/dubbo-generic-invoke.html
index 359dbb55ae29..2099d15ffeca 100644
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+++ b/en-us/blog/dubbo-generic-invoke.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-406470133"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Generic invoke of Dubbo</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1967793152"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Generic invoke of Dubbo</h1>
 <p>The generic invoke could be considered to be used in the following cases:</p>
 <ul>
 <li>Service test platform</li>
@@ -155,7 +155,7 @@ <h2>Others</h2>
 <li>The generic invoke and generic interface implementations introduced in this article are all based on the native Dubbo protocol. Prior to version 2.6.2, other protocols such as http/hessian don't support generic invoke. Version 2.6.3 will support the generic invoke of these two protocols.</li>
 <li>The relevant sample codes mentioned in this article can be found in dubbo-samples: <a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-generic">https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-generic</a></li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-invoke.html b/en-us/blog/dubbo-invoke.html
index 6e6c0096ff3c..f8048d83cf57 100644
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+++ b/en-us/blog/dubbo-invoke.html
@@ -12,7 +12,7 @@
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+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1125639860"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo: Several ways about synchronous/asynchronous invoke</h1>
 <p>As we all know，Dubbo adopts a single large join protocol by default and takes the NIO asynchronous communication mechanism of Netty as the low-level implementation. Based on this mechanism, Dubbo implements several invocation modes as follows:</p>
 <ul>
 <li>synchronous invoke</li>
@@ -173,7 +173,7 @@ <h3>Event notification</h3>
 </ul>
 <p>In the above configuration, <code>sayHello</code> method is an asynchronous invocation, so the execution of event notification method is also synchronous. You can configure the <code>async = true</code> to make method invocation asynchronous, at this moment, event notification method is executed asynchronously. Especially emphasize that <code>oninvoke</code> method is executed synchronously, whether is an asynchronous call or not.</p>
 <p>Please refer to the sample code for event notification：<a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-notify">https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-notify</a></p>
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+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1793129358"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>General goal</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-400484974"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>General goal</h1>
 <p>Dubbo's provider don't care about service registration.Open its Dubbo service port,the declaration and publishment of the service will be executed by Kubernetes.
 Dubbo's consumer directly discovers the corresponding service endpoints of Kubernetes during service discovery procedure, thereby reusing Dubbo's existing microservice channel capabilities.The benefit is that there is no need to rely on any third-party soft-loaded registry and it can be seamlessly integrated into the multi-tenant security system of Kubernetes. Reference demo : <a href="https://github.com/dubbo/dubbo-Kubernetes">https://github.com/dubbo/dubbo-ubernetes</a></p>
 <h1>Introduction</h1>
@@ -170,7 +170,7 @@ <h2>Demo Verification</h2>
 </li>
 </ul>
 <p>{&quot;kind&quot;:&quot;Pod&quot;,&quot;namespace&quot;:&quot;lzumwsrddf831iwarhehd14zh2-default&quot;,&quot;name&quot;:&quot;dubbo-k8s-demo-610694273-jq238&quot;,&quot;uid&quot;:&quot;12892e67-8bc8-11e8-b96a-00163e02c37b&quot;,&quot;apiVersion&quot;:&quot;v1&quot;,&quot;resourceVersion&quot;:&quot;850282769&quot;},&quot;reason&quot;:&quot;FailedSync&quot;,&quot;message&quot;:&quot;Error syncing pod&quot;,&quot;</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-loadbalance.html b/en-us/blog/dubbo-loadbalance.html
index bb74aaec5981..e426995a372f 100644
--- a/en-us/blog/dubbo-loadbalance.html
+++ b/en-us/blog/dubbo-loadbalance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="315546716"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo's Load Balance</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1810036305"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo's Load Balance</h1>
 <h2>Background</h2>
 <p>Dubbo is a distributed service framework that avoids single point of failure and horizontal expansion of support services. A service typically deploys multiple instances. How to select a call from a cluster of multiple service providers involves a load balancing strategy.</p>
 <h2>Concepts</h2>
@@ -238,7 +238,7 @@ <h2>Extended Load Balancing</h2>
 </code></pre>
 <p>Configure  <code>&lt;loadbalance=&quot;demo&quot;&gt;</code> in <code>dubbo:reference</code> at the Consumer side.</p>
 <p>After 3 steps above, we wrote a custom LoadBalance and told Dubbo to use it. Start Dubbo and we can see that Dubbo has used a custom DemoLoadBalance.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html b/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html
index e6648352e659..57b5f66c1c95 100644
--- a/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html
+++ b/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html
@@ -12,7 +12,7 @@
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="166458867"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>The first Dubbo meetup has been held in Beijing</h2>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-492498953"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>The first Dubbo meetup has been held in Beijing</h2>
 <p>The first Dubbo meetup has successfully been held in Beijing, over 400+ people were present. What a great event!</p>
 <p>Please enjoy the slides of the topics:</p>
 <ul>
@@ -21,7 +21,7 @@
 <li>Zhixuan Chen: Quickly building Microservice with Dubbo and Spring-boot (Chinese) <a href="https://github.com/dubbo/awesome-dubbo/raw/master/slides/meetup/201805%40Beijing/quickly-building-microservice-with-dubbo-and-springboot.pdf">slides</a></li>
 <li>Xin Wang: Dubbo and Weidian's Practice on Microservice Architecture (Chinese) <a href="https://github.com/dubbo/awesome-dubbo/raw/master/slides/meetup/201805%40Beijing/dubbo-and-weidian's-practice-on-microservice-architecture.pdf">slides</a></li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html b/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
index c762bacfc94a..4d3d49519947 100644
--- a/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
+++ b/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="687337986"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Dubbo Shanghai meetup has been held successfully</h2>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-637072378"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Dubbo Shanghai meetup has been held successfully</h2>
 <p>The sencond Dubbo meetup has successfully been held in Shanghai, over 700 people submitted registration, and over 300 were present, more than 10,000 watched the live online. A great event again!</p>
 <p>Please enjoy the slides of the topics:</p>
 <ul>
@@ -21,7 +21,7 @@
 <li>Ping Guo: Nacos Open Source Initiative (Chinese) <a href="https://github.com/dubbo/awesome-dubbo/blob/master/slides/meetup/201806%40Shanghai/nacos-open-source-initiative.pdf">slides</a></li>
 <li>Zhiwei Pan: Dubbo Practices on Internet Finance Industries (Chinese) <a href="https://github.com/dubbo/awesome-dubbo/blob/master/slides/meetup/201806%40Shanghai/dubbo-practices-on-internet-finance-industries.pdf">slides</a></li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-new-async.html b/en-us/blog/dubbo-new-async.html
index 8a13df9af848..b43e59251290 100644
--- a/en-us/blog/dubbo-new-async.html
+++ b/en-us/blog/dubbo-new-async.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1556165745"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>How to implement a fully asynchronous calls chain based on Dubbo</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-2128785818"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>How to implement a fully asynchronous calls chain based on Dubbo</h1>
 <p>Implementing the full asynchronous programming based on Dubbo, which is a new feature introduced in version 2.7.0 after the enhancement of the existing asynchronous mode.This article first reviews the supported functions and existing problems of asynchronization in 2.6.x and earlier versions, and introduces the targeted enhancements based on CompletableFuture in version 2.7.0. Then, the use of enhanced asynchronous programming is elaborated through several examples. Finally, it summarizes the new problems brought by the introduction of asynchronous mode and corresponding solutions from <a href="http://Dubbo.By">Dubbo.By</a> reading this article, it is easy to implement a fully asynchronous remote service call chain based on Dubbo 2.7.0+.</p>
 <h2>Asynchronous mode before version 2.6.x</h2>
 <p>Dubbo Provides some asynchronous programming capabilities in 2.6.x and earlier versions, including <a href="http://dubbo.apache.org/books/dubbo-user-book/demos/async-call.html">Asynchronous Call</a>, <a href="http://dubbo.apache.org/books/dubbo-user-book/demos/callback-parameter.html">Parameter Callback</a> and <a href="http://dubbo.apache.org/books/dubbo-user-book/demos/events-notify.html">Event Notification</a> on Consumer side. There are some brief introductions to the usage and Demo in the above document links.</p>
@@ -396,7 +396,7 @@ <h3>Context passing</h3>
     }
 }
 </code></pre>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo-zk.html b/en-us/blog/dubbo-zk.html
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1150139000"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Using Zookeeper in Dubbo</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-506044547"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Using Zookeeper in Dubbo</h1>
 <h2>Introduction of Zookeeper</h2>
 <h3>The basic concept</h3>
 <p>In the mordern distrbuted applications, there are multiple coordination problems between nodes and nodes, including: leader election, group service, locking, configuration management, naming and synchronization. Apache Zookeeper, as its name implied, is a distributed, open-source coordination service framwork to address these demand.</p>
@@ -258,7 +258,7 @@ <h2>Summary</h2>
 </li>
 </ol>
 </section>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/dubbo2-js.html b/en-us/blog/dubbo2-js.html
index 5fda8ba78b73..9e3b7d1e0602 100644
--- a/en-us/blog/dubbo2-js.html
+++ b/en-us/blog/dubbo2-js.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1434716296"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Implementation of cross-language calls by Dubbo2.js</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-180678276"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Implementation of cross-language calls by Dubbo2.js</h1>
 <blockquote>
 <p><a href="https://github.com/dubbo/dubbo2.js">dubbo2.js</a> is a Dubbo client for node.js developped by <a href="https://www.qianmi.com/">Qianmiwang</a>. It supports Dubbo's native protocol, which makes the RPC calls between javascript and java efficient and agile. This tool has been contributed to Dubbo's community.</p>
 </blockquote>
@@ -213,7 +213,7 @@ <h2>Features</h2>
 <h2>More details</h2>
 <p>The sample code in this article is available here, <a href="https://github.com/lexburner/Dubbojs-Learning">https://github.com/lexburner/Dubbojs-Learning</a>.
 If you don't know much about the dubbo protocol and want to understand how it works, the project provides a sub-moudle: java-socket-consumer, which is implemented in a process-oriented approach, realizing a process of sending dubbo protocal message with native socket and making function calls, and then get response.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/gsoc-2018.html b/en-us/blog/gsoc-2018.html
index 1faadadbe897..7cc5b2b98336 100644
--- a/en-us/blog/gsoc-2018.html
+++ b/en-us/blog/gsoc-2018.html
@@ -12,9 +12,9 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1492768196"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>The GSoC(Google Summer of Code) 2018 projects has been announced</h2>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1016598599"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>The GSoC(Google Summer of Code) 2018 projects has been announced</h2>
 <p>The GSoC(Google Summer of Code) 2018 projects has been announced, Raghu Reddy's project &quot;Extending Serialization protocols support for Apache Dubbo&quot; has been <a href="https://summerofcode.withgoogle.com/projects/#4747840161579008">accepted</a>! Congratulations!</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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src="/img/docs_normal.png" data-reactid="33"/><span data-reactid="34">Prepare an Apache Release</span></div><div class="brief-info" data-reactid="35"><span class="author" data-reactid="36">Jun Liu</span><span class="date" data-reactid="37">Sep 2nd, 2018</span></div><p data-reactid="38">How to prepare an Apache release</p></a></div><div class="slider-item" data-reactid="39"><a href="/en-us/blog/dubbo-new-async.html" target="_self" class="blog-item" data-reactid="40"><div class="title" data-reactid="41"><img src="/img/docs_normal.png" data-reactid="42"/><span data-reactid="43">How to implement a fully asynchronous calls chain based on Dubbo</span></div><div class="brief-info" data-reactid="44"><span class="author" data-reactid="45">@Siqi Zhuo</span><span class="date" data-reactid="46">Aug 13th, 2018</span></div><p data-reactid="47">Introduce the new feature of implementing the full asynchronous programming in Dubbo 2.7.0, mainly about previous asynchronous method before 2.6.x versions, enhancement in version 2.7.0 and a few examples to demonstrate its usage</p></a></div><div class="slider-item" data-reactid="48"><a href="/en-us/blog/dubbo-generic-invoke.html" target="_self" class="blog-item" data-reactid="49"><div class="title" data-reactid="50"><img src="/img/docs_normal.png" data-reactid="51"/><span data-reactid="52">Generic invoke of Dubbo</span></div><div class="brief-info" data-reactid="53"><span class="author" data-reactid="54">@ChasePGit</span><span class="date" data-reactid="55">August 14th，2018</span></div><p data-reactid="56">This blog describes details of Dubbo generic invoke including usage and examples.</p></a></div><div class="slider-item" data-reactid="57"><a href="/en-us/blog/dubbo-invoke.html" target="_self" class="blog-item" data-reactid="58"><div class="title" data-reactid="59"><img src="/img/docs_normal.png" data-reactid="60"/><span data-reactid="61">Several ways about synchronous/asynchronous invoke of Dubbo</span></div><div class="brief-info" data-reactid="62"><span class="author" data-reactid="63">@Hou Yongxu</span><span class="date" data-reactid="64">August 14th，2018</span></div><p data-reactid="65">This blog describes several ways about synchronous/asynchronous invoke of Dubbo</p></a></div><div class="slider-item" data-reactid="66"><a href="/en-us/blog/dubbo2-js.html" target="_self" class="blog-item" data-reactid="67"><div class="title" data-reactid="68"><img src="/img/docs_normal.png" data-reactid="69"/><span data-reactid="70">Implementation of cross-language calls by dubbo2.js</span></div><div class="brief-info" data-reactid="71"><span class="author" data-reactid="72">@Stella0824</span><span class="date" data-reactid="73">August 14th, 2018</span></div><p data-reactid="74">This blog describes how to use dubbo2.js for cross-language calls</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="75"><div class="slider-item" data-reactid="76"><a 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data-reactid="91">@smilechenjia</span><span class="date" data-reactid="92">August 14th, 2018</span></div><p data-reactid="93">This blog describes the full flow of Apache release in detail from how to install local environment and start vote.</p></a></div><div class="slider-item" data-reactid="94"><a href="/en-us/blog/spring-boot-dubbo-start-stop-analysis.html" target="_self" class="blog-item" data-reactid="95"><div class="title" data-reactid="96"><img src="/img/docs_normal.png" data-reactid="97"/><span data-reactid="98">Source code analysis of spring-boot+Dubbo App start and stop</span></div><div class="brief-info" data-reactid="99"><span class="author" data-reactid="100">@noahziheng</span><span class="date" data-reactid="101">August 14th, 2018</span></div><p data-reactid="102">Dubbo Spring Boot project is dedicated to simplifying the development of the Dubbo RPC framework in the Spring Boot application.</p></a></div><div class="slider-item" data-reactid="103"><a href="/en-us/blog/introduction-to-dubbo-spi-2.html" target="_self" class="blog-item" data-reactid="104"><div class="title" data-reactid="105"><img src="/img/docs_normal.png" data-reactid="106"/><span data-reactid="107">Dubbo extensible mechanism source code analysis</span></div><div class="brief-info" data-reactid="108"><span class="author" data-reactid="109">@cuteSoul</span><span class="date" data-reactid="110">August 14th, 2018</span></div><p data-reactid="111">This blog will go deep into the source code of Dubbo extension mechanism.</p></a></div><div class="slider-item" data-reactid="112"><a href="/en-us/blog/introduction-to-dubbo-qos.html" target="_self" class="blog-item" data-reactid="113"><div class="title" data-reactid="114"><img src="/img/docs_normal.png" data-reactid="115"/><span data-reactid="116">Manipulating Services Dynamically via QoS</span></div><div class="brief-info" data-reactid="117"><span class="author" data-reactid="118">@Wendell Hu (@wendzhue)</span><span class="date" data-reactid="119">August 14th, 2018</span></div><p data-reactid="120">This blog introduces how to use QoS of Dubbo to configure services dynamically, and QoS&#x27;s parameters and ways to configure</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="121"><div class="slider-item" data-reactid="122"><a href="/en-us/blog/dubbo-loadbalance.html" target="_self" class="blog-item" data-reactid="123"><div class="title" data-reactid="124"><img src="/img/docs_normal.png" data-reactid="125"/><span data-reactid="126">Dubbo Loadbalance</span></div><div class="brief-info" data-reactid="127"><span class="author" data-reactid="128">@CyanCity, @liaoandi</span><span class="date" data-reactid="129">August 10th, 2018</span></div><p data-reactid="130">This blog introduces serval loadbalancing concepts and Dubbo loadbalancing strategy implementation.</p></a></div><div class="slider-item" data-reactid="131"><a href="/en-us/blog/sentinel-introduction-for-dubbo.html" target="_self" class="blog-item" data-reactid="132"><div class="title" data-reactid="133"><img src="/img/docs_normal.png" data-reactid="134"/><span data-reactid="135">Sentinel: The flow sentinel of Dubbo services</span></div><div class="brief-info" data-reactid="136"><span class="author" data-reactid="137">@Eric Zhao</span><span class="date" data-reactid="138">July 27th, 2018</span></div><p data-reactid="139">This blog introduces to the Sentinel and its best practice with Dubbo services. Sentinel is a powerful library that takes &quot;flow&quot; as the breakthrough point, and covers multiple fields including flow control, circuit breaking and load protection to guarantee service stability.</p></a></div><div class="slider-item" data-reactid="140"><a href="/en-us/blog/pinpoint.html" target="_self" class="blog-item" data-reactid="141"><div class="title" data-reactid="142"><img src="/img/docs_normal.png" data-reactid="143"/><span data-reactid="144">Tracking with Pinpoint</span></div><div class="brief-info" data-reactid="145"><span class="author" data-reactid="146">@majinkai</span><span class="date" data-reactid="147">July 12th, 2018</span></div><p data-reactid="148">Call chain tracking and performance monitoring for Dubbo distributed applications using Pinpoint</p></a></div><div class="slider-item" data-reactid="149"><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" target="_self" class="blog-item" data-reactid="150"><div class="title" data-reactid="151"><img src="/img/docs_normal.png" data-reactid="152"/><span data-reactid="153">The first Dubbo meetup has been held in Beijing</span></div><div class="brief-info" data-reactid="154"><span class="author" data-reactid="155">Huxing Zhang</span><span class="date" data-reactid="156">May 12nd，2018</span></div><p data-reactid="157">The first Dubbo meetup has successfully been held in Beijing, over 400+ people were present. 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Congratulations!</p></a></div><div class="slider-item" data-reactid="177"><a href="/en-us/blog/qcon-beijing-2018.html" target="_self" class="blog-item" data-reactid="178"><div class="title" data-reactid="179"><img src="/img/docs_normal.png" data-reactid="180"/><span data-reactid="181">Dubbo roadmap is announced in QCon Beijing 2018</span></div><div class="brief-info" data-reactid="182"><span class="author" data-reactid="183">@Huxing Zhang</span><span class="date" data-reactid="184">April 22nd，2018</span></div><p data-reactid="185">Ian Luo has delivered a great talk at QCon Beijing 2018, where the roadmap of Dubbo has also be announced</p></a></div><div class="slider-item" data-reactid="186"><a href="/en-us/blog/introduction-to-dubbo-spi.html" target="_self" class="blog-item" data-reactid="187"><div class="title" data-reactid="188"><img src="/img/docs_normal.png" data-reactid="189"/><span data-reactid="190">Introduction to Dubbo spi </span></div><div class="brief-info" data-reactid="191"><span class="author" data-reactid="192">@wangxuekui</span><span class="date" data-reactid="193">August 9th, 2018</span></div><p data-reactid="194">We have introduction to Dubbo spi.</p></a></div><div class="slider-item" data-reactid="195"><a href="/en-us/blog/dubbo-annotation.html" target="_self" class="blog-item" data-reactid="196"><div class="title" data-reactid="197"><img src="/img/docs_normal.png" data-reactid="198"/><span data-reactid="199">Use annotation in Dubbo</span></div><div class="brief-info" data-reactid="200"><span class="author" data-reactid="201">@Ge Shao</span><span class="date" data-reactid="202">August 7nd，2018</span></div><p data-reactid="203">This blog introduces how to use annotations</p></a></div><div class="slider-item" data-reactid="204"><a href="/en-us/blog/dubbo-zk.html" target="_self" class="blog-item" data-reactid="205"><div class="title" data-reactid="206"><img src="/img/docs_normal.png" data-reactid="207"/><span data-reactid="208">Using Zookeeper in Dubbo</span></div><div class="brief-info" data-reactid="209"><span class="author" data-reactid="210">@Mani</span><span class="date" data-reactid="211">August 7th，2018</span></div><p data-reactid="212">This blog introduces how to use Zookeeper in Dubbo</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="213"><div class="slider-item" data-reactid="214"><a href="/en-us/blog/dubbo-101.html" target="_self" class="blog-item" data-reactid="215"><div class="title" data-reactid="216"><img src="/img/docs_normal.png" data-reactid="217"/><span data-reactid="218">Your First Dubbo Demo</span></div><div class="brief-info" data-reactid="219"><span class="author" data-reactid="220">@Yang Xinru</span><span class="date" data-reactid="221">August 7th，2018</span></div><p data-reactid="222">Your First Dubbo Demo</p></a></div></div></div><div class="slider-control" data-reactid="223"><img class="slider-control-prev slider-control-prev-hidden" src="/img/prev.png" data-reactid="224"/><img class="slider-control-next" src="/img/next.png" data-reactid="225"/></div></div></div><div class="col col-6 right-part" data-reactid="226"><h4 data-reactid="227">All posts</h4><ul data-reactid="228"><li data-reactid="229"><a href="/en-us/blog/prepare-an-apache-release.html" data-reactid="230"><span data-reactid="231"><!-- react-text: 232 -->Sep 2nd, 2018<!-- /react-text --><!-- react-text: 233 -->  <!-- /react-text --></span><span data-reactid="234">Prepare an Apache Release</span></a></li><li data-reactid="235"><a href="/en-us/blog/dubbo-new-async.html" data-reactid="236"><span data-reactid="237"><!-- react-text: 238 -->Aug 13th, 2018<!-- /react-text --><!-- react-text: 239 -->  <!-- /react-text --></span><span data-reactid="240">How to implement a fully asynchronous calls chain based on Dubbo</span></a></li><li data-reactid="241"><a href="/en-us/blog/dubbo-generic-invoke.html" data-reactid="242"><span data-reactid="243"><!-- react-text: 244 -->August 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-->  <!-- /react-text --></span><span data-reactid="264">The basic usage of Dubbo Provider configuration</span></a></li><li data-reactid="265"><a href="/en-us/blog/prepare-an-apache-release.html" data-reactid="266"><span data-reactid="267"><!-- react-text: 268 -->August 14th, 2018<!-- /react-text --><!-- react-text: 269 -->  <!-- /react-text --></span><span data-reactid="270">How to prepare an Apache release</span></a></li><li data-reactid="271"><a href="/en-us/blog/spring-boot-dubbo-start-stop-analysis.html" data-reactid="272"><span data-reactid="273"><!-- react-text: 274 -->August 14th, 2018<!-- /react-text --><!-- react-text: 275 -->  <!-- /react-text --></span><span data-reactid="276">Source code analysis of spring-boot+Dubbo App start and stop</span></a></li><li data-reactid="277"><a href="/en-us/blog/introduction-to-dubbo-spi-2.html" data-reactid="278"><span data-reactid="279"><!-- react-text: 280 -->August 14th, 2018<!-- /react-text --><!-- react-text: 281 -->  <!-- /react-text --></span><span data-reactid="282">Dubbo extensible mechanism source code analysis</span></a></li><li data-reactid="283"><a href="/en-us/blog/introduction-to-dubbo-qos.html" data-reactid="284"><span data-reactid="285"><!-- react-text: 286 -->August 14th, 2018<!-- /react-text --><!-- react-text: 287 -->  <!-- /react-text --></span><span data-reactid="288">Manipulating Services Dynamically via QoS</span></a></li><li data-reactid="289"><a href="/en-us/blog/dubbo-loadbalance.html" data-reactid="290"><span data-reactid="291"><!-- react-text: 292 -->August 10th, 2018<!-- /react-text --><!-- react-text: 293 -->  <!-- /react-text --></span><span data-reactid="294">Dubbo Loadbalance</span></a></li><li data-reactid="295"><a href="/en-us/blog/sentinel-introduction-for-dubbo.html" data-reactid="296"><span data-reactid="297"><!-- react-text: 298 -->July 27th, 2018<!-- /react-text --><!-- react-text: 299 -->  <!-- /react-text --></span><span data-reactid="300">Sentinel: The flow sentinel of Dubbo services</span></a></li><li data-reactid="301"><a href="/en-us/blog/pinpoint.html" data-reactid="302"><span data-reactid="303"><!-- react-text: 304 -->July 12th, 2018<!-- /react-text --><!-- react-text: 305 -->  <!-- /react-text --></span><span data-reactid="306">Tracking with Pinpoint</span></a></li><li data-reactid="307"><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="308"><span data-reactid="309"><!-- react-text: 310 -->May 12nd，2018<!-- /react-text --><!-- react-text: 311 -->  <!-- /react-text --></span><span data-reactid="312">The first Dubbo meetup has been held in Beijing</span></a></li><li data-reactid="313"><a href="/en-us/blog/apachecon-na-2018.html" data-reactid="314"><span data-reactid="315"><!-- react-text: 316 -->May 2nd，2018<!-- /react-text --><!-- react-text: 317 -->  <!-- /react-text --></span><span data-reactid="318">The ApacheCon NA schedule has been announced</span></a></li><li data-reactid="319"><a href="/en-us/blog/gsoc-2018.html" data-reactid="320"><span data-reactid="321"><!-- react-text: 322 -->April 25th，2018<!-- /react-text --><!-- react-text: 323 -->  <!-- /react-text --></span><span data-reactid="324">The GSoC (Google Summer of Code) 2018 projects has been announced</span></a></li><li data-reactid="325"><a href="/en-us/blog/qcon-beijing-2018.html" data-reactid="326"><span data-reactid="327"><!-- react-text: 328 -->April 22nd，2018<!-- /react-text --><!-- react-text: 329 -->  <!-- /react-text --></span><span data-reactid="330">Dubbo roadmap is announced in QCon Beijing 2018</span></a></li><li data-reactid="331"><a href="/en-us/blog/introduction-to-dubbo-spi.html" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->August 9th, 2018<!-- /react-text --><!-- react-text: 335 -->  <!-- /react-text --></span><span data-reactid="336">Introduction to Dubbo spi </span></a></li><li data-reactid="337"><a href="/en-us/blog/dubbo-annotation.html" data-reactid="338"><span data-reactid="339"><!-- react-text: 340 -->August 7nd，2018<!-- /react-text --><!-- react-text: 341 -->  <!-- /react-text --></span><span data-reactid="342">Use annotation in Dubbo</span></a></li><li data-reactid="343"><a href="/en-us/blog/dubbo-zk.html" data-reactid="344"><span data-reactid="345"><!-- react-text: 346 -->August 7th，2018<!-- /react-text --><!-- react-text: 347 -->  <!-- /react-text --></span><span data-reactid="348">Using Zookeeper in Dubbo</span></a></li><li data-reactid="349"><a href="/en-us/blog/dubbo-101.html" data-reactid="350"><span data-reactid="351"><!-- react-text: 352 -->August 7th，2018<!-- /react-text --><!-- react-text: 353 -->  <!-- /react-text --></span><span data-reactid="354">Your First Dubbo Demo</span></a></li></ul></div></section><footer class="footer-container" data-reactid="355"><div class="footer-body" data-reactid="356"><img src="/img/dubbo_gray.png" data-reactid="357"/><img class="apache" src="/img/apache_logo.png" data-reactid="358"/><div class="cols-container" data-reactid="359"><div class="col col-12" data-reactid="360"><h3 data-reactid="361">Disclaimer</h3><p data-reactid="362">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. 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src="/img/docs_normal.png" data-reactid="33"/><span data-reactid="34">Prepare an Apache Release</span></div><div class="brief-info" data-reactid="35"><span class="author" data-reactid="36">Jun Liu</span><span class="date" data-reactid="37">Sep 2nd, 2018</span></div><p data-reactid="38">How to prepare an Apache release</p></a></div><div class="slider-item" data-reactid="39"><a href="/en-us/blog/dubbo-new-async.html" target="_self" class="blog-item" data-reactid="40"><div class="title" data-reactid="41"><img src="/img/docs_normal.png" data-reactid="42"/><span data-reactid="43">How to implement a fully asynchronous calls chain based on Dubbo</span></div><div class="brief-info" data-reactid="44"><span class="author" data-reactid="45">@Siqi Zhuo</span><span class="date" data-reactid="46">Aug 13th, 2018</span></div><p data-reactid="47">Introduce the new feature of implementing the full asynchronous programming in Dubbo 2.7.0, mainly about previous asynchronous method before 2.6.x versions, enhancement in version 2.7.0 and a few examples to demonstrate its usage</p></a></div><div class="slider-item" data-reactid="48"><a href="/en-us/blog/dubbo-generic-invoke.html" target="_self" class="blog-item" data-reactid="49"><div class="title" data-reactid="50"><img src="/img/docs_normal.png" data-reactid="51"/><span data-reactid="52">Generic invoke of Dubbo</span></div><div class="brief-info" data-reactid="53"><span class="author" data-reactid="54">@ChasePGit</span><span class="date" data-reactid="55">August 14th，2018</span></div><p data-reactid="56">This blog describes details of Dubbo generic invoke including usage and examples.</p></a></div><div class="slider-item" data-reactid="57"><a href="/en-us/blog/dubbo-invoke.html" target="_self" class="blog-item" data-reactid="58"><div class="title" data-reactid="59"><img src="/img/docs_normal.png" data-reactid="60"/><span data-reactid="61">Several ways about synchronous/asynchronous invoke of Dubbo</span></div><div class="brief-info" data-reactid="62"><span class="author" data-reactid="63">@Hou Yongxu</span><span class="date" data-reactid="64">August 14th，2018</span></div><p data-reactid="65">This blog describes several ways about synchronous/asynchronous invoke of Dubbo</p></a></div><div class="slider-item" data-reactid="66"><a href="/en-us/blog/dubbo2-js.html" target="_self" class="blog-item" data-reactid="67"><div class="title" data-reactid="68"><img src="/img/docs_normal.png" data-reactid="69"/><span data-reactid="70">Implementation of cross-language calls by dubbo2.js</span></div><div class="brief-info" data-reactid="71"><span class="author" data-reactid="72">@Stella0824</span><span class="date" data-reactid="73">August 14th, 2018</span></div><p data-reactid="74">This blog describes how to use dubbo2.js for cross-language calls</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="75"><div class="slider-item" data-reactid="76"><a href="/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html" target="_self" class="blog-item" data-reactid="77"><div class="title" data-reactid="78"><img src="/img/docs_normal.png" data-reactid="79"/><span data-reactid="80">The basic usage of Dubbo Provider configuration</span></div><div class="brief-info" data-reactid="81"><span class="author" data-reactid="82">@Ziyang-Wu</span><span class="date" data-reactid="83">August 14th, 2018</span></div><p data-reactid="84">This blog describes how to configure Dubbo Provider in detail from XML, properties, annotation and API configurations. </p></a></div><div class="slider-item" data-reactid="85"><a href="/en-us/blog/prepare-an-apache-release.html" target="_self" class="blog-item" data-reactid="86"><div class="title" data-reactid="87"><img src="/img/docs_normal.png" data-reactid="88"/><span data-reactid="89">How to prepare an Apache release</span></div><div class="brief-info" data-reactid="90"><span class="author" data-reactid="91">@smilechenjia</span><span class="date" data-reactid="92">August 14th, 2018</span></div><p data-reactid="93">This blog describes the full flow of Apache release in detail from how to install local environment and start vote.</p></a></div><div class="slider-item" data-reactid="94"><a href="/en-us/blog/spring-boot-dubbo-start-stop-analysis.html" target="_self" class="blog-item" data-reactid="95"><div class="title" data-reactid="96"><img src="/img/docs_normal.png" data-reactid="97"/><span data-reactid="98">Source code analysis of spring-boot+Dubbo App start and stop</span></div><div class="brief-info" data-reactid="99"><span class="author" data-reactid="100">@noahziheng</span><span class="date" data-reactid="101">August 14th, 2018</span></div><p data-reactid="102">Dubbo Spring Boot project is dedicated to simplifying the development of the Dubbo RPC framework in the Spring Boot application.</p></a></div><div class="slider-item" data-reactid="103"><a href="/en-us/blog/introduction-to-dubbo-spi-2.html" target="_self" class="blog-item" data-reactid="104"><div class="title" data-reactid="105"><img src="/img/docs_normal.png" data-reactid="106"/><span data-reactid="107">Dubbo extensible mechanism source code analysis</span></div><div class="brief-info" data-reactid="108"><span class="author" data-reactid="109">@cuteSoul</span><span class="date" data-reactid="110">August 14th, 2018</span></div><p data-reactid="111">This blog will go deep into the source code of Dubbo extension mechanism.</p></a></div><div class="slider-item" data-reactid="112"><a href="/en-us/blog/introduction-to-dubbo-qos.html" target="_self" class="blog-item" data-reactid="113"><div class="title" data-reactid="114"><img src="/img/docs_normal.png" data-reactid="115"/><span data-reactid="116">Manipulating Services Dynamically via QoS</span></div><div class="brief-info" data-reactid="117"><span class="author" data-reactid="118">@Wendell Hu (@wendzhue)</span><span class="date" data-reactid="119">August 14th, 2018</span></div><p data-reactid="120">This blog introduces how to use QoS of Dubbo to configure services dynamically, and QoS&#x27;s parameters and ways to configure</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="121"><div class="slider-item" data-reactid="122"><a href="/en-us/blog/dubbo-loadbalance.html" target="_self" class="blog-item" data-reactid="123"><div class="title" data-reactid="124"><img src="/img/docs_normal.png" data-reactid="125"/><span data-reactid="126">Dubbo Loadbalance</span></div><div class="brief-info" data-reactid="127"><span class="author" data-reactid="128">@CyanCity, @liaoandi</span><span class="date" data-reactid="129">August 10th, 2018</span></div><p data-reactid="130">This blog introduces serval loadbalancing concepts and Dubbo loadbalancing strategy implementation.</p></a></div><div class="slider-item" data-reactid="131"><a href="/en-us/blog/sentinel-introduction-for-dubbo.html" target="_self" class="blog-item" data-reactid="132"><div class="title" data-reactid="133"><img src="/img/docs_normal.png" data-reactid="134"/><span data-reactid="135">Sentinel: The flow sentinel of Dubbo services</span></div><div class="brief-info" data-reactid="136"><span class="author" data-reactid="137">@Eric Zhao</span><span class="date" data-reactid="138">July 27th, 2018</span></div><p data-reactid="139">This blog introduces to the Sentinel and its best practice with Dubbo services. Sentinel is a powerful library that takes &quot;flow&quot; as the breakthrough point, and covers multiple fields including flow control, circuit breaking and load protection to guarantee service stability.</p></a></div><div class="slider-item" data-reactid="140"><a href="/en-us/blog/pinpoint.html" target="_self" class="blog-item" data-reactid="141"><div class="title" data-reactid="142"><img src="/img/docs_normal.png" data-reactid="143"/><span data-reactid="144">Tracking with Pinpoint</span></div><div class="brief-info" data-reactid="145"><span class="author" data-reactid="146">@majinkai</span><span class="date" data-reactid="147">July 12th, 2018</span></div><p data-reactid="148">Call chain tracking and performance monitoring for Dubbo distributed applications using Pinpoint</p></a></div><div class="slider-item" data-reactid="149"><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" target="_self" class="blog-item" data-reactid="150"><div class="title" data-reactid="151"><img src="/img/docs_normal.png" data-reactid="152"/><span data-reactid="153">The first Dubbo meetup has been held in Beijing</span></div><div class="brief-info" data-reactid="154"><span class="author" data-reactid="155">Huxing Zhang</span><span class="date" data-reactid="156">May 12nd，2018</span></div><p data-reactid="157">The first Dubbo meetup has successfully been held in Beijing, over 400+ people were present. What a great event! </p></a></div><div class="slider-item" data-reactid="158"><a href="/en-us/blog/apachecon-na-2018.html" target="_self" class="blog-item" data-reactid="159"><div class="title" data-reactid="160"><img src="/img/docs_normal.png" data-reactid="161"/><span data-reactid="162">The ApacheCon NA schedule has been announced</span></div><div class="brief-info" data-reactid="163"><span class="author" data-reactid="164">@Huxing Zhang</span><span class="date" data-reactid="165">May 2nd，2018</span></div><p data-reactid="166">Ian Luo and Jun Liu will talk about &quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot; at ApacheCon NA this year in Montréal!</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="167"><div class="slider-item" data-reactid="168"><a href="/en-us/blog/gsoc-2018.html" target="_self" class="blog-item" data-reactid="169"><div class="title" data-reactid="170"><img src="/img/docs_normal.png" data-reactid="171"/><span data-reactid="172">The GSoC (Google Summer of Code) 2018 projects has been announced</span></div><div class="brief-info" data-reactid="173"><span class="author" data-reactid="174">@Huxing Zhang</span><span class="date" data-reactid="175">April 25th，2018</span></div><p data-reactid="176">Raghu Reddy&#x27;s project &quot;Extending Serialization protocols support for Apache Dubbo&quot; has been accepted! Congratulations!</p></a></div><div class="slider-item" data-reactid="177"><a href="/en-us/blog/qcon-beijing-2018.html" target="_self" class="blog-item" data-reactid="178"><div class="title" data-reactid="179"><img src="/img/docs_normal.png" data-reactid="180"/><span data-reactid="181">Dubbo roadmap is announced in QCon Beijing 2018</span></div><div class="brief-info" data-reactid="182"><span class="author" data-reactid="183">@Huxing Zhang</span><span class="date" data-reactid="184">April 22nd，2018</span></div><p data-reactid="185">Ian Luo has delivered a great talk at QCon Beijing 2018, where the roadmap of Dubbo has also be announced</p></a></div><div class="slider-item" data-reactid="186"><a href="/en-us/blog/introduction-to-dubbo-spi.html" target="_self" class="blog-item" data-reactid="187"><div class="title" data-reactid="188"><img src="/img/docs_normal.png" data-reactid="189"/><span data-reactid="190">Introduction to Dubbo spi </span></div><div class="brief-info" data-reactid="191"><span class="author" data-reactid="192">@wangxuekui</span><span class="date" data-reactid="193">August 9th, 2018</span></div><p data-reactid="194">We have introduction to Dubbo spi.</p></a></div><div class="slider-item" data-reactid="195"><a href="/en-us/blog/dubbo-annotation.html" target="_self" class="blog-item" data-reactid="196"><div class="title" data-reactid="197"><img src="/img/docs_normal.png" data-reactid="198"/><span data-reactid="199">Use annotation in Dubbo</span></div><div class="brief-info" data-reactid="200"><span class="author" data-reactid="201">@Ge Shao</span><span class="date" data-reactid="202">August 7nd，2018</span></div><p data-reactid="203">This blog introduces how to use annotations</p></a></div><div class="slider-item" data-reactid="204"><a href="/en-us/blog/dubbo-zk.html" target="_self" class="blog-item" data-reactid="205"><div class="title" data-reactid="206"><img src="/img/docs_normal.png" data-reactid="207"/><span data-reactid="208">Using Zookeeper in Dubbo</span></div><div class="brief-info" data-reactid="209"><span class="author" data-reactid="210">@Mani</span><span class="date" data-reactid="211">August 7th，2018</span></div><p data-reactid="212">This blog introduces how to use Zookeeper in Dubbo</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="213"><div class="slider-item" data-reactid="214"><a href="/en-us/blog/dubbo-101.html" target="_self" class="blog-item" data-reactid="215"><div class="title" data-reactid="216"><img src="/img/docs_normal.png" data-reactid="217"/><span data-reactid="218">Your First Dubbo Demo</span></div><div class="brief-info" data-reactid="219"><span class="author" data-reactid="220">@Yang Xinru</span><span class="date" data-reactid="221">August 7th，2018</span></div><p data-reactid="222">Your First Dubbo Demo</p></a></div></div></div><div class="slider-control" data-reactid="223"><img class="slider-control-prev slider-control-prev-hidden" src="/img/prev.png" data-reactid="224"/><img class="slider-control-next" src="/img/next.png" data-reactid="225"/></div></div></div><div class="col col-6 right-part" data-reactid="226"><h4 data-reactid="227">All posts</h4><ul data-reactid="228"><li data-reactid="229"><a href="/en-us/blog/prepare-an-apache-release.html" data-reactid="230"><span data-reactid="231"><!-- react-text: 232 -->Sep 2nd, 2018<!-- /react-text --><!-- react-text: 233 -->  <!-- /react-text --></span><span data-reactid="234">Prepare an Apache Release</span></a></li><li data-reactid="235"><a href="/en-us/blog/dubbo-new-async.html" data-reactid="236"><span data-reactid="237"><!-- react-text: 238 -->Aug 13th, 2018<!-- /react-text --><!-- react-text: 239 -->  <!-- /react-text --></span><span data-reactid="240">How to implement a fully asynchronous calls chain based on Dubbo</span></a></li><li data-reactid="241"><a href="/en-us/blog/dubbo-generic-invoke.html" data-reactid="242"><span data-reactid="243"><!-- react-text: 244 -->August 14th，2018<!-- /react-text --><!-- react-text: 245 -->  <!-- /react-text --></span><span data-reactid="246">Generic invoke of Dubbo</span></a></li><li data-reactid="247"><a href="/en-us/blog/dubbo-invoke.html" data-reactid="248"><span data-reactid="249"><!-- react-text: 250 -->August 14th，2018<!-- /react-text --><!-- react-text: 251 -->  <!-- /react-text --></span><span data-reactid="252">Several ways about synchronous/asynchronous invoke of Dubbo</span></a></li><li data-reactid="253"><a href="/en-us/blog/dubbo2-js.html" data-reactid="254"><span data-reactid="255"><!-- react-text: 256 -->August 14th, 2018<!-- /react-text --><!-- react-text: 257 -->  <!-- /react-text --></span><span data-reactid="258">Implementation of cross-language calls by dubbo2.js</span></a></li><li data-reactid="259"><a href="/en-us/blog/dubbo-basic-usage-dubbo-provider-configuration.html" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->August 14th, 2018<!-- /react-text --><!-- react-text: 263 -->  <!-- /react-text --></span><span data-reactid="264">The basic usage of Dubbo Provider configuration</span></a></li><li data-reactid="265"><a href="/en-us/blog/prepare-an-apache-release.html" data-reactid="266"><span data-reactid="267"><!-- react-text: 268 -->August 14th, 2018<!-- /react-text --><!-- react-text: 269 -->  <!-- /react-text --></span><span data-reactid="270">How to prepare an Apache release</span></a></li><li data-reactid="271"><a href="/en-us/blog/spring-boot-dubbo-start-stop-analysis.html" data-reactid="272"><span data-reactid="273"><!-- react-text: 274 -->August 14th, 2018<!-- /react-text --><!-- react-text: 275 -->  <!-- /react-text --></span><span data-reactid="276">Source code analysis of spring-boot+Dubbo App start and stop</span></a></li><li data-reactid="277"><a href="/en-us/blog/introduction-to-dubbo-spi-2.html" data-reactid="278"><span data-reactid="279"><!-- react-text: 280 -->August 14th, 2018<!-- /react-text --><!-- react-text: 281 -->  <!-- /react-text --></span><span data-reactid="282">Dubbo extensible mechanism source code analysis</span></a></li><li data-reactid="283"><a href="/en-us/blog/introduction-to-dubbo-qos.html" data-reactid="284"><span data-reactid="285"><!-- react-text: 286 -->August 14th, 2018<!-- /react-text --><!-- react-text: 287 -->  <!-- /react-text --></span><span data-reactid="288">Manipulating Services Dynamically via QoS</span></a></li><li data-reactid="289"><a href="/en-us/blog/dubbo-loadbalance.html" data-reactid="290"><span data-reactid="291"><!-- react-text: 292 -->August 10th, 2018<!-- /react-text --><!-- react-text: 293 -->  <!-- /react-text --></span><span data-reactid="294">Dubbo Loadbalance</span></a></li><li data-reactid="295"><a href="/en-us/blog/sentinel-introduction-for-dubbo.html" data-reactid="296"><span data-reactid="297"><!-- react-text: 298 -->July 27th, 2018<!-- /react-text --><!-- react-text: 299 -->  <!-- /react-text --></span><span data-reactid="300">Sentinel: The flow sentinel of Dubbo services</span></a></li><li data-reactid="301"><a href="/en-us/blog/pinpoint.html" data-reactid="302"><span data-reactid="303"><!-- react-text: 304 -->July 12th, 2018<!-- /react-text --><!-- react-text: 305 -->  <!-- /react-text --></span><span data-reactid="306">Tracking with Pinpoint</span></a></li><li data-reactid="307"><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="308"><span data-reactid="309"><!-- react-text: 310 -->May 12nd，2018<!-- /react-text --><!-- react-text: 311 -->  <!-- /react-text --></span><span data-reactid="312">The first Dubbo meetup has been held in Beijing</span></a></li><li data-reactid="313"><a href="/en-us/blog/apachecon-na-2018.html" data-reactid="314"><span data-reactid="315"><!-- react-text: 316 -->May 2nd，2018<!-- /react-text --><!-- react-text: 317 -->  <!-- /react-text --></span><span data-reactid="318">The ApacheCon NA schedule has been announced</span></a></li><li data-reactid="319"><a href="/en-us/blog/gsoc-2018.html" data-reactid="320"><span data-reactid="321"><!-- react-text: 322 -->April 25th，2018<!-- /react-text --><!-- react-text: 323 -->  <!-- /react-text --></span><span data-reactid="324">The GSoC (Google Summer of Code) 2018 projects has been announced</span></a></li><li data-reactid="325"><a href="/en-us/blog/qcon-beijing-2018.html" data-reactid="326"><span data-reactid="327"><!-- react-text: 328 -->April 22nd，2018<!-- /react-text --><!-- react-text: 329 -->  <!-- /react-text --></span><span data-reactid="330">Dubbo roadmap is announced in QCon Beijing 2018</span></a></li><li data-reactid="331"><a href="/en-us/blog/introduction-to-dubbo-spi.html" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->August 9th, 2018<!-- /react-text --><!-- react-text: 335 -->  <!-- /react-text --></span><span data-reactid="336">Introduction to Dubbo spi </span></a></li><li data-reactid="337"><a href="/en-us/blog/dubbo-annotation.html" data-reactid="338"><span data-reactid="339"><!-- react-text: 340 -->August 7nd，2018<!-- /react-text --><!-- react-text: 341 -->  <!-- /react-text --></span><span data-reactid="342">Use annotation in Dubbo</span></a></li><li data-reactid="343"><a href="/en-us/blog/dubbo-zk.html" data-reactid="344"><span data-reactid="345"><!-- react-text: 346 -->August 7th，2018<!-- /react-text --><!-- react-text: 347 -->  <!-- /react-text --></span><span data-reactid="348">Using Zookeeper in Dubbo</span></a></li><li data-reactid="349"><a href="/en-us/blog/dubbo-101.html" data-reactid="350"><span data-reactid="351"><!-- react-text: 352 -->August 7th，2018<!-- /react-text --><!-- react-text: 353 -->  <!-- /react-text --></span><span data-reactid="354">Your First Dubbo Demo</span></a></li></ul></div></section><footer class="footer-container" data-reactid="355"><div class="footer-body" data-reactid="356"><img src="/img/dubbo_gray.png" data-reactid="357"/><img class="apache" src="/img/apache_logo.png" data-reactid="358"/><div class="cols-container" data-reactid="359"><div class="col col-12" data-reactid="360"><h3 data-reactid="361">Disclaimer</h3><p data-reactid="362">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="363"><dl data-reactid="364"><dt data-reactid="365">ASF</dt><dd data-reactid="366"><a href="http://www.apache.org" target="_self" data-reactid="367">Foundation</a></dd><dd data-reactid="368"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="369">License</a></dd><dd data-reactid="370"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="371">Events</a></dd><dd data-reactid="372"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="373">Sponsorship</a></dd><dd data-reactid="374"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="375">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="376"><dl data-reactid="377"><dt data-reactid="378">Documentation</dt><dd data-reactid="379"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="380">Quick start</a></dd><dd data-reactid="381"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="382">Developer guide</a></dd><dd data-reactid="383"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="384">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="385"><dl data-reactid="386"><dt data-reactid="387">Resources</dt><dd data-reactid="388"><a href="/en-us/blog/index.html" target="_self" data-reactid="389">Blog</a></dd><dd data-reactid="390"><a href="/en-us/community/index.html" target="_self" data-reactid="391">Community</a></dd></dl></div></div><div class="copyright" data-reactid="392"><span data-reactid="393">Copyright © 2018 The Apache Software Foundation. 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diff --git a/en-us/blog/introduction-to-dubbo-qos.html b/en-us/blog/introduction-to-dubbo-qos.html
index f92a99beec12..9a8f47f5e975 100644
--- a/en-us/blog/introduction-to-dubbo-qos.html
+++ b/en-us/blog/introduction-to-dubbo-qos.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1987324256"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Manipulating Services Dynamically via QoS</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="880603285"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Manipulating Services Dynamically via QoS</h1>
 <p>QoS (short form of <strong>Quality of Service</strong>), is a common terminology talking about network devices. For example, by adjusting and manipulating the weights of ports of a router dynamically via QoS, engineers could give priority to services running on these ports and make sure these services' quality and reliability.</p>
 <p>In Dubbo, QoS is used to query and manipulate services dynamically, like getting a list of active provider and consumer services, and launching or withdrawing services (i.e registering to or unregistering services from registration center).</p>
 <h2>Mechanism of QoS</h2>
@@ -225,7 +225,7 @@ <h4><code>spring-boot</code> auto configuration</h4>
 dubbo.application.qosPort=33333
 dubbo.application.qosAcceptForeignIp=false
 </code></pre>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/introduction-to-dubbo-spi-2.html b/en-us/blog/introduction-to-dubbo-spi-2.html
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+++ b/en-us/blog/introduction-to-dubbo-spi-2.html
@@ -12,7 +12,7 @@
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+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1510672468"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo extensible mechanism source code analysis</h1>
 <hr>
 <p>In the <a href="./introduction-to-dubbo-spi.md">actual implementation of the Dubbo extensibility mechanism</a>, we learned some concepts of the Dubbo extension mechanism, explored the implementation of LoadBalance in Dubbo, and implemented a LoadBalance on our own. Do you think Dubbo's extension mechanism is great? Next, we will go deep into the source code of Dubbo and see what it is.</p>
 <h2>ExtensionLoader</h2>
@@ -368,7 +368,7 @@ <h2>Extension point adaptive</h2>
     <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">destroy</span><span class="hljs-params">()</span></span>;
 </code></pre>
 <p>As you can see, there are four methods in the Protocol interface, but only the methods of export and refer use the @adaptive annotation. Dubbo automatically generates adaptive instances, and only the methods modified by @Adaptive has a specific implementation. Therefore, in the Protocol$Adpative class, only the export and refer methods have specific implementations, and the rest of the methods throw exceptions.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/introduction-to-dubbo-spi.html b/en-us/blog/introduction-to-dubbo-spi.html
index 94ab44cbb8f7..e54f771902c4 100644
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+++ b/en-us/blog/introduction-to-dubbo-spi.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1332601971"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo Extension Mechanism in Action</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="124517992"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo Extension Mechanism in Action</h1>
 <h2>1. Extension Mechanism of Dubbo</h2>
 <p>Dubbo is claimed as a high-performance RPC framework on its official website. Today, I want to talk about another great specialty of Dubbo --- its scalability.  As quote: Rome wasn’t built in a day. Any successful system always starts as a prototype. It is impossible to design a perfect system at the beginning. Instead, we should focus on true demand and keep improving the system. On the coding side, it requires us to pay attention on abstraction layers and high-level isolation. In that case, the system could keep a healthy structure and easy to maintain while new features or third-party extensions are added. Under some circumstances, a designer should pursue more of scalability than the system’s current performance.
 When talking about software design, people always mention scalability. A framework with good scalability requires the following:
@@ -185,7 +185,7 @@ <h2>Summary</h2>
 <li>It is easy to switch the implementation of the extension point because it requires only modifications on the specific implementation in the configuration file without changing the code.</li>
 </ul>
 <p>In the next article, we will go deep and check Dubbo's source code to learn more about Dubbo's extensibility mechanism.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/pinpoint.html b/en-us/blog/pinpoint.html
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@@ -12,7 +12,7 @@
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1697821228"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Tracking with Pinpoint</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="799172553"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Tracking with Pinpoint</h1>
 <p>After using Dubbo to serve or integrate applications, assuming that a service backstage log shows an exception and that the service is invoked by multiple applications, it is often difficult to determine which application is called, and what is the cause of the problem, so we need a set of distributed tracking systems to quickly locate the problem. Pinpoint can help us quickly locate problems (of course, there are more than one solution).</p>
 <h2>What is Pinpoint</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a> is an APM (Application Performance Management) tool for large-scale distributed systems written in Java. Inspired by Dapper, Pinpoint provides a solution to help analyze the overall structure of the system and how components within them are interconnected by tracing transactions across distributed applications.</p>
@@ -383,7 +383,7 @@ <h3>Mixed view</h3>
 <p><img src="../../img/blog/en_pinpoint-mixedview.png" alt="/admin-guide/images/pinpoint-mixedview.png"></p>
 <h3>Other</h3>
 <p>The example simply simulates the provision and call of Dubbo, and does not carry out the application of other middleware such as database. For detailed use, please refer to the Pinpoint document.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1527996818"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Understanding the Apache Release Cycle</h2>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="696390790"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Understanding the Apache Release Cycle</h2>
 <p>In general, Source Release is the key and the required content of Apache. But Binary Release is optional, Dubbo can choose whether to release binary packages to the Apache repository or to the Maven central repository.</p>
 <p>Please refer to the following links for more information on ASF's release guide:</p>
 <ul>
@@ -299,6 +299,9 @@ <h2>Begin voting</h2>
 <ol>
 <li>Dubbo community votes and sends the voting email to <a href="mailto:dev@dubbo.apache.org">dev@dubbo.apache.org</a>. After reviewing by community developers and winning 3 binding tickets that agree to release, you can go to the next stage of voting.</li>
 <li>Apache community votes and sends the voting email to <a href="mailto:general@apache.org">general@apache.org</a>. After reviewing by Apache PMC Review and winning 3 binding tickets that agree to release,you will be allowed to release officially.</li>
+<li>Publish <a href="https://github.com/apache/incubator-dubbo/releases">release notes</a> on Github.</li>
+<li>Update the recommend dependency on <a href="https://github.com/apache/incubator-dubbo#maven-dependency">Github</a> to the latest version, also update the version in other place if necessary.</li>
+<li>Announce on the <a href="http://dubbo.apache.org/">official site</a> that the version was successfully released.</li>
 </ol>
 <p>Mail template：</p>
 <pre><code class="language-tex">Hello Dubbo Community,
@@ -339,7 +342,7 @@ <h2>Official Release</h2>
 <h2>Complete Maven Convenient Binary release（Optional）</h2>
 <p><strong><a href="http://apache.repository.org">apache.repository.org</a> The permissions of the nexus repository have been applied, see <a href="https://issues.apache.org/jira/browse/INFRA-16451">jira</a>。</strong></p>
 <p>The artifacts that were previously published to the maven repository are in the staging state. Log in to <a href="http://apache.repository.org">apache.repository.org</a> with the Apache id and release it.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/prepare-an-apache-release.json b/en-us/blog/prepare-an-apache-release.json
index efda547e50e3..ffdde29fe666 100644
--- a/en-us/blog/prepare-an-apache-release.json
+++ b/en-us/blog/prepare-an-apache-release.json
@@ -1,6 +1,6 @@
 {
   "filename": "prepare-an-apache-release.md",
-  "__html": "<h2>Understanding the Apache Release Cycle</h2>\n<p>In general, Source Release is the key and the required content of Apache. But Binary Release is optional, Dubbo can choose whether to release binary packages to the Apache repository or to the Maven central repository.</p>\n<p>Please refer to the following links for more information on ASF's release guide:</p>\n<ul>\n<li><a href=\"http://www.apache.org/dev/release-publishing\">Apache Release Guide</a></li>\n<li><a href=\"http://www.apache.org/dev/release.html\">Apache Release Policy</a></li>\n<li><a href=\"http://www.apache.org/dev/publishing-maven-artifacts.html\">Maven Release Info</a></li>\n</ul>\n<h2>Preparation of Local Building Environment</h2>\n<p>Mainly including the related preparation of signature utilities and Maven repository certification</p>\n<ol>\n<li>\n<p>Install GPG,refer to <a href=\"https://www.gnupg.org/download/index.html\">https://www.gnupg.org/download/index.html</a></p>\n<ul>\n<li>For example, in Mac OS</li>\n</ul>\n<pre><code class=\"language-sh\">$ brew install gpg\n$ gpg --version <span class=\"hljs-comment\">#check version,should be 2.x</span>\n</code></pre>\n</li>\n<li>\n<p>Generate the key with GPG</p>\n<ul>\n<li>Generate the key according to the prompt</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> gpg2 --full-gen-key</span>\ngpg (GnuPG) 2.0.12; Copyright (C) 2009 Free Software Foundation, Inc.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\nPlease select what kind of key you want:\n  (1) RSA and RSA (default)\n  (2) DSA and Elgamal\n  (3) DSA (sign only)\n  (4) RSA (sign only)\nYour selection? 1\nRSA keys may be between 1024 and 4096 bits long.\nWhat keysize do you want? (2048) 4096\nRequested keysize is 4096 bits\nPlease specify how long the key should be valid.\n        0 = key does not expire\n     &lt;n&gt;  = key expires in n days\n     &lt;n&gt;w = key expires in n weeks\n     &lt;n&gt;m = key expires in n months\n     &lt;n&gt;y = key expires in n years\nKey is valid for? (0) \nKey does not expire at all\nIs this correct? (y/N) y\n\nGnuPG needs to construct a user ID to identify your key.\n\nReal name: Robert Burrell Donkin\nEmail address: rdonkin@apache.org\nComment: CODE SIGNING KEY\nYou selected this USER-ID:\n   \"Robert Burrell Donkin (CODE SIGNING KEY) &lt;rdonkin@apache.org&gt;\"\n\nChange (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O\nYou need a Passphrase to protect your secret key. # enter the password, which will be used frequently when packaging.\n</code></pre>\n<ul>\n<li>View key id</li>\n</ul>\n<pre><code class=\"language-sh\">$ gpg --list-keys\npub   rsa4096/28681CB1 2018-04-26 <span class=\"hljs-comment\"># 28681CB1 is the key id</span>\nuid       [ultimate] liujun (apache-dubbo) &lt;liujun@apache.org&gt;\nsub   rsa4096/D3D6984B 2018-04-26\n\n<span class=\"hljs-comment\"># send public key to keyserver via key id </span>\n$ gpg --keyserver pgpkeys.mit.edu --send-key 28681CB1\n<span class=\"hljs-comment\"># Here pgpkeys.mit.edu is a random selection of keyserver. Any key server from the list https://sks-keyservers.net/status/ is acceptable because they are automatically synchronized.</span>\n</code></pre>\n<ul>\n<li>If there are multiple public keys，set the default key</li>\n</ul>\n<p>~/.gnupg/gpg.conf</p>\n<pre><code class=\"language-proper\"># If you have more than 1 secret key in your keyring, you may want to\n# uncomment the following option and set your preferred keyid.\n\ndefault-key 28681CB1\n</code></pre>\n</li>\n<li>\n<p>Set up Apache central repository.</p>\n<ul>\n<li>The parent pom of Dubbo project is apache pom</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">parent</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">groupId</span>&gt;</span>org.apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">groupId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">artifactId</span>&gt;</span>apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">artifactId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">version</span>&gt;</span>19<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">version</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">parent</span>&gt;</span>\n</code></pre>\n<ul>\n<li>\n<p>Add the following contents to .m2/settings.xml</p>\n<p>Enter the passwords after\nencrypting by <a href=\"http://maven.apache.org/guides/mini/guide-encryption.html\">maven-encryption-plugin</a></p>\n</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">settings</span>&gt;</span>\n...\n <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">servers</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To publish a snapshot of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.snapshots.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To stage a release of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.releases.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n  ...\n     <span class=\"hljs-comment\">&lt;!-- gpg passphrase used when generate key --&gt;</span>\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>gpg.passphrase<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">passphrase</span>&gt;</span><span class=\"hljs-comment\">&lt;!-- yourKeyPassword --&gt;</span><span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">passphrase</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">servers</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">settings</span>&gt;</span>\n</code></pre>\n</li>\n</ol>\n<h2>Pack &amp; Upload</h2>\n<ol>\n<li>\n<p>Pull the new branch from the master branch as the release branch. If you want to release the ${release_version} version now, pull the new branch ${release_version}-release from 2.6.x. Then the\nmodifications and taggings related to ${release_version} Release Candidates are applied to ${release_version}-release branch, and is merged into the master branch after the final release.</p>\n</li>\n<li>\n<p>First of all, verify that the maven component packing, source packing, signature, etc are working properly on the ${release_version}-release branch.</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn clean install -Papache-release</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn deploy</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> push the snapshot package to the maven central repository,<span class=\"hljs-keyword\">in</span> staging state</span>\n</code></pre>\n</li>\n<li>\n<p>Release with maven-release-plugin</p>\n<ul>\n<li>verify with dryRun</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Papache-release -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID -DdryRun=<span class=\"hljs-literal\">true</span></span>\n</code></pre>\n<ul>\n<li>After verification, run release:prepare</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:clean</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Papache-release -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> After running：1. Generate source.zip; 2. Tag and push to github repository; 3. The branch version is upgraded to <span class=\"hljs-variable\">${release_version}</span>-SNAPSHOT automatically and the modifications are pushed to the github repository</span>\n</code></pre>\n<ul>\n<li>Run release:perform, make an offical release</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn -Prelease release:perform -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> All artifacts are released to  configured remote maven central repository, <span class=\"hljs-keyword\">in</span> staging state </span>\n</code></pre>\n</li>\n</ol>\n<h2>Prepare Apache Release</h2>\n<ol>\n<li>\n<p>Prepare the svn local environment (Apache hosting the release content of project by svn)</p>\n</li>\n<li>\n<p>Checkout dubbo to local directory</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn checkout https://dist.apache.org/repos/dist/dev/incubator/dubbo</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> Assume that the <span class=\"hljs-built_in\">local</span> directory is</span>\n~/apache/incubator/dubbo\n</code></pre>\n</li>\n<li>\n<p>The current release version is ${release_version},new directory</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> <span class=\"hljs-built_in\">cd</span> ~/apache/incubator/dubbo <span class=\"hljs-comment\"># dubbo svn root directory</span></span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mkdir <span class=\"hljs-variable\">${release_version}</span></span>\n</code></pre>\n</li>\n<li>\n<p>Add public key to <a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\">KEYS</a> file.KEYS is mainly used to allow people who participate in the voting to be imported locally to verify the correctness of the sign.</p>\n</li>\n<li>\n<p>Copy the source.zip package from the Dubbo root directory to the svn local repository dubbo/${release_version}</p>\n</li>\n<li>\n<p>Generate sha512 sign</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> shasum -a 512 apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip &gt;&gt; apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512</span>\n</code></pre>\n</li>\n<li>\n<p>If the binary release is accompanied with the source release</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">#</span><span class=\"bash\"> In the module of the dubbo project distribution</span>\nrun：\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn install</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> In target directory,copy bin-release.zip and bin-release.zip.asc to svn <span class=\"hljs-built_in\">local</span> repository dubbo/<span class=\"hljs-variable\">${release_version}</span></span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> Refer to the six step,generate sha512 sign</span>\n</code></pre>\n</li>\n<li>\n<p>Commit to Apache svn</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn status</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> svn commit -m <span class=\"hljs-string\">'prepare for ${release_version} RC1'</span></span>\n</code></pre>\n</li>\n</ol>\n<h2>Verify Release Candidates</h2>\n<p>The verification link includes but is not limited to the following contents and forms:</p>\n<ol>\n<li>Check signatures and hashes are good</li>\n</ol>\n<ul>\n<li>sha512</li>\n</ul>\n<pre><code class=\"language-sh\">$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512\n$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-bin-release.zip.sha512\n</code></pre>\n<ul>\n<li>gpg\n<ul>\n<li>If it's your first time verify a release candidte, you should import public keys first.</li>\n</ul>\n<pre><code class=\"language-sh\">$ curl https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS &gt;&gt; KEYS <span class=\"hljs-comment\"># download public keys to local directory</span>\n$ gpg --import KEYS <span class=\"hljs-comment\"># import keys</span>\n$ gpg —edit-key liujun\n  &gt; trust <span class=\"hljs-comment\"># type trust command</span>\n</code></pre>\n<ul>\n<li>Now, you can verify signature with command</li>\n</ul>\n<pre><code>gpg --verify apache-dubbo-incubating-2.6.3-source-release.zip.asc apache-dubbo-incubating-2.6.3-source-release.zip\n</code></pre>\n</li>\n</ul>\n<ol start=\"2\">\n<li>Unzip apache-dubbo-incubating-${release_version}-source-release.zip to the default directory and check the following:</li>\n</ol>\n<ul>\n<li>\n<p>Directory with 'incubating' in name\n<code>apache-dubbo-incubating-${release_version}-source-release</code></p>\n</li>\n<li>\n<p>DISCLAIMER exists</p>\n</li>\n<li>\n<p>LICENSE and NOTICE exists and contents are good</p>\n</li>\n<li>\n<p>All files and no binary files exist</p>\n</li>\n<li>\n<p>All files has standard ASF License header</p>\n</li>\n<li>\n<p>Can compile from source</p>\n</li>\n<li>\n<p>All unit tests can pass</p>\n<pre><code class=\"language-sh\">mvn clean <span class=\"hljs-built_in\">test</span> <span class=\"hljs-comment\"># This will run all unit tests</span>\n<span class=\"hljs-comment\"># you can also open rat and style plugin to check if every file meets requirements.</span>\nmvn clean <span class=\"hljs-built_in\">test</span> -Drat.skip=<span class=\"hljs-literal\">false</span> -Dcheckstyle.skip=<span class=\"hljs-literal\">false</span>\n</code></pre>\n</li>\n<li>\n<p>Release candidates match with corresponding tags, you can find tag link and hash in vote email.</p>\n<ul>\n<li>check the version number in pom.xml are the same</li>\n<li>check there are no extra files or directories in the source package, for example, no empty directories or useless log files.<br>\n<code>diff -r a rc_dir tag_dir</code></li>\n<li>check the top n tag commits, dive into the related files and check if the source package has the same changes</li>\n</ul>\n</li>\n</ul>\n<ol start=\"3\">\n<li>Unzip apache-dubbo-incubating-${release_version}-bin-release.zip and check:</li>\n</ol>\n<ul>\n<li>Check signatures are good</li>\n<li>'incubating' in name</li>\n<li>LICENSE and NOTICE exists and contents are good</li>\n</ul>\n<h2>Begin voting</h2>\n<p>The voting is divided into two phases:</p>\n<ol>\n<li>Dubbo community votes and sends the voting email to <a href=\"mailto:dev@dubbo.apache.org\">dev@dubbo.apache.org</a>. After reviewing by community developers and winning 3 binding tickets that agree to release, you can go to the next stage of voting.</li>\n<li>Apache community votes and sends the voting email to <a href=\"mailto:general@apache.org\">general@apache.org</a>. After reviewing by Apache PMC Review and winning 3 binding tickets that agree to release,you will be allowed to release officially.</li>\n</ol>\n<p>Mail template：</p>\n<pre><code class=\"language-tex\">Hello Dubbo Community,\n\nThis is a call for vote to release Apache Dubbo (Incubating) version 2.6.2.\n\nThe release candidates:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/2.6.2/\n\nGit tag for the release:\nhttps://github.com/apache/incubator-dubbo/tree/dubbo-2.6.2\n\nHash for the release tag:\nafab04c53edab38d52275d2a198ea1aff7a4f41e\n\nRelease Notes:\nhttps://github.com/apache/incubator-dubbo/releases/tag/untagged-4775c0a22c60fca55118\n\nThe artifacts have been signed with Key : 28681CB1, which can be found in the keys file:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\n\nThe vote will be open for at least 72 hours or until necessary number of votes are reached.\n\nPlease vote accordingly:\n\n[ ] +1 approve \n[ ] +0 no opinion \n[ ] -1 disapprove with the reason\n\nThanks,\nThe Apache Dubbo (Incubating) Team\n</code></pre>\n<h2>Official Release</h2>\n<ol>\n<li>Commit release package of  <a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo\">https://dist.apache.org/repos/dist/dev/incubator/dubbo</a> to <a href=\"https://dist.apache.org/repos/dist/release/incubator/dubbo/\">https://dist.apache.org/repos/dist/release/incubator/dubbo/</a>, complete official release。</li>\n<li>Send mail to <a href=\"mailto:dev@dubbo.apache.org\">dev@dubbo.apache.org</a> and <a href=\"mailto:general@apache.org\">general@apache.org</a>, notify the community that the release is completed.</li>\n</ol>\n<h2>Complete Maven Convenient Binary release（Optional）</h2>\n<p><strong><a href=\"http://apache.repository.org\">apache.repository.org</a> The permissions of the nexus repository have been applied, see <a href=\"https://issues.apache.org/jira/browse/INFRA-16451\">jira</a>。</strong></p>\n<p>The artifacts that were previously published to the maven repository are in the staging state. Log in to <a href=\"http://apache.repository.org\">apache.repository.org</a> with the Apache id and release it.</p>\n",
+  "__html": "<h2>Understanding the Apache Release Cycle</h2>\n<p>In general, Source Release is the key and the required content of Apache. But Binary Release is optional, Dubbo can choose whether to release binary packages to the Apache repository or to the Maven central repository.</p>\n<p>Please refer to the following links for more information on ASF's release guide:</p>\n<ul>\n<li><a href=\"http://www.apache.org/dev/release-publishing\">Apache Release Guide</a></li>\n<li><a href=\"http://www.apache.org/dev/release.html\">Apache Release Policy</a></li>\n<li><a href=\"http://www.apache.org/dev/publishing-maven-artifacts.html\">Maven Release Info</a></li>\n</ul>\n<h2>Preparation of Local Building Environment</h2>\n<p>Mainly including the related preparation of signature utilities and Maven repository certification</p>\n<ol>\n<li>\n<p>Install GPG,refer to <a href=\"https://www.gnupg.org/download/index.html\">https://www.gnupg.org/download/index.html</a></p>\n<ul>\n<li>For example, in Mac OS</li>\n</ul>\n<pre><code class=\"language-sh\">$ brew install gpg\n$ gpg --version <span class=\"hljs-comment\">#check version,should be 2.x</span>\n</code></pre>\n</li>\n<li>\n<p>Generate the key with GPG</p>\n<ul>\n<li>Generate the key according to the prompt</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> gpg2 --full-gen-key</span>\ngpg (GnuPG) 2.0.12; Copyright (C) 2009 Free Software Foundation, Inc.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\nPlease select what kind of key you want:\n  (1) RSA and RSA (default)\n  (2) DSA and Elgamal\n  (3) DSA (sign only)\n  (4) RSA (sign only)\nYour selection? 1\nRSA keys may be between 1024 and 4096 bits long.\nWhat keysize do you want? (2048) 4096\nRequested keysize is 4096 bits\nPlease specify how long the key should be valid.\n        0 = key does not expire\n     &lt;n&gt;  = key expires in n days\n     &lt;n&gt;w = key expires in n weeks\n     &lt;n&gt;m = key expires in n months\n     &lt;n&gt;y = key expires in n years\nKey is valid for? (0) \nKey does not expire at all\nIs this correct? (y/N) y\n\nGnuPG needs to construct a user ID to identify your key.\n\nReal name: Robert Burrell Donkin\nEmail address: rdonkin@apache.org\nComment: CODE SIGNING KEY\nYou selected this USER-ID:\n   \"Robert Burrell Donkin (CODE SIGNING KEY) &lt;rdonkin@apache.org&gt;\"\n\nChange (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O\nYou need a Passphrase to protect your secret key. # enter the password, which will be used frequently when packaging.\n</code></pre>\n<ul>\n<li>View key id</li>\n</ul>\n<pre><code class=\"language-sh\">$ gpg --list-keys\npub   rsa4096/28681CB1 2018-04-26 <span class=\"hljs-comment\"># 28681CB1 is the key id</span>\nuid       [ultimate] liujun (apache-dubbo) &lt;liujun@apache.org&gt;\nsub   rsa4096/D3D6984B 2018-04-26\n\n<span class=\"hljs-comment\"># send public key to keyserver via key id </span>\n$ gpg --keyserver pgpkeys.mit.edu --send-key 28681CB1\n<span class=\"hljs-comment\"># Here pgpkeys.mit.edu is a random selection of keyserver. Any key server from the list https://sks-keyservers.net/status/ is acceptable because they are automatically synchronized.</span>\n</code></pre>\n<ul>\n<li>If there are multiple public keys，set the default key</li>\n</ul>\n<p>~/.gnupg/gpg.conf</p>\n<pre><code class=\"language-proper\"># If you have more than 1 secret key in your keyring, you may want to\n# uncomment the following option and set your preferred keyid.\n\ndefault-key 28681CB1\n</code></pre>\n</li>\n<li>\n<p>Set up Apache central repository.</p>\n<ul>\n<li>The parent pom of Dubbo project is apache pom</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">parent</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">groupId</span>&gt;</span>org.apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">groupId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">artifactId</span>&gt;</span>apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">artifactId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">version</span>&gt;</span>19<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">version</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">parent</span>&gt;</span>\n</code></pre>\n<ul>\n<li>\n<p>Add the following contents to .m2/settings.xml</p>\n<p>Enter the passwords after\nencrypting by <a href=\"http://maven.apache.org/guides/mini/guide-encryption.html\">maven-encryption-plugin</a></p>\n</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">settings</span>&gt;</span>\n...\n <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">servers</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To publish a snapshot of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.snapshots.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To stage a release of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.releases.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n  ...\n     <span class=\"hljs-comment\">&lt;!-- gpg passphrase used when generate key --&gt;</span>\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>gpg.passphrase<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">passphrase</span>&gt;</span><span class=\"hljs-comment\">&lt;!-- yourKeyPassword --&gt;</span><span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">passphrase</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">servers</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">settings</span>&gt;</span>\n</code></pre>\n</li>\n</ol>\n<h2>Pack &amp; Upload</h2>\n<ol>\n<li>\n<p>Pull the new branch from the master branch as the release branch. If you want to release the ${release_version} version now, pull the new branch ${release_version}-release from 2.6.x. Then the\nmodifications and taggings related to ${release_version} Release Candidates are applied to ${release_version}-release branch, and is merged into the master branch after the final release.</p>\n</li>\n<li>\n<p>First of all, verify that the maven component packing, source packing, signature, etc are working properly on the ${release_version}-release branch.</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn clean install -Papache-release</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn deploy</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> push the snapshot package to the maven central repository,<span class=\"hljs-keyword\">in</span> staging state</span>\n</code></pre>\n</li>\n<li>\n<p>Release with maven-release-plugin</p>\n<ul>\n<li>verify with dryRun</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Papache-release -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID -DdryRun=<span class=\"hljs-literal\">true</span></span>\n</code></pre>\n<ul>\n<li>After verification, run release:prepare</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:clean</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Papache-release -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> After running：1. Generate source.zip; 2. Tag and push to github repository; 3. The branch version is upgraded to <span class=\"hljs-variable\">${release_version}</span>-SNAPSHOT automatically and the modifications are pushed to the github repository</span>\n</code></pre>\n<ul>\n<li>Run release:perform, make an offical release</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn -Prelease release:perform -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> All artifacts are released to  configured remote maven central repository, <span class=\"hljs-keyword\">in</span> staging state </span>\n</code></pre>\n</li>\n</ol>\n<h2>Prepare Apache Release</h2>\n<ol>\n<li>\n<p>Prepare the svn local environment (Apache hosting the release content of project by svn)</p>\n</li>\n<li>\n<p>Checkout dubbo to local directory</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn checkout https://dist.apache.org/repos/dist/dev/incubator/dubbo</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> Assume that the <span class=\"hljs-built_in\">local</span> directory is</span>\n~/apache/incubator/dubbo\n</code></pre>\n</li>\n<li>\n<p>The current release version is ${release_version},new directory</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> <span class=\"hljs-built_in\">cd</span> ~/apache/incubator/dubbo <span class=\"hljs-comment\"># dubbo svn root directory</span></span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mkdir <span class=\"hljs-variable\">${release_version}</span></span>\n</code></pre>\n</li>\n<li>\n<p>Add public key to <a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\">KEYS</a> file.KEYS is mainly used to allow people who participate in the voting to be imported locally to verify the correctness of the sign.</p>\n</li>\n<li>\n<p>Copy the source.zip package from the Dubbo root directory to the svn local repository dubbo/${release_version}</p>\n</li>\n<li>\n<p>Generate sha512 sign</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> shasum -a 512 apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip &gt;&gt; apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512</span>\n</code></pre>\n</li>\n<li>\n<p>If the binary release is accompanied with the source release</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">#</span><span class=\"bash\"> In the module of the dubbo project distribution</span>\nrun：\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn install</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> In target directory,copy bin-release.zip and bin-release.zip.asc to svn <span class=\"hljs-built_in\">local</span> repository dubbo/<span class=\"hljs-variable\">${release_version}</span></span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> Refer to the six step,generate sha512 sign</span>\n</code></pre>\n</li>\n<li>\n<p>Commit to Apache svn</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn status</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> svn commit -m <span class=\"hljs-string\">'prepare for ${release_version} RC1'</span></span>\n</code></pre>\n</li>\n</ol>\n<h2>Verify Release Candidates</h2>\n<p>The verification link includes but is not limited to the following contents and forms:</p>\n<ol>\n<li>Check signatures and hashes are good</li>\n</ol>\n<ul>\n<li>sha512</li>\n</ul>\n<pre><code class=\"language-sh\">$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512\n$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-bin-release.zip.sha512\n</code></pre>\n<ul>\n<li>gpg\n<ul>\n<li>If it's your first time verify a release candidte, you should import public keys first.</li>\n</ul>\n<pre><code class=\"language-sh\">$ curl https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS &gt;&gt; KEYS <span class=\"hljs-comment\"># download public keys to local directory</span>\n$ gpg --import KEYS <span class=\"hljs-comment\"># import keys</span>\n$ gpg —edit-key liujun\n  &gt; trust <span class=\"hljs-comment\"># type trust command</span>\n</code></pre>\n<ul>\n<li>Now, you can verify signature with command</li>\n</ul>\n<pre><code>gpg --verify apache-dubbo-incubating-2.6.3-source-release.zip.asc apache-dubbo-incubating-2.6.3-source-release.zip\n</code></pre>\n</li>\n</ul>\n<ol start=\"2\">\n<li>Unzip apache-dubbo-incubating-${release_version}-source-release.zip to the default directory and check the following:</li>\n</ol>\n<ul>\n<li>\n<p>Directory with 'incubating' in name\n<code>apache-dubbo-incubating-${release_version}-source-release</code></p>\n</li>\n<li>\n<p>DISCLAIMER exists</p>\n</li>\n<li>\n<p>LICENSE and NOTICE exists and contents are good</p>\n</li>\n<li>\n<p>All files and no binary files exist</p>\n</li>\n<li>\n<p>All files has standard ASF License header</p>\n</li>\n<li>\n<p>Can compile from source</p>\n</li>\n<li>\n<p>All unit tests can pass</p>\n<pre><code class=\"language-sh\">mvn clean <span class=\"hljs-built_in\">test</span> <span class=\"hljs-comment\"># This will run all unit tests</span>\n<span class=\"hljs-comment\"># you can also open rat and style plugin to check if every file meets requirements.</span>\nmvn clean <span class=\"hljs-built_in\">test</span> -Drat.skip=<span class=\"hljs-literal\">false</span> -Dcheckstyle.skip=<span class=\"hljs-literal\">false</span>\n</code></pre>\n</li>\n<li>\n<p>Release candidates match with corresponding tags, you can find tag link and hash in vote email.</p>\n<ul>\n<li>check the version number in pom.xml are the same</li>\n<li>check there are no extra files or directories in the source package, for example, no empty directories or useless log files.<br>\n<code>diff -r a rc_dir tag_dir</code></li>\n<li>check the top n tag commits, dive into the related files and check if the source package has the same changes</li>\n</ul>\n</li>\n</ul>\n<ol start=\"3\">\n<li>Unzip apache-dubbo-incubating-${release_version}-bin-release.zip and check:</li>\n</ol>\n<ul>\n<li>Check signatures are good</li>\n<li>'incubating' in name</li>\n<li>LICENSE and NOTICE exists and contents are good</li>\n</ul>\n<h2>Begin voting</h2>\n<p>The voting is divided into two phases:</p>\n<ol>\n<li>Dubbo community votes and sends the voting email to <a href=\"mailto:dev@dubbo.apache.org\">dev@dubbo.apache.org</a>. After reviewing by community developers and winning 3 binding tickets that agree to release, you can go to the next stage of voting.</li>\n<li>Apache community votes and sends the voting email to <a href=\"mailto:general@apache.org\">general@apache.org</a>. After reviewing by Apache PMC Review and winning 3 binding tickets that agree to release,you will be allowed to release officially.</li>\n<li>Publish <a href=\"https://github.com/apache/incubator-dubbo/releases\">release notes</a> on Github.</li>\n<li>Update the recommend dependency on <a href=\"https://github.com/apache/incubator-dubbo#maven-dependency\">Github</a> to the latest version, also update the version in other place if necessary.</li>\n<li>Announce on the <a href=\"http://dubbo.apache.org/\">official site</a> that the version was successfully released.</li>\n</ol>\n<p>Mail template：</p>\n<pre><code class=\"language-tex\">Hello Dubbo Community,\n\nThis is a call for vote to release Apache Dubbo (Incubating) version 2.6.2.\n\nThe release candidates:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/2.6.2/\n\nGit tag for the release:\nhttps://github.com/apache/incubator-dubbo/tree/dubbo-2.6.2\n\nHash for the release tag:\nafab04c53edab38d52275d2a198ea1aff7a4f41e\n\nRelease Notes:\nhttps://github.com/apache/incubator-dubbo/releases/tag/untagged-4775c0a22c60fca55118\n\nThe artifacts have been signed with Key : 28681CB1, which can be found in the keys file:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\n\nThe vote will be open for at least 72 hours or until necessary number of votes are reached.\n\nPlease vote accordingly:\n\n[ ] +1 approve \n[ ] +0 no opinion \n[ ] -1 disapprove with the reason\n\nThanks,\nThe Apache Dubbo (Incubating) Team\n</code></pre>\n<h2>Official Release</h2>\n<ol>\n<li>Commit release package of  <a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo\">https://dist.apache.org/repos/dist/dev/incubator/dubbo</a> to <a href=\"https://dist.apache.org/repos/dist/release/incubator/dubbo/\">https://dist.apache.org/repos/dist/release/incubator/dubbo/</a>, complete official release。</li>\n<li>Send mail to <a href=\"mailto:dev@dubbo.apache.org\">dev@dubbo.apache.org</a> and <a href=\"mailto:general@apache.org\">general@apache.org</a>, notify the community that the release is completed.</li>\n</ol>\n<h2>Complete Maven Convenient Binary release（Optional）</h2>\n<p><strong><a href=\"http://apache.repository.org\">apache.repository.org</a> The permissions of the nexus repository have been applied, see <a href=\"https://issues.apache.org/jira/browse/INFRA-16451\">jira</a>。</strong></p>\n<p>The artifacts that were previously published to the maven repository are in the staging state. Log in to <a href=\"http://apache.repository.org\">apache.repository.org</a> with the Apache id and release it.</p>\n",
   "title": "Understanding the Apache Release Cycle",
   "keywords": "Dubbo, Apache, Release"
 }
\ No newline at end of file
diff --git a/en-us/blog/qcon-beijing-2018.html b/en-us/blog/qcon-beijing-2018.html
index 3b9b0c71c1ff..938aca3f1649 100644
--- a/en-us/blog/qcon-beijing-2018.html
+++ b/en-us/blog/qcon-beijing-2018.html
@@ -12,9 +12,9 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="714458535"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Dubbo roadmap is announced in QCon Beijing 2018</h2>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-600186980"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h2>Dubbo roadmap is announced in QCon Beijing 2018</h2>
 <p>Ian Luo has delivered a great talk at QCon Beijing 2018, where the roadmap of Dubbo has also be announced. Please enjoy the <a href="https://github.com/dubbo/awesome-dubbo/raw/master/slides/qcon2018/dubbo-present-and-future.pdf">slides</a>!</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/sentinel-introduction-for-dubbo.html b/en-us/blog/sentinel-introduction-for-dubbo.html
index a2e8fd2f7859..5b87e07fd70e 100644
--- a/en-us/blog/sentinel-introduction-for-dubbo.html
+++ b/en-us/blog/sentinel-introduction-for-dubbo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-781589881"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Sentinel: The flow sentinel of Dubbo services</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-113968004"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Sentinel: The flow sentinel of Dubbo services</h1>
 <p>In large clusters there may be thousands of Dubbo service instances in production, with continuous traffic coming in. However, in distributed systems, some services may be unavailable due to various of failure such as traffic surge, high system load, and network latency. If no control actions are performed, this may cause cascading failure, affecting the availability of the service. So we need a powerful library - Sentinel, which can guarantee the stability of the service, to protect the Dubbo service.</p>
 <h2>Introduction to Sentinel</h2>
 <p><a href="https://github.com/alibaba/Sentinel">Sentinel</a> is a powerful library opensourced by Alibaba Middleware Team. Sentinel takes &quot;<strong>flow</strong>&quot; as the breakthrough point, and covers multiple fields including flow control, concurrency, circuit breaking and load protection to protect service stability.</p>
@@ -77,7 +77,7 @@ <h3>Sentinel Dashboard</h3>
 <p><img src="../../img/blog/sentinel-dashboard-metrics.png" alt="Real-time metrics monitoring"></p>
 <h2>Summary</h2>
 <p>This blog post only introduces the simplest scenario in Sentinel - Traffic Flow Control. Sentinel can handle more complex scenarios like circuit breaking, cold starting and uniform traffic flow. For more scenarios, you can dig into <a href="https://github.com/alibaba/Sentinel/wiki">Sentinel Wiki</a>.</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/spring-boot-dubbo-start-stop-analysis.html b/en-us/blog/spring-boot-dubbo-start-stop-analysis.html
index e72bcba4696a..b07dbef0ed83 100644
--- a/en-us/blog/spring-boot-dubbo-start-stop-analysis.html
+++ b/en-us/blog/spring-boot-dubbo-start-stop-analysis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="963097162"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Source code analysis of spring-boot+Dubbo App start and stop</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1048693823"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Source code analysis of spring-boot+Dubbo App start and stop</h1>
 <h2>Introduction</h2>
 <p><a href="https://github.com/apache/incubator-dubbo-spring-boot-project">Dubbo Spring Boot</a> project is dedicated to simplifying the development of the Dubbo RPC framework in the Spring Boot application. It also integrates the feature of Spring Boot:</p>
 <ul>
@@ -197,7 +197,7 @@ <h3>Notice</h3>
 </code></pre>
 <p>[1] <a href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-12.html#jls-12.8">https://docs.oracle.com/javase/specs/jls/se8/html/jls-12.html#jls-12.8</a></p>
 <p>[2] <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runtime.html#addShutdownHook">https://docs.oracle.com/javase/8/docs/api/java/lang/Runtime.html#addShutdownHook</a></p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/tracing-with-skywalking.html b/en-us/blog/tracing-with-skywalking.html
index 69d309d76c8f..e05583781763 100644
--- a/en-us/blog/tracing-with-skywalking.html
+++ b/en-us/blog/tracing-with-skywalking.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="2041810528"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Tracing Dubbo service with Apache Skywalking(incubator)</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1708232581"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Tracing Dubbo service with Apache Skywalking(incubator)</h1>
 <h2>Introduction to Apache Skywalking(Incubator)</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href="https://github.com/apache/incubator-skywalking">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking (incubating) supports multiple languages agent, for example <a href="https://github.com/apache/incubator-skywalking">Java</a>,<a href="https://github.com/OpenSkywalking/skywalking-netcore">.net core</a>,<a href="https://github.com/OpenSkywalking/skywalking-nodejs">Node.js</a> and <a href="https://github.com/OpenSkywalking/skywalking-go">Go</a>.</p>
 <p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from single application, TOP N services and servers, JVM, host and process info. The service view focuses on the operation of a single service portal and the upstream and downstream dependencies of this service and it helps the user to optimize and monitor a single service; the trace graph shows all the buried points of the invocation and the execution time of each burial point, and the alarm view is based on the configuration threshold for the application, server, service for real-time alarms</p>
@@ -27,10 +27,10 @@ <h4>API project</h4>
 }</p>
 <h4>Service provider project</h4>
 <p>package org.apache.skywalking.demo.provider;</p>
-<p>@Service(version = &quot;${demo.service.version}&quot;,
-application = &quot;${<a href="http://dubbo.application.id">dubbo.application.id</a>}&quot;,
-protocol = &quot;${<a href="http://dubbo.protocol.id">dubbo.protocol.id</a>}&quot;,
-registry = &quot;${<a href="http://dubbo.registry.id">dubbo.registry.id</a>}&quot;, timeout = 60000)
+<p>@Service(version = &quot;<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mrow><mi>d</mi><mi>e</mi><mi>m</mi><mi>o</mi><mi mathvariant="normal">.</mi><mi>s</mi><mi>e</mi><mi>r</mi><mi>v</mi><mi>i</mi><mi>c</mi><mi>e</mi><mi mathvariant="normal">.</mi><mi>v</mi><mi>e</mi><mi>r</mi><mi>s</mi><mi>i</mi><mi>o</mi><mi>n</mi></mrow><mi mathvariant="normal">&quot;</mi><mo separator="true">,</mo><mi>a</mi><mi>p</mi><mi>p</mi><mi>l</mi><mi>i</mi><mi>c</mi><mi>a</mi><mi>t</mi><mi>i</mi><mi>o</mi><mi>n</mi><mo>=</mo><mi mathvariant="normal">&quot;</mi></mrow><annotation encoding="application/x-tex">{demo.service.version}&quot;,
+	application = &quot;</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.69444em;"></span><span class="strut bottom" style="height:0.8888799999999999em;vertical-align:-0.19444em;"></span><span class="base textstyle uncramped"><span class="mord textstyle uncramped"><span class="mord mathit">d</span><span class="mord mathit">e</span><span class="mord mathit">m</span><span class="mord mathit">o</span><span class="mord mathrm">.</span><span class="mord mathit">s</span><span class="mord mathit">e</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit" style="margin-right:0.03588em;">v</span><span class="mord mathit">i</span><span class="mord mathit">c</span><span class="mord mathit">e</span><span class="mord mathrm">.</span><span class="mord mathit" style="margin-right:0.03588em;">v</span><span class="mord mathit">e</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit">s</span><span class="mord mathit">i</span><span class="mord mathit">o</span><span class="mord mathit">n</span></span><span class="mord mathrm">&quot;</span><span class="mpunct">,</span><span class="mord mathit">a</span><span class="mord mathit">p</span><span class="mord mathit">p</span><span class="mord mathit" style="margin-right:0.01968em;">l</span><span class="mord mathit">i</span><span class="mord mathit">c</span><span class="mord mathit">a</span><span class="mord mathit">t</span><span class="mord mathit">i</span><span class="mord mathit">o</span><span class="mord mathit">n</span><span class="mrel">=</span><span class="mord mathrm">&quot;</span></span></span></span>{<a href="http://dubbo.application.id">dubbo.application.id</a>}&quot;,
+protocol = &quot;<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mrow><mi>d</mi><mi>u</mi><mi>b</mi><mi>b</mi><mi>o</mi><mi mathvariant="normal">.</mi><mi>p</mi><mi>r</mi><mi>o</mi><mi>t</mi><mi>o</mi><mi>c</mi><mi>o</mi><mi>l</mi><mi mathvariant="normal">.</mi><mi>i</mi><mi>d</mi></mrow><mi mathvariant="normal">&quot;</mi><mo separator="true">,</mo><mi>r</mi><mi>e</mi><mi>g</mi><mi>i</mi><mi>s</mi><mi>t</mi><mi>r</mi><mi>y</mi><mo>=</mo><mi mathvariant="normal">&quot;</mi></mrow><annotation encoding="application/x-tex">{dubbo.protocol.id}&quot;,
+	registry = &quot;</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.69444em;"></span><span class="strut bottom" style="height:0.8888799999999999em;vertical-align:-0.19444em;"></span><span class="base textstyle uncramped"><span class="mord textstyle uncramped"><span class="mord mathit">d</span><span class="mord mathit">u</span><span class="mord mathit">b</span><span class="mord mathit">b</span><span class="mord mathit">o</span><span class="mord mathrm">.</span><span class="mord mathit">p</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit">o</span><span class="mord mathit">t</span><span class="mord mathit">o</span><span class="mord mathit">c</span><span class="mord mathit">o</span><span class="mord mathit" style="margin-right:0.01968em;">l</span><span class="mord mathrm">.</span><span class="mord mathit">i</span><span class="mord mathit">d</span></span><span class="mord mathrm">&quot;</span><span class="mpunct">,</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit">e</span><span class="mord mathit" style="margin-right:0.03588em;">g</span><span class="mord mathit">i</span><span class="mord mathit">s</span><span class="mord mathit">t</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit" style="margin-right:0.03588em;">y</span><span class="mrel">=</span><span class="mord mathrm">&quot;</span></span></span></span>{<a href="http://dubbo.registry.id">dubbo.registry.id</a>}&quot;, timeout = 60000)
 public class HelloServiceImpl implements HelloService {</p>
 <pre><code>public String sayHello(String name) {
 	LockSupport.parkNanos(TimeUnit.SECONDS.toNanos(1));
@@ -111,7 +111,7 @@ <h3>Trace</h3>
 <img src="../../img/blog/skywalking-span-Info.png" alt="/admin-guide/images/skywalking-span-Info.png"></p>
 <h3>Alarm view</h3>
 <p><img src="../../img/blog/skywalking-alarm.png" alt="/admin-guide/images/skywalking-alarm.png"></p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">Documentation</dt><dd data-reactid="45"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="46">Quick start</a></dd><dd data-reactid="47"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="48">Developer guide</a></dd><dd data-reactid="49"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">Resources</dt><dd data-reactid="54"><a href="/en-us/blog/index.html" target="_self" data-reactid="55">Blog</a></dd><dd data-reactid="56"><a href="/en-us/community/index.html" target="_self" data-reactid="57">Community</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/blog/tracing-with-skywalking.json b/en-us/blog/tracing-with-skywalking.json
index ab0e4fdecccd..dc88514ff2b1 100644
--- a/en-us/blog/tracing-with-skywalking.json
+++ b/en-us/blog/tracing-with-skywalking.json
@@ -1,6 +1,6 @@
 {
   "filename": "tracing-with-skywalking.md",
-  "__html": "<h1>Tracing Dubbo service with Apache Skywalking(incubator)</h1>\n<h2>Introduction to Apache Skywalking(Incubator)</h2>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking (incubating) supports multiple languages agent, for example <a href=\"https://github.com/apache/incubator-skywalking\">Java</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-netcore\">.net core</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-nodejs\">Node.js</a> and <a href=\"https://github.com/OpenSkywalking/skywalking-go\">Go</a>.</p>\n<p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from single application, TOP N services and servers, JVM, host and process info. The service view focuses on the operation of a single service portal and the upstream and downstream dependencies of this service and it helps the user to optimize and monitor a single service; the trace graph shows all the buried points of the invocation and the execution time of each burial point, and the alarm view is based on the configuration threshold for the application, server, service for real-time alarms</p>\n<h2>Dubbo and Apache Skywalking(Incubator)</h2>\n<h3>Build the Dubbo demo  project</h3>\n<p>The Dubbo demo has been uploaded to the <a href=\"https://github.com/SkywalkingTest/dubbo-trace-example\">GitHub repository</a>.</p>\n<h4>API project</h4>\n<p>Service interface definition:\npackage org.apache.skywalking.demo.interfaces;</p>\n<p>public interface HelloService {\nString sayHello(String name);\n}</p>\n<h4>Service provider project</h4>\n<p>package org.apache.skywalking.demo.provider;</p>\n<p>@Service(version = &quot;${demo.service.version}&quot;,\napplication = &quot;${<a href=\"http://dubbo.application.id\">dubbo.application.id</a>}&quot;,\nprotocol = &quot;${<a href=\"http://dubbo.protocol.id\">dubbo.protocol.id</a>}&quot;,\nregistry = &quot;${<a href=\"http://dubbo.registry.id\">dubbo.registry.id</a>}&quot;, timeout = 60000)\npublic class HelloServiceImpl implements HelloService {</p>\n<pre><code>public String sayHello(String name) {\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(1));\n\treturn &quot;Hello, &quot; + name;\n}\n</code></pre>\n<p>}</p>\n<h4>Service consumer project</h4>\n<p>package org.apache.skywalking.demo.consumer;</p>\n<p>@RestController\npublic class ConsumerController {</p>\n<pre><code>private static int COUNT = 0;\n\n@Reference(version = &quot;${demo.service.version}&quot;,\n\tapplication = &quot;${dubbo.application.id}&quot;,\n\turl = &quot;dubbo://localhost:20880&quot;, timeout = 60000)\nprivate HelloService helloService;\n\n@GetMapping(&quot;/sayHello/{name}&quot;)\npublic String sayHello(@PathVariable(name = &quot;name&quot;) String name) {\n\tif ((COUNT++) % 3 == 0){\n\t\tthrow new RuntimeException();\n\t}\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(2));\n\treturn helloService.sayHello(name);\n}\n</code></pre>\n<p>}</p>\n<h3>Deploy Apache Skywalking(incubator)</h3>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (Incubator)</a> offers  two deployment modes: single-node mode and cluster mode,Here is  the single-node mode deployment step, and more about how to deploy skywalking with cluster mode, please reference <a href=\"https://github.com/apache/incubator-skywalking/blob/master/docs/en/Deploy-backend-in-cluster-mode.md\">document</a>.</p>\n<h4>Third-party components</h4>\n<ol>\n<li>JDK 8+</li>\n<li>Elasticsearch 5.x</li>\n</ol>\n<h4>Deployment step</h4>\n<ol>\n<li>Download <a href=\"http://skywalking.apache.org/downloads/\">Apache Skywalking Collector</a></li>\n<li>Deploy Elasticsearch service\n<ul>\n<li>Set <code>cluster.name</code> to <code>CollectorDBCluster</code></li>\n<li>Set <code>network.host</code> to <code>0.0.0.0</code></li>\n<li>Start elasticsearch service</li>\n</ul>\n</li>\n<li>Unzip and start the Skywalking Collector. Run the ' bin/startup.sh ' command to start skywalking Collector</li>\n</ol>\n<h4>Deploy the demo</h4>\n<p>Before you deploy the demo service, please run the following command:</p>\n<pre><code>./mvnw clean package\n</code></pre>\n<h4>Deploy the provider service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-provider -Dskywalking.collector.servers=localhost:10800 dubbo-provider/target/dubbo-provider.jar\n</code></pre>\n<h4>Deploy the consumer service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-consumer -Dskywalking.collector.servers=localhost:10800 dubbo-consumer/target/dubbo-consumer.jar \n</code></pre>\n<h4>visit demo service</h4>\n<pre><code>curl http://localhost:8080/sayHello/test\n</code></pre>\n<h2>Skywalking scren snapshot</h2>\n<h3>Dashboard</h3>\n<p><img src=\"../../img/blog/skywalking-dashboard.png\" alt=\"/admin-guide/images/skywalking-dashboard.png\"></p>\n<h3>Topology</h3>\n<p><img src=\"../../img/blog/skywalking-topology.png\" alt=\"/admin-guide/images/skywalking-topology.png\"></p>\n<h3>Application view</h3>\n<p><img src=\"../../img/blog/skywalking-application.png\" alt=\"/admin-guide/images/skywalking-application.png\"></p>\n<p>JVM Information\n<img src=\"../../img/blog/skywalking-application_instance.png\" alt=\"/admin-guide/images/skywalking-application_instance.png\"></p>\n<h3>Service view</h3>\n<p>Consumer side\n<img src=\"../../img/blog/skywalking-service-consumer.png\" alt=\"/admin-guide/images/skywalking-service-consumer.png\"></p>\n<p>provider side\n<img src=\"../../img/blog/skywalking-service-provider.png\" alt=\"/admin-guide/images/skywalking-service-provider.png\"></p>\n<h3>Trace</h3>\n<p><img src=\"../../img/blog/skywalking-trace.png\" alt=\"/admin-guide/images/skywalking-trace.png\"></p>\n<p>Span info\n<img src=\"../../img/blog/skywalking-span-Info.png\" alt=\"/admin-guide/images/skywalking-span-Info.png\"></p>\n<h3>Alarm view</h3>\n<p><img src=\"../../img/blog/skywalking-alarm.png\" alt=\"/admin-guide/images/skywalking-alarm.png\"></p>\n",
+  "__html": "<h1>Tracing Dubbo service with Apache Skywalking(incubator)</h1>\n<h2>Introduction to Apache Skywalking(Incubator)</h2>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking (incubating) supports multiple languages agent, for example <a href=\"https://github.com/apache/incubator-skywalking\">Java</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-netcore\">.net core</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-nodejs\">Node.js</a> and <a href=\"https://github.com/OpenSkywalking/skywalking-go\">Go</a>.</p>\n<p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from single application, TOP N services and servers, JVM, host and process info. The service view focuses on the operation of a single service portal and the upstream and downstream dependencies of this service and it helps the user to optimize and monitor a single service; the trace graph shows all the buried points of the invocation and the execution time of each burial point, and the alarm view is based on the configuration threshold for the application, server, service for real-time alarms</p>\n<h2>Dubbo and Apache Skywalking(Incubator)</h2>\n<h3>Build the Dubbo demo  project</h3>\n<p>The Dubbo demo has been uploaded to the <a href=\"https://github.com/SkywalkingTest/dubbo-trace-example\">GitHub repository</a>.</p>\n<h4>API project</h4>\n<p>Service interface definition:\npackage org.apache.skywalking.demo.interfaces;</p>\n<p>public interface HelloService {\nString sayHello(String name);\n}</p>\n<h4>Service provider project</h4>\n<p>package org.apache.skywalking.demo.provider;</p>\n<p>@Service(version = &quot;<span class=\"katex\"><span class=\"katex-mathml\"><math><semantics><mrow><mrow><mi>d</mi><mi>e</mi><mi>m</mi><mi>o</mi><mi mathvariant=\"normal\">.</mi><mi>s</mi><mi>e</mi><mi>r</mi><mi>v</mi><mi>i</mi><mi>c</mi><mi>e</mi><mi mathvariant=\"normal\">.</mi><mi>v</mi><mi>e</mi><mi>r</mi><mi>s</mi><mi>i</mi><mi>o</mi><mi>n</mi></mrow><mi mathvariant=\"normal\">&quot;</mi><mo separator=\"true\">,</mo><mi>a</mi><mi>p</mi><mi>p</mi><mi>l</mi><mi>i</mi><mi>c</mi><mi>a</mi><mi>t</mi><mi>i</mi><mi>o</mi><mi>n</mi><mo>=</mo><mi mathvariant=\"normal\">&quot;</mi></mrow><annotation encoding=\"application/x-tex\">{demo.service.version}&quot;,\n\tapplication = &quot;</annotation></semantics></math></span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"strut\" style=\"height:0.69444em;\"></span><span class=\"strut bottom\" style=\"height:0.8888799999999999em;vertical-align:-0.19444em;\"></span><span class=\"base textstyle uncramped\"><span class=\"mord textstyle uncramped\"><span class=\"mord mathit\">d</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\">m</span><span class=\"mord mathit\">o</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\">s</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">v</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">c</span><span class=\"mord mathit\">e</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">v</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\">s</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">n</span></span><span class=\"mord mathrm\">&quot;</span><span class=\"mpunct\">,</span><span class=\"mord mathit\">a</span><span class=\"mord mathit\">p</span><span class=\"mord mathit\">p</span><span class=\"mord mathit\" style=\"margin-right:0.01968em;\">l</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">c</span><span class=\"mord mathit\">a</span><span class=\"mord mathit\">t</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">n</span><span class=\"mrel\">=</span><span class=\"mord mathrm\">&quot;</span></span></span></span>{<a href=\"http://dubbo.application.id\">dubbo.application.id</a>}&quot;,\nprotocol = &quot;<span class=\"katex\"><span class=\"katex-mathml\"><math><semantics><mrow><mrow><mi>d</mi><mi>u</mi><mi>b</mi><mi>b</mi><mi>o</mi><mi mathvariant=\"normal\">.</mi><mi>p</mi><mi>r</mi><mi>o</mi><mi>t</mi><mi>o</mi><mi>c</mi><mi>o</mi><mi>l</mi><mi mathvariant=\"normal\">.</mi><mi>i</mi><mi>d</mi></mrow><mi mathvariant=\"normal\">&quot;</mi><mo separator=\"true\">,</mo><mi>r</mi><mi>e</mi><mi>g</mi><mi>i</mi><mi>s</mi><mi>t</mi><mi>r</mi><mi>y</mi><mo>=</mo><mi mathvariant=\"normal\">&quot;</mi></mrow><annotation encoding=\"application/x-tex\">{dubbo.protocol.id}&quot;,\n\tregistry = &quot;</annotation></semantics></math></span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"strut\" style=\"height:0.69444em;\"></span><span class=\"strut bottom\" style=\"height:0.8888799999999999em;vertical-align:-0.19444em;\"></span><span class=\"base textstyle uncramped\"><span class=\"mord textstyle uncramped\"><span class=\"mord mathit\">d</span><span class=\"mord mathit\">u</span><span class=\"mord mathit\">b</span><span class=\"mord mathit\">b</span><span class=\"mord mathit\">o</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\">p</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">t</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">c</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\" style=\"margin-right:0.01968em;\">l</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">d</span></span><span class=\"mord mathrm\">&quot;</span><span class=\"mpunct\">,</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">g</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">s</span><span class=\"mord mathit\">t</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">y</span><span class=\"mrel\">=</span><span class=\"mord mathrm\">&quot;</span></span></span></span>{<a href=\"http://dubbo.registry.id\">dubbo.registry.id</a>}&quot;, timeout = 60000)\npublic class HelloServiceImpl implements HelloService {</p>\n<pre><code>public String sayHello(String name) {\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(1));\n\treturn &quot;Hello, &quot; + name;\n}\n</code></pre>\n<p>}</p>\n<h4>Service consumer project</h4>\n<p>package org.apache.skywalking.demo.consumer;</p>\n<p>@RestController\npublic class ConsumerController {</p>\n<pre><code>private static int COUNT = 0;\n\n@Reference(version = &quot;${demo.service.version}&quot;,\n\tapplication = &quot;${dubbo.application.id}&quot;,\n\turl = &quot;dubbo://localhost:20880&quot;, timeout = 60000)\nprivate HelloService helloService;\n\n@GetMapping(&quot;/sayHello/{name}&quot;)\npublic String sayHello(@PathVariable(name = &quot;name&quot;) String name) {\n\tif ((COUNT++) % 3 == 0){\n\t\tthrow new RuntimeException();\n\t}\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(2));\n\treturn helloService.sayHello(name);\n}\n</code></pre>\n<p>}</p>\n<h3>Deploy Apache Skywalking(incubator)</h3>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (Incubator)</a> offers  two deployment modes: single-node mode and cluster mode,Here is  the single-node mode deployment step, and more about how to deploy skywalking with cluster mode, please reference <a href=\"https://github.com/apache/incubator-skywalking/blob/master/docs/en/Deploy-backend-in-cluster-mode.md\">document</a>.</p>\n<h4>Third-party components</h4>\n<ol>\n<li>JDK 8+</li>\n<li>Elasticsearch 5.x</li>\n</ol>\n<h4>Deployment step</h4>\n<ol>\n<li>Download <a href=\"http://skywalking.apache.org/downloads/\">Apache Skywalking Collector</a></li>\n<li>Deploy Elasticsearch service\n<ul>\n<li>Set <code>cluster.name</code> to <code>CollectorDBCluster</code></li>\n<li>Set <code>network.host</code> to <code>0.0.0.0</code></li>\n<li>Start elasticsearch service</li>\n</ul>\n</li>\n<li>Unzip and start the Skywalking Collector. Run the ' bin/startup.sh ' command to start skywalking Collector</li>\n</ol>\n<h4>Deploy the demo</h4>\n<p>Before you deploy the demo service, please run the following command:</p>\n<pre><code>./mvnw clean package\n</code></pre>\n<h4>Deploy the provider service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-provider -Dskywalking.collector.servers=localhost:10800 dubbo-provider/target/dubbo-provider.jar\n</code></pre>\n<h4>Deploy the consumer service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-consumer -Dskywalking.collector.servers=localhost:10800 dubbo-consumer/target/dubbo-consumer.jar \n</code></pre>\n<h4>visit demo service</h4>\n<pre><code>curl http://localhost:8080/sayHello/test\n</code></pre>\n<h2>Skywalking scren snapshot</h2>\n<h3>Dashboard</h3>\n<p><img src=\"../../img/blog/skywalking-dashboard.png\" alt=\"/admin-guide/images/skywalking-dashboard.png\"></p>\n<h3>Topology</h3>\n<p><img src=\"../../img/blog/skywalking-topology.png\" alt=\"/admin-guide/images/skywalking-topology.png\"></p>\n<h3>Application view</h3>\n<p><img src=\"../../img/blog/skywalking-application.png\" alt=\"/admin-guide/images/skywalking-application.png\"></p>\n<p>JVM Information\n<img src=\"../../img/blog/skywalking-application_instance.png\" alt=\"/admin-guide/images/skywalking-application_instance.png\"></p>\n<h3>Service view</h3>\n<p>Consumer side\n<img src=\"../../img/blog/skywalking-service-consumer.png\" alt=\"/admin-guide/images/skywalking-service-consumer.png\"></p>\n<p>provider side\n<img src=\"../../img/blog/skywalking-service-provider.png\" alt=\"/admin-guide/images/skywalking-service-provider.png\"></p>\n<h3>Trace</h3>\n<p><img src=\"../../img/blog/skywalking-trace.png\" alt=\"/admin-guide/images/skywalking-trace.png\"></p>\n<p>Span info\n<img src=\"../../img/blog/skywalking-span-Info.png\" alt=\"/admin-guide/images/skywalking-span-Info.png\"></p>\n<h3>Alarm view</h3>\n<p><img src=\"../../img/blog/skywalking-alarm.png\" alt=\"/admin-guide/images/skywalking-alarm.png\"></p>\n",
   "title": "Tracing Dubbo service with Apache Skywalking(incubator)",
   "keywords": "Dubbo, Skywalking, tracing, distribute tracking",
   "description": "This article introduces how to use Apache Skywalking to track Dubbo applications."
diff --git a/en-us/community/index.html b/en-us/community/index.html
index 548bdef55f93..2171a49755d2 100644
--- a/en-us/community/index.html
+++ b/en-us/community/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/community.css" />
 </head>
 <body>
-	<div id="root"><div class="community-page" data-reactroot="" data-reactid="1" data-react-checksum="1347312382"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/community.png" class="front-img" data-reactid="22"/><span data-reactid="23">Community</span><img src="/img/community.png" class="back-img" data-reactid="24"/></div></div><section class="events-section" data-reactid="25"><h3 data-reactid="26">Events &amp; News</h3><div class="slider" data-reactid="27"><div class="slider-list" style="transform:translateX(-0px);transition:transform 500ms ease;width:0;" data-reactid="28"><div class="slider-screen" style="width:0;" data-reactid="29"><div class="slider-item" data-reactid="30"><div class="event-card" data-reactid="31"><a href="/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="32"><img src="/img/blog/dubbo-shanghai-meetup.jpeg" data-reactid="33"/></a><div class="event-introduction" data-reactid="34"><h4 data-reactid="35">Dubbo Shanghai meetup has been held successfully</h4><p data-reactid="36">The Dubbo meetup has successfully been held in Shanghai, over 700 people submitted registration, and over 300 were present, more than 10,000 watched the live online.</p><a href="/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="37"><!-- react-text: 38 -->June 23rd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="39"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="40"><div class="slider-item" data-reactid="41"><div class="event-card" data-reactid="42"><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="43"><img src="/img/blog/dubbo-beijing-meetup.png" data-reactid="44"/></a><div class="event-introduction" data-reactid="45"><h4 data-reactid="46">The first Dubbo meetup has successfully been held in Beijing</h4><p data-reactid="47">The first Dubbo meetup has successfully been held in Beijing, over 400+ people were present. What a great event!</p><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="48"><!-- react-text: 49 -->May 12nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="50"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="51"><div class="slider-item" data-reactid="52"><div class="event-card" data-reactid="53"><a href="/en-us/blog/apachecon-na-2018.html" data-reactid="54"><img src="/img/blog/apachecon-na-2018.png" data-reactid="55"/></a><div class="event-introduction" data-reactid="56"><h4 data-reactid="57">The ApacheCon NA schedule has been announced</h4><p data-reactid="58">Ian Luo/Jun Liu will talk about &quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot; at ApacheCon NA this year in Montréal!</p><a href="/en-us/blog/apachecon-na-2018.html" data-reactid="59"><!-- react-text: 60 -->May 2nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="61"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="62"><div class="slider-item" data-reactid="63"><div class="event-card" data-reactid="64"><a href="/en-us/blog/qcon-beijing-2018.html" data-reactid="65"><img src="/img/blog/qcon-beijing-2018.jpeg" data-reactid="66"/></a><div class="event-introduction" data-reactid="67"><h4 data-reactid="68">Dubbo roadmap is announced in QCon Beijing 2018</h4><p data-reactid="69">Ian Luo has delivered a great talk at QCon Beijing 2018, where the roadmap of Dubbo has also be announced.</p><a href="/en-us/blog/qcon-beijing-2018.html" data-reactid="70"><!-- react-text: 71 -->April 21st，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="72"/></a></div></div></div></div></div><div class="slider-control" data-reactid="73"><span class="slider-control-item slider-control-item-active" data-reactid="74"></span><span class="slider-control-item" data-reactid="75"></span><span class="slider-control-item" data-reactid="76"></span><span class="slider-control-item" data-reactid="77"></span></div></div></section><section class="eco-section" data-reactid="78"><h3 data-reactid="79">Eco System</h3><div class="eco-lists" data-reactid="80"><div class="eco-item" data-reactid="81"><h4 data-reactid="82">Bootstrap</h4><p data-reactid="83"><span data-reactid="84">Generate Dubbo project with Spring Boot:</span></p><div class="tags" data-reactid="85"><a href="http://start.dubbo.io" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="86">Dubbo Initializr</a></div></div><div class="eco-item" data-reactid="87"><h4 data-reactid="88">Language</h4><p data-reactid="89"><span data-reactid="90">Dubbo supports the following languages:</span></p><div class="tags" data-reactid="91"><a href="https://github.com/apache/incubator-dubbo" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="92">Java</a><a href="https://github.com/dubbo/dubbo2.js" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="93">Node.js</a><a href="https://github.com/dubbo/dubbo-client-py" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="94">Python</a><a href="https://github.com/dubbo/dubbo-php-framework" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="95">PHP</a></div></div><div class="eco-item" data-reactid="96"><h4 data-reactid="97">API</h4><p data-reactid="98"><span data-reactid="99">Dubbo supports the following API:</span></p><div class="tags" data-reactid="100"><a href="/en-us/docs/user/configuration/xml.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="101">Spring XML</a><a href="/en-us/docs/user/configuration/annotation.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="102">Spring Annotation</a><a href="/en-us/docs/user/configuration/properties.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="103">Plain Java</a><a href="https://github.com/apache/incubator-dubbo-spring-boot-project" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="104">Spring Boot</a></div></div><div class="eco-item" data-reactid="105"><h4 data-reactid="106">Registry</h4><p data-reactid="107"><span data-reactid="108">Dubbo supports the following registries:</span></p><div class="tags" data-reactid="109"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="110">Zookeeper</a><a href="/en-us/docs/user/references/registry/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="111">Redis</a><a href="/en-us/docs/user/references/registry/simple.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="112">Simple</a><a href="/en-us/docs/user/references/registry/multicast.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="113">Multicast</a><a href="https://github.com/dubbo/dubbo-registry-etcd" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="114">Etcd3</a></div></div><div class="eco-item" data-reactid="115"><h4 data-reactid="116">Cluster</h4><p data-reactid="117"><span data-reactid="118">Dubbo supports the following clusters:</span></p><div class="tags" data-reactid="119"><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="120">Fail over</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="121">Fail safe</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="122">Fail fast</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="123">Fail back</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="124">Forking</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="125">Broadcast</a></div></div><div class="eco-item" data-reactid="126"><h4 data-reactid="127">Load balance</h4><p data-reactid="128"><span data-reactid="129">Dubbo supports the following load balance:</span></p><div class="tags" data-reactid="130"><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="131">Random</a><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="132">Least Active</a><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="133">Round Robin</a><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="134">Consistent hash</a></div></div><div class="eco-item" data-reactid="135"><h4 data-reactid="136">Protocol</h4><p data-reactid="137"><span data-reactid="138">Dubbo supports the following protocols:</span></p><div class="tags" data-reactid="139"><a href="/en-us/docs/user/references/protocol/dubbo.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="140">Dubbo</a><a href="/en-us/docs/user/references/protocol/rmi.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="141">RMI</a><a href="/en-us/docs/user/references/protocol/hessian.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="142">Hessian</a><a href="/en-us/docs/user/references/protocol/http.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="143">HTTP</a><a href="/en-us/docs/user/references/protocol/webservice.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="144">WebService</a><a href="/en-us/docs/user/references/protocol/thrift.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="145">Thrift</a><a href="https://github.com/dubbo/dubbo-rpc-native-thrift" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="146">Native Thrift</a><a href="/en-us/docs/user/references/protocol/memcached.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="147">Memcached</a><a href="/en-us/docs/user/references/protocol/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="148">Redis</a><a href="/en-us/docs/user/references/protocol/rest.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="149">Rest</a><a href="https://github.com/apache/incubator-dubbo-rpc-jsonrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="150">JsonRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-xmlrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="151">XmlRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-jms" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="152">JmsRpc</a></div></div><div class="eco-item" data-reactid="153"><h4 data-reactid="154">Transport</h4><p data-reactid="155"><span data-reactid="156">Dubbo supports the following transporters:</span></p><div class="tags" data-reactid="157"><a href="" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="158">Netty3</a><a href="/en-us/docs/user/demos/netty4.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="159">Netty4</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="160">Grizzly</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="161">Jetty</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="162">Mina</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="163">P2P</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="164">Zookeeper</a></div></div><div class="eco-item" data-reactid="165"><h4 data-reactid="166">Serialization</h4><p data-reactid="167"><span data-reactid="168">Dubbo supports the following serialization:</span></p><div class="tags" data-reactid="169"><a href="" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="170">Hessian2</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="171">Java</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="172">JSON</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="173">Fst</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="174">Kryo</a><a href="https://github.com/dubbo/dubbo-serialization-native-hessian" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="175">Native Hessian</a><a href="https://github.com/dubbo/dubbo-serialization-avro" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="176">Avro</a></div></div></div></section><section class="contact-section" data-reactid="177"><h3 data-reactid="178">Talk To Us</h3><p data-reactid="179">Feel free to contact us via the following channel.</p><div class="contact-list" data-reactid="180"><a class="contact-item" href="https://github.com/apache/incubator-dubbo/wiki/New-contributor-guide" rel="noopener noreferrer" target="_blank" data-reactid="181"><img src="/img/mailinglist.png" data-reactid="182"/><div data-reactid="183">Mailing List</div></a><a class="contact-item" href="https://gitter.im/alibaba/dubbo" rel="noopener noreferrer" target="_blank" data-reactid="184"><img src="/img/alibaba.png" data-reactid="185"/><div data-reactid="186">#alibaba/dubbo</div></a><a class="contact-item" href="https://segmentfault.com/t/dubbo" rel="noopener noreferrer" target="_blank" data-reactid="187"><img src="/img/segmentfault.png" data-reactid="188"/><div data-reactid="189">Segment Fault</div></a><a class="contact-item" href="https://twitter.com/ApacheDubbo" rel="noopener noreferrer" target="_blank" data-reactid="190"><img src="/img/twitter.png" data-reactid="191"/><div data-reactid="192">@ApacheDubbo</div></a></div></section><section class="contributor-section" data-reactid="193"><h3 data-reactid="194">Contributor Guide</h3><p data-reactid="195">Want to contribute to Dubbo?</p><div class="contributor-list" data-reactid="196"><div class="contributor-item" data-reactid="197"><img src="/img/mailinglist.png" data-reactid="198"/><div data-reactid="199">Mailing List</div><p data-reactid="200"><span data-reactid="201"><!-- react-text: 202 -->Join the <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/wiki/New-contributor-guide" data-reactid="203">mailing list </a><!-- react-text: 204 -->and discussion your ideas with us.<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="205"><img src="/img/issue.png" data-reactid="206"/><div data-reactid="207">Issue</div><p data-reactid="208"><span data-reactid="209"><!-- react-text: 210 -->Reporting issues via <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/issues" data-reactid="211">Github issues</a><!-- react-text: 212 -->.<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="213"><img src="/img/documents.png" data-reactid="214"/><div data-reactid="215">Documents</div><p data-reactid="216"><span data-reactid="217"><!-- react-text: 218 -->Improve the <!-- /react-text --><a href="http://dubbo.apache.org/en-us/docs/user/quick-start.html" data-reactid="219">documentation</a><!-- react-text: 220 -->.<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="221"><img src="/img/pullrequest.png" data-reactid="222"/><div data-reactid="223">Pull Request</div><p data-reactid="224"><span data-reactid="225"><!-- react-text: 226 -->Send your awesome enhancement via <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/pulls" data-reactid="227">Pull requests.</a></span></p></div></div></section><footer 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Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. 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+	<div id="root"><div class="community-page" data-reactroot="" data-reactid="1" data-react-checksum="-1024101133"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/en-us/blog/index.html" data-reactid="17">BLOG</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="18"><a href="/en-us/community/index.html" data-reactid="19">COMMUNITY</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/community.png" class="front-img" data-reactid="22"/><span data-reactid="23">Community</span><img src="/img/community.png" class="back-img" data-reactid="24"/></div></div><section class="events-section" data-reactid="25"><h3 data-reactid="26">Events &amp; News</h3><div class="slider" data-reactid="27"><div class="slider-list" style="transform:translateX(-0px);transition:transform 500ms ease;width:0;" data-reactid="28"><div class="slider-screen" style="width:0;" data-reactid="29"><div class="slider-item" data-reactid="30"><div class="event-card" data-reactid="31"><a href="/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="32"><img src="/img/blog/dubbo-shanghai-meetup.jpeg" data-reactid="33"/></a><div class="event-introduction" data-reactid="34"><h4 data-reactid="35">Dubbo Shanghai meetup has been held successfully</h4><p data-reactid="36">The Dubbo meetup has successfully been held in Shanghai, over 700 people submitted registration, and over 300 were present, more than 10,000 watched the live online.</p><a href="/en-us/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="37"><!-- react-text: 38 -->June 23rd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="39"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="40"><div class="slider-item" data-reactid="41"><div class="event-card" data-reactid="42"><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="43"><img src="/img/blog/dubbo-beijing-meetup.png" data-reactid="44"/></a><div class="event-introduction" data-reactid="45"><h4 data-reactid="46">The first Dubbo meetup has successfully been held in Beijing</h4><p data-reactid="47">The first Dubbo meetup has successfully been held in Beijing, over 400+ people were present. What a great event!</p><a href="/en-us/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="48"><!-- react-text: 49 -->May 12nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="50"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="51"><div class="slider-item" data-reactid="52"><div class="event-card" data-reactid="53"><a href="/en-us/blog/apachecon-na-2018.html" data-reactid="54"><img src="/img/blog/apachecon-na-2018.png" data-reactid="55"/></a><div class="event-introduction" data-reactid="56"><h4 data-reactid="57">The ApacheCon NA schedule has been announced</h4><p data-reactid="58">Ian Luo/Jun Liu will talk about &quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot; at ApacheCon NA this year in Montréal!</p><a href="/en-us/blog/apachecon-na-2018.html" data-reactid="59"><!-- react-text: 60 -->May 2nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="61"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="62"><div class="slider-item" data-reactid="63"><div class="event-card" data-reactid="64"><a href="/en-us/blog/qcon-beijing-2018.html" data-reactid="65"><img src="/img/blog/qcon-beijing-2018.jpeg" data-reactid="66"/></a><div class="event-introduction" data-reactid="67"><h4 data-reactid="68">Dubbo roadmap is announced in QCon Beijing 2018</h4><p data-reactid="69">Ian Luo has delivered a great talk at QCon Beijing 2018, where the roadmap of Dubbo has also be announced.</p><a href="/en-us/blog/qcon-beijing-2018.html" data-reactid="70"><!-- react-text: 71 -->April 21st，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="72"/></a></div></div></div></div></div><div class="slider-control" data-reactid="73"><span class="slider-control-item slider-control-item-active" data-reactid="74"></span><span class="slider-control-item" data-reactid="75"></span><span class="slider-control-item" data-reactid="76"></span><span class="slider-control-item" data-reactid="77"></span></div></div></section><section class="eco-section" data-reactid="78"><h3 data-reactid="79">Eco System</h3><div class="eco-lists" data-reactid="80"><div class="eco-item" data-reactid="81"><h4 data-reactid="82">Bootstrap</h4><p data-reactid="83"><span data-reactid="84">Generate Dubbo project with Spring Boot:</span></p><div class="tags" data-reactid="85"><a href="http://start.dubbo.io" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="86">Dubbo Initializr</a></div></div><div class="eco-item" data-reactid="87"><h4 data-reactid="88">Language</h4><p data-reactid="89"><span data-reactid="90">Dubbo supports the following languages:</span></p><div class="tags" data-reactid="91"><a href="https://github.com/apache/incubator-dubbo" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="92">Java</a><a href="https://github.com/dubbo/dubbo2.js" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="93">Node.js</a><a href="https://github.com/dubbo/dubbo-client-py" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="94">Python</a><a href="https://github.com/dubbo/dubbo-php-framework" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="95">PHP</a></div></div><div class="eco-item" data-reactid="96"><h4 data-reactid="97">API</h4><p data-reactid="98"><span data-reactid="99">Dubbo supports the following API:</span></p><div class="tags" data-reactid="100"><a href="/en-us/docs/user/configuration/xml.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="101">Spring XML</a><a href="/en-us/docs/user/configuration/annotation.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="102">Spring Annotation</a><a href="/en-us/docs/user/configuration/properties.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="103">Plain Java</a><a href="https://github.com/apache/incubator-dubbo-spring-boot-project" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="104">Spring Boot</a></div></div><div class="eco-item" data-reactid="105"><h4 data-reactid="106">Registry</h4><p data-reactid="107"><span data-reactid="108">Dubbo supports the following registries:</span></p><div class="tags" data-reactid="109"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="110">Zookeeper</a><a href="/en-us/docs/user/references/registry/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="111">Redis</a><a href="/en-us/docs/user/references/registry/simple.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="112">Simple</a><a href="/en-us/docs/user/references/registry/multicast.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="113">Multicast</a><a href="https://github.com/dubbo/dubbo-registry-etcd" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="114">Etcd3</a></div></div><div class="eco-item" data-reactid="115"><h4 data-reactid="116">Cluster</h4><p data-reactid="117"><span data-reactid="118">Dubbo supports the following clusters:</span></p><div class="tags" data-reactid="119"><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="120">Fail over</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="121">Fail safe</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="122">Fail fast</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="123">Fail back</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="124">Forking</a><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="125">Broadcast</a></div></div><div class="eco-item" data-reactid="126"><h4 data-reactid="127">Load balance</h4><p data-reactid="128"><span data-reactid="129">Dubbo supports the following load balance:</span></p><div class="tags" data-reactid="130"><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="131">Random</a><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="132">Least Active</a><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="133">Round Robin</a><a href="/en-us/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="134">Consistent hash</a></div></div><div class="eco-item" data-reactid="135"><h4 data-reactid="136">Protocol</h4><p data-reactid="137"><span data-reactid="138">Dubbo supports the following protocols:</span></p><div class="tags" data-reactid="139"><a href="/en-us/docs/user/references/protocol/dubbo.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="140">Dubbo</a><a href="/en-us/docs/user/references/protocol/rmi.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="141">RMI</a><a href="/en-us/docs/user/references/protocol/hessian.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="142">Hessian</a><a href="/en-us/docs/user/references/protocol/http.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="143">HTTP</a><a href="/en-us/docs/user/references/protocol/webservice.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="144">WebService</a><a href="/en-us/docs/user/references/protocol/thrift.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="145">Thrift</a><a href="https://github.com/dubbo/dubbo-rpc-native-thrift" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="146">Native Thrift</a><a href="/en-us/docs/user/references/protocol/memcached.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="147">Memcached</a><a href="/en-us/docs/user/references/protocol/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="148">Redis</a><a href="/en-us/docs/user/references/protocol/rest.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="149">Rest</a><a href="https://github.com/apache/incubator-dubbo-rpc-jsonrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="150">JsonRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-xmlrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="151">XmlRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-jms" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="152">JmsRpc</a></div></div><div class="eco-item" data-reactid="153"><h4 data-reactid="154">Transport</h4><p data-reactid="155"><span data-reactid="156">Dubbo supports the following transporters:</span></p><div class="tags" data-reactid="157"><a href="" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="158">Netty3</a><a href="/en-us/docs/user/demos/netty4.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="159">Netty4</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="160">Grizzly</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="161">Jetty</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="162">Mina</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="163">P2P</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="164">Zookeeper</a></div></div><div class="eco-item" data-reactid="165"><h4 data-reactid="166">Serialization</h4><p data-reactid="167"><span data-reactid="168">Dubbo supports the following serialization:</span></p><div class="tags" data-reactid="169"><a href="" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="170">Hessian2</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="171">Java</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="172">JSON</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="173">Fst</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="174">Kryo</a><a href="https://github.com/dubbo/dubbo-serialization-native-hessian" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="175">Native Hessian</a><a href="https://github.com/dubbo/dubbo-serialization-avro" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="176">Avro</a></div></div></div></section><section class="contact-section" data-reactid="177"><h3 data-reactid="178">Talk To Us</h3><p data-reactid="179">Feel free to contact us via the following channel.</p><div class="contact-list" data-reactid="180"><a class="contact-item" href="https://github.com/apache/incubator-dubbo/wiki/New-contributor-guide" rel="noopener noreferrer" target="_blank" data-reactid="181"><img src="/img/mailinglist.png" data-reactid="182"/><div data-reactid="183">Mailing List</div></a><a class="contact-item" href="https://gitter.im/alibaba/dubbo" rel="noopener noreferrer" target="_blank" data-reactid="184"><img src="/img/alibaba.png" data-reactid="185"/><div data-reactid="186">#alibaba/dubbo</div></a><a class="contact-item" href="https://segmentfault.com/t/dubbo" rel="noopener noreferrer" target="_blank" data-reactid="187"><img src="/img/segmentfault.png" data-reactid="188"/><div data-reactid="189">Segment Fault</div></a><a class="contact-item" href="https://twitter.com/ApacheDubbo" rel="noopener noreferrer" target="_blank" data-reactid="190"><img src="/img/twitter.png" data-reactid="191"/><div data-reactid="192">@ApacheDubbo</div></a></div></section><section class="contributor-section" data-reactid="193"><h3 data-reactid="194">Contributor Guide</h3><p data-reactid="195">Want to contribute to Dubbo?</p><div class="contributor-list" data-reactid="196"><div class="contributor-item" data-reactid="197"><img src="/img/mailinglist.png" data-reactid="198"/><div data-reactid="199">Mailing List</div><p data-reactid="200"><span data-reactid="201"><!-- react-text: 202 -->Join the <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/wiki/New-contributor-guide" data-reactid="203">mailing list </a><!-- react-text: 204 -->and discussion your ideas with us.<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="205"><img src="/img/issue.png" data-reactid="206"/><div data-reactid="207">Issue</div><p data-reactid="208"><span data-reactid="209"><!-- react-text: 210 -->Reporting issues via <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/issues" data-reactid="211">Github issues</a><!-- react-text: 212 -->.<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="213"><img src="/img/documents.png" data-reactid="214"/><div data-reactid="215">Documents</div><p data-reactid="216"><span data-reactid="217"><!-- react-text: 218 -->Improve the <!-- /react-text --><a href="http://dubbo.apache.org/en-us/docs/user/quick-start.html" data-reactid="219">documentation</a><!-- react-text: 220 -->.<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="221"><img src="/img/pullrequest.png" data-reactid="222"/><div data-reactid="223">Pull Request</div><p data-reactid="224"><span data-reactid="225"><!-- react-text: 226 -->Send your awesome enhancement via <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/pulls" data-reactid="227">Pull requests.</a></span></p></div></div></section><footer 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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>dubbo-admin-book</h1>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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 <li><a href="install/introduction.md">1 install manual</a>
 <ul>
 <li><a href="install/provider-demo.md">1.1 install provider demo</a></li>
@@ -30,7 +30,7 @@
 </ul>
 </li>
 </ul>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Install admin console</h1>
 <p>Include: route rule, dynamic configuration, service downgrade, access control, weight adjustment, load balance, etc.</p>
 <p>Install:</p>
 <pre><code class="language-sh">wget http://apache.etoak.com/tomcat/tomcat-6/v6.0.35/bin/apache-tomcat-6.0.35.tar.gz
@@ -52,7 +52,7 @@
 </li>
 </ol>
 </section>
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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>install demo consumer</h1>
 <p>install:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo.git
 <span class="hljs-built_in">cd</span> incubator-dubbo
@@ -23,7 +23,7 @@
 <pre><code class="language-sh">resource/META-INFO.spring/dubbo-demo-consumer.xml
 change dubbo:registery to the real registery center address
 </code></pre>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Install manual</h1>
 <p>You can run Demo Provider and Demo Consumer only, the default discovery strategy is Multicast by configuration center broadcast, do not run the two parts on the same machine, if you have to do so, set <code>unicast=false</code>, like <code>multicast://224.5.6.7:1234?unicast=false</code>, or the unicast send to consumer will be taken by provider, and the same for consumers. Only multicast has this issue</p>
 <p>You can run multiple Demo Provider and Demo consumer to verify load balance. Demo Consumer can run multi instance directly. Because of port conflict, you can either run multi Demo Providers on different machines or modify the value of <code>dubbo.protocol.port</code> in <code>conf/dubbo.properties</code> under the install directory of <code>conf/dubbo.properties</code></p>
 <p>You can add Simple Monitor as a monitor center, the default discovery strategy is Multicast by configuration center broadcast, display the dependency relationship, call times and cost</p>
 <p>You can use Zookeeper instead of Multicast as the configuration center, after Zookeeper Registry installation, modify <code>conf/dubbo.properties</code> under the installation directory of Demo Provider, Demo Consumer and Simple Monitor, change the value of <code>dubbo.registry.address</code> to <code>zookeeper://127.0.0.1:2181</code>(<code>redis://127.0.0.1:6379</code> for Redis Registry). the value for Simple Registry is <code>dubbo://127.0.0.1:9090</code></p>
 <p>Zookeeper configuration address is recommended</p>
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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>install demo provider</h1>
 <p>install:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo.git
 <span class="hljs-built_in">cd</span> incubator-dubbo
@@ -23,7 +23,7 @@
 <pre><code class="language-sh">resource/META-INFO.spring/dubbo-demo-provider.xml
 change dubbo:registery to a real registery server address, zookeeper is recommanded
 </code></pre>
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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>install Redis register center</h1>
 <p>Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> introductions, please refer to: <a href="http://dubbo.apache.org/books/dubbo-user-book-en/references/registry/redis.html">Redis application center manual</a>。</p>
 <p>you need an origin Redis server only, and change the value from <code>dubbo.registry.addrss</code> to <code>redis://127.0.0.1:6379</code> in <code>conf/dubbo.properties</code> of <a href="http://dubbo.apache.org/books/dubbo-user-book-en/quick-start.html">quick start</a></p>
 <p>Redis configuration center cluster <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> write multiple server in client side and read from a single server.</p>
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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>install Simple monitor center</h1>
 <h2>Step</h2>
 <p>install:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo-ops
@@ -70,7 +70,7 @@ <h2>NOTICE</h2>
 </li>
 </ol>
 </section>
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data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/en-us/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/en-us/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/en-us/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/en-us/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/en-us/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/en-us/docs/user/references/xml/dubbo-method.html" 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>install Simple configuration center</h1>
 <p>Simple Registry has not been well tested, may have bug, cluster is not supported, not recommended to use in production environment</p>
 <p>Install:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo-ops
@@ -62,7 +62,7 @@
 </li>
 </ol>
 </section>
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data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/en-us/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/en-us/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->Protocol configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item menu-item-level-3" data-reactid="198"><a href="/en-us/docs/user/references/protocol/introduction.html" target="_self" data-reactid="199">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="200"><a href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>install Zookeeper configuration center</h1>
 <p>zookeeper register center client version: <code>dubbo-2.3.3</code> and above<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p>Dubbo changes nothing of Zookeeper's server side, an original Zookeeper server is fine. All change happens while calling Zookeeper's client side</p>
 <p>install:</p>
@@ -81,7 +81,7 @@
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 </section>
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data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/en-us/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/en-us/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->Protocol configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item menu-item-level-3" data-reactid="198"><a href="/en-us/docs/user/references/protocol/introduction.html" target="_self" data-reactid="199">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="200"><a href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Ops console management</h1>
 <h2>Page search</h2>
 <p>If you need to manage a Dubbo service, you need to search it first and open it's management page</p>
 <p><img src="../sources/images/dubbo-search.png" alt="/admin-guide/images/dubbo-search.png"></p>
@@ -34,7 +34,7 @@ <h5>Dynamic configuration</h5>
 <h5>Weight adjustment</h5>
 <h5>Load balance</h5>
 <h5>Service owner</h5>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Tracking with Pinpoint</h1>
 <p>After using Dubbo to serve or integrate applications, assuming that a service backstage log shows an exception and that the service is invoked by multiple applications, it is often difficult to determine which application is called, and what is the cause of the problem, so we need a set of distributed tracking systems to quickly locate the problem. Pinpoint can help us quickly locate problems (of course, there are more than one solution).</p>
 <h2>What is Pinpoint</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a> is an APM (Application Performance Management) tool for large-scale distributed systems written in Java. Inspired by Dapper, Pinpoint provides a solution to help analyze the overall structure of the system and how components within them are interconnected by tracing transactions across distributed applications.</p>
@@ -383,7 +383,7 @@ <h3>Mixed view</h3>
 <p><img src="../sources/images/pinpoint-mixedview.png" alt="/admin-guide/images/pinpoint-mixedview.png"></p>
 <h3>Other</h3>
 <p>The example simply simulates the provision and call of Dubbo, and does not carry out the application of other middleware such as database. For detailed use, please refer to the Pinpoint document.</p>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Tracing Dubbo service with Apache Skywalking(incubator)</h1>
 <h2>Introduction to Apache Skywalking(Incubator)</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href="https://github.com/apache/incubator-skywalking">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking (incubating) supports multiple languages agent, for example <a href="https://github.com/apache/incubator-skywalking">Java</a>,<a href="https://github.com/OpenSkywalking/skywalking-netcore">.net core</a>,<a href="https://github.com/OpenSkywalking/skywalking-nodejs">Node.js</a> and <a href="https://github.com/OpenSkywalking/skywalking-go">Go</a>.</p>
 <p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from single application, TOP N services and servers, JVM, host and process info. The service view focuses on the operation of a single service portal and the upstream and downstream dependencies of this service and it helps the user to optimize and monitor a single service; the trace graph shows all the buried points of the invocation and the execution time of each burial point, and the alarm view is based on the configuration threshold for the application, server, service for real-time alarms</p>
@@ -27,10 +27,10 @@ <h4>API project</h4>
 }</p>
 <h4>Service provider project</h4>
 <p>package org.apache.skywalking.demo.provider;</p>
-<p>@Service(version = &quot;${demo.service.version}&quot;,
-application = &quot;${<a href="http://dubbo.application.id">dubbo.application.id</a>}&quot;,
-protocol = &quot;${<a href="http://dubbo.protocol.id">dubbo.protocol.id</a>}&quot;,
-registry = &quot;${<a href="http://dubbo.registry.id">dubbo.registry.id</a>}&quot;, timeout = 60000)
+<p>@Service(version = &quot;<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mrow><mi>d</mi><mi>e</mi><mi>m</mi><mi>o</mi><mi mathvariant="normal">.</mi><mi>s</mi><mi>e</mi><mi>r</mi><mi>v</mi><mi>i</mi><mi>c</mi><mi>e</mi><mi mathvariant="normal">.</mi><mi>v</mi><mi>e</mi><mi>r</mi><mi>s</mi><mi>i</mi><mi>o</mi><mi>n</mi></mrow><mi mathvariant="normal">&quot;</mi><mo separator="true">,</mo><mi>a</mi><mi>p</mi><mi>p</mi><mi>l</mi><mi>i</mi><mi>c</mi><mi>a</mi><mi>t</mi><mi>i</mi><mi>o</mi><mi>n</mi><mo>=</mo><mi mathvariant="normal">&quot;</mi></mrow><annotation encoding="application/x-tex">{demo.service.version}&quot;,
+	application = &quot;</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.69444em;"></span><span class="strut bottom" style="height:0.8888799999999999em;vertical-align:-0.19444em;"></span><span class="base textstyle uncramped"><span class="mord textstyle uncramped"><span class="mord mathit">d</span><span class="mord mathit">e</span><span class="mord mathit">m</span><span class="mord mathit">o</span><span class="mord mathrm">.</span><span class="mord mathit">s</span><span class="mord mathit">e</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit" style="margin-right:0.03588em;">v</span><span class="mord mathit">i</span><span class="mord mathit">c</span><span class="mord mathit">e</span><span class="mord mathrm">.</span><span class="mord mathit" style="margin-right:0.03588em;">v</span><span class="mord mathit">e</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit">s</span><span class="mord mathit">i</span><span class="mord mathit">o</span><span class="mord mathit">n</span></span><span class="mord mathrm">&quot;</span><span class="mpunct">,</span><span class="mord mathit">a</span><span class="mord mathit">p</span><span class="mord mathit">p</span><span class="mord mathit" style="margin-right:0.01968em;">l</span><span class="mord mathit">i</span><span class="mord mathit">c</span><span class="mord mathit">a</span><span class="mord mathit">t</span><span class="mord mathit">i</span><span class="mord mathit">o</span><span class="mord mathit">n</span><span class="mrel">=</span><span class="mord mathrm">&quot;</span></span></span></span>{<a href="http://dubbo.application.id">dubbo.application.id</a>}&quot;,
+protocol = &quot;<span class="katex"><span class="katex-mathml"><math><semantics><mrow><mrow><mi>d</mi><mi>u</mi><mi>b</mi><mi>b</mi><mi>o</mi><mi mathvariant="normal">.</mi><mi>p</mi><mi>r</mi><mi>o</mi><mi>t</mi><mi>o</mi><mi>c</mi><mi>o</mi><mi>l</mi><mi mathvariant="normal">.</mi><mi>i</mi><mi>d</mi></mrow><mi mathvariant="normal">&quot;</mi><mo separator="true">,</mo><mi>r</mi><mi>e</mi><mi>g</mi><mi>i</mi><mi>s</mi><mi>t</mi><mi>r</mi><mi>y</mi><mo>=</mo><mi mathvariant="normal">&quot;</mi></mrow><annotation encoding="application/x-tex">{dubbo.protocol.id}&quot;,
+	registry = &quot;</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.69444em;"></span><span class="strut bottom" style="height:0.8888799999999999em;vertical-align:-0.19444em;"></span><span class="base textstyle uncramped"><span class="mord textstyle uncramped"><span class="mord mathit">d</span><span class="mord mathit">u</span><span class="mord mathit">b</span><span class="mord mathit">b</span><span class="mord mathit">o</span><span class="mord mathrm">.</span><span class="mord mathit">p</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit">o</span><span class="mord mathit">t</span><span class="mord mathit">o</span><span class="mord mathit">c</span><span class="mord mathit">o</span><span class="mord mathit" style="margin-right:0.01968em;">l</span><span class="mord mathrm">.</span><span class="mord mathit">i</span><span class="mord mathit">d</span></span><span class="mord mathrm">&quot;</span><span class="mpunct">,</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit">e</span><span class="mord mathit" style="margin-right:0.03588em;">g</span><span class="mord mathit">i</span><span class="mord mathit">s</span><span class="mord mathit">t</span><span class="mord mathit" style="margin-right:0.02778em;">r</span><span class="mord mathit" style="margin-right:0.03588em;">y</span><span class="mrel">=</span><span class="mord mathrm">&quot;</span></span></span></span>{<a href="http://dubbo.registry.id">dubbo.registry.id</a>}&quot;, timeout = 60000)
 public class HelloServiceImpl implements HelloService {</p>
 <pre><code>public String sayHello(String name) {
 	LockSupport.parkNanos(TimeUnit.SECONDS.toNanos(1));
@@ -111,7 +111,7 @@ <h3>Trace</h3>
 <img src="../sources/images/skywalking-span-Info.png" alt="/admin-guide/images/skywalking-span-Info.png"></p>
 <h3>Alarm view</h3>
 <p><img src="../sources/images/skywalking-alarm.png" alt="/admin-guide/images/skywalking-alarm.png"></p>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/admin/ops/skywalking.json b/en-us/docs/admin/ops/skywalking.json
index e65c1cb2f617..4b8aedde0f9c 100644
--- a/en-us/docs/admin/ops/skywalking.json
+++ b/en-us/docs/admin/ops/skywalking.json
@@ -1,4 +1,4 @@
 {
   "filename": "skywalking.md",
-  "__html": "<h1>Tracing Dubbo service with Apache Skywalking(incubator)</h1>\n<h2>Introduction to Apache Skywalking(Incubator)</h2>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking (incubating) supports multiple languages agent, for example <a href=\"https://github.com/apache/incubator-skywalking\">Java</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-netcore\">.net core</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-nodejs\">Node.js</a> and <a href=\"https://github.com/OpenSkywalking/skywalking-go\">Go</a>.</p>\n<p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from single application, TOP N services and servers, JVM, host and process info. The service view focuses on the operation of a single service portal and the upstream and downstream dependencies of this service and it helps the user to optimize and monitor a single service; the trace graph shows all the buried points of the invocation and the execution time of each burial point, and the alarm view is based on the configuration threshold for the application, server, service for real-time alarms</p>\n<h2>Dubbo and Apache Skywalking(Incubator)</h2>\n<h3>Build the Dubbo demo  project</h3>\n<p>The Dubbo demo has been uploaded to the <a href=\"https://github.com/SkywalkingTest/dubbo-trace-example\">GitHub repository</a>.</p>\n<h4>API project</h4>\n<p>Service interface definition:\npackage org.apache.skywalking.demo.interfaces;</p>\n<p>public interface HelloService {\nString sayHello(String name);\n}</p>\n<h4>Service provider project</h4>\n<p>package org.apache.skywalking.demo.provider;</p>\n<p>@Service(version = &quot;${demo.service.version}&quot;,\napplication = &quot;${<a href=\"http://dubbo.application.id\">dubbo.application.id</a>}&quot;,\nprotocol = &quot;${<a href=\"http://dubbo.protocol.id\">dubbo.protocol.id</a>}&quot;,\nregistry = &quot;${<a href=\"http://dubbo.registry.id\">dubbo.registry.id</a>}&quot;, timeout = 60000)\npublic class HelloServiceImpl implements HelloService {</p>\n<pre><code>public String sayHello(String name) {\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(1));\n\treturn &quot;Hello, &quot; + name;\n}\n</code></pre>\n<p>}</p>\n<h4>Service consumer project</h4>\n<p>package org.apache.skywalking.demo.consumer;</p>\n<p>@RestController\npublic class ConsumerController {</p>\n<pre><code>private static int COUNT = 0;\n\n@Reference(version = &quot;${demo.service.version}&quot;,\n\tapplication = &quot;${dubbo.application.id}&quot;,\n\turl = &quot;dubbo://localhost:20880&quot;, timeout = 60000)\nprivate HelloService helloService;\n\n@GetMapping(&quot;/sayHello/{name}&quot;)\npublic String sayHello(@PathVariable(name = &quot;name&quot;) String name) {\n\tif ((COUNT++) % 3 == 0){\n\t\tthrow new RuntimeException();\n\t}\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(2));\n\treturn helloService.sayHello(name);\n}\n</code></pre>\n<p>}</p>\n<h3>Deploy Apache Skywalking(incubator)</h3>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (Incubator)</a> offers  two deployment modes: single-node mode and cluster mode,Here is  the single-node mode deployment step, and more about how to deploy skywalking with cluster mode, please reference <a href=\"https://github.com/apache/incubator-skywalking/blob/master/docs/en/Deploy-backend-in-cluster-mode.md\">document</a>.</p>\n<h4>Third-party components</h4>\n<ol>\n<li>JDK 8+</li>\n<li>Elasticsearch 5.x</li>\n</ol>\n<h4>Deployment step</h4>\n<ol>\n<li>Download <a href=\"http://skywalking.apache.org/downloads/\">Apache Skywalking Collector</a></li>\n<li>Deploy Elasticsearch service\n<ul>\n<li>Set <code>cluster.name</code> to <code>CollectorDBCluster</code></li>\n<li>Set <code>network.host</code> to <code>0.0.0.0</code></li>\n<li>Start elasticsearch service</li>\n</ul>\n</li>\n<li>Unzip and start the Skywalking Collector. Run the ' bin/startup.sh ' command to start skywalking Collector</li>\n</ol>\n<h4>Deploy the demo</h4>\n<p>Before you deploy the demo service, please run the following command:</p>\n<pre><code>./mvnw clean package\n</code></pre>\n<h4>Deploy the provider service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-provider -Dskywalking.collector.servers=localhost:10800 dubbo-provider/target/dubbo-provider.jar\n</code></pre>\n<h4>Deploy the consumer service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-consumer -Dskywalking.collector.servers=localhost:10800 dubbo-consumer/target/dubbo-consumer.jar \n</code></pre>\n<h4>visit demo service</h4>\n<pre><code>curl http://localhost:8080/sayHello/test\n</code></pre>\n<h2>Skywalking scren snapshot</h2>\n<h3>Dashboard</h3>\n<p><img src=\"../sources/images/skywalking-dashboard.png\" alt=\"/admin-guide/images/skywalking-dashboard.png\"></p>\n<h3>Topology</h3>\n<p><img src=\"../sources/images/skywalking-topology.png\" alt=\"/admin-guide/images/skywalking-topology.png\"></p>\n<h3>Application view</h3>\n<p><img src=\"../sources/images/skywalking-application.png\" alt=\"/admin-guide/images/skywalking-application.png\"></p>\n<p>JVM Information\n<img src=\"../sources/images/skywalking-application_instance.png\" alt=\"/admin-guide/images/skywalking-application_instance.png\"></p>\n<h3>Service view</h3>\n<p>Consumer side\n<img src=\"../sources/images/skywalking-service-consumer.png\" alt=\"/admin-guide/images/skywalking-service-consumer.png\"></p>\n<p>provider side\n<img src=\"../sources/images/skywalking-service-provider.png\" alt=\"/admin-guide/images/skywalking-service-provider.png\"></p>\n<h3>Trace</h3>\n<p><img src=\"../sources/images/skywalking-trace.png\" alt=\"/admin-guide/images/skywalking-trace.png\"></p>\n<p>Span info\n<img src=\"../sources/images/skywalking-span-Info.png\" alt=\"/admin-guide/images/skywalking-span-Info.png\"></p>\n<h3>Alarm view</h3>\n<p><img src=\"../sources/images/skywalking-alarm.png\" alt=\"/admin-guide/images/skywalking-alarm.png\"></p>\n"
+  "__html": "<h1>Tracing Dubbo service with Apache Skywalking(incubator)</h1>\n<h2>Introduction to Apache Skywalking(Incubator)</h2>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache Skywalking(Incubator)</a>  is the APM system that it designed for micro-services architectures and cloud native architecture systems and supports distribute tracking. <a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (incubator)</a> collects and analyzes the trace data and generates the relationship between the application and the service metric, Apache skywalking (incubating) supports multiple languages agent, for example <a href=\"https://github.com/apache/incubator-skywalking\">Java</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-netcore\">.net core</a>,<a href=\"https://github.com/OpenSkywalking/skywalking-nodejs\">Node.js</a> and <a href=\"https://github.com/OpenSkywalking/skywalking-go\">Go</a>.</p>\n<p>Currently, Skywalking has supported analysis the operation of distributed systems from 6 visual dimensions. The overview view is a global view of your applications and components, including the number of components and applications, application alarm fluctuations, slow service lists, and application throughput; The topology shows the topological relationship of the whole application; The application view represents the upstream and downstream relationship of the application from single application, TOP N services and servers, JVM, host and process info. The service view focuses on the operation of a single service portal and the upstream and downstream dependencies of this service and it helps the user to optimize and monitor a single service; the trace graph shows all the buried points of the invocation and the execution time of each burial point, and the alarm view is based on the configuration threshold for the application, server, service for real-time alarms</p>\n<h2>Dubbo and Apache Skywalking(Incubator)</h2>\n<h3>Build the Dubbo demo  project</h3>\n<p>The Dubbo demo has been uploaded to the <a href=\"https://github.com/SkywalkingTest/dubbo-trace-example\">GitHub repository</a>.</p>\n<h4>API project</h4>\n<p>Service interface definition:\npackage org.apache.skywalking.demo.interfaces;</p>\n<p>public interface HelloService {\nString sayHello(String name);\n}</p>\n<h4>Service provider project</h4>\n<p>package org.apache.skywalking.demo.provider;</p>\n<p>@Service(version = &quot;<span class=\"katex\"><span class=\"katex-mathml\"><math><semantics><mrow><mrow><mi>d</mi><mi>e</mi><mi>m</mi><mi>o</mi><mi mathvariant=\"normal\">.</mi><mi>s</mi><mi>e</mi><mi>r</mi><mi>v</mi><mi>i</mi><mi>c</mi><mi>e</mi><mi mathvariant=\"normal\">.</mi><mi>v</mi><mi>e</mi><mi>r</mi><mi>s</mi><mi>i</mi><mi>o</mi><mi>n</mi></mrow><mi mathvariant=\"normal\">&quot;</mi><mo separator=\"true\">,</mo><mi>a</mi><mi>p</mi><mi>p</mi><mi>l</mi><mi>i</mi><mi>c</mi><mi>a</mi><mi>t</mi><mi>i</mi><mi>o</mi><mi>n</mi><mo>=</mo><mi mathvariant=\"normal\">&quot;</mi></mrow><annotation encoding=\"application/x-tex\">{demo.service.version}&quot;,\n\tapplication = &quot;</annotation></semantics></math></span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"strut\" style=\"height:0.69444em;\"></span><span class=\"strut bottom\" style=\"height:0.8888799999999999em;vertical-align:-0.19444em;\"></span><span class=\"base textstyle uncramped\"><span class=\"mord textstyle uncramped\"><span class=\"mord mathit\">d</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\">m</span><span class=\"mord mathit\">o</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\">s</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">v</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">c</span><span class=\"mord mathit\">e</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">v</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\">s</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">n</span></span><span class=\"mord mathrm\">&quot;</span><span class=\"mpunct\">,</span><span class=\"mord mathit\">a</span><span class=\"mord mathit\">p</span><span class=\"mord mathit\">p</span><span class=\"mord mathit\" style=\"margin-right:0.01968em;\">l</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">c</span><span class=\"mord mathit\">a</span><span class=\"mord mathit\">t</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">n</span><span class=\"mrel\">=</span><span class=\"mord mathrm\">&quot;</span></span></span></span>{<a href=\"http://dubbo.application.id\">dubbo.application.id</a>}&quot;,\nprotocol = &quot;<span class=\"katex\"><span class=\"katex-mathml\"><math><semantics><mrow><mrow><mi>d</mi><mi>u</mi><mi>b</mi><mi>b</mi><mi>o</mi><mi mathvariant=\"normal\">.</mi><mi>p</mi><mi>r</mi><mi>o</mi><mi>t</mi><mi>o</mi><mi>c</mi><mi>o</mi><mi>l</mi><mi mathvariant=\"normal\">.</mi><mi>i</mi><mi>d</mi></mrow><mi mathvariant=\"normal\">&quot;</mi><mo separator=\"true\">,</mo><mi>r</mi><mi>e</mi><mi>g</mi><mi>i</mi><mi>s</mi><mi>t</mi><mi>r</mi><mi>y</mi><mo>=</mo><mi mathvariant=\"normal\">&quot;</mi></mrow><annotation encoding=\"application/x-tex\">{dubbo.protocol.id}&quot;,\n\tregistry = &quot;</annotation></semantics></math></span><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"strut\" style=\"height:0.69444em;\"></span><span class=\"strut bottom\" style=\"height:0.8888799999999999em;vertical-align:-0.19444em;\"></span><span class=\"base textstyle uncramped\"><span class=\"mord textstyle uncramped\"><span class=\"mord mathit\">d</span><span class=\"mord mathit\">u</span><span class=\"mord mathit\">b</span><span class=\"mord mathit\">b</span><span class=\"mord mathit\">o</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\">p</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">t</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\">c</span><span class=\"mord mathit\">o</span><span class=\"mord mathit\" style=\"margin-right:0.01968em;\">l</span><span class=\"mord mathrm\">.</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">d</span></span><span class=\"mord mathrm\">&quot;</span><span class=\"mpunct\">,</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\">e</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">g</span><span class=\"mord mathit\">i</span><span class=\"mord mathit\">s</span><span class=\"mord mathit\">t</span><span class=\"mord mathit\" style=\"margin-right:0.02778em;\">r</span><span class=\"mord mathit\" style=\"margin-right:0.03588em;\">y</span><span class=\"mrel\">=</span><span class=\"mord mathrm\">&quot;</span></span></span></span>{<a href=\"http://dubbo.registry.id\">dubbo.registry.id</a>}&quot;, timeout = 60000)\npublic class HelloServiceImpl implements HelloService {</p>\n<pre><code>public String sayHello(String name) {\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(1));\n\treturn &quot;Hello, &quot; + name;\n}\n</code></pre>\n<p>}</p>\n<h4>Service consumer project</h4>\n<p>package org.apache.skywalking.demo.consumer;</p>\n<p>@RestController\npublic class ConsumerController {</p>\n<pre><code>private static int COUNT = 0;\n\n@Reference(version = &quot;${demo.service.version}&quot;,\n\tapplication = &quot;${dubbo.application.id}&quot;,\n\turl = &quot;dubbo://localhost:20880&quot;, timeout = 60000)\nprivate HelloService helloService;\n\n@GetMapping(&quot;/sayHello/{name}&quot;)\npublic String sayHello(@PathVariable(name = &quot;name&quot;) String name) {\n\tif ((COUNT++) % 3 == 0){\n\t\tthrow new RuntimeException();\n\t}\n\tLockSupport.parkNanos(TimeUnit.SECONDS.toNanos(2));\n\treturn helloService.sayHello(name);\n}\n</code></pre>\n<p>}</p>\n<h3>Deploy Apache Skywalking(incubator)</h3>\n<p><a href=\"https://github.com/apache/incubator-skywalking\">Apache skywalking (Incubator)</a> offers  two deployment modes: single-node mode and cluster mode,Here is  the single-node mode deployment step, and more about how to deploy skywalking with cluster mode, please reference <a href=\"https://github.com/apache/incubator-skywalking/blob/master/docs/en/Deploy-backend-in-cluster-mode.md\">document</a>.</p>\n<h4>Third-party components</h4>\n<ol>\n<li>JDK 8+</li>\n<li>Elasticsearch 5.x</li>\n</ol>\n<h4>Deployment step</h4>\n<ol>\n<li>Download <a href=\"http://skywalking.apache.org/downloads/\">Apache Skywalking Collector</a></li>\n<li>Deploy Elasticsearch service\n<ul>\n<li>Set <code>cluster.name</code> to <code>CollectorDBCluster</code></li>\n<li>Set <code>network.host</code> to <code>0.0.0.0</code></li>\n<li>Start elasticsearch service</li>\n</ul>\n</li>\n<li>Unzip and start the Skywalking Collector. Run the ' bin/startup.sh ' command to start skywalking Collector</li>\n</ol>\n<h4>Deploy the demo</h4>\n<p>Before you deploy the demo service, please run the following command:</p>\n<pre><code>./mvnw clean package\n</code></pre>\n<h4>Deploy the provider service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-provider -Dskywalking.collector.servers=localhost:10800 dubbo-provider/target/dubbo-provider.jar\n</code></pre>\n<h4>Deploy the consumer service</h4>\n<pre><code>java -jar -javaagent:$AGENT_PATH/skywalking-agent.jar -Dskywalking.agent.application_code=dubbo-consumer -Dskywalking.collector.servers=localhost:10800 dubbo-consumer/target/dubbo-consumer.jar \n</code></pre>\n<h4>visit demo service</h4>\n<pre><code>curl http://localhost:8080/sayHello/test\n</code></pre>\n<h2>Skywalking scren snapshot</h2>\n<h3>Dashboard</h3>\n<p><img src=\"../sources/images/skywalking-dashboard.png\" alt=\"/admin-guide/images/skywalking-dashboard.png\"></p>\n<h3>Topology</h3>\n<p><img src=\"../sources/images/skywalking-topology.png\" alt=\"/admin-guide/images/skywalking-topology.png\"></p>\n<h3>Application view</h3>\n<p><img src=\"../sources/images/skywalking-application.png\" alt=\"/admin-guide/images/skywalking-application.png\"></p>\n<p>JVM Information\n<img src=\"../sources/images/skywalking-application_instance.png\" alt=\"/admin-guide/images/skywalking-application_instance.png\"></p>\n<h3>Service view</h3>\n<p>Consumer side\n<img src=\"../sources/images/skywalking-service-consumer.png\" alt=\"/admin-guide/images/skywalking-service-consumer.png\"></p>\n<p>provider side\n<img src=\"../sources/images/skywalking-service-provider.png\" alt=\"/admin-guide/images/skywalking-service-provider.png\"></p>\n<h3>Trace</h3>\n<p><img src=\"../sources/images/skywalking-trace.png\" alt=\"/admin-guide/images/skywalking-trace.png\"></p>\n<p>Span info\n<img src=\"../sources/images/skywalking-span-Info.png\" alt=\"/admin-guide/images/skywalking-span-Info.png\"></p>\n<h3>Alarm view</h3>\n<p><img src=\"../sources/images/skywalking-alarm.png\" alt=\"/admin-guide/images/skywalking-alarm.png\"></p>\n"
 }
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@@ -12,9 +12,9 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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 <p>This book dives into the design principles of dubbo, mainly covers the following topics: extension, coding styles, versio, build, etc.</p>
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class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/en-us/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/en-us/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/en-us/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/en-us/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/en-us/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/en-us/docs/user/references/xml/dubbo-method.html" 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>SPI Loading</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1365010106"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>SPI Loading</h1>
 <h2>SPI Config</h2>
 <h3>Source：</h3>
 <p>Dubbo SPI is inherited from standard JDK SPI(Service Provider Interface) and makes it more powerful.</p>
@@ -183,7 +183,7 @@ <h3>SPI Auto Activation</h3>
 </li>
 </ol>
 </section>
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index 1657c699c54e..ed686ba3fea7 100644
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@@ -12,7 +12,7 @@
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 </head>
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target="_self" data-reactid="131">Stickness connections</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/en-us/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">Token authorization</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/en-us/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">Routing rule</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/en-us/docs/user/demos/config-rule.html" target="_self" data-reactid="137">Configuration rule</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/en-us/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">Service downgrade</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/en-us/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">Graceful shutdown</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/en-us/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/en-us/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/en-us/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/en-us/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/en-us/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/en-us/docs/user/references/xml/dubbo-method.html" 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Summary</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1990213950"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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 <ul>
 <li><a href="./build.md">1 How To Build</a></li>
 <li><a href="./design.md">2 Architecture</a></li>
@@ -56,7 +56,7 @@
 <li><a href="./code-smell.md">12 Code Smell</a></li>
 <li><a href="./TCK.md">13 TCK</a></li>
 </ul>
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@@ -12,7 +12,7 @@
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Compatibility test</h1>
 <p>Dubbo's protocol, communication, serialization, registry, load balancing and other SPI all offer alternative strategies for different application scenarios while our test cases are very scattered. Ours is always uncertain whether it can satisfy the complete contract of the extension point when users need to add a new implementation.</p>
 <p>Thus we need to use TCK (Technology Compatibility Kit) for the core extension points.  When users add a new implementaion, compatibility with the rest of the framework can be ensured with TCK. This can effectively improve the overall health and also facilitate the access of the third party extenders, which accelerates the maturity of the open source community.</p>
 <p>Xingzhi from the open source community is already working on this part. His preliminary idea is to build a TCK framework for Dubbo drawing on the CDI-TCK of JBoss first, then realize the TCK implementing case of Dubbo.</p>
@@ -26,7 +26,7 @@ <h4>Registry TCK</h4>
 <blockquote>
 <p>TODO</p>
 </blockquote>
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Source Code Build</h1>
 <h2>Checkout</h2>
 <p>checkout the lastest project source code with commands blow:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo.git dubbo
@@ -54,7 +54,7 @@ <h3>Eclipse</h3>
 </code></pre>
 <p>1: view the source code through <a href="https://github.com/apache/incubator-dubbo">https://github.com/apache/incubator-dubbo</a>
 2: path under UNIX is ${HOME}/.m2/repository, path under Windows is C:\Documents and Settings&lt;user&gt;.m2\repository</p>
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index 898b3a67cfcc..f25fa32c3c20 100644
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+++ b/en-us/docs/dev/checklist.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Checklist</h1>
 <h2>Checklist before release</h2>
 <ul>
 <li>github milestones</li>
@@ -31,7 +31,7 @@ <h2>Checklist for bigfix versions</h2>
 <li>Complete javadoc and comment in code</li>
 <li>Manager for every version, responsible for scope and check</li>
 </ul>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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 <p>Ugly Dubbo design or implementation will be record here.</p>
 <h2>URL Convertion</h2>
 <h3>1. Point to Point Service export and refer</h3>
@@ -140,7 +140,7 @@ <h2>provider selecting logic</h2>
 <li>If all providers are not available , rescan the list(not choosen invoker first),juding if any provider is available, if existing,doing the invocatiion.</li>
 <li>If no available provider in stage 3, then the next invoker of the invoker of stage 1 will be choosen(if not the last one),avoiding collision.</li>
 </ol>
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index 430848209b7f..010a8c8f9c2f 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1495223592"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Coding convention</h1>
 <h2>Code style</h2>
 <p>The source and JavaDoc of Dubbo follow below specifications:</p>
 <ul>
@@ -71,7 +71,7 @@ <h2>Module and packaging</h2>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/dev/contract.html b/en-us/docs/dev/contract.html
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+++ b/en-us/docs/dev/contract.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Public Agreement</h1>
 <p>This document is Dubbo public agreement, we expect all extension points comply with it.</p>
 <h2>URL</h2>
 <ul>
@@ -25,7 +25,7 @@ <h2>Logging</h2>
 <li>Print <code>WARN</code> log for recoverable exception or transient state inconsistency.</li>
 <li>Print <code>INFO</code> log for normally status.</li>
 </ul>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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@@ -12,7 +12,7 @@
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><style>
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@@ -375,7 +375,7 @@ <h2>Tasks</h2>
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-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Framework Design</h1>
 <h2>Overall design</h2>
 <p><img src="sources/images/dubbo-framework.jpg" alt="/dev-guide/images/dubbo-framework.jpg"></p>
 <p>Image description:</p>
@@ -94,7 +94,7 @@ <h2>Base design principle</h2>
 <li>Use URL to be the startdard format of config information, all extension points transfer config information by URL.</li>
 </ul>
 <p>More design principles refer to: <a href="./principals/introduction.md">Framework design principle</a></p>
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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Implementation details</h1>
 <h2>Initialization details</h2>
 <h3>Service parsing</h3>
 <p>Based on <code>META-INF/spring.handlers</code> config in dubbo.jar, Spring calls <code>DubboNamespaceHandler</code> when meeting dubbo namespace.</p>
@@ -111,7 +111,7 @@ <h3>Thread dispatch model</h3>
 </li>
 </ol>
 </section>
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+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/dev/impls/cache.html b/en-us/docs/dev/impls/cache.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Cache Extension</h1>
 <h2>Summary</h2>
 <p>Cache the return value, use request parameter as the key.</p>
 <h2>Extension Interface</h2>
@@ -75,7 +75,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.cache.CacheFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxCacheFactory
 </code></pre>
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diff --git a/en-us/docs/dev/impls/cluster.html b/en-us/docs/dev/impls/cluster.html
index 62eca1ad06a0..42b9fcff8f25 100644
--- a/en-us/docs/dev/impls/cluster.html
+++ b/en-us/docs/dev/impls/cluster.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Cluster Extension</h1>
 <h2>Summary</h2>
 <p>Group service providers in a cluster, and treat them as one single provider.</p>
 <h2>Extension Interface</h2>
@@ -69,7 +69,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.Cluster：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxCluster
 </code></pre>
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diff --git a/en-us/docs/dev/impls/compiler.html b/en-us/docs/dev/impls/compiler.html
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@@ -12,7 +12,7 @@
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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Compiler Extension</h1>
 <h2>Summary</h2>
 <p>Java compiler, used for byte code dynamic generation for RPC invocation.</p>
 <h2>Extension Interface</h2>
@@ -51,7 +51,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.compiler.Compiler：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxCompiler
 </code></pre>
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+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/dev/impls/container.html b/en-us/docs/dev/impls/container.html
index 9d49ea06e4de..3e0063d2c52b 100644
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@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Container Extension</h1>
 <h2>Summary</h2>
 <p>Service container extension, useful for loading custom contents.</p>
 <h2>Extension Interface</h2>
@@ -57,7 +57,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.container.Container：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxContainer
 </code></pre>
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diff --git a/en-us/docs/dev/impls/dispatcher.html b/en-us/docs/dev/impls/dispatcher.html
index 31a6c60393e2..b441f8aae596 100644
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Dispatcher Extension</h1>
 <h2>Summary</h2>
 <p>Thread pool dispatch strategy.</p>
 <h2>Extension Interface</h2>
@@ -57,7 +57,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.Dispatcher：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxDispatcher
 </code></pre>
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diff --git a/en-us/docs/dev/impls/exchanger.html b/en-us/docs/dev/impls/exchanger.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Exchanger Extension</h1>
 <h2>Summary</h2>
 <p>Exchange message between request and response on network transport layer.</p>
 <h2>Extension Interface</h2>
@@ -80,7 +80,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.exchange.Exchanger：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxExchanger
 </code></pre>
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diff --git a/en-us/docs/dev/impls/exporter-listener.html b/en-us/docs/dev/impls/exporter-listener.html
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>ExporterListener Extension</h1>
 <h2>Summary</h2>
 <p>Fire events when there's any service exported.</p>
 <h2>Extension Interface</h2>
@@ -58,7 +58,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.ExporterListener：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxExporterListener
 </code></pre>
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diff --git a/en-us/docs/dev/impls/extension-factory.html b/en-us/docs/dev/impls/extension-factory.html
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>ExtensionFactory Extension</h1>
 <h2>Summary</h2>
 <p>Factory to load dubbo extensions.</p>
 <h2>Extension Interface</h2>
@@ -52,7 +52,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.extension.ExtensionFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxExtensionFactory
 </code></pre>
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+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/dev/impls/filter.html b/en-us/docs/dev/impls/filter.html
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Filter Extension</h1>
 <h2>Summary</h2>
 <p>Extension for intercepting the invocation for both service provider and consumer, furthermore, most of functions in dubbo are implemented base on the same mechanism. Since every time when remote method is invoked, the filter extensions will be executed too, the corresponding penalty should be considered before more filters are added.</p>
 <p>Contract:</p>
@@ -84,7 +84,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.Filter：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxFilter
 </code></pre>
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diff --git a/en-us/docs/dev/impls/introduction.html b/en-us/docs/dev/impls/introduction.html
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>SPI Extension Implementations</h1>
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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>SPI Extension Implementations</h1>
 <p>SPI extension interface is used for system integration, it's also useful for dubbo contributor to extend dubbo functionality.</p>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>InvokerListener Extension</h1>
 <h2>Summary</h2>
 <p>Fire event when there's any service referenced.</p>
 <h2>Extension Interface</h2>
@@ -58,7 +58,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.InvokerListener：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxInvokerListener
 </code></pre>
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diff --git a/en-us/docs/dev/impls/load-balance.html b/en-us/docs/dev/impls/load-balance.html
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>LoadBalance Extension</h1>
 <h2>Summary</h2>
 <p>Pick one from service providers and fire the invocation.</p>
 <h2>Extension Interface</h2>
@@ -58,7 +58,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.LoadBalance：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxLoadBalance
 </code></pre>
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diff --git a/en-us/docs/dev/impls/logger-adapter.html b/en-us/docs/dev/impls/logger-adapter.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>LoggerAdapter Extension</h1>
 <h2>Summary</h2>
 <p>Extension for adapting logger output</p>
 <h2>Extension Interface</h2>
@@ -73,7 +73,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.logger.LoggerAdapter：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxLoggerAdapter
 </code></pre>
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diff --git a/en-us/docs/dev/impls/merger.html b/en-us/docs/dev/impls/merger.html
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Merger Extension</h1>
 <h2>Summary</h2>
 <p>Merge strategy for return result aggregation in group.</p>
 <h2>Extension Interface</h2>
@@ -54,7 +54,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.Merger：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxMerger
 </code></pre>
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diff --git a/en-us/docs/dev/impls/monitor.html b/en-us/docs/dev/impls/monitor.html
index 144a3f0f89fe..b88011d8985a 100644
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Monitor Extension</h1>
 <h2>Summary</h2>
 <p>Extension to monitor service invocation times and time taken for each service invocation.</p>
 <h2>Extension Interface</h2>
@@ -67,7 +67,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.monitor.MonitorFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxMonitorFactory
 </code></pre>
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diff --git a/en-us/docs/dev/impls/networker.html b/en-us/docs/dev/impls/networker.html
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+++ b/en-us/docs/dev/impls/networker.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Networker Extension</h1>
 <h2>Summary</h2>
 <p>Extension for peer to peer network grouping.</p>
 <h2>Extension Interface</h2>
@@ -54,7 +54,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.p2p.Networker：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxNetworker
 </code></pre>
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diff --git a/en-us/docs/dev/impls/page.html b/en-us/docs/dev/impls/page.html
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@@ -12,7 +12,7 @@
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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="701495758"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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react-text: 35 -->Preface<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/en-us/docs/user/preface/background.html" target="_self" data-reactid="39">Background</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/en-us/docs/user/preface/requirements.html" target="_self" data-reactid="41">Requirements</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/en-us/docs/user/preface/architecture.html" target="_self" data-reactid="43">Architecture</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/en-us/docs/user/preface/usage.html" target="_self" data-reactid="45">Usage</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/en-us/docs/user/quick-start.html" target="_self" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Page Extension</h1>
 <h2>Summary</h2>
 <p>Extension for page handler</p>
 <h2>Extension Interface</h2>
@@ -56,7 +56,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.container.page.PageHandler：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxPageHandler
 </code></pre>
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+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/dev/impls/protocol.html b/en-us/docs/dev/impls/protocol.html
index fdbf45b4a7ee..0d38214e6f6a 100644
--- a/en-us/docs/dev/impls/protocol.html
+++ b/en-us/docs/dev/impls/protocol.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Protocol Extension</h1>
 <h2>Summary</h2>
 <p>Extension to RPC protocol, hide details of remote call.</p>
 <p>Contract:</p>
@@ -139,7 +139,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.Protocol：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxProtocol
 </code></pre>
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diff --git a/en-us/docs/dev/impls/proxy-factory.html b/en-us/docs/dev/impls/proxy-factory.html
index 96d3b5b40f24..328b04c2754a 100644
--- a/en-us/docs/dev/impls/proxy-factory.html
+++ b/en-us/docs/dev/impls/proxy-factory.html
@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>ProxyFactory Extension</h1>
 <h2>Summary</h2>
 <p>Convert <code>Invoker</code> into business interface.</p>
 <h2>Extension Interface</h2>
@@ -60,7 +60,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.ProxyFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxProxyFactory
 </code></pre>
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diff --git a/en-us/docs/dev/impls/registry.html b/en-us/docs/dev/impls/registry.html
index dc2b7784a630..2dd5119f4a54 100644
--- a/en-us/docs/dev/impls/registry.html
+++ b/en-us/docs/dev/impls/registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Registry Extension</h1>
 <h2>Summary</h2>
 <p>Registry extension is used for service registration and discovery.</p>
 <h2>Extension Interface</h2>
@@ -189,7 +189,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.registry.RegistryFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxRegistryFactory
 </code></pre>
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diff --git a/en-us/docs/dev/impls/remoting.html b/en-us/docs/dev/impls/remoting.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Transporter Extension</h1>
 <h2>Summary</h2>
 <p>Transportation extension for communication between server and client.</p>
 <h2>Extension Interface</h2>
@@ -113,7 +113,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.Transporter：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxTransporter
 </code></pre>
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diff --git a/en-us/docs/dev/impls/router.html b/en-us/docs/dev/impls/router.html
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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1446678128"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Router Extension</h1>
 <h2>Summary</h2>
 <p>Pick one from service providers and fire the invocation.</p>
 <h2>Extension Interface</h2>
@@ -56,7 +56,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.RouterFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxRouterFactory
 </code></pre>
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diff --git a/en-us/docs/dev/impls/serialize.html b/en-us/docs/dev/impls/serialize.html
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+++ b/en-us/docs/dev/impls/serialize.html
@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Serialization Extension</h1>
 <h2>Summary</h2>
 <p>Extension to serializing java object into byte code stream for transporting on the network, and vise versa.</p>
 <h2>Extension Interface</h2>
@@ -69,7 +69,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.serialize.Serialization：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxSerialization
 </code></pre>
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diff --git a/en-us/docs/dev/impls/status-checker.html b/en-us/docs/dev/impls/status-checker.html
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@@ -12,7 +12,7 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>StatusChecker Extension</h1>
 <h2>Summary</h2>
 <p>Extension to check status of resources service depends on. This status checker can be used in both telnet status command and status page.</p>
 <h2>Extension Interface</h2>
@@ -59,7 +59,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.status.StatusChecker：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxStatusChecker
 </code></pre>
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diff --git a/en-us/docs/dev/impls/telnet-handler.html b/en-us/docs/dev/impls/telnet-handler.html
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@@ -12,7 +12,7 @@
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>TelnetHandler Extension</h1>
 <h2>Summary</h2>
 <p>Extension to telnet command. All server should support telnet access for operation convenience.</p>
 <h2>Extension Interface</h2>
@@ -69,7 +69,7 @@ <h2>用法</h2>
 <pre><code class="language-sh">telnet 127.0.0.1 20880
 dubbo&gt; xxx args
 </code></pre>
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+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/dev/impls/threadpool.html b/en-us/docs/dev/impls/threadpool.html
index 3517302503ad..7bb49816b144 100644
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+++ b/en-us/docs/dev/impls/threadpool.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>ThreadPool Extension</h1>
 <h2>Summary</h2>
 <p>Thread pool strategy extension for service provider. When server receives one request, it needs a thread from thread pool to execute business logic in service provider.</p>
 <h2>Extension Interface</h2>
@@ -55,7 +55,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.threadpool.ThreadPool：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxThreadPool
 </code></pre>
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diff --git a/en-us/docs/dev/impls/validation.html b/en-us/docs/dev/impls/validation.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Validation Extension</h1>
 <h2>Summary</h2>
 <p>Extension for parameter validation.</p>
 <h2>Extension Inteface</h2>
@@ -65,7 +65,7 @@ <h2>Extension Guide</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.validation.Validation：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxValidation
 </code></pre>
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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Versions</h1>
 <p><strong>New feature development</strong> and <strong>stability improvement</strong> are equally important to product. But adding new features will affect stability, dubbo uses the following version development pattern to achieve a good balance.</p>
 <h2>Two versions evolving at the same time</h2>
 <ul>
@@ -45,7 +45,7 @@ <h2>The responsibilities of users</h2>
 <li>Bugs find on GA will be fixed immediately.</li>
 <li>Comparing with the on-need-upgrade (only upgrade when find a serious problem, and may span multiple versions), upgrade periodically can flat risk. Experienced a long cycle of large projects, students will have such an experience, the tripartite library version does not upgrade for a long time, the result of the problem had to upgrade to the new version (across multiple versions) a huge risk.</li>
 </ul>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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 <p>The dubbo cookbook, covering almost all features of dubbo framework.</p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1821740567"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Summary</h1>
 <ul>
 <li><a href="./preface/index.md">1 Preface</a>
 <ul>
@@ -126,7 +126,7 @@
 <li><a href="./perf-test.md">16 Performance testing reports</a></li>
 <li><a href="./coveragence.md">17 Test coverage report</a></li>
 </ul>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Beanchmark testing tool installer</h1>
 <ul>
 <li>download： git clone <a href="https://github.com/apache/incubator-dubbo.git">https://github.com/apache/incubator-dubbo.git</a></li>
 <li>compile benchmark: cd incubator-dubbo/dubbo-test/dubbo-test-benchmark; mvn clean install</li>
@@ -52,7 +52,7 @@
 </li>
 </ul>
 <p>If you want to test the different versions of Dubbo, you can replace the jar of the Dubbo.</p>
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diff --git a/en-us/docs/user/best-practice.html b/en-us/docs/user/best-practice.html
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 <h2>Modularization</h2>
 <p>It is recommended to put service interfaces, service models, service exceptions, and so on in the API package,Because the service model and exception are part of the API, it is also in conformity with the modularization principle:Reusing the publish equivalence principle (REP) and the Common Reuse Principle (CRP).</p>
 <p>If you need, you can also consider placing a spring reference configuration in the API package, so that the user can only use the configuration in the spring loading process, and the configuration suggestion is placed in the package directory of the module, so as not to conflict, eg:<code>com/alibaba/china/xxx/dubbo-reference.xml</code>。</p>
@@ -44,7 +44,7 @@ <h2>Exception</h2>
 <h2>Call</h2>
 <p>Not just because it is a Dubbo call, wrap the call logic eith <code>try...catch</code>clause. <code>try...catch</code> should be added to the appropriate rollback boundary.</p>
 <p>The check logic for the input parameters should be available at the Provider side. For performance considerations, the service implementer may consider adding a service Stub class to the API package to complete the test.</p>
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diff --git a/en-us/docs/user/capacity-plan.html b/en-us/docs/user/capacity-plan.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Capacity plan</h1>
 <p>The following data for reference：</p>
 <h2>Use member service project of Dubbo</h2>
 <ul>
@@ -28,7 +28,7 @@ <h2>Use product authorization service project of Dubbo</h2>
 <li>The average load is less than 1 (For 8 core CPU, the load is very low)</li>
 <li>The average response time is  1.4 to 2.8 ms，Network cost about 1.0 to 1.1 ms(Related to the size of the packet )</li>
 </ul>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Annotation Configuration</h1>
 <p>Requires<code>2.5.7</code> or higher</p>
 <h2>Provider Side</h2>
 <h3><code>Service</code> annotation for exporting</h3>
@@ -99,7 +99,7 @@ <h2>NOTES</h2>
 <p>All annotations in 2.5.7 will be removed later, if you have used these annotations in your project, please upgrade to the latest version.</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:annotation</span> <span class="hljs-attr">package</span>=<span class="hljs-string">"com.alibaba.dubbo.test.service"</span> /&gt;</span> 
 </code></pre>
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diff --git a/en-us/docs/user/configuration/api.html b/en-us/docs/user/configuration/api.html
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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="240301834"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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target="_self" data-reactid="131">Stickness connections</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/en-us/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">Token authorization</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/en-us/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">Routing rule</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/en-us/docs/user/demos/config-rule.html" target="_self" data-reactid="137">Configuration rule</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/en-us/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">Service downgrade</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/en-us/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">Graceful shutdown</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>API Configuration</h1>
 <p>All API properties have counterparts in XML, see <a href="../references/xml/introduction.md">XML References</a> for details. For example <code>ApplicationConfig.setName(&quot;xxx&quot;)</code> equals to  <code>&lt;dubbo:application name=&quot;xxx&quot; /&gt;</code> <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>Provider Side</h2>
 <pre><code class="language-java"><span class="hljs-keyword">import</span> com.alibaba.dubbo.rpc.config.ApplicationConfig;
@@ -121,7 +121,7 @@ <h3>Peer to Peer</h3>
 </li>
 </ol>
 </section>
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diff --git a/en-us/docs/user/configuration/index.html b/en-us/docs/user/configuration/index.html
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@@ -12,8 +12,8 @@
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Configuration</h1>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="40189671"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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target="_self" data-reactid="131">Stickness connections</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/en-us/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">Token authorization</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/en-us/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">Routing rule</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/en-us/docs/user/demos/config-rule.html" target="_self" data-reactid="137">Configuration rule</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/en-us/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">Service downgrade</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/en-us/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">Graceful shutdown</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Properties Configuration</h1>
 <p>If your application is simple enough, say, you do not need multi-registries or multi-protocols, and you want to share configuration among Spring containers. You can use <code>dubbo.properties</code> as default configuration.</p>
 <p>Dubbo will load dubbo.properties under the root of classpath automatically, you can also specify the path for loading this file by using JVM parameter: <code>-Ddubbo.properties.file=xxx.properties</code>.</p>
 <h2>Mapping Rules</h2>
@@ -47,7 +47,7 @@ <h2>Overrides and Priorities</h2>
 </ul>
 <p>1: If more than one dubbo.properties under classpath, say, two jars contains dubbo.properties separately, Dubbo will arbitarily choose one to to load, and log Error info.<br>
 2: If <code>id</code> not configured on <code>protocol</code>, will use <code>name</code> property as default</p>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/user/configuration/xml.html b/en-us/docs/user/configuration/xml.html
index 9d056648a578..e65c59b64a5c 100644
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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>XML Configuration</h1>
 <p>About the XML configuration items, see：<a href="../references/xml/introduction.md">XML References</a>. If you prefer use API directly instead of using Spring, see <a href="./api.md">API Configuration</a>. Want a example of how to use configuration, see <a href="../quick-start.md">Quick Start</a>。</p>
 <h2>provider.xml demo</h2>
 <pre><code class="language-xml"><span class="php"><span class="hljs-meta">&lt;?</span>xml version=<span class="hljs-string">"1.0"</span> encoding=<span class="hljs-string">"UTF-8"</span><span class="hljs-meta">?&gt;</span></span>
@@ -121,7 +121,7 @@ <h2>Overrides and Priorities</h2>
 <p>Theoretically, almost all configuration items supported in ReferenceConfig can be configured with a default value using ConsumerConfig, ServiceConfig, ProviderConfig.</p>
 <p>1: Requires spring <code>3.2.16+</code>, see announcement for details：<code>xmlns:p=&quot;http://www.springframework.org/schema/p&quot;</code>  
 2: The reference bean obeys lazy init by default, only if it is refered by other beans or other instance try to get its instance using <code>getBean()</code> method  will the reference be initialized. If you need eager init, config this way: <code>&lt;dubbo:reference ... init=&quot;true&quot; /&gt;</code></p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Test coverage report</h1>
 <p>Based on version <code>2.0.12</code>，Statistics on 2012-02-03</p>
 <p><img src="sources/images/code-quality1.jpg" alt="/sources/images/code-quality1.jpg"></p>
 <p><img src="sources/images/code-quality2.jpg" alt="/sources/images/code-quality2.jpg"></p>
@@ -24,7 +24,7 @@
 <p><img src="sources/images/code-coverage.jpg" alt="/sources/images/code-coverage.jpg"></p>
 <p><img src="sources/images/code-tendency.jpg" alt="/sources/images/code-tendency.jpg"></p>
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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Access Log</h1>
 <p>If you want to logging the access information for each provide service,you can turn on the <code>accesslog</code> switch,which like the access log of <code>Apache</code>.</p>
 <p><strong>Note:</strong>
 The size of the access log maybe too much,please check the disk capacity.
@@ -56,7 +56,7 @@ <h2>Logging by specified file path</h2>
 <p>OR</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">accesslog</span>=<span class="hljs-string">"/home/admin/logs/service/accesslog.log"</span> <span class="hljs-attr">...</span>/&gt;</span>
 </code></pre>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Asynchronous Call</h1>
 <p>As dubbo is based on a non-blocking NIO network layer, the client can start parallel call to multiple remote services without explicitly starting mulithreads, which costs relatively fewer resources.</p>
 <p><img src="../sources/images/future.jpg" alt="/user-guide/images/future.jpg"></p>
 <p>You can config at <code>consumer.xml</code> for setup asynchronous call some remote service.</p>
@@ -56,7 +56,7 @@
 </code></pre>
 <p><strong>Note</strong>
 <code>2.0.6+</code> version supported.</p>
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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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react-text: 35 -->Preface<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/en-us/docs/user/preface/background.html" target="_self" data-reactid="39">Background</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/en-us/docs/user/preface/requirements.html" target="_self" data-reactid="41">Requirements</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/en-us/docs/user/preface/architecture.html" target="_self" data-reactid="43">Architecture</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/en-us/docs/user/preface/usage.html" target="_self" data-reactid="45">Usage</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/en-us/docs/user/quick-start.html" target="_self" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Implicit parameters</h1>
 <p>You can implicitly pass parameters between service consumers and providers via <code>setAttachment</code> and<code>getAttachment</code> on <code>RpcContext</code>.
 <img src="../sources/images/context.png" alt="/user-guide/images/context.png"></p>
 <h2>Set the implicit parameters at service consumer side</h2>
@@ -30,7 +30,7 @@ <h2>Fetch the implicit parameters at service provider side</h2>
     }
 }
 </code></pre>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Callback parameter</h1>
 <p>The parameter callback is the same as calling a local callback or listener, just declare which parameter is a callback type in Spring's configuration file, and Dubbo will generate a reverse proxy based on the long connection so that client logic can be called from the server.Can ref to <a href="https://github.com/apache/incubator-dubbo/tree/master/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/callback">Sample code in the dubbo project</a>.</p>
 <h2>Example of service interface</h2>
 <h3>CallbackService.java</h3>
@@ -103,7 +103,7 @@ <h2>Example of service consumer call</h2>
 });
 </code></pre>
 <p><strong>NOTE</strong> <code>2.0.6+</code> version supported.</p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Parallel control</h1>
 <h2>Example of configuration</h2>
 <ul>
 <li>Example 1: Control the concurrency of all method for a specified service interface at server-side</li>
@@ -58,7 +58,7 @@ <h2>Load Balance</h2>
 <p>OR</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.BarService"</span> <span class="hljs-attr">loadbalance</span>=<span class="hljs-string">"leastactive"</span> /&gt;</span>
 </code></pre>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-655224516"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Config connections</h1>
 <h2>Control connections at server-side</h2>
 <p>Limit server-side accept to no more than 10 connections</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:provider</span> <span class="hljs-attr">protocol</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">accepts</span>=<span class="hljs-string">"10"</span> /&gt;</span>
@@ -32,7 +32,7 @@ <h2>Control connections at client-side</h2>
 <ul>
 <li>: Because connection is connect on Server,so configure at Provider.</li>
 </ul>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Configure rule</h1>
 <p>Write then dynamic configuration to the registry center,This feature is usually done by the monitoring center or the center's page.</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
 Registry registry = registryFactory.getRegistry(URL.valueOf(<span class="hljs-string">"zookeeper://10.20.153.10:2181"</span>));
@@ -53,7 +53,7 @@
 </li>
 </ol>
 <p><strong>NOTE</strong>: <code>2.2.0+</code> version supported.</p>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Context Information</h1>
 <p>All environment information of during the current call will put into the context,and all configuration information will convert the parameters of <code>URL</code> instance,Ref to the column of <strong>URL parameters</strong> at the <a href="../references/xml/introduction.md">schema configuration reference book</a></p>
 <p><code>RpcContext</code> is a temporary status recorder of <code>ThreadLocal</code>,when accept <code>RPC</code> request or send <code>RPC</code> request,The <code>RpcContext</code> will be  changed.Such as: <code>A</code> call <code>B</code> and <code>B</code> call <code>C</code>. On <code>B</code> machine,before <code>B</code> call <code>C</code>,the <code>RpcContext</code> will record the information of <code>A</code> call <code>B</code>.After <code>B</code> call <code>C</code>,the <code>RpcContext</code> record the information of <code>B</code> call <code>C</code>.</p>
 <h2>At service consumer</h2>
@@ -42,7 +42,7 @@ <h2>At service provider</h2>
     }
 }
 </code></pre>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Delay publish service</h1>
 <p>If your service need time to warm up.such as:initialization cache,or another reference resources has to be <a href="http://ready.so">ready.so</a> you can use the delay feature for delay publish service.</p>
 <h2>Delay five second publish</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">delay</span>=<span class="hljs-string">"5000"</span> /&gt;</span>
@@ -41,7 +41,7 @@ <h4>Avoid ways</h4>
 <li>If you do not want to rely on the configuration order, you can use <code>&lt;dubbo:provider delay =&quot;-1&quot;/&gt;</code> to make Dubbo expose the service after the Spring container has been initialized.</li>
 <li>If you use getBean() extensively, the equivalent of degenerating Spring to factory mode is to isolate Dubbo's service from a separate Spring container.</li>
 </ol>
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data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Distributed transaction</h1>
 <p>Distributed transactions are based on the JTA / XA specification(this feature has not yet been implemented)</p>
 <p>Two-phase commit:</p>
 <p><img src="../sources/images/jta-xa.jpg" alt="/user-guide/images/jta-xa.jpg"></p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Dump</h1>
 <p>When the business thread pool is full, we need to know what resources/conditions are waiting for the thread , to find the bottleneck point of the system or abnormal point. <code>dubbo</code> automatically export thread stack through <code>Jstack</code> to keep the scene for easy to troubleshoot the problem.</p>
 <p>Default policy:</p>
 <ul>
@@ -27,7 +27,7 @@
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:parameter</span> <span class="hljs-attr">key</span>=<span class="hljs-string">"dump.directory"</span> <span class="hljs-attr">value</span>=<span class="hljs-string">"/tmp"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:application</span>&gt;</span>
 </code></pre>
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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Echo Testing</h1>
 <p>Echo testing is used for check the service is available,Echo testing is performed according to the normal request flow and is able to test whether the entire call is unobstructed and can be used for monitoring.</p>
 <p>All the services will be automatically implemented <code>EchoService</code> interface,just cast any service reference to <code>EchoService</code> to use it.</p>
 <p>Spring configuration:</p>
@@ -29,7 +29,7 @@
 
 <span class="hljs-keyword">assert</span>(status.equals(<span class="hljs-string">"OK"</span>));
 </code></pre>
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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Event Notify</h1>
 <p>Before calling, after calling, when an exception occurs,will trigger <code>oninvoke</code>, <code>onreturn</code>, <code>onthrow</code> events.You can configure which method to notify when an event occurs.</p>
 <h2>Service Interface</h2>
 <pre><code class="language-java"><span class="hljs-class"><span class="hljs-keyword">interface</span> <span class="hljs-title">IDemoService</span> </span>{
@@ -84,7 +84,7 @@ <h2>Testing code</h2>
 Assert.assertEquals(requestId, notify.ret.get(requestId).getId());
 </code></pre>
 <p><strong>NOTE</strong><code>2.0.7+</code> version,<code>async=false</code> is default.</p>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Explicit target</h1>
 <p>In the development and testing environment, it is often necessary to bypass the registry and test only designated service providers. In this case, point-to-point direct connection may be required, and the service provider will ignore the list of provider registration providers. The interface A configure Point-to-point, does not affect the B interface to obtain a list from the registry.</p>
 <p><img src="../sources/images/dubbo-directly.jpg" alt="/user-guide/images/dubbo-directly.jpg"></p>
 <h2>Configure with XML</h2>
@@ -31,7 +31,7 @@ <h2>Configure with the <code>.properties</code> file</h2>
 <pre><code class="language-properties">com.alibaba.xxx.XxxService=dubbo://localhost:20890
 </code></pre>
 <p><strong>NOTE</strong> To avoid complicating the online environment, do not use this feature online and should only be used during the testing phase</p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Fault Tolerance Strategy</h1>
 <p>Dubbo offers a variety of fault-tolerant scenarios when a cluster call fails, with a default failover retry.</p>
 <p><img src="../sources/images/cluster.jpg" alt="cluster"></p>
 <p>The relationship between nodes:</p>
@@ -55,7 +55,7 @@ <h2>Cluster mode configuration</h2>
 <p>OR</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">cluster</span>=<span class="hljs-string">"failsafe"</span> /&gt;</span>
 </code></pre>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Generic Reference</h1>
 <p>Generic invocation is mainly used when the client does not have API interface or model class,  all POJOs in parameters and return values are represented by <code>Map</code>.Commonly used for framework integration such as: implementing a common service testing framework, all service implementations can be invoked via <code>GenericService</code>.</p>
 <h2>Use generic invocation via Spring</h2>
 <p>Declared in the Spring configuration file <code>generic =&quot; true &quot;</code>：</p>
@@ -88,7 +88,7 @@ <h2>Further explanation of generalized types</h2>
 map.put(<span class="hljs-string">"name"</span>, <span class="hljs-string">"xxx"</span>);
 map.put(<span class="hljs-string">"password"</span>, <span class="hljs-string">"yyy"</span>);
 </code></pre>
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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Generic Service</h1>
 <p>The implementation of the generic interface is mainly used when there is no API interface and model class on the server side. All POJOs in the parameters and return values are represented by the Map and are usually used for framework integration. For example, to implement a universal remote service Mock framework, handle all service requests by implementing the GenericService interface.</p>
 <p>In Java code, implement <code>GenericService</code> interface：</p>
 <pre><code class="language-java"><span class="hljs-keyword">package</span> com.foo;
@@ -46,7 +46,7 @@ <h2>Export generic implements via API</h2>
 <span class="hljs-comment">// export service to registration center</span>
 service.export();
 </code></pre>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Graceful Shutdown</h1>
 <p>Dubbo is graceful shutdown through the <code>ShutdownHook</code> of the JDK, so graceful shutdowns are not performed if you force shutdown the command, such as <code>kill -9 PID</code>, and will only be executed if <code>kill PID</code> is passed.</p>
 <h2>Howto</h2>
 <h3>Service provider</h3>
@@ -33,7 +33,7 @@ <h2>Configuration shutdown wait time</h2>
 <p>If ShutdownHook does not take effect, you can call it yourself, <strong>in tomcat, it is recommended by extending the ContextListener and call the following code for graceful shutdown</strong>：</p>
 <pre><code class="language-java">ProtocolConfig.destroyAll();
 </code></pre>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Group Merger</h1>
 <p>According to the group to invoke server and return the merge result <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>, such as the menu service, the same interface, but there are a variety of implementations, using group distinction, consumers call each group and get the results, the merger can merge the resules, so that you can achieve aggregation Menu Item.</p>
 <p>Related code can refer to <a href="https://github.com/apache/incubator-dubbo/tree/master/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/merge">dubbo project example</a></p>
 <h2>Configuration</h2>
@@ -51,7 +51,7 @@ <h2>Configuration</h2>
 </li>
 </ol>
 </section>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Hostname Binding</h1>
 <h2>Lookup order</h2>
 <p>Default host IP lookup order：</p>
 <ul>
@@ -91,7 +91,7 @@ <h2>Port configuration</h2>
 </code></pre>
 </li>
 </ol>
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 <p><img src="../sources/images/check.gif" alt="warning">To complete run, please see:<a href="quickstart.md">Quickstart</a>, here just lists the configuration of various scenarios
 <img src="../sources/images/check.gif" alt="warning">The following examples are all based on Spring configuration:<a href="../configuration/xml.md">Xml configuration</a> for reference, if you do not want to use Spring, but want to be use it via the directly API, please see:<a href="../configuration/api.md">API configuration</a></p>
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Lazy Connect</h1>
 <p>Lazy connect can reduce the number of keep-alive connections. When a call is initiated, create a keep-alive connection.<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">lazy</span>=<span class="hljs-string">"true"</span> /&gt;</span>
 </code></pre>
@@ -23,7 +23,7 @@
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diff --git a/en-us/docs/user/demos/loadbalance.html b/en-us/docs/user/demos/loadbalance.html
index c4cae53fb605..8feb2c65cf03 100644
--- a/en-us/docs/user/demos/loadbalance.html
+++ b/en-us/docs/user/demos/loadbalance.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>LoadBalance</h1>
 <p>Dubbo offers a number of balancing strategies for cluster load balancing, which defaults to <code>random</code>.</p>
 <p>You can extend the load balancing strategy by yourself, see: <a href="../../dev/impls/load-balance.md">LoadBalance extension</a></p>
 <h2>LoadBalance strategy</h2>
@@ -57,7 +57,7 @@ <h3>Client method level</h3>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"..."</span> <span class="hljs-attr">loadbalance</span>=<span class="hljs-string">"roundrobin"</span>/&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:reference</span>&gt;</span>
 </code></pre>
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diff --git a/en-us/docs/user/demos/local-call.html b/en-us/docs/user/demos/local-call.html
index f53d00cf0895..1933627b247a 100644
--- a/en-us/docs/user/demos/local-call.html
+++ b/en-us/docs/user/demos/local-call.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1022583465"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Local call</h1>
 <p>The local call uses the <code>injvm</code> protocol, a pseudo-protocol that does not turn on the port, does not initiate remote calls, is directly associated within the JVM, but executes the Dubbo Filter chain.</p>
 <h2>Configuration</h2>
 <p>Configure <code>injvm</code> protocol</p>
@@ -37,7 +37,7 @@ <h2>Automatically exposed, local service references</h2>
 <p><code>2.2.0</code> or later, each service is exposed locally by default. When referring to the service, the local service is referenced by default. If you want to reference a remote service, you can use the following configuration to force a reference to a remote service.</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">...</span> <span class="hljs-attr">scope</span>=<span class="hljs-string">"remote"</span> /&gt;</span>
 </code></pre>
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diff --git a/en-us/docs/user/demos/local-mock.html b/en-us/docs/user/demos/local-mock.html
index 9ff2bad02b72..ed78e6845ac8 100644
--- a/en-us/docs/user/demos/local-mock.html
+++ b/en-us/docs/user/demos/local-mock.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Local mock</h1>
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Local mock</h1>
 <p>Local mock <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> is usually used for service downgrade, such as a verification service, the client does not throw an exception when the service provider hangs up all the time, but returns the authorization failed through the Mock data.</p>
 <p>Configured in the spring configuration file as follows:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.BarService"</span> <span class="hljs-attr">mock</span>=<span class="hljs-string">"true"</span> /&gt;</span>
@@ -49,7 +49,7 @@
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 </head>
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 <p>When using rpc, the client usually only the interface, but sometimes the client also want to perform part of the logic in the client. For example: do ThreadLocal cache, verify parameters, return mock data when call fails., etc.</p>
 <p>To solve this problem, you can configure the stub in the API, so that when the client generates the proxy instance, it passes the proxy to the <code>Stub</code> via the constructor <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>, and then you can implement your logic in the stub implementation code.</p>
 <p><img src="../sources/images/stub.jpg" alt="/user-guide/images/stub.jpg"></p>
@@ -52,7 +52,7 @@
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 <p><code>2.2.1</code> or later, dubbo support log4j、slf4j、jcl、jdk adapters <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>, you can also explicitly configure the log output policy in the following ways:</p>
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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Multiple protocols</h1>
 <p>Dubbo allows you to configure multiple protocols, support different protocols on different services, or support multiple protocols on the same service.</p>
 <h2>Every service export to one specific protocol separately</h2>
 <p>Different protocol performance is not the same. Such as big data should use short connection protocol, small data and concurrent should use long connection protocol.</p>
@@ -47,7 +47,7 @@ <h2>One service export to several protocols</h2>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"helloService"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.alibaba.hello.api.HelloService"</span> <span class="hljs-attr">version</span>=<span class="hljs-string">"1.0.0"</span> <span class="hljs-attr">protocol</span>=<span class="hljs-string">"dubbo,hessian"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">beans</span>&gt;</span>
 </code></pre>
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diff --git a/en-us/docs/user/demos/multi-registry.html b/en-us/docs/user/demos/multi-registry.html
index f28f24c3c548..dc4e557cf82f 100644
--- a/en-us/docs/user/demos/multi-registry.html
+++ b/en-us/docs/user/demos/multi-registry.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Multiple registries</h1>
 <p>Dubbo supports the same service to register multiple registries, or different services were registered to different registries, or even reference the same name service from different registries. In addition, the registry supports custom extensions <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <h2>One service register to multiple registries</h2>
 <p>For example: Alibaba some services are not deployed in Qingdao, only deployed in Hangzhou. While other applications in Qingdao need to reference this service, you can register your services to both registries at the same time.</p>
@@ -83,7 +83,7 @@ <h2>Reference services from multiple registries</h2>
 </li>
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diff --git a/en-us/docs/user/demos/multi-versions.html b/en-us/docs/user/demos/multi-versions.html
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Multi versions</h1>
 <p>When an interface to achieve an incompatible upgrade, you can use the version number transition. Different versions of the services do not reference each other.</p>
 <p>You can follow the steps below for version migration:</p>
 <ol start="0">
@@ -42,7 +42,7 @@
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/user/demos/netty4.html b/en-us/docs/user/demos/netty4.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><p>Add support for netty4 communication module in 2.5.6 version of dubbo, enabled as follows:</p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><p>Add support for netty4 communication module in 2.5.6 version of dubbo, enabled as follows:</p>
 <p>provider：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">server</span>=<span class="hljs-string">"netty4"</span> /&gt;</span>
 </code></pre>
@@ -44,7 +44,7 @@
 <li>We will provide a reference data on the performance test indicators and performance test comparison with the version of netty 3.</li>
 </ol>
 </blockquote>
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diff --git a/en-us/docs/user/demos/parameter-validation.html b/en-us/docs/user/demos/parameter-validation.html
index fc81ad1c7b29..645013681226 100644
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+++ b/en-us/docs/user/demos/parameter-validation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Parameter Validation</h1>
 <p>The parameter validation <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> is based on [JSR303] (<a href="https://jcp.org/en/jsr/detail?id=303">https://jcp.org/en/jsr/detail?id=303</a>). The user simply add the validation annotation of the JSR303 and declares the filter for validation <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>.</p>
 <h2>Maven Dependency</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
@@ -174,7 +174,7 @@ <h2>Validate Exception</h2>
 </li>
 </ol>
 </section>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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 <p>By default dubbo will check if the dependent service is available at startup . It will throw an exception to prevent Spring complete initialization when it is not available, so that you can find the problems early before publishing you application, the default setting: <code>check=true</code>.</p>
 <p>You can turn off checking by <code>check=false</code>. For example, some services do not care it when you run testing, or you must have one started firstly because of circular dependency.</p>
 <p>In addition, if your Spring bean is lazy-loaded or you delay reference service with API programming, turn off the check,
@@ -44,7 +44,7 @@ <h2>Configuration Meaning</h2>
 <p><code>dubbo.reference.check=false</code>,  Change the check value of all references forcibly, even if the configuration has a declaration, it also will be overwritten.</p>
 <p><code>dubbo.consumer.check=false</code>  The default value of <code>check</code>.  It will not be affected if there is an explicit declaration in the configuration such as<code></code>&lt;dubbo: reference check =&quot; true &quot;/&gt;`.</p>
 <p><code>dubbo.registry.check=false</code>, The two configuration above is to express success of the subscription. If the subscription is also allowed to start when the registration fails for the provider list is empty, you need to use this configuration. The system will try again in the background regularly.</p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>ReferenceConfig Cache</h1>
 <p>The instance of <code>ReferenceConfig</code> is heavy. It encapsulates the connection to the registry and the connection to the provider, so it need to be cached. Otherwise, repeatedly generating <code>ReferenceConfig</code> may cause performance problems , memory and connection leaks. This problem is easy to ignored when programming in API mode.</p>
 <p>Therefore, since <code>2.4.0</code>, dubbo provides a simple utility ReferenceConfigCache for caching instances of <code>ReferenceConfig</code>.</p>
 <p>Use as follows：</p>
@@ -36,7 +36,7 @@
 <pre><code class="language-java">KeyGenerator keyGenerator = <span class="hljs-keyword">new</span> ...
 ReferenceConfigCache cache = ReferenceConfigCache.getCache(keyGenerator );
 </code></pre>
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diff --git a/en-us/docs/user/demos/registry-only.html b/en-us/docs/user/demos/registry-only.html
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 <p>You have two mirroring environments, two registries.
 You have deployed one service at only one of the registries, another registries have not had time to deploy, and other applications at both registries need to rely on the service.
 At this time, the service provider registers service to another registrar, but the service consumers do not consume the service from another registrar.</p>
@@ -24,7 +24,7 @@
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"hzRegistry"</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.153.10:9090"</span> /&gt;</span>
 <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"qdRegistry"</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.141.150:9090?subscribe=false"</span> /&gt;</span>
 </code></pre>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Cache Result</h1>
 <p>Cache Result <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> is used to speed up access to popular data. Dubbo provides declarative caching to reduce the user work of adding cache <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>Cache Type</h2>
 <ul>
@@ -38,7 +38,7 @@ <h2>Configuration</h2>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Routing Rules</h1>
 <p>The routing rules <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> determine the target server of one service call. It has two kinds of routing rules: conditional routing rules and script routing rules. It also support extension<sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>.</p>
 <h2>Write Routing Rules</h2>
 <p>Writing routing rules to the registry is usually done by the monitoring center or the console page.</p>
@@ -187,7 +187,7 @@ <h3>Rules:</h3>
 </li>
 </ol>
 </section>
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diff --git a/en-us/docs/user/demos/serialization.html b/en-us/docs/user/demos/serialization.html
index 44a3d82ace8a..030b0c535896 100644
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h2><font size=6>Using Efficient Java Serialization in Dubbo (Kryo and FST)</font></h2>
 <h2>Start Kryo and FST</h2>
 <p><font size=3>Using Kryo and FST is very simple, just add an attribute to the dubbo RPC XML configurition:</font></p>
 <pre><code>&lt;dubbo:protocol name=&quot;dubbo&quot; serialization=&quot;kryo&quot;/&gt;
@@ -72,7 +72,7 @@ <h2>Register serialized class</h2>
 double[]
 </code></pre>
 <p><font size=3>Since registering serialized classes is only for performance optimization purposes, it doesn't matter if you forget to register some classes. In fact, Kryo and FST generally perform better than Hessian and Dubbo serializations even if no classes are registered.</font></p>
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Service container</h1>
 <p>The service container is a standalone launcher because the backend service does not require the functionality of a Web container ,such as Tomcat or JBoss. If you insist on using web containers to load service providers, that increase complexity and is waste of resources.</p>
 <p>The service container is just a simple Main method and loads a simple Spring container to expose the service.</p>
 <p>The content of Service container can be extended, built-in spring, jetty, log4j etc..  This can be expanded with <a href="http://dubbo.apache.org/books/dubbo-dev-book-en/impls/container.html">Container Extension Points</a>. Configure it with the -D parameter in the java command or <code>dubbo.properties</code>.</p>
@@ -60,7 +60,7 @@ <h2>Container startup</h2>
 <p>Load the container that passed in by <code>dubbo.properties</code> in the classpath.</p>
 <pre><code>dubbo.container=spring,jetty,log4j
 </code></pre>
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+++ b/en-us/docs/user/demos/service-downgrade.html
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 <p>You can temporarilly shield a non-critical service through the service downgrade and define the return policy for it.</p>
 <p>Publish dynamic configuration rule to the registry:</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
@@ -27,7 +27,7 @@
 <p>Also you can change that configuration to <code>mock=fail:return+null</code>.Then you will get null value after a failed call.Consumer will try to make a remote call to get the truely result if succeed,and if the call failed you will get null value.Usually used to tolerate some non-critical services.</p>
 </li>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Service Group</h1>
 <p>When you have multi-impls of a interface,you can distinguish them with the group.</p>
 <h2>Service</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">group</span>=<span class="hljs-string">"feedback"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.xxx.IndexService"</span> /&gt;</span>
@@ -32,7 +32,7 @@ <h2>Reference</h2>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/user/demos/static-service.html b/en-us/docs/user/demos/static-service.html
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 <ul>
 <li>Sometimes we want to manually manage the registration and deregistration for service provider, we need to set registry to non-dynamoic mode.</li>
 </ul>
@@ -27,7 +27,7 @@
 Registry registry = registryFactory.getRegistry(URL.valueOf(<span class="hljs-string">"zookeeper://10.20.153.10:2181"</span>));
 registry.register(URL.valueOf(<span class="hljs-string">"memcached://10.20.153.11/com.foo.BarService?category=providers&amp;dynamic=false&amp;application=foo"</span>));
 </code></pre>
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diff --git a/en-us/docs/user/demos/stickiness.html b/en-us/docs/user/demos/stickiness.html
index fad66918e55d..f7a4efd1c7e4 100644
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>stickiness</h1>
 <p>Sticky connections are used for stateful services, as much as possible so that clients always make calls to the same provider, unless the provider hangs up and connects to the other one.</p>
 <p>Sticky connections will automatically open <a href="./lazy-connect.md">Delayed Connections</a> to reduce the number of long connections.</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">sticky</span>=<span class="hljs-string">"true"</span> /&gt;</span>
 </code></pre>
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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Subscribe only</h1>
 <p>To facilitate the development of tests, it is common to have a registry of all services available in develop environment.And the registration of a service provider under development may affect consumers' inability to run.</p>
 <p>You can let service provider developers only subscribe to services only (services developed may rely on other services) ,don't register services under development and testing services under development with directly connection.</p>
 <p><img src="../sources/images/subscribe-only.jpg" alt="/user-guide/images/subscribe-only.jpg"></p>
@@ -22,7 +22,7 @@
 <p>or</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.153.10:9090?register=false"</span> /&gt;</span>
 </code></pre>
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diff --git a/en-us/docs/user/demos/thread-model.html b/en-us/docs/user/demos/thread-model.html
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Thread Model</h1>
 <h2>Thread Model</h2>
 <ul>
 <li>If events handing can be executed quickly without sending new request like marking in memory. Events should be handled by I/O thread since it reduces thread dispatching.</li>
@@ -37,7 +37,7 @@ <h2>Thread pool</h2>
 <li>cached: A cached thread pool. Automatically delete the thread when it’s in idle for one minute. Recreate when needed.</li>
 <li>limit: elastic thread pool. But it can only increase the size of the thread pool. The reason is to avoid performance issue caused by traffic spike when decrease the size of the thread pool.</li>
 </ul>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Token Authorization</h1>
 <p>Through the token authorization control center at the registry to decide whether to issue tokens to consumers, you can prevent consumers from bypassing the registry access provider, another through the registry can flexibly change the authorization without modification or upgrade provider</p>
 <p><img src="../sources/images/dubbo-token.jpg" alt="/user-guide/images/dubbo-token.jpg"></p>
 <p>You can turn on token authentication globally:</p>
@@ -39,7 +39,7 @@
 <pre><code class="language-xml"><span class="hljs-comment">&lt;!--Fixed token, equivalent to the password--&gt;</span>
 <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">token</span>=<span class="hljs-string">"123456"</span> /&gt;</span>
 </code></pre>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Dependencies</h1>
 <h2>Necessary dependencies</h2>
 <p>JDK 1.6+ <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>Default dependencies</h2>
@@ -74,7 +74,7 @@ <h2>Optinal dependencies</h2>
 </li>
 </ol>
 </section>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-553171198"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Maturity</h1>
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-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Performance test report</h1>
 <h2>Test instructions</h2>
 <ol start="0">
 <li>In this performance test, the performance of all Dubbo 2.0 supported protocols in different sizes and data types is tested and compared with the Dubbo 1.0.</li>
@@ -347,7 +347,7 @@ <h3>Test limitation analysis (optional)</h3>
 <p>This performance test examines the performance of the Dubbo itself, and the performance of the actual use needs to be verified.</p>
 <p>Because the performance of Dubbo itself is in millisecond and the base number is small, performance improvement may not change the performance of the application as a whole.</p>
 <p>All the monitoring charts are not listed because of the limit of length.</p>
-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/en-us/docs/user/preface/architecture.html b/en-us/docs/user/preface/architecture.html
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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1340784090"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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react-text: 35 -->Preface<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/en-us/docs/user/preface/background.html" target="_self" data-reactid="39">Background</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/en-us/docs/user/preface/requirements.html" target="_self" data-reactid="41">Requirements</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/en-us/docs/user/preface/architecture.html" target="_self" data-reactid="43">Architecture</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/en-us/docs/user/preface/usage.html" target="_self" data-reactid="45">Usage</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/en-us/docs/user/quick-start.html" target="_self" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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class="menu-item menu-item-level-3" data-reactid="84"><a href="/en-us/docs/user/demos/static-service.html" target="_self" data-reactid="85">Static service</a></li><li class="menu-item menu-item-level-3" data-reactid="86"><a href="/en-us/docs/user/demos/multi-protocols.html" target="_self" data-reactid="87">Multi-protocols</a></li><li class="menu-item menu-item-level-3" data-reactid="88"><a href="/en-us/docs/user/demos/multi-registry.html" target="_self" data-reactid="89">Multi-registries</a></li><li class="menu-item menu-item-level-3" data-reactid="90"><a href="/en-us/docs/user/demos/service-group.html" target="_self" data-reactid="91">Service group</a></li><li class="menu-item menu-item-level-3" data-reactid="92"><a href="/en-us/docs/user/demos/multi-versions.html" target="_self" data-reactid="93">Multi-versions</a></li><li class="menu-item menu-item-level-3" data-reactid="94"><a href="/en-us/docs/user/demos/group-merger.html" target="_self" data-reactid="95">Group merger</a></li><li 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target="_self" data-reactid="131">Stickness connections</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/en-us/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">Token authorization</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/en-us/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">Routing rule</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/en-us/docs/user/demos/config-rule.html" target="_self" data-reactid="137">Configuration rule</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/en-us/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">Service downgrade</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/en-us/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">Graceful shutdown</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Architecture</h1>
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-</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Background</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="61001679"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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react-text: 35 -->Preface<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/en-us/docs/user/preface/background.html" target="_self" data-reactid="39">Background</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/en-us/docs/user/preface/requirements.html" target="_self" data-reactid="41">Requirements</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/en-us/docs/user/preface/architecture.html" target="_self" data-reactid="43">Architecture</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/en-us/docs/user/preface/usage.html" target="_self" data-reactid="45">Usage</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/en-us/docs/user/quick-start.html" target="_self" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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target="_self" data-reactid="131">Stickness connections</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/en-us/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">Token authorization</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/en-us/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">Routing rule</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/en-us/docs/user/demos/config-rule.html" target="_self" data-reactid="137">Configuration rule</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/en-us/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">Service downgrade</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/en-us/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">Graceful shutdown</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Background</h1>
 <p>With the fast development of Internet, the scale of web applications expands unceasingly, and finally we find that the traditional vertical architecture(monolithic) can not handle this any more. Distributed service architecture and the flow computing architecture are imperative, and a governance system is urgently needed to ensure an orderly evolution of the architecture.</p>
 <p><img src="../sources/images/dubbo-architecture-roadmap.jpg" alt="image"></p>
 <h4>Monolithic architecture</h4>
@@ -23,7 +23,7 @@ <h4>Distributed service architecture</h4>
 <p>When there are more and more vertical applications, the interaction between applications is inevitable, some core businesses are extracted and served as independent services, which gradually forms a stable service center，this way the front-end application can respond to the changeable market demand more quickly. At this point, the distributed service framework (RPC) for business reuse and integration is the key.</p>
 <h4>Flow computing architecture</h4>
 <p>When there are more and more services, capacity evaluation becomes difficult, and also services with small scales often causes waste of resources. To solve these problems, a scheduling center should be added to manage the cluster capacity based on traffics and to improve the utilization of the cluster. At this time, the resource scheduling and governance centers (SOA), which are used to improve machine utilization, are the keys.</p>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Introduction</h1>
+</div></section><footer class="footer-container" data-reactid="363"><div class="footer-body" data-reactid="364"><img src="/img/dubbo_gray.png" data-reactid="365"/><img class="apache" src="/img/apache_logo.png" data-reactid="366"/><div class="cols-container" data-reactid="367"><div class="col col-12" data-reactid="368"><h3 data-reactid="369">Disclaimer</h3><p data-reactid="370">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="371"><dl data-reactid="372"><dt data-reactid="373">ASF</dt><dd data-reactid="374"><a href="http://www.apache.org" target="_self" data-reactid="375">Foundation</a></dd><dd data-reactid="376"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="377">License</a></dd><dd data-reactid="378"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="379">Events</a></dd><dd data-reactid="380"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="381">Sponsorship</a></dd><dd data-reactid="382"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="383">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="384"><dl data-reactid="385"><dt data-reactid="386">Documentation</dt><dd data-reactid="387"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="388">Quick start</a></dd><dd data-reactid="389"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="390">Developer guide</a></dd><dd data-reactid="391"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="392">Admin manual</a></dd></dl></div><div class="col col-4" data-reactid="393"><dl data-reactid="394"><dt data-reactid="395">Resources</dt><dd data-reactid="396"><a href="/en-us/blog/index.html" target="_self" data-reactid="397">Blog</a></dd><dd data-reactid="398"><a href="/en-us/community/index.html" target="_self" data-reactid="399">Community</a></dd></dl></div></div><div class="copyright" data-reactid="400"><span data-reactid="401">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Requirements</h1>
 <p><img src="../sources/images/dubbo-service-governance.jpg" alt="image"></p>
 <p>Before the advent of large-scare services, an application might just exposes or references remote service by using RMI or Hessian, the call is done by configuring serive URL, and load balance is done through hardwares, like F5.</p>
 <p><strong>When there are more and more services, it becomes very difficult to configure the service URL, the single point pressure of F5 hardware load balancer is also increasing.</strong> At this point, a service registry is needed to dynamically register and discover services to make the service's location transparent. By obtaining the list of service provider addresses in the consumer side, the soft load balancing and Failover can be realized, this reduces the dependence on the F5 hardware load balacer and some of the costs.</p>
 <p><strong>When things go further, the service dependencies become so complex that it can't even tell which applications to start before, even the architect can't fully describe the application architecture relationships</strong>. At this time, automatically draw the dependency diagram of the applications is needed to help the architect to be clear of the relationship.</p>
 <p><strong>Then, the traffic becomes even heavier, the capacity problem of the service is exposed, how many machines are needed to support this service? When should the machine be added?</strong> To solve these problems, first, the daily service calls and the amount of response time should be counted as a reference for capacity planning. Second, dynamically adjust the weight, increase the weight of an online machine, and recorded the response time changes until it reaches the threshold, record the visits times at this time, then multiply this number of visits by the total number of machines to calculate the capacity in turn.</p>
 <p>Above are the most basic requirements of Dubbo.</p>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Usage</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1715765231"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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react-text: 35 -->Preface<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/en-us/docs/user/preface/background.html" target="_self" data-reactid="39">Background</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/en-us/docs/user/preface/requirements.html" target="_self" data-reactid="41">Requirements</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/en-us/docs/user/preface/architecture.html" target="_self" data-reactid="43">Architecture</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/en-us/docs/user/preface/usage.html" target="_self" data-reactid="45">Usage</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="47">Quick start</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="48"><a href="/en-us/docs/user/dependencies.html" target="_self" data-reactid="49">Dependencies</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/en-us/docs/user/maturity.html" target="_self" data-reactid="51">Maturality</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->Configuration<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/en-us/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/en-us/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">Fault-tolerent strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/en-us/docs/user/demos/loadbalance.html" target="_self" data-reactid="75">Load balance</a></li><li class="menu-item menu-item-level-3" data-reactid="76"><a href="/en-us/docs/user/demos/thread-model.html" target="_self" data-reactid="77">Thread model</a></li><li class="menu-item menu-item-level-3" data-reactid="78"><a href="/en-us/docs/user/demos/explicit-target.html" target="_self" data-reactid="79">Connecting certain provider straightly</a></li><li class="menu-item menu-item-level-3" data-reactid="80"><a href="/en-us/docs/user/demos/subscribe-only.html" target="_self" data-reactid="81">Subscribe only</a></li><li class="menu-item menu-item-level-3" data-reactid="82"><a href="/en-us/docs/user/demos/registry-only.html" target="_self" data-reactid="83">Registry only</a></li><li class="menu-item menu-item-level-3" data-reactid="84"><a href="/en-us/docs/user/demos/static-service.html" target="_self" data-reactid="85">Static service</a></li><li class="menu-item menu-item-level-3" data-reactid="86"><a href="/en-us/docs/user/demos/multi-protocols.html" target="_self" data-reactid="87">Multi-protocols</a></li><li class="menu-item menu-item-level-3" data-reactid="88"><a href="/en-us/docs/user/demos/multi-registry.html" target="_self" data-reactid="89">Multi-registries</a></li><li class="menu-item menu-item-level-3" data-reactid="90"><a href="/en-us/docs/user/demos/service-group.html" target="_self" data-reactid="91">Service group</a></li><li class="menu-item menu-item-level-3" data-reactid="92"><a href="/en-us/docs/user/demos/multi-versions.html" target="_self" data-reactid="93">Multi-versions</a></li><li class="menu-item menu-item-level-3" data-reactid="94"><a href="/en-us/docs/user/demos/group-merger.html" target="_self" data-reactid="95">Group merger</a></li><li 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data-reactid="107">Context</a></li><li class="menu-item menu-item-level-3" data-reactid="108"><a href="/en-us/docs/user/demos/attachment.html" target="_self" data-reactid="109">Attachment</a></li><li class="menu-item menu-item-level-3" data-reactid="110"><a href="/en-us/docs/user/demos/async-call.html" target="_self" data-reactid="111">Asynchronous call</a></li><li class="menu-item menu-item-level-3" data-reactid="112"><a href="/en-us/docs/user/demos/local-call.html" target="_self" data-reactid="113">Local call</a></li><li class="menu-item menu-item-level-3" data-reactid="114"><a href="/en-us/docs/user/demos/callback-parameter.html" target="_self" data-reactid="115">Callback parameter</a></li><li class="menu-item menu-item-level-3" data-reactid="116"><a href="/en-us/docs/user/demos/events-notify.html" target="_self" data-reactid="117">Events notify</a></li><li class="menu-item menu-item-level-3" data-reactid="118"><a href="/en-us/docs/user/demos/local-stub.html" target="_self" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Usage</h1>
 <h2>Spring configuration of local service</h2>
 <p>local.xml:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">bean</span> <span class="hljs-attr">id</span>=<span class="hljs-string">“xxxService”</span> <span class="hljs-attr">class</span>=<span class="hljs-string">“com.xxx.XxxServiceImpl”</span> /&gt;</span>
@@ -40,7 +40,7 @@ <h2>Spring configuration of remote service</h2>
     <span class="hljs-tag">&lt;<span class="hljs-name">property</span> <span class="hljs-attr">name</span>=<span class="hljs-string">“xxxService”</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">“xxxService”</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">bean</span>&gt;</span>
 </code></pre>
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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Quick start</h1>
 <p>The most common way to use Dubbo is to run it in Spring framework. The following content will guide you to develop a Dubbo application with Spring framework's <a href="https://docs.spring.io/spring/docs/4.2.x/spring-framework-reference/html/xsd-configuration.html">XML configuration</a>.</p>
 <p>If you don't want to rely on Spring, you can try using <a href="./configuration/api.md">API configuration</a>.</p>
 <p>First let's create a root directory called dubbo-demo:</p>
@@ -212,7 +212,7 @@ <h2>Complete example</h2>
 </li>
 </ol>
 </section>
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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Recommended usage</h1>
 <h2>Configuring the attributes of the consumer side as much as possible on the provider side</h2>
 <p>the reason is：</p>
 <ul>
@@ -151,7 +151,7 @@ <h3>The relation between attribute name of dubbo.properties and XML</h3>
 </li>
 </ol>
 </section>
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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>API Reference</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1127525206"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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react-text: 35 -->Preface<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/en-us/docs/user/preface/background.html" target="_self" data-reactid="39">Background</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/en-us/docs/user/preface/requirements.html" target="_self" data-reactid="41">Requirements</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/en-us/docs/user/preface/architecture.html" target="_self" data-reactid="43">Architecture</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/en-us/docs/user/preface/usage.html" target="_self" data-reactid="45">Usage</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="47">Quick start</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="48"><a href="/en-us/docs/user/dependencies.html" target="_self" data-reactid="49">Dependencies</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/en-us/docs/user/maturity.html" target="_self" data-reactid="51">Maturality</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->Configuration<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/en-us/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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data-reactid="107">Context</a></li><li class="menu-item menu-item-level-3" data-reactid="108"><a href="/en-us/docs/user/demos/attachment.html" target="_self" data-reactid="109">Attachment</a></li><li class="menu-item menu-item-level-3" data-reactid="110"><a href="/en-us/docs/user/demos/async-call.html" target="_self" data-reactid="111">Asynchronous call</a></li><li class="menu-item menu-item-level-3" data-reactid="112"><a href="/en-us/docs/user/demos/local-call.html" target="_self" data-reactid="113">Local call</a></li><li class="menu-item menu-item-level-3" data-reactid="114"><a href="/en-us/docs/user/demos/callback-parameter.html" target="_self" data-reactid="115">Callback parameter</a></li><li class="menu-item menu-item-level-3" data-reactid="116"><a href="/en-us/docs/user/demos/events-notify.html" target="_self" data-reactid="117">Events notify</a></li><li class="menu-item menu-item-level-3" data-reactid="118"><a href="/en-us/docs/user/demos/local-stub.html" target="_self" 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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>API Reference</h1>
 <p>Generally speaking, dubbo keeps its functionality no intrusive as much as possible, but for some particular features, there's no other way not only API can achieve. <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p>These APIs are summarized here below:</p>
 <h2>Configuration API</h2>
@@ -57,7 +57,7 @@ <h2>Service API</h2>
 </li>
 </ol>
 </section>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Maven Plugin Reference</h1>
 <h2>Start a simple registry server</h2>
 <p>Start a simple registry server listening on port 9099 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>:</p>
 <pre><code class="language-sh">mvn dubbo:registry -Dport=9099 
@@ -28,7 +28,7 @@ <h2>Generate a service provider demo application</h2>
 </li>
 </ol>
 </section>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>dubbo://</h1>
 <p>Dubbo protocol which is the default protocol of Dubbo RPC Framework uses a single long connection and NIO asynchronous communication,it is suitable for small data but with high concurrency RPC call and the number of consumer machine is much greater than provider</p>
 <p>On the other hand, the Dubbo protocol is not suitable for transmitting large amounts of data, such as file transmission, video transmission, etc., unless the request is very low.</p>
 <p><img src="../../sources/images/dubbo-protocol.jpg" alt="dubbo-protocol.jpg"></p>
@@ -110,7 +110,7 @@ <h2>Configuration</h2>
 <p>or configure in <code>dubbo.properties</code>：</p>
 <pre><code>dubbo.service.protocol=dubbo
 </code></pre>
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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="156952564"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>hessian://</h1>
 <p>Hessian protocol is used for integrate Hessian services, and it use http protocol to  communicate and expose services by servlet.Dubbo use Jetty server as default servlet container.</p>
 <p>Dubbo's Hessian protocol interoperates with native Hessian services:</p>
 <ul>
@@ -58,7 +58,7 @@ <h2>Configuration</h2>
 <p>configure direct connect mode：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"helloService"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"HelloWorld"</span> <span class="hljs-attr">url</span>=<span class="hljs-string">"hessian://10.20.153.10:8080/helloWorld"</span> /&gt;</span>
 </code></pre>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>http://</h1>
 <p>Dubbo http protocol is base on HTTP form and Spring's HttpInvoker</p>
 <h2>Features</h2>
 <ul>
@@ -54,7 +54,7 @@ <h2>Configuration</h2>
 <li>the port of protocol <code>&lt;dubbo:protocol port=&quot;8080&quot; /&gt;</code> must same as  servlet container's.</li>
 <li>the context path of protocol <code>&lt;dubbo:protocol contextpath=&quot;foo&quot; /&gt;</code> must same as servlet application's.</li>
 </ul>
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data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/en-us/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/en-us/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->Protocol configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item menu-item-level-3" data-reactid="198"><a href="/en-us/docs/user/references/protocol/introduction.html" target="_self" data-reactid="199">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="200"><a href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Protocol reference Book</h1>
 <p>Dubbo protocol is recommended. The performance of each protocol, see:<a href="../../perf-test.md">Performance</a></p>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>memcached://</h1>
 <p>RPC protocol based on memcached implementation.</p>
 <h2>Register memcached service address</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
@@ -33,7 +33,7 @@ <h2>Use in client</h2>
 <p>If the method name and the memcached standard method name are not the same, you need to configure the mapping</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"cache"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.CacheService"</span> <span class="hljs-attr">url</span>=<span class="hljs-string">"memcached://10.20.153.10:11211"</span> <span class="hljs-attr">p:set</span>=<span class="hljs-string">"putFoo"</span> <span class="hljs-attr">p:get</span>=<span class="hljs-string">"getFoo"</span> <span class="hljs-attr">p:delete</span>=<span class="hljs-string">"removeFoo"</span> /&gt;</span>
 </code></pre>
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diff --git a/en-us/docs/user/references/protocol/redis.html b/en-us/docs/user/references/protocol/redis.html
index 2a8d27a7f0e5..068efb197a7f 100644
--- a/en-us/docs/user/references/protocol/redis.html
+++ b/en-us/docs/user/references/protocol/redis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>redis://</h1>
 <p>RPC protocol based on memcached implementation.</p>
 <h2>Register redis service address</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
@@ -33,7 +33,7 @@ <h2>Use in client</h2>
 <p>If the method name and the memcached standard method name are not the same, you need to configure the mapping</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"cache"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.CacheService"</span> <span class="hljs-attr">url</span>=<span class="hljs-string">"memcached://10.20.153.10:11211"</span> <span class="hljs-attr">p:set</span>=<span class="hljs-string">"putFoo"</span> <span class="hljs-attr">p:get</span>=<span class="hljs-string">"getFoo"</span> <span class="hljs-attr">p:delete</span>=<span class="hljs-string">"removeFoo"</span> /&gt;</span>
 </code></pre>
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diff --git a/en-us/docs/user/references/protocol/rmi.html b/en-us/docs/user/references/protocol/rmi.html
index bc926cca06ea..ef0cb4f7b660 100644
--- a/en-us/docs/user/references/protocol/rmi.html
+++ b/en-us/docs/user/references/protocol/rmi.html
@@ -12,7 +12,7 @@
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 </head>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>rmi://</h1>
 <p>The RMI protocol uses the JDK standard <code>java.rmi.*</code> Implementation, using a block short connection and JDK standard serialization.</p>
 <h2>Features</h2>
 <ul>
@@ -66,7 +66,7 @@ <h2>Configuration</h2>
 <p>Compatible with Spring：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"rmi"</span> <span class="hljs-attr">codec</span>=<span class="hljs-string">"spring"</span> /&gt;</span>
 </code></pre>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>thrift://</h1>
 <p>The current dubbo support thrift protocol is an extension of the thrift native protocol, adding some additional header information to the native protocol, such as service name, magic number, and so on.</p>
 <p>The use of dubbo thrift protocol also need to use thrift idl compiler to generate the corresponding java code, follow-up version will do some enhancement in this aspect.</p>
 <h2>dependency</h2>
@@ -31,7 +31,7 @@ <h2>Common problem</h2>
 <ul>
 <li>Thrift does not support null values, that is, you can not pass null values</li>
 </ul>
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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>webservice://</h1>
 <p>WebService-based remote calling protocol，base on <a href="http://cxf.apache.org">Apache CXF</a>  <code>frontend-simple</code> and  <code>transports-http</code> implements。</p>
 <p>Interoperable with native WebService services：</p>
 <ul>
@@ -87,7 +87,7 @@ <h2>Configuration</h2>
 <li>the port of protocol <code>&lt;dubbo:protocol port=&quot;8080&quot; /&gt;</code> must same as  servlet container's.</li>
 <li>the context path of protocol <code>&lt;dubbo:protocol contextpath=&quot;foo&quot; /&gt;</code> must same as servlet application's.</li>
 </ul>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Telnet (new version) Command Usage</h1>
 <p>dubbo 2.5.8 version refactor the telnet module, providing new telnet command support.</p>
 <h3>Port</h3>
 <p>the port of new version telnet is different from the port of dubbo protocol. The default port is <code>22222</code>, which can be changed by modifying configuration file <code>dubbo.properties</code></p>
@@ -127,7 +127,7 @@ <h3>help command</h3>
 +--------------+----------------------------------------------------------------------------------+
 dubbo&gt;
 </code></pre>
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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="2067208829"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/en-us/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">中</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/en-us/index.html" data-reactid="13">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/en-us/docs/user/quick-start.html" data-reactid="15">DOCS</a></li><li class="menu-item menu-item-normal" 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react-text: 35 -->Preface<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/en-us/docs/user/preface/background.html" target="_self" data-reactid="39">Background</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/en-us/docs/user/preface/requirements.html" target="_self" data-reactid="41">Requirements</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/en-us/docs/user/preface/architecture.html" target="_self" data-reactid="43">Architecture</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/en-us/docs/user/preface/usage.html" target="_self" data-reactid="45">Usage</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/en-us/docs/user/quick-start.html" target="_self" data-reactid="47">Quick start</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="48"><a href="/en-us/docs/user/dependencies.html" target="_self" data-reactid="49">Dependencies</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/en-us/docs/user/maturity.html" target="_self" data-reactid="51">Maturality</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->Configuration<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/en-us/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/en-us/docs/user/configuration/properties.html" target="_self" data-reactid="60">Properties configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/en-us/docs/user/configuration/api.html" target="_self" data-reactid="62">API configuration</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/en-us/docs/user/configuration/annotation.html" target="_self" data-reactid="64">Annotation configuration</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->Demos<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/en-us/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">Start check</a></li><li class="menu-item menu-item-level-3" 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class="menu-item menu-item-level-3" data-reactid="96"><a href="/en-us/docs/user/demos/parameter-validation.html" target="_self" data-reactid="97">Parameter validation</a></li><li class="menu-item menu-item-level-3" data-reactid="98"><a href="/en-us/docs/user/demos/result-cache.html" target="_self" data-reactid="99">Result cache</a></li><li class="menu-item menu-item-level-3" data-reactid="100"><a href="/en-us/docs/user/demos/generic-reference.html" target="_self" data-reactid="101">Generic reference</a></li><li class="menu-item menu-item-level-3" data-reactid="102"><a href="/en-us/docs/user/demos/generic-service.html" target="_self" data-reactid="103">Generic service</a></li><li class="menu-item menu-item-level-3" data-reactid="104"><a href="/en-us/docs/user/demos/echo-service.html" target="_self" data-reactid="105">Echo service</a></li><li class="menu-item menu-item-level-3" data-reactid="106"><a href="/en-us/docs/user/demos/context.html" target="_self" data-reactid="107">Context</a></li><li class="menu-item menu-item-level-3" data-reactid="108"><a href="/en-us/docs/user/demos/attachment.html" target="_self" data-reactid="109">Attachment</a></li><li class="menu-item menu-item-level-3" data-reactid="110"><a href="/en-us/docs/user/demos/async-call.html" target="_self" data-reactid="111">Asynchronous call</a></li><li class="menu-item menu-item-level-3" data-reactid="112"><a href="/en-us/docs/user/demos/local-call.html" target="_self" data-reactid="113">Local call</a></li><li class="menu-item menu-item-level-3" data-reactid="114"><a href="/en-us/docs/user/demos/callback-parameter.html" target="_self" data-reactid="115">Callback parameter</a></li><li class="menu-item menu-item-level-3" data-reactid="116"><a href="/en-us/docs/user/demos/events-notify.html" target="_self" data-reactid="117">Events notify</a></li><li class="menu-item menu-item-level-3" data-reactid="118"><a href="/en-us/docs/user/demos/local-stub.html" target="_self" data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" target="_self" data-reactid="131">Stickness connections</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/en-us/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">Token authorization</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/en-us/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">Routing rule</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/en-us/docs/user/demos/config-rule.html" target="_self" data-reactid="137">Configuration rule</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/en-us/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">Service downgrade</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/en-us/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">Graceful shutdown</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/en-us/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/en-us/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/en-us/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/en-us/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/en-us/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/en-us/docs/user/references/xml/dubbo-method.html" target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/en-us/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/en-us/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->Protocol configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item menu-item-level-3" data-reactid="198"><a href="/en-us/docs/user/references/protocol/introduction.html" target="_self" data-reactid="199">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="200"><a href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h2>Registry Server References</h2>
 <p>It is recommended to use <a href="./zookeeper.md">zookeeper registry server</a></p>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Multicast Registry</h1>
 <p>Multicast registry doesn't require to setup any central node. Just like IP address broadcast, dubbo service providers and consumers can discover each other through this mechanism.</p>
 <p><img src="../../sources/images/multicast.jpg" alt="/user-guide/images/multicast.jpg"></p>
 <ol start="0">
@@ -36,7 +36,7 @@ <h2>Configuration</h2>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:parameter</span> <span class="hljs-attr">key</span>=<span class="hljs-string">"unicast"</span> <span class="hljs-attr">value</span>=<span class="hljs-string">"false"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:registry</span>&gt;</span>
 </code></pre>
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data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" 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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Redis Registry Server</h1>
 <p>It is a registry server implementation <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> based on redis <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>.</p>
 <p><img src="../../sources/images/dubbo-redis-registry.jpg" alt="/user-guide/images/dubbo-redis-registry.jpg"></p>
 <p>Use key/map structure in redis to save the registration info:</p>
@@ -75,7 +75,7 @@ <h2>Installation</h2>
 </li>
 </ol>
 </section>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Simple Registry Server</h1>
 <p>Simple registry server itself is a regular dubbo service. In this way, third-party dependency is unnecessary, and communication keeps consistent at the same moment.</p>
 <h2>Configuration</h2>
 <p>Register simple registry server as dubbo service:</p>
@@ -45,7 +45,7 @@ <h2>Configuration</h2>
 </code></pre>
 <h2>Applicability</h2>
 <p>This <code>SimpleRegistryService</code> is just a simple implementation for register server, and it doesn't have cluster support. It is useful for the implementation reference for the custom registery server, but not suitable for use in production environment directly.</p>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" 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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Zookeeper Registry Server</h1>
 <p><a href="http://zookeeper.apache.org">Zookeeper</a> is the child project of apache hadoop. Since it offers tree-like directory service and supports change notification, it's suitable to use it as dubbo's registry server. It's a field-proven product, therefore it's recommended to use it in the production environment. <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p><img src="../../sources/images/zookeeper.jpg" alt="/user-guide/images/zookeeper.jpg"></p>
 <p>Description on registration procedure:</p>
@@ -109,7 +109,7 @@ <h2>Declaration of Compatibility</h2>
 </li>
 </ol>
 </section>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Telnet Command Reference</h1>
 <p>Since <code>2.0.5</code> dubbo starts supporting to use telnet command to govern services.</p>
 <h2>How To Use</h2>
 <pre><code class="language-sh">telnet localhost 20880
@@ -94,7 +94,7 @@ <h3><code>exit</code></h3>
 </li>
 </ol>
 </section>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -153,7 +153,7 @@ <h1>dubbo:application</h1>
 </tr>
 </tbody>
 </table>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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 table {
   width: 100%;
   max-width: 65em;
@@ -107,7 +107,7 @@ <h1>dubbo:argument</h1>
 </tr>
 </tbody>
 </table>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -253,7 +253,7 @@ <h1>dubbo:consumer</h1>
 </tr>
 </tbody>
 </table>
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href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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 table {
   width: 100%;
   max-width: 65em;
@@ -238,7 +238,7 @@ <h1>dubbo:method</h1>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"findXxx"</span> <span class="hljs-attr">timeout</span>=<span class="hljs-string">"3000"</span> <span class="hljs-attr">retries</span>=<span class="hljs-string">"2"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:reference</span>&gt;</span>
 </code></pre>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -113,7 +113,7 @@ <h1>dubbo:module</h1>
 </tr>
 </tbody>
 </table>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -93,7 +93,7 @@ <h1>dubbo:monitor</h1>
 </tr>
 </tbody>
 </table>
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 table {
   width: 100%;
   max-width: 65em;
@@ -101,7 +101,7 @@ <h1>dubbo:parameter</h1>
 <p>you can also use it like this:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"jms"</span> <span class="hljs-attr">p:queue</span>=<span class="hljs-string">"xxx"</span> /&gt;</span>
 </code></pre>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -313,7 +313,7 @@ <h1>dubbo:protocol</h1>
 </tr>
 </tbody>
 </table>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -513,7 +513,7 @@ <h1>dubbo:provider</h1>
 </tr>
 </tbody>
 </table>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -343,7 +343,7 @@ <h1>dubbo:reference</h1>
 </tr>
 </tbody>
 </table>
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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li 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target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item 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data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" 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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -223,7 +223,7 @@ <h1>dubbo:registry</h1>
 </tr>
 </tbody>
 </table>
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href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li 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src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item 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data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" 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menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item 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 table {
   width: 100%;
   max-width: 65em;
@@ -373,7 +373,7 @@ <h1>dubbo:service</h1>
 </tr>
 </tbody>
 </table>
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data-reactid="119">Local stub</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/en-us/docs/user/demos/local-mock.html" target="_self" data-reactid="121">Local mock</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/en-us/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">Delay publish</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/en-us/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">Concurrency control</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/en-us/docs/user/demos/config-connections.html" target="_self" data-reactid="127">Connections limitation</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/en-us/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">Lazy connect</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/en-us/docs/user/demos/stickiness.html" target="_self" data-reactid="131">Stickness connections</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/en-us/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">Token authorization</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/en-us/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">Routing rule</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/en-us/docs/user/demos/config-rule.html" target="_self" data-reactid="137">Configuration rule</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/en-us/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">Service downgrade</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/en-us/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">Graceful shutdown</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/en-us/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">Hostname binding</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/en-us/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">Logger strategy</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/en-us/docs/user/demos/accesslog.html" target="_self" data-reactid="147">Accesslog</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/en-us/docs/user/demos/service-container.html" target="_self" data-reactid="149">Service container</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/en-us/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference config cache</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/en-us/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">Distributed transaction</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/en-us/docs/user/demos/dump.html" target="_self" data-reactid="155">Automatic thread dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/en-us/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/en-us/docs/user/demos/serialization.html" target="_self" data-reactid="159">Serialization with FST and Kyro</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/en-us/docs/user/references/api.html" target="_self" data-reactid="161">API configuration reference</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->Schema configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/en-us/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/en-us/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/en-us/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/en-us/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/en-us/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/en-us/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/en-us/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/en-us/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/en-us/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/en-us/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/en-us/docs/user/references/xml/dubbo-method.html" target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/en-us/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/en-us/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->Protocol configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item menu-item-level-3" data-reactid="198"><a href="/en-us/docs/user/references/protocol/introduction.html" target="_self" data-reactid="199">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="200"><a href="/en-us/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/en-us/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/en-us/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/en-us/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/en-us/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/en-us/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/en-us/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/en-us/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/en-us/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->Registry configuration reference<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/en-us/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">Introduction</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/en-us/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast registry</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/en-us/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper registry</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/en-us/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis registry</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/en-us/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple registry</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/en-us/docs/user/references/telnet.html" target="_self" data-reactid="234">Telnet command</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/en-us/docs/user/references/maven.html" target="_self" data-reactid="236">Maven plugin</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/en-us/docs/user/best-practice.html" target="_self" data-reactid="238">Best practice</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/en-us/docs/user/recommend.html" target="_self" data-reactid="240">Recommended usage</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/en-us/docs/user/capacity-plan.html" target="_self" data-reactid="242">Capacity plan</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/en-us/docs/user/perf-test.html" target="_self" data-reactid="244">Performance testing reports</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/en-us/docs/user/coveragence.html" target="_self" data-reactid="246">Test coverage report</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="247"><span data-reactid="248">Developer guide</span><ul data-reactid="249"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="250"><a href="/en-us/docs/dev/build.html" target="_self" data-reactid="251">How To Build</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/en-us/docs/dev/design.html" target="_self" data-reactid="253">Architecture</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/en-us/docs/dev/SPI.html" target="_self" data-reactid="255">How SPI Works</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/en-us/docs/dev/implementation.html" target="_self" data-reactid="257">Init, Process, Protocols</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><span data-reactid="259"><!-- react-text: 260 -->SPI Extensions<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="261"/></span><ul data-reactid="262"><li class="menu-item menu-item-level-3" data-reactid="263"><a href="/en-us/docs/dev/impls/protocol.html" target="_self" data-reactid="264">Protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/en-us/docs/dev/impls/filter.html" target="_self" data-reactid="266">Filter</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/en-us/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="268">InvokerListener</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/en-us/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="270">ExporterListener</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/en-us/docs/dev/impls/cluster.html" target="_self" data-reactid="272">Cluster</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/en-us/docs/dev/impls/router.html" target="_self" data-reactid="274">Router</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/en-us/docs/dev/impls/load-balance.html" target="_self" data-reactid="276">LoadBalance</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/en-us/docs/dev/impls/merger.html" target="_self" data-reactid="278">Merger</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/en-us/docs/dev/impls/registry.html" target="_self" data-reactid="280">Registry</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/en-us/docs/dev/impls/monitor.html" target="_self" data-reactid="282">Monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/en-us/docs/dev/impls/extension-factory.html" target="_self" data-reactid="284">ExtensionFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/en-us/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="286">ProxyFactory</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/en-us/docs/dev/impls/compiler.html" target="_self" data-reactid="288">Compiler</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/en-us/docs/dev/impls/dispatcher.html" target="_self" data-reactid="290">Dispatcher</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/en-us/docs/dev/impls/threadpool.html" target="_self" data-reactid="292">Threadpool</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/en-us/docs/dev/impls/serialize.html" target="_self" data-reactid="294">Serialization</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/en-us/docs/dev/impls/remoting.html" target="_self" data-reactid="296">Remoting</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/en-us/docs/dev/impls/exchanger.html" target="_self" data-reactid="298">Exchanger</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/en-us/docs/dev/impls/networker.html" target="_self" data-reactid="300">Networker</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/en-us/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="302">TelnetHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/en-us/docs/dev/impls/status-checker.html" target="_self" data-reactid="304">StatusChecker</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/en-us/docs/dev/impls/container.html" target="_self" data-reactid="306">Container</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/en-us/docs/dev/impls/page.html" target="_self" data-reactid="308">PageHandler</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/en-us/docs/dev/impls/cache.html" target="_self" data-reactid="310">Cache</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/en-us/docs/dev/impls/validation.html" target="_self" data-reactid="312">Validation</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/en-us/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="314">LoggerAdapter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="315"><a href="/en-us/docs/dev/contract.html" target="_self" data-reactid="316">Contract</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/en-us/docs/dev/coding.html" target="_self" data-reactid="318">Code Style</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>schema configuration reference</h1>
 <p>The following pages show all the configuration properties <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> with XML Config <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> as an example.  For other configurations, please reference: <a href="../../configuration/properties.md">Properties Configuration</a>, <a href="../../configuration/annotation.md">Annotation Configuration</a>, <a href="../../configuration/api.md">API Configuration</a>.</p>
 <p>All configuration properties fall into three categories, see the &quot;Function&quot; in the table below.</p>
 <ul>
@@ -32,7 +32,7 @@
 </li>
 </ol>
 </section>
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class="menu-item menu-item-level-2" data-reactid="319"><a href="/en-us/docs/dev/release.html" target="_self" data-reactid="320">Versions</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><a href="/en-us/docs/dev/contribution.html" target="_self" data-reactid="322">Contribution</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="323"><a href="/en-us/docs/dev/checklist.html" target="_self" data-reactid="324">Checklist</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="325"><a href="/en-us/docs/dev/code-smell.html" target="_self" data-reactid="326">Code Smell</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="327"><a href="/en-us/docs/dev/TCK.html" target="_self" data-reactid="328">TCK</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="329"><span data-reactid="330">Admin guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" target="_self" data-reactid="344">Install Redis configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="345"><a href="/en-us/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="346">Install Simple configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="347"><a href="/en-us/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="348">Install Simple monitor center</a></li><li class="menu-item menu-item-level-3" data-reactid="349"><a href="/en-us/docs/admin/install/admin-console.html" target="_self" data-reactid="350">Install admin console</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="351"><span data-reactid="352"><!-- react-text: 353 -->Operation manual<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="354"/></span><ul data-reactid="355"><li class="menu-item menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><h1>Developing RESTful Remoting in Dubbo</h1>
 <p><strong>Original author: Li Shen</strong></p>
 <p><strong>Document copyright: <a href="HTTP://www.apache.org/licenses/LICENSE-2.0">Apache 2.0license Signature - No interpretation</a></strong></p>
 <p>Working in progress ...</p>
@@ -962,7 +962,7 @@ <h2>##Future</h2>
 <li>Gzip</li>
 <li>Payload maxsize</li>
 </ul>
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guide</span><ul data-reactid="331"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="332"><span data-reactid="333"><!-- react-text: 334 -->Installation<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="335"/></span><ul data-reactid="336"><li class="menu-item menu-item-level-3" data-reactid="337"><a href="/en-us/docs/admin/install/provider-demo.html" target="_self" data-reactid="338">Install provider demo</a></li><li class="menu-item menu-item-level-3" data-reactid="339"><a href="/en-us/docs/admin/install/consumer-demo.html" target="_self" data-reactid="340">Install consumer demo</a></li><li class="menu-item menu-item-level-3" data-reactid="341"><a href="/en-us/docs/admin/install/zookeeper.html" target="_self" data-reactid="342">Install Zookeeper configuration center</a></li><li class="menu-item menu-item-level-3" data-reactid="343"><a href="/en-us/docs/admin/install/redis.html" 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menu-item-level-3" data-reactid="356"><a href="/en-us/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="357">Admin console operation guide</a></li><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/en-us/docs/admin/ops/pinpoint.html" target="_self" data-reactid="359">Tracking with Pinpoint</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/en-us/docs/admin/ops/skywalking.html" target="_self" data-reactid="361">Tracking with Skywalking</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="362"><blockquote>
 <p><img src="sources/images/check.gif" alt="warning">Monitor service is a standard Dubbo service，can be exported to the registry，also can be connected straightly。</p>
 </blockquote>
 <blockquote>
@@ -86,7 +86,7 @@
 </code></pre>
 </li>
 </ol>
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+  <a style="display: none" href="http://www.apache.org/events/current-event">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</a>
+  <!-- 添加Apache校验项结束 -->
   <script src="//cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js"></script>
 	<script>
     window.rootPath = '';
diff --git a/redirect.ejs b/redirect.ejs
index c818ba4c8bed..4d995861cdbc 100644
--- a/redirect.ejs
+++ b/redirect.ejs
@@ -4,6 +4,10 @@
 	<meta charset="UTF-8">
 </head>
 <body>
+  <!-- 添加Apache校验项开始 -->
+  <!-- 只加a标签和img标签，不要有其余的标签出现，同时设置style="display: none" -->
+  <a style="display: none" href="http://www.apache.org/events/current-event">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</a>
+  <!-- 添加Apache校验项结束 -->
   <script src="//cdn.jsdelivr.net/npm/js-cookie@2/src/js.cookie.min.js"></script>
 	<script>
     window.rootPath = '<%= rootPath %>';
diff --git a/site_config/site.js b/site_config/site.js
index fc982cee32fb..379a8fed1a3f 100644
--- a/site_config/site.js
+++ b/site_config/site.js
@@ -31,6 +31,31 @@ export default {
       title: 'Disclaimer',
       content: 'Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.',
     },
+    asf: {
+      title: 'ASF',
+      list: [
+        {
+          text: 'Foundation',
+          link: 'http://www.apache.org',
+        },
+        {
+          text: 'License',
+          link: 'http://www.apache.org/licenses/',
+        },
+        {
+          text: 'Events',
+          link: 'http://www.apache.org/events/current-event',
+        },
+        {
+          text: 'Sponsorship',
+          link: 'http://www.apache.org/foundation/sponsorship.html',
+        },
+        {
+          text: 'Thanks',
+          link: 'http://www.apache.org/foundation/thanks.html',
+        },
+      ],
+    },
     documentation: {
       title: 'Documentation',
       list: [
@@ -90,6 +115,31 @@ export default {
       title: 'Disclaimer',
       content: 'Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.',
     },
+    asf: {
+      title: 'ASF',
+      list: [
+        {
+          text: '基金会',
+          link: 'http://www.apache.org',
+        },
+        {
+          text: '证书',
+          link: 'http://www.apache.org/licenses/',
+        },
+        {
+          text: '事件',
+          link: 'http://www.apache.org/events/current-event',
+        },
+        {
+          text: '赞助',
+          link: 'http://www.apache.org/foundation/sponsorship.html',
+        },
+        {
+          text: '致谢',
+          link: 'http://www.apache.org/foundation/thanks.html',
+        },
+      ],
+    },
     documentation: {
       title: '文档',
       list: [
diff --git a/src/components/footer/index.jsx b/src/components/footer/index.jsx
index d69f296ce1f8..1be3a61fd142 100644
--- a/src/components/footer/index.jsx
+++ b/src/components/footer/index.jsx
@@ -25,16 +25,16 @@ class Footer extends React.Component {
               <h3>{dataSource.disclaimer.title}</h3>
               <p>{dataSource.disclaimer.content}</p>
             </div>
-              <div className="col col-4">
-                  <dl>
-                      <dt>ASF</dt>
-                      <dd><a href="http://www.apache.org">Foundation</a></dd>
-                      <dd><a href="http://www.apache.org/licenses/">License</a></dd>
-                      <dd><a href="http://www.apache.org/events/current-event">Events</a></dd>
-                      <dd><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></dd>
-                      <dd><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></dd>
-                  </dl>
-              </div>
+            <div className="col col-4">
+              <dl>
+                <dt>{dataSource.asf.title}</dt>
+                {
+                  dataSource.asf.list.map((d, i) => (
+                    <dd key={i}><a href={getLink(d.link)} target={d.target || '_self'}>{d.text}</a></dd>
+                  ))
+                }
+              </dl>
+            </div>
             <div className="col col-4">
               <dl>
                 <dt>{dataSource.documentation.title}</dt>
diff --git a/src/components/footer/index.scss b/src/components/footer/index.scss
index 8e0232bd30a6..9f4743e60248 100644
--- a/src/components/footer/index.scss
+++ b/src/components/footer/index.scss
@@ -37,6 +37,9 @@
       .col-6 {
         width: 25%;
       }
+      .col-4 {
+        width: 16.666667%;
+      }
       h3 {
         font-family: Avenir-Heavy;
         font-size: 18px;
diff --git a/zh-cn/blog/dubbo-101.html b/zh-cn/blog/dubbo-101.html
index 22a40ef370fc..bf5989bd0982 100644
--- a/zh-cn/blog/dubbo-101.html
+++ b/zh-cn/blog/dubbo-101.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1473882622"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第一个 Dubbo 应用</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="795366024"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第一个 Dubbo 应用</h1>
 <h2>Java RMI 简介</h2>
 <p>Java RMI （Remote Method Invocation）- 远程方法调用，能够让客户端像使用本地调用一样调用服务端 Java 虚拟机中的对象方法。RMI 是面向对象语言领域对 RPC （Remote Procedure Call）的完善，用户无需依靠 IDL 的帮助来完成分布式调用，而是通过依赖接口这种更简单自然的方式。</p>
 <h3>Java RMI 工作原理</h3>
@@ -330,7 +330,7 @@ <h2>总结</h2>
 </li>
 </ol>
 </section>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
 	<script src="https://f.alicdn.com/react/15.4.1/react-with-addons.min.js"></script>
 	<script src="https://f.alicdn.com/react/15.4.1/react-dom.min.js"></script>
 	<script>
diff --git a/zh-cn/blog/dubbo-annotation.html b/zh-cn/blog/dubbo-annotation.html
index e105b70a4995..e311ce904417 100644
--- a/zh-cn/blog/dubbo-annotation.html
+++ b/zh-cn/blog/dubbo-annotation.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="481048004"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>在 Dubbo 中使用注解</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="278191679"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>在 Dubbo 中使用注解</h1>
 <p>随着微服务架构的广泛地推广和实施。在 Java 生态系统中，以 Spring Boot 和 Spring Cloud 为代表的微服务框架，引入了全新的编程模型，包括：</p>
 <ul>
 <li>注解驱动（Annotation-Driven）</li>
@@ -336,7 +336,7 @@ <h3>7. 客户端：发起远程调用</h3>
 <h2>总结</h2>
 <p>通过本文的学习，读者可以掌握 Dubbo 专属的 annotation <code>@EnableDubbo</code>、<code>@Service</code>、<code>@Reference</code> 的基本概念，并通过一个简单 Dubbo 应用的实战开发掌握其基本的用法。</p>
 <p>Spring 除了传统的 XML 配置之外，还提供了注解驱动、外部化配置、以及自动装配等更现代的配置方式。本文专注在介绍通过注解方式来开发 Dubbo 应用，可以看到，与 XML 配置相比，注解方式编程更加简洁明快。在今后的博文中，会进一步的介绍在 Dubbo 中使用外部化配置、以及自动装配的方法。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html b/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html
index 02e197a3f6fa..180cc0dbd4e2 100644
--- a/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html
+++ b/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1408713456"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo基本用法之Provider配置</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1511658645"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo基本用法之Provider配置</h1>
 <h2>Dubbo基本用法</h2>
 <p>本章节主要讲述如何配置dubbo，按照配置方式上分，可以分为：XML配置，properties方式配置，注解方式配置，API调用方式配置。
 按照功能角度进行划分，可以分为Dubbo Provider和Dubbo Consumer。接下来章节中，分别对dubbo provider和Dubbo consumer进行讲解。</p>
@@ -380,7 +380,7 @@ <h3>Provider 接口和实现</h3>
 &lt;/beans&gt;
 </code></pre>
 <p>Dubbo配置的其他方式可以参考上一章节的相关配置，或者使用集成dubbo spring boot starter方式。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-compatible.html b/zh-cn/blog/dubbo-compatible.html
index 39b1b9c3bf07..6be72bedc93a 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1184659518"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo 2.7.x repackage后的兼容实现方案</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="757342408"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo 2.7.x repackage后的兼容实现方案</h1>
 <p>Dubbo至加入Apache孵化器以来，一个很强的诉求就是需要rename groupId和package name，这两项工作在项目毕业前需要完成。其中rename package相对来说复杂一些，除了要修改所有类的包名为<code>org.apache.dubbo</code>外，更多的是需要考虑如何老版本的兼容性。</p>
 <p>常见的兼容性包括但不限于以下几种情况：</p>
 <ul>
@@ -178,7 +178,7 @@ <h2>后续todo list</h2>
 <li>com.alibaba.dubbo.rpc.service.EchoService / GenericService</li>
 </ul>
 <p>大家如果在试用的过程中发现有任何问题请及时提出；同时如果对其他扩展点有兼容需求，也请大家提出来，也非常欢迎大家自己解决并贡献出来。</p>
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+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-contribue-to-opensource.html b/zh-cn/blog/dubbo-contribue-to-opensource.html
index c62cfd861f98..b972a3d8f9cf 100644
--- a/zh-cn/blog/dubbo-contribue-to-opensource.html
+++ b/zh-cn/blog/dubbo-contribue-to-opensource.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1431913577"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>以Dubbo为例，聊聊如何向开源项目做贡献</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-351933212"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>以Dubbo为例，聊聊如何向开源项目做贡献</h1>
 <p>Github 上有众多优秀的开源项目，大多数 IT 从业者将其当做了予取予求的工具库，遇到什么需求，先去 Github 搜一把，但有没有想过有一天自己也可以给开源事业做一些贡献呢？本文将会以 incubator-dubbo 项目为例，向你阐释，给开源项目做贡献并不是一件难事。</p>
 <h2>1 为何要给开源贡献力量</h2>
 <p>为开源项目做贡献得到的收益是多方面的，为了让你有足够的信心加入到开源项目中，我在文章最开始列举出它的诸多好处。</p>
@@ -137,7 +137,7 @@ <h3>4.3 创建 pull request</h3>
 </ul>
 <h2>5 成为一个开源贡献者</h2>
 <p>如果你有志于参与开源事业，可以尝试从自己最熟悉的项目开始，开源并不是属于高级开发者的专属词汇，它就是由你我这样的人在需求，修复，构建中演进下去的。Let's try it !</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-generic-invoke.html b/zh-cn/blog/dubbo-generic-invoke.html
index 4a86e49f9686..fb735f6028d2 100644
--- a/zh-cn/blog/dubbo-generic-invoke.html
+++ b/zh-cn/blog/dubbo-generic-invoke.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-524013223"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo的泛化调用</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="158521812"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo的泛化调用</h1>
 <p>以下几种场景可以考虑使用泛化调用：</p>
 <ul>
 <li>服务测试平台</li>
@@ -151,7 +151,7 @@ <h2>其他</h2>
 <li>本文介绍的泛化调用和泛接口实现，都是在原生的 <code>Dubbo</code> 协议之上的。在 2.6.2 版本之前，其他协议如 http/hessian 等是不支持泛化调用的，2.6.3 版本将会对这两个协议的泛化调用做支持。</li>
 <li>本文中提到的相关示例代码可以在 dubbo-samples中找到：<a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-generic">https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-generic</a></li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-integrate-with-hystrix.html b/zh-cn/blog/dubbo-integrate-with-hystrix.html
index 5ecd92fe724c..fa724c90279b 100644
--- a/zh-cn/blog/dubbo-integrate-with-hystrix.html
+++ b/zh-cn/blog/dubbo-integrate-with-hystrix.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="146769363"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Spring应用快速集成Dubbo + Hystrix</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1613442653"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Spring应用快速集成Dubbo + Hystrix</h1>
 <h2>背景</h2>
 <p>Hystrix 旨在通过控制那些访问远程系统、服务和第三方库的节点，从而对延迟和故障提供更强大的容错能力。Hystrix具备拥有回退机制和断路器功能的线程和信号隔离，请求缓存和请求打包，以及监控和配置等功能。</p>
 <p>Dubbo是Alibaba开源的，目前国内最流行的java rpc框架。</p>
@@ -178,7 +178,7 @@ <h2>链接</h2>
 <li><a href="http://start.dubbo.io/">http://start.dubbo.io/</a></li>
 <li><a href="https://cloud.spring.io/spring-cloud-netflix/single/spring-cloud-netflix.html#_circuit_breaker_hystrix_clients">https://cloud.spring.io/spring-cloud-netflix/single/spring-cloud-netflix.html#_circuit_breaker_hystrix_clients</a></li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-invoke.html b/zh-cn/blog/dubbo-invoke.html
index fef674d9fd94..ebddb8876063 100644
--- a/zh-cn/blog/dubbo-invoke.html
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@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1445676780"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo 关于同步/异步调用的几种方式</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1601236839"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo 关于同步/异步调用的几种方式</h1>
 <p>我们知道，Dubbo 缺省协议采用单一长连接，底层实现是 Netty 的 NIO 异步通讯机制；基于这种机制，Dubbo 实现了以下几种调用方式：</p>
 <ul>
 <li>同步调用</li>
@@ -173,7 +173,7 @@ <h2>事件通知</h2>
 </ul>
 <p>上述配置中，<code>sayHello</code>方法为同步调用，因此事件通知方法的执行也是同步执行。可以配置 <code>async=true</code>让方法调用为异步，这时事件通知的方法也是异步执行的。特别强调一下，<code>oninvoke</code>方法不管是否异步调用，都是同步执行的。</p>
 <p>事件通知的示例代码请参考：<a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-notify">https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-notify</a></p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-k8s.html b/zh-cn/blog/dubbo-k8s.html
index aea6f569d422..08c53da9b45e 100644
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+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1482993004"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo与Kubernetes集成</h1>
 <h2>大体目标</h2>
 <p>Dubbo的provider不再关心服务注册的事宜，只需要把其Dubbo服务端口打开，由Kubernetes来进行服务的声明和发布；Dubbo的consumer在服务发现时直接发现kubernetes的对应服务endpoints，从而复用Dubbo已有的微服务通道能力。好处是无需依赖三方的软负载注册中心；同时无缝融入Kubernetes的多租户安全体系。Demo的代码参照： <a href="https://github.com/dubbo/dubbo-kubernetes">https://github.com/dubbo/dubbo-kubernetes</a></p>
 <h2>闲谈</h2>
@@ -100,7 +100,7 @@ <h2>Demo验证</h2>
 <p>{&quot;kind&quot;:&quot;Pod&quot;,&quot;namespace&quot;:&quot;lzumwsrddf831iwarhehd14zh2-default&quot;,&quot;name&quot;:&quot;dubbo-k8s-demo-610694273-jq238&quot;,&quot;uid&quot;:&quot;12892e67-8bc8-11e8-b96a-00163e02c37b&quot;,&quot;apiVersion&quot;:&quot;v1&quot;,&quot;resourceVersion&quot;:&quot;850282769&quot;},&quot;reason&quot;:&quot;FailedSync&quot;,&quot;message&quot;:&quot;Error syncing pod&quot;,&quot;</p>
 </li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-loadbalance.html b/zh-cn/blog/dubbo-loadbalance.html
index ffc193fff331..a21ef8d167f6 100644
--- a/zh-cn/blog/dubbo-loadbalance.html
+++ b/zh-cn/blog/dubbo-loadbalance.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="815812781"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo的负载均衡</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-89982680"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo的负载均衡</h1>
 <h2>背景</h2>
 <p>Dubbo是一个分布式服务框架，能避免单点故障和支持服务的横向扩容。一个服务通常会部署多个实例。如何从多个服务 Provider 组成的集群中挑选出一个进行调用，就涉及到一个负载均衡的策略。</p>
 <h2>几个概念</h2>
@@ -231,7 +231,7 @@ <h2>扩展负载均衡</h2>
 </code></pre>
 <p>在Consumer端的<code>dubbo:reference</code>中配置<code>&lt;loadbalance=&quot;demo&quot;&gt;</code></p>
 <p>经过上面的3个步骤，我们编写了一个自定义的LoadBalance，并告诉Dubbo使用它了。启动Dubbo，我们就能看到Dubbo已经使用了自定义的DemoLoadBalance。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-meetup-chengdu.html b/zh-cn/blog/dubbo-meetup-chengdu.html
index b61bebad359b..a53caae84398 100644
--- a/zh-cn/blog/dubbo-meetup-chengdu.html
+++ b/zh-cn/blog/dubbo-meetup-chengdu.html
@@ -12,7 +12,7 @@
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1593585458"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第四届Dubbo开发者沙龙于8月26日在成都举行</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="614061997"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第四届Dubbo开发者沙龙于8月26日在成都举行</h1>
 <p><img src="../../img/blog/meetup-chengdu/all-hands.webp" alt="img"></p>
 <h2>用户深度沟通交流</h2>
 <p>8.26上午10:00-12:00，邀请到货车帮，云图金控，前BBD，飞鱼星四家公司开源爱好者及重度用户参与面对面交流；据参与者反馈，解答了对Dubbo的诸多疑惑，特别是如何参与贡献社区，以及捐献代码所带来的价值点。希望后面可以更加深入参与Dubbo社区及活动中。</p>
@@ -21,7 +21,7 @@ <h2>meetup活动信息</h2>
 <h2>报名信息</h2>
 <p>Aliware Open Source•成都站-Apache Dubbo开发者沙龙于8月26日(周日)在成都高新区天府五街200号菁蓉国际广场8号楼2楼会议厅举办，技术GG们的思想盛宴，干货与福利一个都不会少。</p>
 <p>报名链接：<a href="http://www.huodongxing.com/event/7453091088400">http://www.huodongxing.com/event/7453091088400</a></p>
-<img src="../../img/blog/dubbo-chengdu-meetup-img.jpg"/></section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+<img src="../../img/blog/dubbo-chengdu-meetup-img.jpg"/></section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html b/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
index 9e2dc7ac30f3..56c9990fb03e 100644
--- a/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
+++ b/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-330329776"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第二届Dubbo开发者沙龙在上海成功举办</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1415461338"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第二届Dubbo开发者沙龙在上海成功举办</h1>
 <p>第二届Dubbo开发者沙龙在上海成功举办，超过700位开发者报名，现场参与人数300+，通过阿里云天池、云栖社区、大咖说引导线上直播观看次数10000+</p>
 <p>分享嘉宾及PPT:</p>
 <ul>
@@ -21,7 +21,7 @@
 <li>郭平: Nacos - 贡献Dubbo生态，阿里巴巴注册中心和配置中心开源计划 (中文) <a href="https://github.com/dubbo/awesome-dubbo/blob/master/slides/meetup/201806%40Shanghai/nacos-open-source-initiative.pdf">slides</a></li>
 <li>潘志伟: Dubbo在互金行业的应用场景 (中文) <a href="https://github.com/dubbo/awesome-dubbo/blob/master/slides/meetup/201806%40Shanghai/dubbo-practices-on-internet-finance-industries.pdf">slides</a></li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-meetup-shenzhen.html b/zh-cn/blog/dubbo-meetup-shenzhen.html
index e59d5b494775..e2c21fe7b36f 100644
--- a/zh-cn/blog/dubbo-meetup-shenzhen.html
+++ b/zh-cn/blog/dubbo-meetup-shenzhen.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1761405534"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第三届Dubbo开发者沙龙在深圳成功举办</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-764374296"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>第三届Dubbo开发者沙龙在深圳成功举办</h1>
 <p>第三届Dubbo开发者沙龙在深圳成功举办，超过2000位开发者报名，现场参与人数700+，通过阿里云天池、云栖社区、大咖说引导线上直播观看次数17000+</p>
 <p>分享嘉宾</p>
 <ul>
@@ -20,7 +20,7 @@
 <li>康彬: 乐信集团的微服务化之路</li>
 <li>林佳梁: Sentinel——企业用户的全方位流量哨兵</li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-mesh-in-thinking.html b/zh-cn/blog/dubbo-mesh-in-thinking.html
index 3fef3df3a2fc..0946c0a58346 100644
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+++ b/zh-cn/blog/dubbo-mesh-in-thinking.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1367809386"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo在Service Mesh下的思考和方案</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1309832416"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo在Service Mesh下的思考和方案</h1>
 <h2>开头</h2>
 <p>Service Mesh这个“热”词是2016年9月被“造”出来，而今年2018年更是被称为service Mesh的关键之年，各家大公司都希望能在这个思潮下领先一步。今天我也分享阿里中间件在这方面的观点，思考和实践。考虑到有些人没了解过Dubbo(集团内以HSF为主)和Servicemesh，先简单介绍下这两个词。Dubbo应该是国内最受欢迎的远程服务框架，在Github上有超过2w的star数，也是阿里分布式架构互联互通的核心所在。跟Dubbo一样，servicemesh也是面向服务互联互通这一问题域，是云原生技术栈的核心之一；大家可以简单理解service mesh就是云原生组织定义的微服务架构解决理念。Dubbo是实现框架，融入servcemesh理念就是我们今天分享的。</p>
 <h2>现状和挑战</h2>
@@ -95,7 +95,7 @@ <h2>总结</h2>
 <li>一定把servicemesh设定在云原生的上下文中才具意义，离开了Kubernetes谈servicemesh的实践是不建议的大跃进。
 最后希望大家一起共建共享的Dubbo开源社区，谢谢。</li>
 </ol>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-mesh-service-mesh-exploring.html b/zh-cn/blog/dubbo-mesh-service-mesh-exploring.html
index 8256ddf8329d..f07fd94edb36 100644
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="443403706"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo Mesh ｜ Service Mesh的实践与探索</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1579054660"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo Mesh ｜ Service Mesh的实践与探索</h1>
 <p><img src="../../img/blog/meetup-chengdu/all-hands.webp" alt="img"></p>
 <p>近日，在Aliware Open Source•成都站-Apache Dubbo 开发者沙龙上，阿里巴巴中间件高级技术专家李云（至简）向开发者们分享了阿里巴巴中间件团队在Service Mmesh领域的探索和最新实践。本文是根据至简的现场分享所整理，为大家回顾分享中的精彩内容。</p>
 <h2>精彩观点导读</h2>
@@ -127,7 +127,7 @@ <h4>Client做解码和反序列化是吧，有计划支持HTTP2协议吗？</h4>
 <p>Envoy默认就支持了，不需我们开发。这也是借力开源的收益。</p>
 <h4>Dubbo Mesh已经支持UNIX Domain Socket了吗？</h4>
 <p>目前不支持，这个还处于意向阶段。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-new-async.html b/zh-cn/blog/dubbo-new-async.html
index 9d3563a6b7a5..a47ba5f35986 100644
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="707585081"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>如何基于Dubbo实现全异步调用链</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="2028702915"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>如何基于Dubbo实现全异步调用链</h1>
 <p>基于Dubbo实现全异步编程，是在2.7.0版本中对现有异步方式增强后新引入的功能。本文先是回顾2.6.x及之前版本对异步的支持情况及存在的问题，引出了2.7.0版本基于CompletableFuture做了哪些针对性的增强，通过几个示例详细阐述了增强后的异步编程的使用方式，最后总结了引入异步模式带来的新问题及Dubbo的解决方法。通过阅读这篇文章，可以很容易的基于Dubbo2.7.0+版本实现一个全异步的远程服务调用链路。</p>
 <h2>2.6.x版本之前的异步方式</h2>
 <p>在2.6.x及之前的版本提供了一定的异步编程能力，包括Consumer端<a href="http://dubbo.apache.org/books/dubbo-user-book/demos/async-call.html">异步调用</a>、<a href="http://dubbo.apache.org/books/dubbo-user-book/demos/callback-parameter.html">参数回调</a>、<a href="http://dubbo.apache.org/books/dubbo-user-book/demos/events-notify.html">事件通知</a>等，在上面的文档链接中有关于使用方式的简单介绍和Demo。</p>
@@ -396,7 +396,7 @@ <h3>上下文传递</h3>
     }
 }
 </code></pre>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo-zk.html b/zh-cn/blog/dubbo-zk.html
index cc2bacbc77ce..31bb366b0a7c 100644
--- a/zh-cn/blog/dubbo-zk.html
+++ b/zh-cn/blog/dubbo-zk.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-708622995"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>在 Dubbo 应用中使用 Zookeeper</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1707676184"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>在 Dubbo 应用中使用 Zookeeper</h1>
 <h2>Zookeeper 介绍</h2>
 <h3>基本概念</h3>
 <p>在现代的分布式应用中，往往会出现节点和节点之间的协调问题，其中就包括了：选主、集群管理、分布式锁、分布式配置管理、统一命名服务、状态同步等诉求。<a href="https://zookeeper.apache.org">Apache Zookeeper</a>，正如它的名字所暗示的那样，<em>动物园管理员</em>，就是为了解决这些诉求的一个分布式协调服务框架。</p>
@@ -255,7 +255,7 @@ <h2>总结</h2>
 </li>
 </ol>
 </section>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/dubbo2-js.html b/zh-cn/blog/dubbo2-js.html
index e10bdc8777ff..9d64b9ba38f8 100644
--- a/zh-cn/blog/dubbo2-js.html
+++ b/zh-cn/blog/dubbo2-js.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1286480060"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>从跨语言调用到dubbo2.js</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="504006606"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>从跨语言调用到dubbo2.js</h1>
 <blockquote>
 <p><a href="https://github.com/dubbo/dubbo2.js">dubbo2.js</a> 是 <a href="https://www.qianmi.com/">千米网</a> 贡献给 dubbo 社区的一款 nodejs dubbo 客户端，它提供了 nodejs 对原生 dubbo 协议的支持，使得 nodejs 和 java 这两种异构语言的 rpc 调用变得便捷，高效。</p>
 </blockquote>
@@ -223,7 +223,7 @@ <h2>dubbo2.js特性</h2>
 </ul>
 <h2>更多细节</h2>
 <p>本文中的示例代码，提供在此处，<a href="https://github.com/lexburner/Dubbojs-Learning">https://github.com/lexburner/Dubbojs-Learning</a> 。如果你对 dubbo 协议不甚了解，想要理解它的工作原理，项目中提供了一个子 moudle — java-socket-consumer，使用面向过程的思路实现了 java-socket-consumer，完成了原生 socket 发送 dubbo 协议报文，完成方法调用，并获取响应的全流程。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/how-to-involve-dubbo-community.html b/zh-cn/blog/how-to-involve-dubbo-community.html
index ed3ed69e94f2..8d7c6e00916c 100644
--- a/zh-cn/blog/how-to-involve-dubbo-community.html
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@@ -12,7 +12,7 @@
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-70587180"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>如何参与贡献Dubbo社区</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-696150690"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>如何参与贡献Dubbo社区</h1>
 <p><img src="../../img/blog/involve-dubbo/head.jpg" alt="img"></p>
 <h2>前言</h2>
 <p>本文首次分享是在Apache Dubbo(incubating)成都meetup上，这个话题是第一次在meetup上讲，不是我们没有更好的话题，相反，我们认为这个话题非常重要，甚至建议这个话题以后每次meetup都要讲。</p>
@@ -87,7 +87,7 @@ <h2>加入Apache孵化</h2>
 <h2>结语</h2>
 <p>希望越来越多的公司团队和个人能够贡献到国际化的开源社区里去，一起打造我们中国的开源品牌！也希望大家都能愉快去贡献，罗马非一日建成，但付出一定会有回报。</p>
 <p>这里透露一个小福利，所有Apache Committer可以免费使用IntelliJ的全套付费产品，包括全宇宙最好用的IDEA。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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data-reactid="203">主要介绍了面向分布式服务架构的轻量级流量控制组件 Sentinel 以及在 Dubbo 中整合使用 Sentinel 的最佳实践。</p></a></div><div class="slider-item" data-reactid="204"><a href="/zh-cn/blog/pinpoint.html" target="_self" class="blog-item" data-reactid="205"><div class="title" data-reactid="206"><img src="/img/docs_normal.png" data-reactid="207"/><span data-reactid="208">使用Pinpoint做分布式跟踪</span></div><div class="brief-info" data-reactid="209"><span class="author" data-reactid="210">@majinkai</span><span class="date" data-reactid="211">July 12th, 2018</span></div><p data-reactid="212">利用Pinpoint对Dubbo分布式应用进行调用链跟踪与性能监控</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="213"><div class="slider-item" data-reactid="214"><a href="/zh-cn/blog/dubbo-invoke.html" target="_self" class="blog-item" data-reactid="215"><div class="title" data-reactid="216"><img src="/img/docs_normal.png" data-reactid="217"/><span data-reactid="218">Dubbo 的同步与异步调用方式</span></div><div class="brief-info" data-reactid="219"><span class="author" data-reactid="220">@Jerrick Zhu</span><span class="date" data-reactid="221">July 10th, 2018</span></div><p data-reactid="222">主要讲述了 Dubbo 在底层异步通信机制的基础上实现的同步调用、异步调用、参数回调以及事件通知几种方式及示例。</p></a></div><div class="slider-item" data-reactid="223"><a href="/zh-cn/blog/dubbo-101.html" target="_self" class="blog-item" data-reactid="224"><div class="title" data-reactid="225"><img src="/img/docs_normal.png" data-reactid="226"/><span data-reactid="227">第一个 Dubbo 应用</span></div><div class="brief-info" data-reactid="228"><span class="author" data-reactid="229">@beiwei30</span><span class="date" data-reactid="230">June 2nd, 2018</span></div><p data-reactid="231">现代的分布式服务框架的基本概念与 RMI 是类似的，同样是使用 Java 的 Interface 作为服务契约，通过注册中心来完成服务的注册和发现，远程通讯的细节也是通过代理类来屏蔽。</p></a></div><div class="slider-item" data-reactid="232"><a href="/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html" target="_self" class="blog-item" data-reactid="233"><div class="title" data-reactid="234"><img src="/img/docs_normal.png" data-reactid="235"/><span data-reactid="236">Dubbo基本用法之Provider配置</span></div><div class="brief-info" data-reactid="237"><span class="author" data-reactid="238">@cvictory</span><span class="date" data-reactid="239">June 1st, 2018</span></div><p data-reactid="240">主要讲述如何配置dubbo，按照配置方式上分，可以分为：XML配置，properties方式配置，注解方式配置，API调用方式配置。</p></a></div><div class="slider-item" data-reactid="241"><a href="/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html" target="_self" class="blog-item" data-reactid="242"><div class="title" data-reactid="243"><img src="/img/docs_normal.png" data-reactid="244"/><span data-reactid="245">Spring Boot Dubbo应用启停源码分析</span></div><div class="brief-info" data-reactid="246"><span class="author" data-reactid="247">@Huxing Zhang</span><span class="date" data-reactid="248">May 28th, 2018</span></div><p data-reactid="249">dubbo-spring-boot-project致力于简化 Dubbo RPC 框架在Spring Boot应用场景的开发，同时也整合了Spring Boot特性。</p></a></div><div class="slider-item" data-reactid="250"><a href="/zh-cn/blog/optimization-branch-prediction.html" target="_self" class="blog-item" data-reactid="251"><div class="title" data-reactid="252"><img src="/img/docs_normal.png" data-reactid="253"/><span data-reactid="254">优化技巧：提前if判断帮助CPU分支预测</span></div><div class="brief-info" data-reactid="255"><span class="author" data-reactid="256">@hengyunabc</span><span class="date" data-reactid="257">May 20th, 2018</span></div><p data-reactid="258">要提高代码执行效率，一个重要的原则就是尽量避免CPU把流水线清空，那么提高分支预测的成功率就非常重要。那么对于代码里，如果某个switch分支概率很高，是否可以考虑代码层面帮CPU把判断提前，来提高代码执行效率呢？</p></a></div></div><div class="slider-page" style="width:0;" data-reactid="259"><div class="slider-item" data-reactid="260"><a href="/zh-cn/blog/introduction-to-dubbo-spi.html" target="_self" class="blog-item" data-reactid="261"><div class="title" data-reactid="262"><img src="/img/docs_normal.png" data-reactid="263"/><span data-reactid="264">Dubbo可扩展机制实战</span></div><div class="brief-info" data-reactid="265"><span class="author" data-reactid="266">@vangoleo</span><span class="date" data-reactid="267">May 10th, 2018</span></div><p data-reactid="268">在谈到软件设计时，可扩展性一直被谈起，那到底什么才是可扩展性，什么样的框架才算有良好的可扩展性呢？</p></a></div><div class="slider-item" data-reactid="269"><a href="/zh-cn/blog/introduction-to-dubbo-spi-2.html" target="_self" class="blog-item" data-reactid="270"><div class="title" data-reactid="271"><img src="/img/docs_normal.png" data-reactid="272"/><span data-reactid="273">Dubbo可扩展机制源码解析</span></div><div class="brief-info" data-reactid="274"><span class="author" data-reactid="275">@vangoleo</span><span class="date" data-reactid="276">May 10th, 2018</span></div><p data-reactid="277">在前面的博客中，我们了解了Dubbo扩展机制的一些概念，初探了Dubbo中LoadBalance的实现，并自己实现了一个LoadBalance。接下来，我们就深入Dubbo的源码，一睹庐山真面目。</p></a></div></div></div><div class="slider-control" data-reactid="278"><img class="slider-control-prev slider-control-prev-hidden" src="/img/prev.png" data-reactid="279"/><img class="slider-control-next" src="/img/next.png" data-reactid="280"/></div></div></div><div class="col col-6 right-part" data-reactid="281"><h4 data-reactid="282">所有文章</h4><ul data-reactid="283"><li data-reactid="284"><a href="/zh-cn/blog/dubbo-mesh-in-thinking.html" data-reactid="285"><span data-reactid="286"><!-- react-text: 287 -->Sep 25th, 2018<!-- /react-text --><!-- react-text: 288 -->  <!-- /react-text --></span><span data-reactid="289">Dubbo在Service Mesh下的思考和方案</span></a></li><li data-reactid="290"><a href="/zh-cn/blog/dubbo-mesh-service-mesh-exploring.html" data-reactid="291"><span data-reactid="292"><!-- react-text: 293 -->Sep 14th, 2018<!-- /react-text --><!-- react-text: 294 -->  <!-- /react-text --></span><span data-reactid="295">Dubbo Mesh ｜ Service Mesh的实践与探索</span></a></li><li data-reactid="296"><a href="/zh-cn/blog/meet-dubbo.html" data-reactid="297"><span data-reactid="298"><!-- react-text: 299 -->Sep 7th, 2018<!-- /react-text --><!-- react-text: 300 -->  <!-- 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data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->Sep 3nd, 2018<!-- /react-text --><!-- react-text: 324 -->  <!-- /react-text --></span><span data-reactid="325">使用Skywalking追踪Dubbo服务</span></a></li><li data-reactid="326"><a href="/zh-cn/blog/prepare-an-apache-release.html" data-reactid="327"><span data-reactid="328"><!-- react-text: 329 -->Sep 2nd, 2018<!-- /react-text --><!-- react-text: 330 -->  <!-- /react-text --></span><span data-reactid="331">如何准备Apache Release</span></a></li><li data-reactid="332"><a href="/zh-cn/blog/dubbo-contribue-to-opensource.html" data-reactid="333"><span data-reactid="334"><!-- react-text: 335 -->August 28th, 2018<!-- /react-text --><!-- react-text: 336 -->  <!-- /react-text --></span><span data-reactid="337">以Dubbo为例，聊聊如何向开源项目做贡献</span></a></li><li data-reactid="338"><a href="/zh-cn/blog/dubbo-integrate-with-hystrix.html" data-reactid="339"><span data-reactid="340"><!-- react-text: 341 -->August 10th, 2018<!-- /react-text --><!-- 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--><!-- react-text: 384 -->  <!-- /react-text --></span><span data-reactid="385">在 Dubbo 中使用注解</span></a></li><li data-reactid="386"><a href="/zh-cn/blog/dubbo2-js.html" data-reactid="387"><span data-reactid="388"><!-- react-text: 389 -->July 27th, 2018<!-- /react-text --><!-- react-text: 390 -->  <!-- /react-text --></span><span data-reactid="391">从跨语言调用到 dubbo2.js</span></a></li><li data-reactid="392"><a href="/zh-cn/blog/sentinel-introduction-for-dubbo.html" data-reactid="393"><span data-reactid="394"><!-- react-text: 395 -->July 24th, 2018<!-- /react-text --><!-- react-text: 396 -->  <!-- /react-text --></span><span data-reactid="397">Sentinel 为 Dubbo 服务保驾护航</span></a></li><li data-reactid="398"><a href="/zh-cn/blog/pinpoint.html" data-reactid="399"><span data-reactid="400"><!-- react-text: 401 -->July 12th, 2018<!-- /react-text --><!-- react-text: 402 -->  <!-- /react-text --></span><span data-reactid="403">使用Pinpoint做分布式跟踪</span></a></li><li data-reactid="404"><a 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data-reactid="445">Dubbo可扩展机制源码解析</span></a></li></ul></div></section><footer class="footer-container" data-reactid="446"><div class="footer-body" data-reactid="447"><img src="/img/dubbo_gray.png" data-reactid="448"/><img class="apache" src="/img/apache_logo.png" data-reactid="449"/><div class="cols-container" data-reactid="450"><div class="col col-12" data-reactid="451"><h3 data-reactid="452">Disclaimer</h3><p data-reactid="453">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="454"><dl data-reactid="455"><dt data-reactid="456">ASF</dt><dd data-reactid="457"><a href="http://www.apache.org" data-reactid="458">Foundation</a></dd><dd data-reactid="459"><a href="http://www.apache.org/licenses/" data-reactid="460">License</a></dd><dd data-reactid="461"><a href="http://www.apache.org/events/current-event" data-reactid="462">Events</a></dd><dd data-reactid="463"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="464">Sponsorship</a></dd><dd data-reactid="465"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="466">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="467"><dl data-reactid="468"><dt data-reactid="469">文档</dt><dd data-reactid="470"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="471">快速开始</a></dd><dd data-reactid="472"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="473">开发者指南</a></dd><dd data-reactid="474"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="475">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="476"><dl data-reactid="477"><dt data-reactid="478">资源</dt><dd data-reactid="479"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="480">博客</a></dd><dd data-reactid="481"><a href="/zh-cn/community/index.html" target="_self" data-reactid="482">社区</a></dd></dl></div></div><div class="copyright" data-reactid="483"><span data-reactid="484">Copyright © 2018 The Apache Software Foundation. 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href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/blog.png" class="front-img" data-reactid="22"/><span data-reactid="23">博客</span><img src="/img/blog.png" class="back-img" data-reactid="24"/></div></div><section class="blog-container" data-reactid="25"><div class="col col-18 left-part" data-reactid="26"><div class="page-slider" data-reactid="27"><div class="slider-list" style="transform:translateX(-0px);transition:transform 500ms ease;width:0;" data-reactid="28"><div class="slider-page" style="width:0;" data-reactid="29"><div class="slider-item" data-reactid="30"><a href="/zh-cn/blog/dubbo-mesh-in-thinking.html" target="_self" class="blog-item" data-reactid="31"><div class="title" data-reactid="32"><img src="/img/docs_normal.png" 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href="/zh-cn/blog/prepare-an-apache-release.html" data-reactid="363"><span data-reactid="364"><!-- react-text: 365 -->August 8th, 2018<!-- /react-text --><!-- react-text: 366 -->  <!-- /react-text --></span><span data-reactid="367">如何准备一次Apache发布</span></a></li><li data-reactid="368"><a href="/zh-cn/blog/dubbo-zk.html" data-reactid="369"><span data-reactid="370"><!-- react-text: 371 -->August 3rd, 2018<!-- /react-text --><!-- react-text: 372 -->  <!-- /react-text --></span><span data-reactid="373">在 Dubbo 应用中使用 Zookeeper</span></a></li><li data-reactid="374"><a href="/zh-cn/blog/introduction-to-dubbo-qos.html" data-reactid="375"><span data-reactid="376"><!-- react-text: 377 -->August 2nd, 2018<!-- /react-text --><!-- react-text: 378 -->  <!-- /react-text --></span><span data-reactid="379">通过QoS对服务进行动态控制</span></a></li><li data-reactid="380"><a href="/zh-cn/blog/dubbo-annotation.html" data-reactid="381"><span data-reactid="382"><!-- react-text: 383 -->August 1st, 2018<!-- /react-text --><!-- react-text: 384 -->  <!-- /react-text --></span><span data-reactid="385">在 Dubbo 中使用注解</span></a></li><li data-reactid="386"><a href="/zh-cn/blog/dubbo2-js.html" data-reactid="387"><span data-reactid="388"><!-- react-text: 389 -->July 27th, 2018<!-- /react-text --><!-- react-text: 390 -->  <!-- /react-text --></span><span data-reactid="391">从跨语言调用到 dubbo2.js</span></a></li><li data-reactid="392"><a href="/zh-cn/blog/sentinel-introduction-for-dubbo.html" data-reactid="393"><span data-reactid="394"><!-- react-text: 395 -->July 24th, 2018<!-- /react-text --><!-- react-text: 396 -->  <!-- /react-text --></span><span data-reactid="397">Sentinel 为 Dubbo 服务保驾护航</span></a></li><li data-reactid="398"><a href="/zh-cn/blog/pinpoint.html" data-reactid="399"><span data-reactid="400"><!-- react-text: 401 -->July 12th, 2018<!-- /react-text --><!-- react-text: 402 -->  <!-- /react-text --></span><span data-reactid="403">使用Pinpoint做分布式跟踪</span></a></li><li data-reactid="404"><a href="/zh-cn/blog/dubbo-invoke.html" data-reactid="405"><span data-reactid="406"><!-- react-text: 407 -->July 10th, 2018<!-- /react-text --><!-- react-text: 408 -->  <!-- /react-text --></span><span data-reactid="409">Dubbo 的同步与异步调用方式</span></a></li><li data-reactid="410"><a href="/zh-cn/blog/dubbo-101.html" data-reactid="411"><span data-reactid="412"><!-- react-text: 413 -->June 2nd, 2018<!-- /react-text --><!-- react-text: 414 -->  <!-- /react-text --></span><span data-reactid="415">第一个 Dubbo 应用</span></a></li><li data-reactid="416"><a href="/zh-cn/blog/dubbo-basic-usage-dubbo-provider-configuration.html" data-reactid="417"><span data-reactid="418"><!-- react-text: 419 -->June 1st, 2018<!-- /react-text --><!-- react-text: 420 -->  <!-- /react-text --></span><span data-reactid="421">Dubbo基本用法之Provider配置</span></a></li><li data-reactid="422"><a href="/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html" data-reactid="423"><span data-reactid="424"><!-- react-text: 425 -->May 28th, 2018<!-- /react-text --><!-- react-text: 426 -->  <!-- /react-text --></span><span data-reactid="427">Spring Boot Dubbo应用启停源码分析</span></a></li><li data-reactid="428"><a href="/zh-cn/blog/optimization-branch-prediction.html" data-reactid="429"><span data-reactid="430"><!-- react-text: 431 -->May 20th, 2018<!-- /react-text --><!-- react-text: 432 -->  <!-- /react-text --></span><span data-reactid="433">优化技巧：提前if判断帮助CPU分支预测</span></a></li><li data-reactid="434"><a href="/zh-cn/blog/introduction-to-dubbo-spi.html" data-reactid="435"><span data-reactid="436"><!-- react-text: 437 -->May 10th, 2018<!-- /react-text --><!-- react-text: 438 -->  <!-- /react-text --></span><span data-reactid="439">Dubbo可扩展机制实战</span></a></li><li data-reactid="440"><a href="/zh-cn/blog/introduction-to-dubbo-spi-2.html" data-reactid="441"><span data-reactid="442"><!-- react-text: 443 -->May 10th, 2018<!-- /react-text --><!-- react-text: 444 -->  <!-- /react-text --></span><span data-reactid="445">Dubbo可扩展机制源码解析</span></a></li></ul></div></section><footer class="footer-container" data-reactid="446"><div class="footer-body" data-reactid="447"><img src="/img/dubbo_gray.png" data-reactid="448"/><img class="apache" src="/img/apache_logo.png" data-reactid="449"/><div class="cols-container" data-reactid="450"><div class="col col-12" data-reactid="451"><h3 data-reactid="452">Disclaimer</h3><p data-reactid="453">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="454"><dl data-reactid="455"><dt data-reactid="456">ASF</dt><dd data-reactid="457"><a href="http://www.apache.org" target="_self" data-reactid="458">基金会</a></dd><dd data-reactid="459"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="460">证书</a></dd><dd data-reactid="461"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="462">事件</a></dd><dd data-reactid="463"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="464">赞助</a></dd><dd data-reactid="465"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="466">致谢</a></dd></dl></div><div class="col col-4" data-reactid="467"><dl data-reactid="468"><dt data-reactid="469">文档</dt><dd data-reactid="470"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="471">快速开始</a></dd><dd data-reactid="472"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="473">开发者指南</a></dd><dd data-reactid="474"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="475">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="476"><dl data-reactid="477"><dt data-reactid="478">资源</dt><dd data-reactid="479"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="480">博客</a></dd><dd data-reactid="481"><a href="/zh-cn/community/index.html" target="_self" data-reactid="482">社区</a></dd></dl></div></div><div class="copyright" data-reactid="483"><span data-reactid="484">Copyright © 2018 The Apache Software Foundation. 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diff --git a/zh-cn/blog/introduction-to-dubbo-qos.html b/zh-cn/blog/introduction-to-dubbo-qos.html
index 300b8b398110..f4d44327c4cf 100644
--- a/zh-cn/blog/introduction-to-dubbo-qos.html
+++ b/zh-cn/blog/introduction-to-dubbo-qos.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="53337111"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>通过QoS对服务进行动态控制</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-609057631"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>通过QoS对服务进行动态控制</h1>
 <p>QoS，全称为<code>Quality of Service</code>, 是常见于网络设备中的一个术语 ，例如在路由器中，可以通过Qos动态的调整和控制某些端口的权重，从而优先的保障运行在这些端口上的服务质量。</p>
 <p>在Dubbo中，QoS这个概念被用于动态的对服务进行查询和控制。例如对获取当前提供和消费的所有服务，以及对服务进行动态的上下线，即从注册中心上进行注册和反注册操作。</p>
 <h2>QoS工作机制</h2>
@@ -225,7 +225,7 @@ <h3>使用spring-boot自动装配方式配置</h3>
 dubbo.application.qosPort=33333
 dubbo.application.qosAcceptForeignIp=false
 </code></pre>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/introduction-to-dubbo-spi-2.html b/zh-cn/blog/introduction-to-dubbo-spi-2.html
index 7db3a2f57f06..f79884812a2d 100644
--- a/zh-cn/blog/introduction-to-dubbo-spi-2.html
+++ b/zh-cn/blog/introduction-to-dubbo-spi-2.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1809799972"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo可扩展机制源码解析</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="2139376998"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo可扩展机制源码解析</h1>
 <p>在<a href="./introduction-to-dubbo-spi.md">Dubbo可扩展机制实战</a>中，我们了解了Dubbo扩展机制的一些概念，初探了Dubbo中LoadBalance的实现，并自己实现了一个LoadBalance。是不是觉得Dubbo的扩展机制很不错呀，接下来，我们就深入Dubbo的源码，一睹庐山真面目。</p>
 <h2>ExtensionLoader</h2>
 <p>ExtentionLoader是最核心的类，负责扩展点的加载和生命周期管理。我们就以这个类开始吧。
@@ -373,7 +373,7 @@ <h2>扩展点自适应</h2>
     <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">destroy</span><span class="hljs-params">()</span></span>;
 </code></pre>
 <p>可以看到Protocol接口中有4个方法，但只有export和refer两个方法使用了@Adaptive注解。Dubbo自动生成的自适应实例，只有@Adaptive修饰的方法才有具体的实现。所以，Protocol$Adpative类中，也只有export和refer这两个方法有具体的实现，其余方法都是抛出异常。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/introduction-to-dubbo-spi.html b/zh-cn/blog/introduction-to-dubbo-spi.html
index 8aaec9a31f99..731b08e5f932 100644
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+++ b/zh-cn/blog/introduction-to-dubbo-spi.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1206208606"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo可扩展机制实战</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="55468076"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Dubbo可扩展机制实战</h1>
 <h2>1. Dubbo的扩展机制</h2>
 <p>在Dubbo的官网上，Dubbo描述自己是一个高性能的RPC框架。今天我想聊聊Dubbo的另一个很棒的特性, 就是它的可扩展性。
 如同罗马不是一天建成的，任何系统都一定是从小系统不断发展成为大系统的，想要从一开始就把系统设计的足够完善是不可能的，相反的，我们应该关注当下的需求，然后再不断地对系统进行迭代。在代码层面，要求我们适当的对关注点进行抽象和隔离，在软件不断添加功能和特性时，依然能保持良好的结构和可维护性，同时允许第三方开发者对其功能进行扩展。在某些时候，软件设计者对扩展性的追求甚至超过了性能。</p>
@@ -197,7 +197,7 @@ <h2>总结</h2>
 <li>切换扩展点的实现，只需要在配置文件中修改具体的实现，不需要改代码。使用方便。</li>
 </ul>
 <p>下一篇，我们将会一起深入Dubbo的源码，更深入的了解Dubbo的可扩展机制。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/meet-dubbo.html b/zh-cn/blog/meet-dubbo.html
index c71982340ea1..4921c64a124e 100644
--- a/zh-cn/blog/meet-dubbo.html
+++ b/zh-cn/blog/meet-dubbo.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="4084659"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>遇见Dubbo</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1432615982"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>遇见Dubbo</h1>
 <p>我是一个有Dubbo情节的程序员。</p>
 <p>Dubbo以不同方式，陪伴了我时间不长的整个代码生涯。不久前，通过社区投票，我被选举为<code>Committer</code>。当时我在朋友圈发了一句话，也是贯穿我从开始使用Dubbo、研究Dubbo、贡献Dubbo到最后成为<code>Committer</code>的全过程，一直为我提供内心无与伦比愉悦的源泉：成长这种事，能看见脚印特别幸福。</p>
 <p>今天来个回忆杀，把我和Dubbo的那些事拿出来说说。</p>
@@ -48,7 +48,7 @@ <h2>Committer</h2>
 <h2>结尾</h2>
 <p>Dubbo目前还在孵化阶段，整个Dubbo社区还不完善，我们也在跟着Dubbo一起成长，我们非常希望更多的Dubbo爱好者深度参与到Dubbo中，为你的代码生涯树一个里程碑。</p>
 <p>相信过程，收获结果；天道酬勤，功不唐捐！</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/optimization-branch-prediction.html b/zh-cn/blog/optimization-branch-prediction.html
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@@ -12,7 +12,7 @@
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="878439171"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>优化技巧：提前if判断帮助CPU分支预测</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1149922419"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>优化技巧：提前if判断帮助CPU分支预测</h1>
 <h2>分支预测</h2>
 <p>在stackoverflow上有一个非常有名的问题：<a href="https://stackoverflow.com/questions/11227809/why-is-it-faster-to-process-a-sorted-array-than-an-unsorted-array">为什么处理有序数组要比非有序数组快？</a>，可见分支预测对代码运行效率有非常大的影响。</p>
 <p>现代CPU都支持分支预测(branch prediction)和指令流水线(instruction pipeline)，这两个结合可以极大提高CPU效率。对于像简单的if跳转，CPU是可以比较好地做分支预测的。但是对于switch跳转，CPU则没有太多的办法。switch本质上是据索引，从地址数组里取地址再跳转。</p>
@@ -131,7 +131,7 @@ <h2>总结</h2>
 <li>switch对于CPU来说难以做分支预测</li>
 <li>某些switch条件如果概率比较高，可以考虑单独提前if判断，充分利用CPU的分支预测机制</li>
 </ul>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/pinpoint.html b/zh-cn/blog/pinpoint.html
index d8f9fd09b850..7667507a1615 100644
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+++ b/zh-cn/blog/pinpoint.html
@@ -12,7 +12,7 @@
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 </head>
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-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1798127280"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>使用Pinpoint做分布式跟踪</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1655084582"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>使用Pinpoint做分布式跟踪</h1>
 <p>在使用Dubbo进行服务化或者整合应用后，假设某个服务后台日志显示有异常，这个服务又被多个应用调用的情况下，我们通常很难判断是哪个应用调用的，问题的起因是什么，因此我们需要一套分布式跟踪系统来快速定位问题，Pinpoint可以帮助我们快速定位问题（当然，解决方案也不止这一种）。</p>
 <h2>什么是Pinpoint(摘自<a href="https://skyao.gitbooks.io/learning-pinpoint/">Pinpoint学习笔记</a>)</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a>是一个开源的 APM (Application Performance Management/应用性能管理)工具，用于基于java的大规模分布式系统。
@@ -391,7 +391,7 @@ <h3>深入跟踪</h3>
 <p><img src="../../img/blog/pinpoint-mixedview.png" alt="/admin-guide/images/pinpoint-mixedview.png"></p>
 <h3>其他</h3>
 <p>示例简单的模拟了Dubbo的提供和调用，并没有进行数据库等其他中间件的应用，详细使用请参照Pinpoint文档。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/prepare-an-apache-release.html b/zh-cn/blog/prepare-an-apache-release.html
index 8e6d3a10d999..386b19a8ee22 100644
--- a/zh-cn/blog/prepare-an-apache-release.html
+++ b/zh-cn/blog/prepare-an-apache-release.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="304576964"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>如何准备Apache Release</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="382515176"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>如何准备Apache Release</h1>
 <h2>理解Apache发布的内容和流程</h2>
 <p>总的来说，Source Release是Apache关注的重点，也是发布的必须内容；而Binary Release是可选项，Dubbo可以选择是否发布二进制包到Apache仓库或者发布到Maven中央仓库。</p>
 <p>请参考以下链接，找到更多关于ASF的发布指南:</p>
@@ -143,7 +143,7 @@ <h2>本地构建环境准备</h2>
 <h2>打包&amp;上传</h2>
 <ol>
 <li>
-<p>从主干分支拉取新分支作为发布分支，如现在要发布${release_version}版本，则从2.6.x拉出新分支${release_version}-release，此后${release_version} Release Candidates涉及的修改及打标签等都在${release_version}-release分支进行，最终发布完成后合入主干分支。</p>
+<p>从主干分支拉取新分支作为发布分支，如现在要发布{release_version}版本，则从2.6.x拉出新分支{release_version}-release，此后{release_version} Release Candidates涉及的修改及打标签等都在{release_version}-release分支进行，最终发布完成后合入主干分支。</p>
 </li>
 <li>
 <p>首先，在${release_version}-release分支验证maven组件打包、source源码打包、签名等是否都正常工作(2.6.x记得要使用1.7或以下版本JDK进行编译打包)</p>
@@ -334,12 +334,16 @@ <h2>进入投票</h2>
 <h2>正式发布</h2>
 <ol>
 <li>提交 <a href="https://dist.apache.org/repos/dist/dev/incubator/dubbo">https://dist.apache.org/repos/dist/dev/incubator/dubbo</a> 目录下的发布包到 <a href="https://dist.apache.org/repos/dist/release/incubator/dubbo/">https://dist.apache.org/repos/dist/release/incubator/dubbo/</a> ，完成正式发布（KEYS有更新的，也需要同步发布）。</li>
-<li>发邮件到 <a href="mailto:dev@dubbo.apache.org">dev@dubbo.apache.org</a> 和 <a href="mailto:general@apache.org">general@apache.org</a> ，通知社区发布完成。</li>
+<li>发邮件到 <a href="mailto:dev@dubbo.apache.org">dev@dubbo.apache.org</a> 和 <a href="mailto:general@apache.org">general@apache.org</a>，通知社区发布完成。</li>
+<li>合并${release-version}-release分支到对应的主干分支。</li>
+<li>在Github上发布<a href="https://github.com/apache/incubator-dubbo/releases">release notes</a>。</li>
+<li>更新<a href="https://github.com/apache/incubator-dubbo#maven-dependency">Github</a>上的推荐依赖到最新版本。</li>
+<li>在<a href="http://dubbo.apache.org/">官网</a>发布公告，宣布版本发布成功。</li>
 </ol>
 <h2>完成Maven Convenient Binary发布（可选）</h2>
 <p><strong><a href="http://apache.repository.org">apache.repository.org</a> nexus仓库的权限已经申请，参见<a href="https://issues.apache.org/jira/browse/INFRA-16451">jira</a>。</strong></p>
 <p>之前发布到maven仓库的artifacts都处于staging状态，用Apache id登录 <a href="http://apache.repository.org">apache.repository.org</a> ，发布即可。</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/prepare-an-apache-release.json b/zh-cn/blog/prepare-an-apache-release.json
index 551d8a9ed287..a87a62bc00b2 100644
--- a/zh-cn/blog/prepare-an-apache-release.json
+++ b/zh-cn/blog/prepare-an-apache-release.json
@@ -1,6 +1,6 @@
 {
   "filename": "prepare-an-apache-release.md",
-  "__html": "<h1>如何准备Apache Release</h1>\n<h2>理解Apache发布的内容和流程</h2>\n<p>总的来说，Source Release是Apache关注的重点，也是发布的必须内容；而Binary Release是可选项，Dubbo可以选择是否发布二进制包到Apache仓库或者发布到Maven中央仓库。</p>\n<p>请参考以下链接，找到更多关于ASF的发布指南:</p>\n<ul>\n<li><a href=\"http://www.apache.org/dev/release-publishing\">Apache Release Guide</a></li>\n<li><a href=\"http://www.apache.org/dev/release.html\">Apache Release Policy</a></li>\n<li><a href=\"http://www.apache.org/dev/publishing-maven-artifacts.html\">Maven Release Info</a></li>\n</ul>\n<h2>本地构建环境准备</h2>\n<p>主要包括签名工具、Maven仓库认证相关准备</p>\n<ol>\n<li>\n<p>安装GPG，参见 <a href=\"https://www.gnupg.org/download/index.html\">https://www.gnupg.org/download/index.html</a></p>\n<ul>\n<li>如Mac OS</li>\n</ul>\n<pre><code class=\"language-sh\">$ brew install gpg\n$ gpg --version <span class=\"hljs-comment\">#检查版本，应该为2.x</span>\n</code></pre>\n</li>\n<li>\n<p>用gpg生成key</p>\n<ul>\n<li>根据提示，生成key</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> gpg --full-gen-key</span>\ngpg (GnuPG) 2.0.12; Copyright (C) 2009 Free Software Foundation, Inc.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\nPlease select what kind of key you want:\n  (1) RSA and RSA (default)\n  (2) DSA and Elgamal\n  (3) DSA (sign only)\n  (4) RSA (sign only)\nYour selection? 1\nRSA keys may be between 1024 and 4096 bits long.\nWhat keysize do you want? (2048) 4096\nRequested keysize is 4096 bits\nPlease specify how long the key should be valid.\n        0 = key does not expire\n     &lt;n&gt;  = key expires in n days\n     &lt;n&gt;w = key expires in n weeks\n     &lt;n&gt;m = key expires in n months\n     &lt;n&gt;y = key expires in n years\nKey is valid for? (0) \nKey does not expire at all\nIs this correct? (y/N) y\n\nGnuPG needs to construct a user ID to identify your key.\n\nReal name: Robert Burrell Donkin\nEmail address: rdonkin@apache.org\nComment: CODE SIGNING KEY\nYou selected this USER-ID:\n   \"Robert Burrell Donkin (CODE SIGNING KEY) &lt;rdonkin@apache.org&gt;\"\n\nChange (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O\nYou need a Passphrase to protect your secret key. # 填入密码，以后打包过程中会经常用到\n</code></pre>\n<ul>\n<li>查看key id</li>\n</ul>\n<pre><code class=\"language-sh\">$ gpg --list-keys\npub   rsa4096/28681CB1 2018-04-26 <span class=\"hljs-comment\"># 28681CB1就是key id</span>\nuid       [ultimate] liujun (apache-dubbo) &lt;liujun@apache.org&gt;\nsub   rsa4096/D3D6984B 2018-04-26\n\n<span class=\"hljs-comment\"># 通过key id发送public key到keyserver</span>\n$ gpg --keyserver pgpkeys.mit.edu --send-key 28681CB1\n<span class=\"hljs-comment\"># 其中，pgpkeys.mit.edu为随意挑选的keyserver，keyserver列表为：https://sks-keyservers.net/status/，因为相互之间是自动同步的，选任意一个都可以。</span>\n</code></pre>\n<ul>\n<li>如果有多个public key，设置默认key</li>\n</ul>\n<p>~/.gnupg/gpg.conf</p>\n<pre><code class=\"language-proper\"># If you have more than 1 secret key in your keyring, you may want to\n# uncomment the following option and set your preferred keyid.\n\ndefault-key 28681CB1\n</code></pre>\n<p>PS: 最新版本经过实测，本地没有gpg.conf这个文件，因此如果在执行过程中遇到签名失败，可以参考这个文章：<a href=\"https://blog.csdn.net/wenbo20182/article/details/72850810\">https://blog.csdn.net/wenbo20182/article/details/72850810</a> 或 <a href=\"https://d.sb/2016/11/gpg-inappropriate-ioctl-for-device-errors\">https://d.sb/2016/11/gpg-inappropriate-ioctl-for-device-errors</a></p>\n</li>\n<li>\n<p>设置Apache中央仓库</p>\n<ul>\n<li>Dubbo项目的父pom为apache pom(2.6.x发布版本不需要此操作)</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">parent</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">groupId</span>&gt;</span>org.apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">groupId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">artifactId</span>&gt;</span>apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">artifactId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">version</span>&gt;</span>19<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">version</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">parent</span>&gt;</span>\n</code></pre>\n<ul>\n<li>\n<p>添加以下内容到.m2/settings.xml</p>\n<p>所有密码请使用<a href=\"http://maven.apache.org/guides/mini/guide-encryption.html\">maven-encryption-plugin</a>加密后再填入</p>\n</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">settings</span>&gt;</span>\n...\n <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">servers</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To publish a snapshot of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.snapshots.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To stage a release of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.releases.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n  ...\n     <span class=\"hljs-comment\">&lt;!-- gpg passphrase used when generate key --&gt;</span>\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>gpg.passphrase<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">passphrase</span>&gt;</span><span class=\"hljs-comment\">&lt;!-- yourKeyPassword --&gt;</span><span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">passphrase</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">servers</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">settings</span>&gt;</span>\n</code></pre>\n<p>​</p>\n</li>\n</ol>\n<h2>打包&amp;上传</h2>\n<ol>\n<li>\n<p>从主干分支拉取新分支作为发布分支，如现在要发布${release_version}版本，则从2.6.x拉出新分支${release_version}-release，此后${release_version} Release Candidates涉及的修改及打标签等都在${release_version}-release分支进行，最终发布完成后合入主干分支。</p>\n</li>\n<li>\n<p>首先，在${release_version}-release分支验证maven组件打包、source源码打包、签名等是否都正常工作(2.6.x记得要使用1.7或以下版本JDK进行编译打包)</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn clean install -Prelease</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn deploy</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 将snapshot包推送到maven中央仓库，处于staging状态，可选</span>\n</code></pre>\n</li>\n<li>\n<p>用maven-release-plugin发布</p>\n<ul>\n<li>先用dryRun验证是否ok</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Prelease -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID -DdryRun=<span class=\"hljs-literal\">true</span></span>\n</code></pre>\n<ul>\n<li>验证通过后，执行release:prepare</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:clean</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Prelease -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 执行完成后：1.生成source.zip包； 2.打出tag，并推送到github仓库； 3.分支版本自动升级为<span class=\"hljs-variable\">${release_version}</span>-SNAPSHOT，并将修改推送到github仓库</span>\n</code></pre>\n<ul>\n<li>执行release:perform，做正式发布</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn -Prelease release:perform -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 所有artifacts发布到配置的远程maven中央仓库，处于staging状态，这里一定要去仓库检查一下是否完整发布上去，尤其是dubbo-parent模块</span>\n</code></pre>\n<p>PS: 执行release插件时，需要输入github的密码，这里不是输入web页面的登录密码，而是一个token，详见这里：<a href=\"https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/\">https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/</a></p>\n</li>\n</ol>\n<h2>准备Apache发布</h2>\n<ol>\n<li>\n<p>准备svn本机环境（Apache使用svn托管项目的发布内容）</p>\n</li>\n<li>\n<p>将dubbo checkout到本地目录</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn checkout https://dist.apache.org/repos/dist/dev/incubator/dubbo</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 假定本地目录为 ~/apache/incubator/dubbo</span>\n</code></pre>\n</li>\n<li>\n<p>当前发布版本为${release_version}，新建目录</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> <span class=\"hljs-built_in\">cd</span> ~/apache/incubator/dubbo <span class=\"hljs-comment\"># dubbo svn根目录</span></span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mkdir <span class=\"hljs-variable\">${release_version}</span></span>\n</code></pre>\n</li>\n<li>\n<p>添加public key到<a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\">KEYS</a>文件并提交到SVN仓库（第一次做发布的人需要做这个操作，具体操作参考KEYS文件里的说明）。KEYS主要是让参与投票的人在本地导入，用来校验sign的正确性</p>\n</li>\n<li>\n<p>拷贝distribution/target下的source相关的包到svn本地仓库dubbo/${release_version}</p>\n</li>\n<li>\n<p>生成sha512签名</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> shasum -a 512 apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip &gt;&gt; apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512</span>\n</code></pre>\n</li>\n<li>\n<p>如果有binary release要同时发布</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">#</span><span class=\"bash\"> distribution/target目录下，拷贝bin-release.zip以及bin-release.zip.asc到svn本地仓库dubbo/<span class=\"hljs-variable\">${release_version}</span></span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 参考第6步，生成sha512签名</span>\n</code></pre>\n</li>\n<li>\n<p>提交到Apache svn</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn status</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> svn commit -m <span class=\"hljs-string\">'prepare for ${release_version} RC1'</span></span>\n</code></pre>\n</li>\n</ol>\n<h2>验证Release Candidates</h2>\n<p>首先，从以下地址下载要发布的Release Candidate到本地环境：\n<a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo/$%7Brelease_version%7D/\">https://dist.apache.org/repos/dist/dev/incubator/dubbo/${release_version}/</a></p>\n<p>然后，开始验证环节，验证包含但不限于以下内容和形式</p>\n<ol>\n<li>Check signatures and hashes are good</li>\n</ol>\n<ul>\n<li>sha512</li>\n</ul>\n<pre><code class=\"language-sh\">$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512\n$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-bin-release.zip.sha512\n</code></pre>\n<ul>\n<li>gpg\n<ul>\n<li>If it's your first time verify a release candidte, you should import public keys first.</li>\n</ul>\n<pre><code class=\"language-sh\">$ curl https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS &gt;&gt; KEYS <span class=\"hljs-comment\"># download public keys to local directory</span>\n$ gpg --import KEYS <span class=\"hljs-comment\"># import keys</span>\n$ gpg —edit-key liujun\n  &gt; trust <span class=\"hljs-comment\"># 输入trust子命令</span>\n</code></pre>\n<ul>\n<li>Now, you can verify signature with command</li>\n</ul>\n<pre><code>gpg --verify apache-dubbo-incubating-2.6.3-source-release.zip.asc apache-dubbo-incubating-2.6.3-source-release.zip\n</code></pre>\n</li>\n</ul>\n<ol start=\"2\">\n<li>Unzip apache-dubbo-incubating-${release_version}-source-release.zip to the default directory and check the following:</li>\n</ol>\n<ul>\n<li>\n<p>Directory with 'incubating' in name\n<code>apache-dubbo-incubating-${release_version}-source-release</code></p>\n</li>\n<li>\n<p>DISCLAIMER exists</p>\n</li>\n<li>\n<p>LICENSE and NOTICE exists and contents are good</p>\n</li>\n<li>\n<p>All files and no binary files exist</p>\n</li>\n<li>\n<p>All files has standard ASF License header</p>\n</li>\n<li>\n<p>Can compile from source</p>\n</li>\n<li>\n<p>All unit tests can pass</p>\n<pre><code class=\"language-sh\">mvn clean <span class=\"hljs-built_in\">test</span> <span class=\"hljs-comment\"># This will run all unit tests</span>\n<span class=\"hljs-comment\"># you can also open rat and style plugin to check if every file meets requirements.</span>\nmvn clean <span class=\"hljs-built_in\">test</span> -Drat.skip=<span class=\"hljs-literal\">false</span> -Dcheckstyle.skip=<span class=\"hljs-literal\">false</span>\n</code></pre>\n</li>\n<li>\n<p>Release candidates match with corresponding tags, you can find tag link and hash in vote email.</p>\n<ul>\n<li>check the version number in pom.xml are the same</li>\n<li>check there are no extra files or directories in the source package, for example, no empty directories or useless log files.<br>\n<code>diff -r a rc_dir tag_dir</code></li>\n<li>check the top n tag commits, dive into the related files and check if the source package has the same changes</li>\n</ul>\n</li>\n</ul>\n<ol start=\"3\">\n<li>Unzip apache-dubbo-incubating-${release_version}-bin-release.zip and check:</li>\n</ol>\n<ul>\n<li>Check signatures are good</li>\n<li>'incubating' in name</li>\n<li>LICENSE and NOTICE exists and contents are good</li>\n</ul>\n<h2>进入投票</h2>\n<p>投票分两个阶段：</p>\n<ol>\n<li>Dubbo社区投票，发起投票邮件到dev@dubbo.apache.org。在社区开发者Review，并统计到3个同意发版的binding票后，即可进入下一阶段的投票。</li>\n<li>Apache社区投票，发起投票邮件到general@apache.org。在Apache PMC Review，并统计到3个统一发版的binding票后，即可进行正式发布。</li>\n</ol>\n<p>邮件模板：</p>\n<pre><code class=\"language-tex\">Hello Dubbo Community,\n\nThis is a call for vote to release Apache Dubbo (Incubating) version 2.6.2.\n\nThe release candidates:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/2.6.2/\n\nGit tag for the release:\nhttps://github.com/apache/incubator-dubbo/tree/dubbo-2.6.2\n\nHash for the release tag:\nafab04c53edab38d52275d2a198ea1aff7a4f41e\n\nRelease Notes:\nhttps://github.com/apache/incubator-dubbo/releases/tag/untagged-4775c0a22c60fca55118\n\nThe artifacts have been signed with Key : 28681CB1, which can be found in the keys file:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\n\nThe vote will be open for at least 72 hours or until necessary number of votes are reached.\n\nPlease vote accordingly:\n\n[ ] +1 approve \n[ ] +0 no opinion \n[ ] -1 disapprove with the reason\n\nThanks,\nThe Apache Dubbo (Incubating) Team\n</code></pre>\n<h2>正式发布</h2>\n<ol>\n<li>提交 <a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo\">https://dist.apache.org/repos/dist/dev/incubator/dubbo</a> 目录下的发布包到 <a href=\"https://dist.apache.org/repos/dist/release/incubator/dubbo/\">https://dist.apache.org/repos/dist/release/incubator/dubbo/</a> ，完成正式发布（KEYS有更新的，也需要同步发布）。</li>\n<li>发邮件到 <a href=\"mailto:dev@dubbo.apache.org\">dev@dubbo.apache.org</a> 和 <a href=\"mailto:general@apache.org\">general@apache.org</a> ，通知社区发布完成。</li>\n</ol>\n<h2>完成Maven Convenient Binary发布（可选）</h2>\n<p><strong><a href=\"http://apache.repository.org\">apache.repository.org</a> nexus仓库的权限已经申请，参见<a href=\"https://issues.apache.org/jira/browse/INFRA-16451\">jira</a>。</strong></p>\n<p>之前发布到maven仓库的artifacts都处于staging状态，用Apache id登录 <a href=\"http://apache.repository.org\">apache.repository.org</a> ，发布即可。</p>\n",
+  "__html": "<h1>如何准备Apache Release</h1>\n<h2>理解Apache发布的内容和流程</h2>\n<p>总的来说，Source Release是Apache关注的重点，也是发布的必须内容；而Binary Release是可选项，Dubbo可以选择是否发布二进制包到Apache仓库或者发布到Maven中央仓库。</p>\n<p>请参考以下链接，找到更多关于ASF的发布指南:</p>\n<ul>\n<li><a href=\"http://www.apache.org/dev/release-publishing\">Apache Release Guide</a></li>\n<li><a href=\"http://www.apache.org/dev/release.html\">Apache Release Policy</a></li>\n<li><a href=\"http://www.apache.org/dev/publishing-maven-artifacts.html\">Maven Release Info</a></li>\n</ul>\n<h2>本地构建环境准备</h2>\n<p>主要包括签名工具、Maven仓库认证相关准备</p>\n<ol>\n<li>\n<p>安装GPG，参见 <a href=\"https://www.gnupg.org/download/index.html\">https://www.gnupg.org/download/index.html</a></p>\n<ul>\n<li>如Mac OS</li>\n</ul>\n<pre><code class=\"language-sh\">$ brew install gpg\n$ gpg --version <span class=\"hljs-comment\">#检查版本，应该为2.x</span>\n</code></pre>\n</li>\n<li>\n<p>用gpg生成key</p>\n<ul>\n<li>根据提示，生成key</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> gpg --full-gen-key</span>\ngpg (GnuPG) 2.0.12; Copyright (C) 2009 Free Software Foundation, Inc.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\nPlease select what kind of key you want:\n  (1) RSA and RSA (default)\n  (2) DSA and Elgamal\n  (3) DSA (sign only)\n  (4) RSA (sign only)\nYour selection? 1\nRSA keys may be between 1024 and 4096 bits long.\nWhat keysize do you want? (2048) 4096\nRequested keysize is 4096 bits\nPlease specify how long the key should be valid.\n        0 = key does not expire\n     &lt;n&gt;  = key expires in n days\n     &lt;n&gt;w = key expires in n weeks\n     &lt;n&gt;m = key expires in n months\n     &lt;n&gt;y = key expires in n years\nKey is valid for? (0) \nKey does not expire at all\nIs this correct? (y/N) y\n\nGnuPG needs to construct a user ID to identify your key.\n\nReal name: Robert Burrell Donkin\nEmail address: rdonkin@apache.org\nComment: CODE SIGNING KEY\nYou selected this USER-ID:\n   \"Robert Burrell Donkin (CODE SIGNING KEY) &lt;rdonkin@apache.org&gt;\"\n\nChange (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O\nYou need a Passphrase to protect your secret key. # 填入密码，以后打包过程中会经常用到\n</code></pre>\n<ul>\n<li>查看key id</li>\n</ul>\n<pre><code class=\"language-sh\">$ gpg --list-keys\npub   rsa4096/28681CB1 2018-04-26 <span class=\"hljs-comment\"># 28681CB1就是key id</span>\nuid       [ultimate] liujun (apache-dubbo) &lt;liujun@apache.org&gt;\nsub   rsa4096/D3D6984B 2018-04-26\n\n<span class=\"hljs-comment\"># 通过key id发送public key到keyserver</span>\n$ gpg --keyserver pgpkeys.mit.edu --send-key 28681CB1\n<span class=\"hljs-comment\"># 其中，pgpkeys.mit.edu为随意挑选的keyserver，keyserver列表为：https://sks-keyservers.net/status/，因为相互之间是自动同步的，选任意一个都可以。</span>\n</code></pre>\n<ul>\n<li>如果有多个public key，设置默认key</li>\n</ul>\n<p>~/.gnupg/gpg.conf</p>\n<pre><code class=\"language-proper\"># If you have more than 1 secret key in your keyring, you may want to\n# uncomment the following option and set your preferred keyid.\n\ndefault-key 28681CB1\n</code></pre>\n<p>PS: 最新版本经过实测，本地没有gpg.conf这个文件，因此如果在执行过程中遇到签名失败，可以参考这个文章：<a href=\"https://blog.csdn.net/wenbo20182/article/details/72850810\">https://blog.csdn.net/wenbo20182/article/details/72850810</a> 或 <a href=\"https://d.sb/2016/11/gpg-inappropriate-ioctl-for-device-errors\">https://d.sb/2016/11/gpg-inappropriate-ioctl-for-device-errors</a></p>\n</li>\n<li>\n<p>设置Apache中央仓库</p>\n<ul>\n<li>Dubbo项目的父pom为apache pom(2.6.x发布版本不需要此操作)</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">parent</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">groupId</span>&gt;</span>org.apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">groupId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">artifactId</span>&gt;</span>apache<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">artifactId</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">version</span>&gt;</span>19<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">version</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">parent</span>&gt;</span>\n</code></pre>\n<ul>\n<li>\n<p>添加以下内容到.m2/settings.xml</p>\n<p>所有密码请使用<a href=\"http://maven.apache.org/guides/mini/guide-encryption.html\">maven-encryption-plugin</a>加密后再填入</p>\n</li>\n</ul>\n<pre><code class=\"language-xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">settings</span>&gt;</span>\n...\n <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">servers</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To publish a snapshot of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.snapshots.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n   <span class=\"hljs-comment\">&lt;!-- To stage a release of some part of Maven --&gt;</span>\n   <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>apache.releases.https<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">username</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP USERNAME --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">username</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">password</span>&gt;</span> <span class=\"hljs-comment\">&lt;!-- YOUR APACHE LDAP PASSWORD (encrypted) --&gt;</span> <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">password</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n  ...\n     <span class=\"hljs-comment\">&lt;!-- gpg passphrase used when generate key --&gt;</span>\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">server</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">id</span>&gt;</span>gpg.passphrase<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">id</span>&gt;</span>\n     <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">passphrase</span>&gt;</span><span class=\"hljs-comment\">&lt;!-- yourKeyPassword --&gt;</span><span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">passphrase</span>&gt;</span>\n   <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">server</span>&gt;</span>\n <span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">servers</span>&gt;</span>\n<span class=\"hljs-tag\">&lt;/<span class=\"hljs-name\">settings</span>&gt;</span>\n</code></pre>\n<p>​</p>\n</li>\n</ol>\n<h2>打包&amp;上传</h2>\n<ol>\n<li>\n<p>从主干分支拉取新分支作为发布分支，如现在要发布{release_version}版本，则从2.6.x拉出新分支{release_version}-release，此后{release_version} Release Candidates涉及的修改及打标签等都在{release_version}-release分支进行，最终发布完成后合入主干分支。</p>\n</li>\n<li>\n<p>首先，在${release_version}-release分支验证maven组件打包、source源码打包、签名等是否都正常工作(2.6.x记得要使用1.7或以下版本JDK进行编译打包)</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn clean install -Prelease</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn deploy</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 将snapshot包推送到maven中央仓库，处于staging状态，可选</span>\n</code></pre>\n</li>\n<li>\n<p>用maven-release-plugin发布</p>\n<ul>\n<li>先用dryRun验证是否ok</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Prelease -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID -DdryRun=<span class=\"hljs-literal\">true</span></span>\n</code></pre>\n<ul>\n<li>验证通过后，执行release:prepare</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:clean</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn release:prepare -Prelease -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 执行完成后：1.生成source.zip包； 2.打出tag，并推送到github仓库； 3.分支版本自动升级为<span class=\"hljs-variable\">${release_version}</span>-SNAPSHOT，并将修改推送到github仓库</span>\n</code></pre>\n<ul>\n<li>执行release:perform，做正式发布</li>\n</ul>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> mvn -Prelease release:perform -Darguments=<span class=\"hljs-string\">\"-DskipTests\"</span> -DautoVersionSubmodules=<span class=\"hljs-literal\">true</span> -Dusername=YOUR GITHUB ID</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 所有artifacts发布到配置的远程maven中央仓库，处于staging状态，这里一定要去仓库检查一下是否完整发布上去，尤其是dubbo-parent模块</span>\n</code></pre>\n<p>PS: 执行release插件时，需要输入github的密码，这里不是输入web页面的登录密码，而是一个token，详见这里：<a href=\"https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/\">https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/</a></p>\n</li>\n</ol>\n<h2>准备Apache发布</h2>\n<ol>\n<li>\n<p>准备svn本机环境（Apache使用svn托管项目的发布内容）</p>\n</li>\n<li>\n<p>将dubbo checkout到本地目录</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn checkout https://dist.apache.org/repos/dist/dev/incubator/dubbo</span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 假定本地目录为 ~/apache/incubator/dubbo</span>\n</code></pre>\n</li>\n<li>\n<p>当前发布版本为${release_version}，新建目录</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> <span class=\"hljs-built_in\">cd</span> ~/apache/incubator/dubbo <span class=\"hljs-comment\"># dubbo svn根目录</span></span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> mkdir <span class=\"hljs-variable\">${release_version}</span></span>\n</code></pre>\n</li>\n<li>\n<p>添加public key到<a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\">KEYS</a>文件并提交到SVN仓库（第一次做发布的人需要做这个操作，具体操作参考KEYS文件里的说明）。KEYS主要是让参与投票的人在本地导入，用来校验sign的正确性</p>\n</li>\n<li>\n<p>拷贝distribution/target下的source相关的包到svn本地仓库dubbo/${release_version}</p>\n</li>\n<li>\n<p>生成sha512签名</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> shasum -a 512 apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip &gt;&gt; apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512</span>\n</code></pre>\n</li>\n<li>\n<p>如果有binary release要同时发布</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">#</span><span class=\"bash\"> distribution/target目录下，拷贝bin-release.zip以及bin-release.zip.asc到svn本地仓库dubbo/<span class=\"hljs-variable\">${release_version}</span></span>\n<span class=\"hljs-meta\">#</span><span class=\"bash\"> 参考第6步，生成sha512签名</span>\n</code></pre>\n</li>\n<li>\n<p>提交到Apache svn</p>\n<pre><code class=\"language-shell\"><span class=\"hljs-meta\">$</span><span class=\"bash\"> svn status</span>\n<span class=\"hljs-meta\">$</span><span class=\"bash\"> svn commit -m <span class=\"hljs-string\">'prepare for ${release_version} RC1'</span></span>\n</code></pre>\n</li>\n</ol>\n<h2>验证Release Candidates</h2>\n<p>首先，从以下地址下载要发布的Release Candidate到本地环境：\n<a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo/$%7Brelease_version%7D/\">https://dist.apache.org/repos/dist/dev/incubator/dubbo/${release_version}/</a></p>\n<p>然后，开始验证环节，验证包含但不限于以下内容和形式</p>\n<ol>\n<li>Check signatures and hashes are good</li>\n</ol>\n<ul>\n<li>sha512</li>\n</ul>\n<pre><code class=\"language-sh\">$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-<span class=\"hljs-built_in\">source</span>-release.zip.sha512\n$ shasum -c apache-dubbo-incubating-<span class=\"hljs-variable\">${release_version}</span>-bin-release.zip.sha512\n</code></pre>\n<ul>\n<li>gpg\n<ul>\n<li>If it's your first time verify a release candidte, you should import public keys first.</li>\n</ul>\n<pre><code class=\"language-sh\">$ curl https://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS &gt;&gt; KEYS <span class=\"hljs-comment\"># download public keys to local directory</span>\n$ gpg --import KEYS <span class=\"hljs-comment\"># import keys</span>\n$ gpg —edit-key liujun\n  &gt; trust <span class=\"hljs-comment\"># 输入trust子命令</span>\n</code></pre>\n<ul>\n<li>Now, you can verify signature with command</li>\n</ul>\n<pre><code>gpg --verify apache-dubbo-incubating-2.6.3-source-release.zip.asc apache-dubbo-incubating-2.6.3-source-release.zip\n</code></pre>\n</li>\n</ul>\n<ol start=\"2\">\n<li>Unzip apache-dubbo-incubating-${release_version}-source-release.zip to the default directory and check the following:</li>\n</ol>\n<ul>\n<li>\n<p>Directory with 'incubating' in name\n<code>apache-dubbo-incubating-${release_version}-source-release</code></p>\n</li>\n<li>\n<p>DISCLAIMER exists</p>\n</li>\n<li>\n<p>LICENSE and NOTICE exists and contents are good</p>\n</li>\n<li>\n<p>All files and no binary files exist</p>\n</li>\n<li>\n<p>All files has standard ASF License header</p>\n</li>\n<li>\n<p>Can compile from source</p>\n</li>\n<li>\n<p>All unit tests can pass</p>\n<pre><code class=\"language-sh\">mvn clean <span class=\"hljs-built_in\">test</span> <span class=\"hljs-comment\"># This will run all unit tests</span>\n<span class=\"hljs-comment\"># you can also open rat and style plugin to check if every file meets requirements.</span>\nmvn clean <span class=\"hljs-built_in\">test</span> -Drat.skip=<span class=\"hljs-literal\">false</span> -Dcheckstyle.skip=<span class=\"hljs-literal\">false</span>\n</code></pre>\n</li>\n<li>\n<p>Release candidates match with corresponding tags, you can find tag link and hash in vote email.</p>\n<ul>\n<li>check the version number in pom.xml are the same</li>\n<li>check there are no extra files or directories in the source package, for example, no empty directories or useless log files.<br>\n<code>diff -r a rc_dir tag_dir</code></li>\n<li>check the top n tag commits, dive into the related files and check if the source package has the same changes</li>\n</ul>\n</li>\n</ul>\n<ol start=\"3\">\n<li>Unzip apache-dubbo-incubating-${release_version}-bin-release.zip and check:</li>\n</ol>\n<ul>\n<li>Check signatures are good</li>\n<li>'incubating' in name</li>\n<li>LICENSE and NOTICE exists and contents are good</li>\n</ul>\n<h2>进入投票</h2>\n<p>投票分两个阶段：</p>\n<ol>\n<li>Dubbo社区投票，发起投票邮件到dev@dubbo.apache.org。在社区开发者Review，并统计到3个同意发版的binding票后，即可进入下一阶段的投票。</li>\n<li>Apache社区投票，发起投票邮件到general@apache.org。在Apache PMC Review，并统计到3个统一发版的binding票后，即可进行正式发布。</li>\n</ol>\n<p>邮件模板：</p>\n<pre><code class=\"language-tex\">Hello Dubbo Community,\n\nThis is a call for vote to release Apache Dubbo (Incubating) version 2.6.2.\n\nThe release candidates:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/2.6.2/\n\nGit tag for the release:\nhttps://github.com/apache/incubator-dubbo/tree/dubbo-2.6.2\n\nHash for the release tag:\nafab04c53edab38d52275d2a198ea1aff7a4f41e\n\nRelease Notes:\nhttps://github.com/apache/incubator-dubbo/releases/tag/untagged-4775c0a22c60fca55118\n\nThe artifacts have been signed with Key : 28681CB1, which can be found in the keys file:\nhttps://dist.apache.org/repos/dist/dev/incubator/dubbo/KEYS\n\nThe vote will be open for at least 72 hours or until necessary number of votes are reached.\n\nPlease vote accordingly:\n\n[ ] +1 approve \n[ ] +0 no opinion \n[ ] -1 disapprove with the reason\n\nThanks,\nThe Apache Dubbo (Incubating) Team\n</code></pre>\n<h2>正式发布</h2>\n<ol>\n<li>提交 <a href=\"https://dist.apache.org/repos/dist/dev/incubator/dubbo\">https://dist.apache.org/repos/dist/dev/incubator/dubbo</a> 目录下的发布包到 <a href=\"https://dist.apache.org/repos/dist/release/incubator/dubbo/\">https://dist.apache.org/repos/dist/release/incubator/dubbo/</a> ，完成正式发布（KEYS有更新的，也需要同步发布）。</li>\n<li>发邮件到 <a href=\"mailto:dev@dubbo.apache.org\">dev@dubbo.apache.org</a> 和 <a href=\"mailto:general@apache.org\">general@apache.org</a>，通知社区发布完成。</li>\n<li>合并${release-version}-release分支到对应的主干分支。</li>\n<li>在Github上发布<a href=\"https://github.com/apache/incubator-dubbo/releases\">release notes</a>。</li>\n<li>更新<a href=\"https://github.com/apache/incubator-dubbo#maven-dependency\">Github</a>上的推荐依赖到最新版本。</li>\n<li>在<a href=\"http://dubbo.apache.org/\">官网</a>发布公告，宣布版本发布成功。</li>\n</ol>\n<h2>完成Maven Convenient Binary发布（可选）</h2>\n<p><strong><a href=\"http://apache.repository.org\">apache.repository.org</a> nexus仓库的权限已经申请，参见<a href=\"https://issues.apache.org/jira/browse/INFRA-16451\">jira</a>。</strong></p>\n<p>之前发布到maven仓库的artifacts都处于staging状态，用Apache id登录 <a href=\"http://apache.repository.org\">apache.repository.org</a> ，发布即可。</p>\n",
   "title": "如何准备Apache Release",
   "keywords": "Dubbo, Apache, Release"
 }
\ No newline at end of file
diff --git a/zh-cn/blog/sentinel-introduction-for-dubbo.html b/zh-cn/blog/sentinel-introduction-for-dubbo.html
index 64f1dc63669b..d401aa3f1304 100644
--- a/zh-cn/blog/sentinel-introduction-for-dubbo.html
+++ b/zh-cn/blog/sentinel-introduction-for-dubbo.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-835113017"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Sentinel 为 Dubbo 服务保驾护航</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1365452734"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Sentinel 为 Dubbo 服务保驾护航</h1>
 <p>在复杂的生产环境下可能部署着成千上万的 Dubbo 服务实例，流量持续不断地进入，服务之间进行相互调用。但是分布式系统中可能会因流量激增、系统负载过高、网络延迟等一系列问题，导致某些服务不可用，如果不进行相应的控制可能导致级联故障，影响服务的可用性，因此如何对流量进行合理的控制，成为保障服务稳定性的关键。</p>
 <p><a href="https://github.com/alibaba/Sentinel">Sentinel</a> 是阿里中间件团队开源的，面向分布式服务架构的轻量级流量控制产品，主要以流量为切入点，从<strong>流量控制</strong>、<strong>熔断降级</strong>、<strong>系统负载保护</strong>等多个维度来帮助用户保护服务的稳定性。本文将基于 Dubbo，看看 Sentinel 是如何进行流量控制的，并且提供 Dubbo 整合 Sentinel 的最佳实践。</p>
 <h2>快速接入 Sentinel</h2>
@@ -117,7 +117,7 @@ <h2>Sentinel 与 Hystrix 的比较</h2>
 <p>更详细的对比请参见 <a href="https://github.com/alibaba/Sentinel/wiki/Sentinel-%E4%B8%8E-Hystrix-%E7%9A%84%E5%AF%B9%E6%AF%94">Sentinel 与 Hystrix 的对比</a>。</p>
 <h2>总结</h2>
 <p>以上介绍的只是 Sentinel 的一个最简单的场景 —— 限流。Sentinel 还可以处理更复杂的各种情况，比如超时熔断、冷启动、请求匀速等。可以参考 <a href="https://github.com/alibaba/Sentinel/wiki/%E4%B8%BB%E9%A1%B5">Sentinel 文档</a>，更多的场景等待你去挖掘！</p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html b/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html
index d7371ed79a9d..c9e06c0acaae 100644
--- a/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html
+++ b/zh-cn/blog/spring-boot-dubbo-start-stop-analysis.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-1344309511"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Spring Boot Dubbo应用启停源码分析</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1543577475"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>Spring Boot Dubbo应用启停源码分析</h1>
 <h2>背景介绍</h2>
 <p><a href="https://github.com/apache/incubator-dubbo-spring-boot-project">Dubbo Spring Boot</a> 工程致力于简化 Dubbo RPC 框架在Spring Boot应用场景的开发。同时也整合了 Spring Boot 特性：</p>
 <ul>
@@ -200,7 +200,7 @@ <h3>彩蛋</h3>
 </code></pre>
 <p>[1] <a href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-12.html#jls-12.8">https://docs.oracle.com/javase/specs/jls/se8/html/jls-12.html#jls-12.8</a></p>
 <p>[2] <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runtime.html#addShutdownHook">https://docs.oracle.com/javase/8/docs/api/java/lang/Runtime.html#addShutdownHook</a></p>
-</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" data-reactid="33">Foundation</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" data-reactid="35">License</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" data-reactid="37">Events</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="39">Sponsorship</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="41">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</section><footer class="footer-container" data-reactid="21"><div class="footer-body" data-reactid="22"><img src="/img/dubbo_gray.png" data-reactid="23"/><img class="apache" src="/img/apache_logo.png" data-reactid="24"/><div class="cols-container" data-reactid="25"><div class="col col-12" data-reactid="26"><h3 data-reactid="27">Disclaimer</h3><p data-reactid="28">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="29"><dl data-reactid="30"><dt data-reactid="31">ASF</dt><dd data-reactid="32"><a href="http://www.apache.org" target="_self" data-reactid="33">基金会</a></dd><dd data-reactid="34"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="35">证书</a></dd><dd data-reactid="36"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="37">事件</a></dd><dd data-reactid="38"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="39">赞助</a></dd><dd data-reactid="40"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="41">致谢</a></dd></dl></div><div class="col col-4" data-reactid="42"><dl data-reactid="43"><dt data-reactid="44">文档</dt><dd data-reactid="45"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="46">快速开始</a></dd><dd data-reactid="47"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="48">开发者指南</a></dd><dd data-reactid="49"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="50">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="51"><dl data-reactid="52"><dt data-reactid="53">资源</dt><dd data-reactid="54"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="55">博客</a></dd><dd data-reactid="56"><a href="/zh-cn/community/index.html" target="_self" data-reactid="57">社区</a></dd></dl></div></div><div class="copyright" data-reactid="58"><span data-reactid="59">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/blog/tracing-with-skywalking.html b/zh-cn/blog/tracing-with-skywalking.html
index edd298af5772..dcae4f9860fd 100644
--- a/zh-cn/blog/tracing-with-skywalking.html
+++ b/zh-cn/blog/tracing-with-skywalking.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/blogDetail.css" />
 </head>
 <body>
-	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="1772798912"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>使用Apache Skywalking (Incubator) 做分布式跟踪</h1>
+	<div id="root"><div class="blog-detail-page" data-reactroot="" data-reactid="1" data-react-checksum="-497980342"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><section class="blog-content markdown-body" data-reactid="20"><h1>使用Apache Skywalking (Incubator) 做分布式跟踪</h1>
 <h2>Apache Skywalking(Incubator)简介</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a> 专门为微服务架构和云原生架构系统而设计并且支持分布式链路追踪的APM系统。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>通过加载探针的方式收集应用调用链路信息，并对采集的调用链路信息进行分析，生成应用间关系和服务间关系以及服务指标。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking (Incubating)</a>目前支持多种语言，其中包括<a href="https://github.com/apache/incubator-skywalking">Java</a>，<a href="https://github.com/OpenSkywalking/skywalking-netcore">.Net Core</a>，<a href="https://github.com/OpenSkywalking/skywalking-nodejs">Node.js</a>和<a href="https://github.com/OpenSkywalking/skywalking-go">Go</a>语言。</p>
 <p>目前Skywalking已经支持从6个可视化维度剖析分布式系统的运行情况。总览视图是应用和组件的全局视图，其中包括组件和应用数量，应用的告警波动，慢服务列表以及应用吞吐量；拓扑图从应用依赖关系出发，展现整个应用的拓扑关系；应用视图则是从单个应用的角度，展现应用的上下游关系，TopN的服务和服务器，JVM的相关信息以及对应的主机信息。服务视图关注单个服务入口的运行情况以及此服务的上下游依赖关系，依赖度，帮助用户针对单个服务的优化和监控；调用链展现了调用的单次请求经过的所有埋点以及每个埋点的执行时长；告警视图根据配置阈值针对应用、服务器、服务进行实时告警。</p>
@@ -118,7 +118,7 @@ <h3>Trace视图</h3>
 <img src="../../img/blog/skywalking-span-Info.png" alt="/admin-guide/images/skywalking-span-Info.png"></p>
 <h3>告警视图</h3>
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-	<div id="root"><div class="community-page" data-reactroot="" data-reactid="1" data-react-checksum="1245304840"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a 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data-reactid="33"/></a><div class="event-introduction" data-reactid="34"><h4 data-reactid="35">Aliware Open Source·成都站——Apache Dubbo开发者沙龙</h4><p data-reactid="36">第四届Dubbo开发者沙龙将于8月26日(周日)在成都高新区天府五街200号菁蓉国际广场8号楼2楼会议厅举办</p><a href="/zh-cn/blog/dubbo-meetup-chengdu.html" data-reactid="37"><!-- react-text: 38 -->August 14th，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="39"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="40"><div class="slider-item" data-reactid="41"><div class="event-card" data-reactid="42"><a href="/zh-cn/blog/dubbo-meetup-shenzhen.html" data-reactid="43"><img src="/img/blog/dubbo-shenzhen-meetup.jpg" data-reactid="44"/></a><div class="event-introduction" data-reactid="45"><h4 data-reactid="46">第三届Dubbo开发者沙龙在深圳成功举办</h4><p data-reactid="47">第三届Dubbo开发者沙龙在深圳成功举办，超过2000位开发者报名，现场参与人数700+，通过阿里云天池、云栖社区、大咖说引导线上直播观看次数17000+</p><a href="/zh-cn/blog/dubbo-meetup-shenzhen.html" data-reactid="48"><!-- react-text: 49 -->July 14th，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="50"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="51"><div class="slider-item" data-reactid="52"><div class="event-card" data-reactid="53"><a href="/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="54"><img src="/img/blog/dubbo-shanghai-meetup.jpeg" data-reactid="55"/></a><div class="event-introduction" data-reactid="56"><h4 data-reactid="57">第二届Dubbo开发者沙龙在上海成功举办</h4><p data-reactid="58">第二届Dubbo开发者沙龙在上海成功举办，超过700位开发者报名，现场参与人数300+，通过阿里云天池、云栖社区、大咖说引导线上直播观看次数10000+</p><a href="/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="59"><!-- react-text: 60 -->Jun 23rd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="61"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="62"><div class="slider-item" data-reactid="63"><div class="event-card" data-reactid="64"><a href="/zh-cn/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="65"><img src="/img/blog/dubbo-beijing-meetup.png" data-reactid="66"/></a><div class="event-introduction" data-reactid="67"><h4 data-reactid="68">首届Dubbo开发者沙龙在北京成功举办</h4><p data-reactid="69">首届Dubbo开发者沙龙在北京成功举办，超过400位开发者参加！</p><a href="/zh-cn/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="70"><!-- react-text: 71 -->May 12nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="72"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="73"><div class="slider-item" data-reactid="74"><div class="event-card" data-reactid="75"><a href="/zh-cn/blog/apachecon-na-2018.html" data-reactid="76"><img src="/img/blog/apachecon-na-2018.png" data-reactid="77"/></a><div class="event-introduction" data-reactid="78"><h4 data-reactid="79">ApacheCon大会议程公布</h4><p data-reactid="80">罗毅/刘军 将进行题为&quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot;的演讲。</p><a href="/zh-cn/blog/apachecon-na-2018.html" data-reactid="81"><!-- react-text: 82 -->May 2nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="83"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="84"><div class="slider-item" data-reactid="85"><div class="event-card" data-reactid="86"><a href="/zh-cn/blog/qcon-beijing-2018.html" data-reactid="87"><img src="/img/blog/qcon-beijing-2018.jpeg" data-reactid="88"/></a><div class="event-introduction" data-reactid="89"><h4 data-reactid="90">Dubbo路线图在QCon Beijing 2018上公布</h4><p data-reactid="91">罗毅在Qcon Beijing 2018上进行了Dubbo开源现状及未来规划的主题演讲。</p><a href="/zh-cn/blog/qcon-beijing-2018.html" data-reactid="92"><!-- react-text: 93 -->April 21st，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="94"/></a></div></div></div></div></div><div class="slider-control" data-reactid="95"><span class="slider-control-item slider-control-item-active" data-reactid="96"></span><span class="slider-control-item" data-reactid="97"></span><span class="slider-control-item" data-reactid="98"></span><span class="slider-control-item" data-reactid="99"></span><span class="slider-control-item" data-reactid="100"></span><span class="slider-control-item" data-reactid="101"></span></div></div></section><section class="eco-section" data-reactid="102"><h3 data-reactid="103">生态系统</h3><div class="eco-lists" data-reactid="104"><div class="eco-item" data-reactid="105"><h4 data-reactid="106">脚手架</h4><p data-reactid="107"><span data-reactid="108">快速生成基于 Spring Boot 的 Dubbo 项目:</span></p><div class="tags" data-reactid="109"><a href="http://start.dubbo.io" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="110">Dubbo Initializr</a></div></div><div class="eco-item" data-reactid="111"><h4 data-reactid="112">多语言</h4><p data-reactid="113"><span data-reactid="114">Dubbo支持以下语言:</span></p><div class="tags" data-reactid="115"><a href="https://github.com/apache/incubator-dubbo" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="116">Java</a><a href="https://github.com/dubbo/dubbo2.js" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="117">Node.js</a><a href="https://github.com/dubbo/dubbo-client-py" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="118">Python</a><a href="https://github.com/dubbo/dubbo-php-framework" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="119">PHP</a></div></div><div class="eco-item" data-reactid="120"><h4 data-reactid="121">API</h4><p data-reactid="122"><span data-reactid="123">Dubbo支持通过多种API方式启动:</span></p><div class="tags" data-reactid="124"><a href="/zh-cn/docs/user/configuration/xml.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="125">Spring XML</a><a href="/zh-cn/docs/user/configuration/annotation.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="126">Spring Annotation</a><a href="/zh-cn/docs/user/configuration/properties.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="127">Plain Java</a><a href="https://github.com/apache/incubator-dubbo-spring-boot-project" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="128">Spring Boot</a></div></div><div class="eco-item" data-reactid="129"><h4 data-reactid="130">Registry</h4><p data-reactid="131"><span data-reactid="132">Dubbo支持以下注册中心:</span></p><div class="tags" data-reactid="133"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="134">Zookeeper</a><a href="/zh-cn/docs/user/references/registry/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="135">Redis</a><a href="/zh-cn/docs/user/references/registry/simple.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="136">Simple</a><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="137">Multicast</a><a href="https://github.com/dubbo/dubbo-registry-etcd" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="138">Etcd3</a></div></div><div class="eco-item" data-reactid="139"><h4 data-reactid="140">Cluster</h4><p data-reactid="141"><span data-reactid="142">Dubbo支持以下容错机制:</span></p><div class="tags" data-reactid="143"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="144">Fail over</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="145">Fail safe</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="146">Fail fast</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="147">Fail back</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="148">Forking</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="149">Broadcast</a></div></div><div class="eco-item" data-reactid="150"><h4 data-reactid="151">Load balance</h4><p data-reactid="152"><span data-reactid="153">Dubbo支持以下负载均衡策略:</span></p><div class="tags" data-reactid="154"><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="155">Random</a><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="156">Least Active</a><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="157">Round Robin</a><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="158">Consistent hash</a></div></div><div class="eco-item" data-reactid="159"><h4 data-reactid="160">Protocol</h4><p data-reactid="161"><span data-reactid="162">Dubbo支持以下协议:</span></p><div class="tags" data-reactid="163"><a href="/zh-cn/docs/user/references/protocol/dubbo.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="164">Dubbo</a><a href="/zh-cn/docs/user/references/protocol/rmi.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="165">RMI</a><a href="/zh-cn/docs/user/references/protocol/hessian.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="166">Hessian</a><a href="/zh-cn/docs/user/references/protocol/http.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="167">HTTP</a><a href="/zh-cn/docs/user/references/protocol/webservice.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="168">WebService</a><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="169">Thrift</a><a href="https://github.com/dubbo/dubbo-rpc-native-thrift" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="170">Native Thrift</a><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="171">Memcached</a><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="172">Redis</a><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="173">Rest</a><a href="https://github.com/apache/incubator-dubbo-rpc-jsonrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="174">JsonRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-xmlrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="175">XmlRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-jms" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="176">JmsRpc</a></div></div><div class="eco-item" data-reactid="177"><h4 data-reactid="178">Transport</h4><p data-reactid="179"><span data-reactid="180">Dubbo支持以下网络传输扩展:</span></p><div class="tags" data-reactid="181"><a href="" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="182">Netty3</a><a href="/zh-cn/docs/user/demos/netty4.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="183">Netty4</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="184">Grizzly</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="185">Jetty</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="186">Mina</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="187">P2P</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="188">Zookeeper</a></div></div><div class="eco-item" data-reactid="189"><h4 data-reactid="190">Serialization</h4><p data-reactid="191"><span data-reactid="192">Dubbo支持以下序列化机制:</span></p><div class="tags" data-reactid="193"><a href="" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="194">Hessian2</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="195">Java</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="196">JSON</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="197">Fst</a><a href="" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="198">Kryo</a><a href="https://github.com/dubbo/dubbo-serialization-native-hessian" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="199">Native Hessian</a><a href="https://github.com/dubbo/dubbo-serialization-avro" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="200">Avro</a></div></div></div></section><section class="contact-section" data-reactid="201"><h3 data-reactid="202">联系我们</h3><p data-reactid="203">有问题需要反馈？请通过一下方式联系我们。</p><div class="contact-list" data-reactid="204"><a class="contact-item" href="https://github.com/apache/incubator-dubbo/wiki/New-contributor-guide" rel="noopener noreferrer" target="_blank" data-reactid="205"><img src="/img/mailinglist.png" data-reactid="206"/><div data-reactid="207">邮件列表</div></a><a class="contact-item" href="https://gitter.im/alibaba/dubbo" rel="noopener noreferrer" target="_blank" data-reactid="208"><img src="/img/alibaba.png" data-reactid="209"/><div data-reactid="210">Gitter</div></a><a class="contact-item" href="https://segmentfault.com/t/dubbo" rel="noopener noreferrer" target="_blank" data-reactid="211"><img src="/img/segmentfault.png" data-reactid="212"/><div data-reactid="213">Segment Fault</div></a><a class="contact-item" href="https://twitter.com/ApacheDubbo" rel="noopener noreferrer" target="_blank" data-reactid="214"><img src="/img/twitter.png" data-reactid="215"/><div data-reactid="216">@ApacheDubbo</div></a></div></section><section class="contributor-section" data-reactid="217"><h3 data-reactid="218">贡献指南</h3><p data-reactid="219">Dubbo社区欢迎任何形式的贡献。</p><div class="contributor-list" data-reactid="220"><div class="contributor-item" data-reactid="221"><img src="/img/mailinglist.png" data-reactid="222"/><div data-reactid="223">邮件列表</div><p data-reactid="224"><span data-reactid="225"><!-- react-text: 226 -->加入 <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/wiki/New-contributor-guide" data-reactid="227">邮件列表 </a><!-- react-text: 228 -->参与讨论。<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="229"><img src="/img/issue.png" data-reactid="230"/><div data-reactid="231">报告缺陷</div><p data-reactid="232"><span data-reactid="233"><!-- react-text: 234 -->通过<!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/issues" data-reactid="235"> Github issues </a><!-- react-text: 236 -->报告缺陷。<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="237"><img src="/img/documents.png" data-reactid="238"/><div data-reactid="239">文档</div><p data-reactid="240"><span data-reactid="241"><!-- react-text: 242 -->优化Dubbo <!-- /react-text --><a href="http://dubbo.apache.org/zh-cn/docs/user/quick-start.html" data-reactid="243"> 文档</a><!-- react-text: 244 -->。<!-- /react-text --></span></p></div><div class="contributor-item" data-reactid="245"><img src="/img/pullrequest.png" data-reactid="246"/><div data-reactid="247">Pull Request</div><p data-reactid="248"><span data-reactid="249"><!-- react-text: 250 -->提交 <!-- /react-text --><a href="https://github.com/apache/incubator-dubbo/pulls" data-reactid="251"> Pull requests </a><!-- react-text: 252 -->来修复问题。<!-- /react-text --></span></p></div></div></section><footer class="footer-container" data-reactid="253"><div class="footer-body" data-reactid="254"><img src="/img/dubbo_gray.png" data-reactid="255"/><img class="apache" src="/img/apache_logo.png" data-reactid="256"/><div class="cols-container" data-reactid="257"><div class="col col-12" data-reactid="258"><h3 data-reactid="259">Disclaimer</h3><p data-reactid="260">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="261"><dl data-reactid="262"><dt data-reactid="263">ASF</dt><dd data-reactid="264"><a href="http://www.apache.org" data-reactid="265">Foundation</a></dd><dd data-reactid="266"><a href="http://www.apache.org/licenses/" data-reactid="267">License</a></dd><dd data-reactid="268"><a href="http://www.apache.org/events/current-event" data-reactid="269">Events</a></dd><dd data-reactid="270"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="271">Sponsorship</a></dd><dd data-reactid="272"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="273">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="274"><dl data-reactid="275"><dt data-reactid="276">文档</dt><dd data-reactid="277"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="278">快速开始</a></dd><dd data-reactid="279"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="280">开发者指南</a></dd><dd data-reactid="281"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="282">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="283"><dl data-reactid="284"><dt data-reactid="285">资源</dt><dd data-reactid="286"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="287">博客</a></dd><dd data-reactid="288"><a href="/zh-cn/community/index.html" target="_self" data-reactid="289">社区</a></dd></dl></div></div><div class="copyright" data-reactid="290"><span data-reactid="291">Copyright © 2018 The Apache Software Foundation. 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+	<div id="root"><div class="community-page" data-reactroot="" data-reactid="1" data-react-checksum="-1169194862"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/community.png" class="front-img" data-reactid="22"/><span data-reactid="23">社区</span><img src="/img/community.png" class="back-img" data-reactid="24"/></div></div><section class="events-section" data-reactid="25"><h3 data-reactid="26">事件 &amp; 新闻</h3><div class="slider" data-reactid="27"><div class="slider-list" style="transform:translateX(-0px);transition:transform 500ms ease;width:0;" data-reactid="28"><div class="slider-screen" style="width:0;" data-reactid="29"><div class="slider-item" data-reactid="30"><div class="event-card" data-reactid="31"><a href="/zh-cn/blog/dubbo-meetup-chengdu.html" data-reactid="32"><img src="/img/blog/dubbo-chengdu-meetup.jpg" data-reactid="33"/></a><div class="event-introduction" data-reactid="34"><h4 data-reactid="35">Aliware Open Source·成都站——Apache Dubbo开发者沙龙</h4><p data-reactid="36">第四届Dubbo开发者沙龙将于8月26日(周日)在成都高新区天府五街200号菁蓉国际广场8号楼2楼会议厅举办</p><a href="/zh-cn/blog/dubbo-meetup-chengdu.html" data-reactid="37"><!-- react-text: 38 -->August 14th，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="39"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="40"><div class="slider-item" data-reactid="41"><div class="event-card" data-reactid="42"><a href="/zh-cn/blog/dubbo-meetup-shenzhen.html" data-reactid="43"><img src="/img/blog/dubbo-shenzhen-meetup.jpg" data-reactid="44"/></a><div class="event-introduction" data-reactid="45"><h4 data-reactid="46">第三届Dubbo开发者沙龙在深圳成功举办</h4><p data-reactid="47">第三届Dubbo开发者沙龙在深圳成功举办，超过2000位开发者报名，现场参与人数700+，通过阿里云天池、云栖社区、大咖说引导线上直播观看次数17000+</p><a href="/zh-cn/blog/dubbo-meetup-shenzhen.html" data-reactid="48"><!-- react-text: 49 -->July 14th，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="50"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="51"><div class="slider-item" data-reactid="52"><div class="event-card" data-reactid="53"><a href="/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="54"><img src="/img/blog/dubbo-shanghai-meetup.jpeg" data-reactid="55"/></a><div class="event-introduction" data-reactid="56"><h4 data-reactid="57">第二届Dubbo开发者沙龙在上海成功举办</h4><p data-reactid="58">第二届Dubbo开发者沙龙在上海成功举办，超过700位开发者报名，现场参与人数300+，通过阿里云天池、云栖社区、大咖说引导线上直播观看次数10000+</p><a href="/zh-cn/blog/dubbo-meetup-shanghai-jun-23rd-2018.html" data-reactid="59"><!-- react-text: 60 -->Jun 23rd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="61"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="62"><div class="slider-item" data-reactid="63"><div class="event-card" data-reactid="64"><a href="/zh-cn/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="65"><img src="/img/blog/dubbo-beijing-meetup.png" data-reactid="66"/></a><div class="event-introduction" data-reactid="67"><h4 data-reactid="68">首届Dubbo开发者沙龙在北京成功举办</h4><p data-reactid="69">首届Dubbo开发者沙龙在北京成功举办，超过400位开发者参加！</p><a href="/zh-cn/blog/dubbo-meetup-beijing-may-12th-2018.html" data-reactid="70"><!-- react-text: 71 -->May 12nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="72"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="73"><div class="slider-item" data-reactid="74"><div class="event-card" data-reactid="75"><a href="/zh-cn/blog/apachecon-na-2018.html" data-reactid="76"><img src="/img/blog/apachecon-na-2018.png" data-reactid="77"/></a><div class="event-introduction" data-reactid="78"><h4 data-reactid="79">ApacheCon大会议程公布</h4><p data-reactid="80">罗毅/刘军 将进行题为&quot;Introducing Apache Dubbo(Incubating): What is Dubbo and How it Works&quot;的演讲。</p><a href="/zh-cn/blog/apachecon-na-2018.html" data-reactid="81"><!-- react-text: 82 -->May 2nd，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="83"/></a></div></div></div></div><div class="slider-screen" style="width:0;" data-reactid="84"><div class="slider-item" data-reactid="85"><div class="event-card" data-reactid="86"><a href="/zh-cn/blog/qcon-beijing-2018.html" data-reactid="87"><img src="/img/blog/qcon-beijing-2018.jpeg" data-reactid="88"/></a><div class="event-introduction" data-reactid="89"><h4 data-reactid="90">Dubbo路线图在QCon Beijing 2018上公布</h4><p data-reactid="91">罗毅在Qcon Beijing 2018上进行了Dubbo开源现状及未来规划的主题演讲。</p><a href="/zh-cn/blog/qcon-beijing-2018.html" data-reactid="92"><!-- react-text: 93 -->April 21st，2018<!-- /react-text --><img class="arrow" src="/img/arrow_right.png" data-reactid="94"/></a></div></div></div></div></div><div class="slider-control" data-reactid="95"><span class="slider-control-item slider-control-item-active" data-reactid="96"></span><span class="slider-control-item" data-reactid="97"></span><span class="slider-control-item" data-reactid="98"></span><span class="slider-control-item" data-reactid="99"></span><span class="slider-control-item" data-reactid="100"></span><span class="slider-control-item" data-reactid="101"></span></div></div></section><section class="eco-section" data-reactid="102"><h3 data-reactid="103">生态系统</h3><div class="eco-lists" data-reactid="104"><div class="eco-item" data-reactid="105"><h4 data-reactid="106">脚手架</h4><p data-reactid="107"><span data-reactid="108">快速生成基于 Spring Boot 的 Dubbo 项目:</span></p><div class="tags" data-reactid="109"><a href="http://start.dubbo.io" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="110">Dubbo Initializr</a></div></div><div class="eco-item" data-reactid="111"><h4 data-reactid="112">多语言</h4><p data-reactid="113"><span data-reactid="114">Dubbo支持以下语言:</span></p><div class="tags" data-reactid="115"><a href="https://github.com/apache/incubator-dubbo" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="116">Java</a><a href="https://github.com/dubbo/dubbo2.js" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="117">Node.js</a><a href="https://github.com/dubbo/dubbo-client-py" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="118">Python</a><a href="https://github.com/dubbo/dubbo-php-framework" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="119">PHP</a></div></div><div class="eco-item" data-reactid="120"><h4 data-reactid="121">API</h4><p data-reactid="122"><span data-reactid="123">Dubbo支持通过多种API方式启动:</span></p><div class="tags" data-reactid="124"><a href="/zh-cn/docs/user/configuration/xml.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="125">Spring XML</a><a href="/zh-cn/docs/user/configuration/annotation.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="126">Spring Annotation</a><a href="/zh-cn/docs/user/configuration/properties.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="127">Plain Java</a><a href="https://github.com/apache/incubator-dubbo-spring-boot-project" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="128">Spring Boot</a></div></div><div class="eco-item" data-reactid="129"><h4 data-reactid="130">Registry</h4><p data-reactid="131"><span data-reactid="132">Dubbo支持以下注册中心:</span></p><div class="tags" data-reactid="133"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="134">Zookeeper</a><a href="/zh-cn/docs/user/references/registry/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="135">Redis</a><a href="/zh-cn/docs/user/references/registry/simple.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="136">Simple</a><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="137">Multicast</a><a href="https://github.com/dubbo/dubbo-registry-etcd" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="138">Etcd3</a></div></div><div class="eco-item" data-reactid="139"><h4 data-reactid="140">Cluster</h4><p data-reactid="141"><span data-reactid="142">Dubbo支持以下容错机制:</span></p><div class="tags" data-reactid="143"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="144">Fail over</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="145">Fail safe</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="146">Fail fast</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="147">Fail back</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="148">Forking</a><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="149">Broadcast</a></div></div><div class="eco-item" data-reactid="150"><h4 data-reactid="151">Load balance</h4><p data-reactid="152"><span data-reactid="153">Dubbo支持以下负载均衡策略:</span></p><div class="tags" data-reactid="154"><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="155">Random</a><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="156">Least Active</a><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="157">Round Robin</a><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="158">Consistent hash</a></div></div><div class="eco-item" data-reactid="159"><h4 data-reactid="160">Protocol</h4><p data-reactid="161"><span data-reactid="162">Dubbo支持以下协议:</span></p><div class="tags" data-reactid="163"><a href="/zh-cn/docs/user/references/protocol/dubbo.html" target="_blank" rel="noopener noreferrer" style="background:#7A63FC;" data-reactid="164">Dubbo</a><a href="/zh-cn/docs/user/references/protocol/rmi.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="165">RMI</a><a href="/zh-cn/docs/user/references/protocol/hessian.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="166">Hessian</a><a href="/zh-cn/docs/user/references/protocol/http.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="167">HTTP</a><a href="/zh-cn/docs/user/references/protocol/webservice.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="168">WebService</a><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="169">Thrift</a><a href="https://github.com/dubbo/dubbo-rpc-native-thrift" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="170">Native Thrift</a><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="171">Memcached</a><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="172">Redis</a><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="173">Rest</a><a href="https://github.com/apache/incubator-dubbo-rpc-jsonrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="174">JsonRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-xmlrpc" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="175">XmlRPC</a><a href="https://github.com/dubbo/incubator-dubbo-rpc-jms" target="_blank" rel="noopener noreferrer" style="background:#00D0D9;" data-reactid="176">JmsRpc</a></div></div><div class="eco-item" data-reactid="177"><h4 data-reactid="178">Transport</h4><p data-reactid="179"><span data-reactid="180">Dubbo支持以下网络传输扩展:</span></p><div 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style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->schema配置参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/zh-cn/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/zh-cn/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/zh-cn/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/zh-cn/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/zh-cn/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/zh-cn/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/zh-cn/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/zh-cn/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/zh-cn/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/zh-cn/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/zh-cn/docs/user/references/xml/dubbo-method.html" target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/zh-cn/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/zh-cn/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->协议参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item menu-item-level-3" data-reactid="198"><a href="/zh-cn/docs/user/references/protocol/introduction.html" target="_self" data-reactid="199">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="200"><a href="/zh-cn/docs/user/references/protocol/dubbo.html" target="_self" data-reactid="201">dubbo://</a></li><li class="menu-item menu-item-level-3" data-reactid="202"><a href="/zh-cn/docs/user/references/protocol/rmi.html" target="_self" data-reactid="203">rmi://</a></li><li class="menu-item menu-item-level-3" data-reactid="204"><a href="/zh-cn/docs/user/references/protocol/hessian.html" target="_self" data-reactid="205">hessian://</a></li><li class="menu-item menu-item-level-3" data-reactid="206"><a href="/zh-cn/docs/user/references/protocol/http.html" target="_self" data-reactid="207">http://</a></li><li class="menu-item menu-item-level-3" data-reactid="208"><a href="/zh-cn/docs/user/references/protocol/webservice.html" target="_self" data-reactid="209">webservice://</a></li><li class="menu-item menu-item-level-3" data-reactid="210"><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->注册中心参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><p>这篇文档详细讲解了 dubbo 注册中心、管理控制台的安装和使用。</p>
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markdown-body" data-reactid="383"><p>这篇文档详细讲解了 dubbo 注册中心、管理控制台的安装和使用。</p>
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data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/zh-cn/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/zh-cn/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/zh-cn/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/zh-cn/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/zh-cn/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/zh-cn/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/zh-cn/docs/user/references/xml/dubbo-method.html" target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/zh-cn/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/zh-cn/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->协议参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item 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class="menu-item menu-item-level-3" data-reactid="210"><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->注册中心参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><ul>
 <li><a href="install/introduction.md">1 安装手册</a>
 <ul>
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@@ -30,7 +30,7 @@
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markdown-body" data-reactid="383"><h1>管理控制台安装</h1>
 <p>管理控制台为内部裁剪版本，开源部分主要包含：路由规则，动态配置，服务降级，访问控制，权重调整，负载均衡，等管理功能。</p>
 <p>安装:</p>
 <pre><code class="language-sh">wget http://apache.etoak.com/tomcat/tomcat-6/v6.0.35/bin/apache-tomcat-6.0.35.tar.gz
@@ -52,7 +52,7 @@
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diff --git a/zh-cn/docs/admin/install/consumer-demo.html b/zh-cn/docs/admin/install/consumer-demo.html
index b70715d2e5c3..ffb66a2f56d6 100644
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markdown-body" data-reactid="383"><h1>示例消费者安装</h1>
 <p>安装:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo.git
 <span class="hljs-built_in">cd</span> incubator-dubbo
@@ -24,7 +24,7 @@
 <pre><code class="language-sh">resource/META-INFO.spring/dubbo-demo-consumer.xml
 修改其中的dubbo:registery，替换成Provider提供的注册中心地址
 </code></pre>
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markdown-body" data-reactid="383"><h1>安装手册</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-940868479"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>安装手册</h1>
 <p>你可以只运行 Demo Provider 和 Demo Consumer，它们缺省配置为通过 Multicast  <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 注册中心广播互相发现，建议在不同机器上运行，如果在同一机器上，需设置 <code>unicast=false</code>：即： <code>multicast://224.5.6.7:1234?unicast=false</code>，否则发给消费者的单播消息可能被提供者抢占，两个消费者在同一台机器也一样，只有 multicast 注册中心有此问题。</p>
 <p>你也可以运行多个 Demo Provider 和 Demo Consumer，来验证软负载均衡，Demo Consumer 可以直接启动多个实例，而多个 Demo Provider 因有端口冲突，可在不同机器上运行，或者修改 Demo Provider 安装目录下 <code>conf/dubbo.properties</code> 配置中的 <code>dubbo.protocol.port</code> 的值。</p>
 <p>你也可以增加运行 Simple Monitor 监控中心，它缺省配置为通过 Multicast 注册中心广播发现 Provider 和 Consumer，并展示出它们的依赖关系，以及它们之间调用的次数和时间。</p>
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markdown-body" data-reactid="383"><h1>示例提供者安装</h1>
 <p>安装：</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo.git
 <span class="hljs-built_in">cd</span> incubator-dubbo
@@ -23,7 +23,7 @@
 <pre><code class="language-sh">resource/META-INFO.spring/dubbo-demo-provider.xml
 修改其中的dubbo:registery，替换成真实的注册中心地址，推荐使用zookeeper
 </code></pre>
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markdown-body" data-reactid="383"><h1>Redis 注册中心安装</h1>
 <p>Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 使用方式参见: <a href="http://dubbo.apache.org/books/dubbo-user-book/references/registry/redis.html">Redis 注册中心参考手册</a>。</p>
 <p>只需搭一个原生的 Redis 服务器，并将<a href="http://dubbo.apache.org/books/dubbo-user-book/quick-start.html">快速启动</a>中 Provider 和 Consumer 里的 <code>conf/dubbo.properties</code> 中的 <code>dubbo.registry.addrss</code> 的值改为 <code>redis://127.0.0.1:6379</code> 即可使用。</p>
 <p>Redis 注册中心集群 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> 采用在客户端同时写入多个服务器，读取单个服务器的策略实现。</p>
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markdown-body" data-reactid="383"><h1>Simple 监控中心安装</h1>
 <h2>安装步骤</h2>
 <p>安装:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo-ops
@@ -70,7 +70,7 @@ <h2>注意事项</h2>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>Simple 注册中心安装</h1>
 <p>Simple Registry 没有经过严格测试，可能不健状，并且不支持集群，不建议用于生产环境。</p>
 <p>安装:</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo-ops
@@ -62,7 +62,7 @@
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diff --git a/zh-cn/docs/admin/install/zookeeper.html b/zh-cn/docs/admin/install/zookeeper.html
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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>Zookeeper 注册中心安装</h1>
 <p>建议使用 <code>dubbo-2.3.3</code> 以上版本的 zookeeper <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 注册中心客户端。</p>
 <p>Dubbo 未对 Zookeeper 服务器端做任何侵入修改，只需安装原生的 Zookeeper 服务器即可，所有注册中心逻辑适配都在调用 Zookeeper 客户端时完成。</p>
 <p>安装:</p>
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markdown-body" data-reactid="383"><h1>管理控制台运维</h1>
 <h2>搜索页面</h2>
 <p>当你需要管理 Dubbo 的服务时，首先要搜索到这个服务，然后打开它的管理页面</p>
 <p><img src="../sources/images/dubbo-search.png" alt="/admin-guide/images/dubbo-search.png"></p>
@@ -34,7 +34,7 @@ <h5>动态配置</h5>
 <h5>权重调节</h5>
 <h5>负载均衡</h5>
 <h5>服务负责人</h5>
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diff --git a/zh-cn/docs/admin/ops/introduction.html b/zh-cn/docs/admin/ops/introduction.html
index 761b689c9ac9..104d9fb09f52 100644
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href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item 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markdown-body" data-reactid="383"><h1>使用Pinpoint做分布式跟踪</h1>
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markdown-body" data-reactid="383"><h1>使用Pinpoint做分布式跟踪</h1>
 <p>在使用Dubbo进行服务化或者整合应用后，假设某个服务后台日志显示有异常，这个服务又被多个应用调用的情况下，我们通常很难判断是哪个应用调用的，问题的起因是什么，因此我们需要一套分布式跟踪系统来快速定位问题，Pinpoint可以帮助我们快速定位问题（当然，解决方案也不止这一种）。</p>
 <h2>什么是Pinpoint(摘自<a href="https://skyao.gitbooks.io/learning-pinpoint/">Pinpoint学习笔记</a>)</h2>
 <p><a href="https://github.com/naver/pinpoint">Pinpoint</a>是一个开源的 APM (Application Performance Management/应用性能管理)工具，用于基于java的大规模分布式系统。
@@ -391,7 +391,7 @@ <h3>深入跟踪</h3>
 <p><img src="../sources/images/pinpoint-mixedview.png" alt="/admin-guide/images/pinpoint-mixedview.png"></p>
 <h3>其他</h3>
 <p>示例简单的模拟了Dubbo的提供和调用，并没有进行数据库等其他中间件的应用，详细使用请参照Pinpoint文档。</p>
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diff --git a/zh-cn/docs/admin/ops/skywalking.html b/zh-cn/docs/admin/ops/skywalking.html
index d3c477e971d9..7231fd9a243c 100644
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 </head>
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markdown-body" data-reactid="383"><h1>使用Apache Skywalking (Incubator) 做分布式跟踪</h1>
 <h2>Apache Skywalking(Incubator)简介</h2>
 <p><a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a> 专门为微服务架构和云原生架构系统而设计并且支持分布式链路追踪的APM系统。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking(Incubator)</a>通过加载探针的方式收集应用调用链路信息，并对采集的调用链路信息进行分析，生成应用间关系和服务间关系以及服务指标。<a href="https://github.com/apache/incubator-skywalking">Apache Skywalking (Incubating)</a>目前支持多种语言，其中包括<a href="https://github.com/apache/incubator-skywalking">Java</a>，<a href="https://github.com/OpenSkywalking/skywalking-netcore">.Net Core</a>，<a href="https://github.com/OpenSkywalking/skywalking-nodejs">Node.js</a>和<a href="https://github.com/OpenSkywalking/skywalking-go">Go</a>语言。</p>
 <p>目前Skywalking已经支持从6个可视化维度剖析分布式系统的运行情况。总览视图是应用和组件的全局视图，其中包括组件和应用数量，应用的告警波动，慢服务列表以及应用吞吐量；拓扑图从应用依赖关系出发，展现整个应用的拓扑关系；应用视图则是从单个应用的角度，展现应用的上下游关系，TopN的服务和服务器，JVM的相关信息以及对应的主机信息。服务视图关注单个服务入口的运行情况以及此服务的上下游依赖关系，依赖度，帮助用户针对单个服务的优化和监控；调用链展现了调用的单次请求经过的所有埋点以及每个埋点的执行时长；告警视图根据配置阈值针对应用、服务器、服务进行实时告警。</p>
@@ -118,7 +118,7 @@ <h3>Trace视图</h3>
 <img src="../sources/images/skywalking-span-Info.png" alt="/admin-guide/images/skywalking-span-Info.png"></p>
 <h3>告警视图</h3>
 <p><img src="../sources/images/skywalking-alarm.png" alt="/admin-guide/images/skywalking-alarm.png"></p>
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markdown-body" data-reactid="383"><h1>扩展点加载</h1>
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markdown-body" data-reactid="383"><h1>扩展点加载</h1>
 <h2>扩展点配置</h2>
 <h3>来源：</h3>
 <p>Dubbo 的扩展点加载从 JDK 标准的 SPI (Service Provider Interface) 扩展点发现机制加强而来。</p>
@@ -183,7 +183,7 @@ <h3>扩展点自动激活</h3>
 </li>
 </ol>
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class="menu-item menu-item-level-3" data-reactid="210"><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->注册中心参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>Summary</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1392919965"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/zh-cn/docs/user/preface/background.html" target="_self" data-reactid="39">背景</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/zh-cn/docs/user/preface/requirements.html" target="_self" data-reactid="41">需求</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/zh-cn/docs/user/preface/architecture.html" target="_self" data-reactid="43">架构</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/zh-cn/docs/user/preface/usage.html" target="_self" data-reactid="45">用法</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="47">快速启动</a></li><li style="height:36px;overflow:hidden;" 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markdown-body" data-reactid="383"><h1>Summary</h1>
 <ul>
 <li><a href="./build.md">1 源码构建</a></li>
 <li><a href="./design.md">2 框架设计</a></li>
@@ -67,7 +67,7 @@
 <li><a href="./code-smell.md">12 坏味道</a></li>
 <li><a href="./TCK.md">13 技术兼容性测试</a></li>
 </ul>
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markdown-body" data-reactid="383"><h1>技术兼容性测试</h1>
 <p>Dubbo 的协议，通讯，序列化，注册中心，负载均策等扩展点，都有多种可选策略，以应对不同应用场景，而我们的测试用例很分散，当用户自己需要加一种新的实现时，总是不确定能否满足扩展点的完整契约。</p>
 <p>所以，我们需要对核心扩展点写 <a href="http://en.wikipedia.org/wiki/Technology_Compatibility_Kit">TCK</a> (Technology Compatibility Kit)，用户增加一种扩展实现，只需通过 TCK，即可确保与框架的其它部分兼容运行，可以有效提高整体健状性，也方便第三方扩展者接入，加速开源社区的成熟。</p>
 <p>开源社区的行知同学已着手研究这一块，他的初步想法是借鉴 JBoss 的 CDI-TCK，做一个 Dubbo 的 TCK 基础框架，在此之上实现 Dubbo 的扩展点 TCK 用例。</p>
@@ -26,7 +26,7 @@ <h4>Registry TCK</h4>
 <blockquote>
 <p>TODO</p>
 </blockquote>
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markdown-body" data-reactid="383"><h1>源码构建</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-177538918"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>源码构建</h1>
 <h2>代码签出</h2>
 <p>通过以下的这个命令签出最新的项目源码 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>：</p>
 <pre><code class="language-sh">git <span class="hljs-built_in">clone</span> https://github.com/apache/incubator-dubbo.git dubbo
@@ -61,7 +61,7 @@ <h3>eclipse</h3>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" data-reactid="396">Foundation</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" data-reactid="398">License</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" data-reactid="400">Events</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="402">Sponsorship</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="404">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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index e7f3f0e8d4a0..df96fba945f8 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
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href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>检查列表</h1>
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href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" 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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li 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markdown-body" data-reactid="383"><h1>检查列表</h1>
 <h2>发布前 checklist</h2>
 <ul>
 <li>jira ticket 过一遍</li>
@@ -39,7 +39,7 @@ <h2>Partner Check</h2>
 <li>Partner 发现问题、添加测试（集成测试）复现总是；Owner 完成实现。（保证两方的时间投入 PatternerCheck 的给予时间保证）</li>
 <li>Owner 向 Partner 讲述一遍实现。</li>
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markdown-body" data-reactid="383"><h1>坏味道</h1>
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markdown-body" data-reactid="383"><h1>坏味道</h1>
 <p>这里记录的是 Dubbo 设计或实现不优雅的地方。</p>
 <h2>URL 转换</h2>
 <h3>1. 点对点暴露和引用服务</h3>
@@ -140,7 +140,7 @@ <h2>服务提供者选择逻辑</h2>
 <li>如果所有的服务提供者都不可用，重新遍历整个列表（优先从没有选过的列表中选择），判断是否有可用的服务提供者（选择过程中，不可用的服务提供者可能会恢复到可用状态），如果有，则进行后续调用</li>
 <li>如果第三步没有选择出可用的服务提供者，会选第一步选出的 invoker 中的下一个（如果不是最后一个），避免碰撞。</li>
 </ol>
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markdown-body" data-reactid="383"><h1>编码约定</h1>
 <h2>代码风格</h2>
 <p>Dubbo 的源代码和 JavaDoc 遵循以下的规范：</p>
 <ul>
@@ -71,7 +71,7 @@ <h2>模块与分包</h2>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>公共契约</h1>
 <p>这里记录的是 Dubbo 公共契约，希望所有扩展点遵守。</p>
 <h2>URL</h2>
 <ul>
@@ -25,7 +25,7 @@ <h2>日志</h2>
 <li>如果可恢复异常，或瞬时的状态不一致，打印 WARN 日志。</li>
 <li>正常运行时的中间状态提示，打印 INFO 日志。</li>
 </ul>
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markdown-body" data-reactid="383"><h1>贡献</h1>
 <h2>流程</h2>
 <ul>
 <li>如果是扩展功能，直接新增工程，黑盒依赖 Dubbo 进行扩展。</li>
@@ -332,7 +332,7 @@ <h2>任务</h2>
 </tr>
 </tbody>
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markdown-body" data-reactid="383"><h1>框架设计</h1>
 <h2>整体设计</h2>
 <p><img src="sources/images/dubbo-framework.jpg" alt="/dev-guide/images/dubbo-framework.jpg"></p>
 <p>图例说明：</p>
@@ -94,7 +94,7 @@ <h2>基本设计原则</h2>
 <li>采用 URL 作为配置信息的统一格式，所有扩展点都通过传递 URL 携带配置信息。</li>
 </ul>
 <p>更多设计原则参见：<a href="./principals/introduction.md">框架设计原则</a></p>
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markdown-body" data-reactid="383"><h1>实现细节</h1>
 <h2>初始化过程细节</h2>
 <h3>解析服务</h3>
 <p>基于 dubbo.jar 内的 <code>META-INF/spring.handlers</code> 配置，Spring 在遇到 dubbo 名称空间时，会回调 <code>DubboNamespaceHandler</code>。</p>
@@ -112,7 +112,7 @@ <h3>线程派发模型</h3>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>缓存扩展</h1>
 <h2>扩展说明</h2>
 <p>用请求参数作为 key，缓存返回结果。</p>
 <h2>扩展接口</h2>
@@ -74,7 +74,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.cache.CacheFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxCacheFactory
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/cluster.html b/zh-cn/docs/dev/impls/cluster.html
index 24c05107c620..624b02c8e3b5 100644
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+++ b/zh-cn/docs/dev/impls/cluster.html
@@ -12,7 +12,7 @@
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markdown-body" data-reactid="383"><h1>集群扩展</h1>
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markdown-body" data-reactid="383"><h1>集群扩展</h1>
 <h2>扩展说明</h2>
 <p>当有多个服务提供方时，将多个服务提供方组织成一个集群，并伪装成一个提供方。</p>
 <h2>扩展接口</h2>
@@ -69,7 +69,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.Cluster：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxCluster
 </code></pre>
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markdown-body" data-reactid="383"><h1>编译器扩展</h1>
 <h2>扩展说明</h2>
 <p>Java 代码编译器，用于动态生成字节码，加速调用。</p>
 <h2>扩展接口</h2>
@@ -51,7 +51,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.compiler.Compiler：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxCompiler
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/container.html b/zh-cn/docs/dev/impls/container.html
index 7f06983561cd..73ae97f36633 100644
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+++ b/zh-cn/docs/dev/impls/container.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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markdown-body" data-reactid="383"><h1>容器扩展</h1>
 <h2>扩展说明</h2>
 <p>服务容器扩展，用于自定义加载内容。</p>
 <h2>扩展接口</h2>
@@ -57,7 +57,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.container.Container：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxContainer
 </code></pre>
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markdown-body" data-reactid="383"><h1>消息派发扩展</h1>
 <h2>扩展说明</h2>
 <p>通道信息派发器，用于指定线程池模型。</p>
 <h2>扩展接口</h2>
@@ -57,7 +57,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.Dispatcher：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxDispatcher
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/exchanger.html b/zh-cn/docs/dev/impls/exchanger.html
index 58ffbbb71be9..c731328664cb 100644
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 <body>
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markdown-body" data-reactid="383"><h1>信息交换扩展</h1>
 <h2>扩展说明</h2>
 <p>基于传输层之上，实现 Request-Response 信息交换语义。</p>
 <h2>扩展接口</h2>
@@ -80,7 +80,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.exchange.Exchanger：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxExchanger
 </code></pre>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>暴露监听扩展</h1>
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markdown-body" data-reactid="383"><h1>暴露监听扩展</h1>
 <h2>扩展说明</h2>
 <p>当有服务暴露时，触发该事件。</p>
 <h2>扩展接口</h2>
@@ -58,7 +58,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.ExporterListener：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxExporterListener
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/extension-factory.html b/zh-cn/docs/dev/impls/extension-factory.html
index 16f4a6b46225..23df816d4251 100644
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markdown-body" data-reactid="383"><h1>扩展点加载扩展</h1>
 <h2>扩展说明</h2>
 <p>扩展点本身的加载容器，可从不同容器加载扩展点。</p>
 <h2>扩展接口</h2>
@@ -52,7 +52,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.extension.ExtensionFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxExtensionFactory
 </code></pre>
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markdown-body" data-reactid="383"><h1>调用拦截扩展</h1>
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markdown-body" data-reactid="383"><h1>调用拦截扩展</h1>
 <h2>扩展说明</h2>
 <p>服务提供方和服务消费方调用过程拦截，Dubbo 本身的大多功能均基于此扩展点实现，每次远程方法执行，该拦截都会被执行，请注意对性能的影响。</p>
 <p>约定：</p>
@@ -84,7 +84,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.Filter：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxFilter
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/introduction.html b/zh-cn/docs/dev/impls/introduction.html
index 1a027a7947d2..169a93c8da22 100644
--- a/zh-cn/docs/dev/impls/introduction.html
+++ b/zh-cn/docs/dev/impls/introduction.html
@@ -12,9 +12,9 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>SPI 扩展实现</h1>
 <p>SPI 扩展接口仅用于系统集成，或 Contributor 扩展功能插件。</p>
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markdown-body" data-reactid="383"><h1>引用监听扩展</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1676840436"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>引用监听扩展</h1>
 <h2>扩展说明</h2>
 <p>当有服务引用时，触发该事件。</p>
 <h2>扩展接口</h2>
@@ -57,7 +57,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.InvokerListener：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxInvokerListener
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/load-balance.html b/zh-cn/docs/dev/impls/load-balance.html
index 834db071c887..77464d0dbdf8 100644
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+++ b/zh-cn/docs/dev/impls/load-balance.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
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markdown-body" data-reactid="383"><h1>负载均衡扩展</h1>
 <h2>扩展说明</h2>
 <p>从多个服务提者方中选择一个进行调用</p>
 <h2>扩展接口</h2>
@@ -58,7 +58,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.LoadBalance：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxLoadBalance
 </code></pre>
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markdown-body" data-reactid="383"><h1>日志适配扩展</h1>
 <h2>扩展说明</h2>
 <p>日志输出适配扩展点。</p>
 <h2>扩展接口</h2>
@@ -73,7 +73,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.logger.LoggerAdapter：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxLoggerAdapter
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/merger.html b/zh-cn/docs/dev/impls/merger.html
index c01543b98f8a..70c5d9080d1c 100644
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@@ -12,7 +12,7 @@
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 </head>
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markdown-body" data-reactid="383"><h1>合并结果扩展</h1>
 <h2>扩展说明</h2>
 <p>合并返回结果，用于分组聚合。</p>
 <h2>扩展接口</h2>
@@ -54,7 +54,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.Merger：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxMerger
 </code></pre>
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markdown-body" data-reactid="383"><h1>监控中心扩展</h1>
 <h2>扩展说明</h2>
 <p>负责服务调用次和调用时间的监控。</p>
 <h2>扩展接口</h2>
@@ -67,7 +67,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.monitor.MonitorFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxMonitorFactory
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/networker.html b/zh-cn/docs/dev/impls/networker.html
index 6df7c091e2d5..34dc5cff7af1 100644
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@@ -12,7 +12,7 @@
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 </head>
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markdown-body" data-reactid="383"><h1>组网扩展</h1>
 <h2>扩展说明</h2>
 <p>对等网络节点组网器。</p>
 <h2>扩展接口</h2>
@@ -54,7 +54,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.p2p.Networker：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxNetworker
 </code></pre>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>页面扩展</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1386999439"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>页面扩展</h1>
 <h2>扩展说明</h2>
 <p>对等网络节点组网器。</p>
 <h2>扩展接口</h2>
@@ -56,7 +56,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.container.page.PageHandler：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxPageHandler
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/protocol.html b/zh-cn/docs/dev/impls/protocol.html
index 1cda23935894..7809a17fdd1b 100644
--- a/zh-cn/docs/dev/impls/protocol.html
+++ b/zh-cn/docs/dev/impls/protocol.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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markdown-body" data-reactid="383"><h1>协议扩展</h1>
 <h2>扩展说明</h2>
 <p>RPC 协议扩展，封装远程调用细节。</p>
 <p>契约：</p>
@@ -140,7 +140,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.Protocol：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxProtocol
 </code></pre>
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markdown-body" data-reactid="383"><h1>动态代理扩展</h1>
 <h2>扩展说明</h2>
 <p>将 <code>Invoker</code> 接口转换成业务接口。</p>
 <h2>扩展接口</h2>
@@ -60,7 +60,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.ProxyFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxProxyFactory
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/registry.html b/zh-cn/docs/dev/impls/registry.html
index a433dbc2bde9..9c9175c21d7b 100644
--- a/zh-cn/docs/dev/impls/registry.html
+++ b/zh-cn/docs/dev/impls/registry.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
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markdown-body" data-reactid="383"><h1>注册中心扩展</h1>
 <h2>扩展说明</h2>
 <p>负责服务的注册与发现。</p>
 <h2>扩展接口</h2>
@@ -187,7 +187,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.registry.RegistryFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxRegistryFactory
 </code></pre>
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markdown-body" data-reactid="383"><h1>网络传输扩展</h1>
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markdown-body" data-reactid="383"><h1>网络传输扩展</h1>
 <h2>扩展说明</h2>
 <p>远程通讯的服务器及客户端传输实现。</p>
 <h2>扩展接口</h2>
@@ -113,7 +113,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.remoting.Transporter：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxTransporter
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/router.html b/zh-cn/docs/dev/impls/router.html
index 2bc9fddd9850..0f29e893a2e7 100644
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+++ b/zh-cn/docs/dev/impls/router.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
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markdown-body" data-reactid="383"><h1>路由扩展</h1>
 <h2>扩展说明</h2>
 <p>从多个服务提者方中选择一个进行调用。</p>
 <h2>扩展接口</h2>
@@ -56,7 +56,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.rpc.cluster.RouterFactory：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxRouterFactory
 </code></pre>
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markdown-body" data-reactid="383"><h1>序列化扩展</h1>
 <h2>扩展说明</h2>
 <p>将对象转成字节流，用于网络传输，以及将字节流转为对象，用于在收到字节流数据后还原成对象。</p>
 <h2>扩展接口</h2>
@@ -69,7 +69,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.serialize.Serialization：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxSerialization
 </code></pre>
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markdown-body" data-reactid="383"><h1>状态检查扩展</h1>
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markdown-body" data-reactid="383"><h1>状态检查扩展</h1>
 <h2>扩展说明</h2>
 <p>检查服务依赖各种资源的状态，此状态检查可同时用于 telnet 的 status 命令和 hosting 的 status 页面。</p>
 <h2>扩展接口</h2>
@@ -59,7 +59,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.status.StatusChecker：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxStatusChecker
 </code></pre>
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markdown-body" data-reactid="383"><h1>Telnet 命令扩展</h1>
 <h2>扩展说明</h2>
 <p>所有服务器均支持 telnet 访问，用于人工干预。</p>
 <h2>扩展接口</h2>
@@ -69,7 +69,7 @@ <h2>用法</h2>
 <pre><code class="language-sh">telnet 127.0.0.1 20880
 dubbo&gt; xxx args
 </code></pre>
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diff --git a/zh-cn/docs/dev/impls/threadpool.html b/zh-cn/docs/dev/impls/threadpool.html
index 169e2aa5c61a..184f40abc645 100644
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+++ b/zh-cn/docs/dev/impls/threadpool.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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markdown-body" data-reactid="383"><h1>线程池扩展</h1>
 <h2>扩展说明</h2>
 <p>服务提供方线程程实现策略，当服务器收到一个请求时，需要在线程池中创建一个线程去执行服务提供方业务逻辑。</p>
 <h2>扩展接口</h2>
@@ -55,7 +55,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.common.threadpool.ThreadPool：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxThreadPool
 </code></pre>
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markdown-body" data-reactid="383"><h1>验证扩展</h1>
 <h2>扩展说明</h2>
 <p>参数验证扩展点。</p>
 <h2>扩展接口</h2>
@@ -65,7 +65,7 @@ <h2>扩展示例</h2>
 <p>META-INF/dubbo/com.alibaba.dubbo.validation.Validation：</p>
 <pre><code class="language-properties">xxx=com.xxx.XxxValidation
 </code></pre>
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index 90fd1899ae2a..507487e0e12d 100644
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 </head>
 <body>
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data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/zh-cn/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/zh-cn/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/zh-cn/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/zh-cn/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/zh-cn/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/zh-cn/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/zh-cn/docs/user/references/xml/dubbo-method.html" target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/zh-cn/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/zh-cn/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->协议参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item 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class="menu-item menu-item-level-3" data-reactid="210"><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->注册中心参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item 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markdown-body" data-reactid="383"><p>这里增加《开发指南》的内容</p>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>魔鬼在细节</h1>
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markdown-body" data-reactid="383"><h1>魔鬼在细节</h1>
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/1056664">http://javatar.iteye.com/blog/1056664</a></p>
 </blockquote>
@@ -33,7 +33,7 @@ <h2>降低修改时的误解性，不埋雷</h2>
 <p>前面不停的提到代码被其他人修改，这也开发人员要随时紧记的。这个其他人包括未来的自己，你要总想着这个代码可能会有人去改它。我应该给修改的人一点什么提示，让他知道我现在的设计意图，而不要在程序里面加潜规则，或埋一些容易忽视的雷，比如：你用 null 表示不可用，size 等于 0 表示黑名单，这就是一个雷，下一个修改者，包括你自己，都不会记得有这样的约定，可能后面为了改某个其它 BUG，不小心改到了这里，直接引爆故障。对于这个例子，一个原则就是永远不要区分 null 引用和 empty 值。</p>
 <h2>提高代码的可测性</h2>
 <p>这里的可测性主要指 Mock 的容易程度，和测试的隔离性。至于测试的自动性，可重复性，非偶然性，无序性，完备性(全覆盖)，轻量性(可快速执行)，一般开发人员，加上 JUnit 等工具的辅助基本都能做到，也能理解它的好处，只是工作量问题。这里要特别强调的是测试用例的单一性(只测目标类本身)和隔离性(不传染失败)。现在的测试代码，过于强调完备性，大量重复交叉测试，看起来没啥坏处，但测试代码越多，维护代价越高。经常出现的问题是，修改一行代码或加一个判断条件，引起 100 多个测试用例不通过。时间一紧，谁有这个闲功夫去改这么多形态各异的测试用例？久而久之，这个测试代码就已经不能真实反应代码现在的状况，很多时候会被迫绕过。最好的情况是，修改一行代码，有且只有一行测试代码不通过。如果修改了代码而测试用例还能通过，那也不行，表示测试没有覆盖到。另外，可 Mock 性是隔离的基础，把间接依赖的逻辑屏蔽掉。可 Mock 性的一个最大的杀手就是静态方法，尽量少用。</p>
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diff --git a/zh-cn/docs/dev/principals/configuration.html b/zh-cn/docs/dev/principals/configuration.html
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markdown-body" data-reactid="383"><h1>配置设计</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="44534312"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a 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href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" 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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li 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href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>配置设计</h1>
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/949527">http://javatar.iteye.com/blog/949527</a></p>
 </blockquote>
@@ -65,7 +65,7 @@ <h2>配置继承</h2>
 <h2>配置向后兼容</h2>
 <p>向前兼容很好办，你只要保证配置只增不减，就基本上能保证向前兼容。但向后兼容，也是要注意的，要为后续加入新的配置项做好准备。如果配置出现一个特殊配置，就应该为这个“特殊”情况约定一个兼容规则，因为这个特殊情况，很有可能在以后还会发生。比如：有一个配置文件是保存“服务=地址”映射关系的，其中有一行特殊，保存的是“注册中心=地址”。现在程序加载时，约定“注册中心”这个Key是特殊的，做特别处理，其它的都是“服务”。然而，新版本发现，要加一项“监控中心=地址”，这时，旧版本的程序会把“监控中心”做为“服务”处理，因为旧代码是不能改的，兼容性就很会很麻烦。如果先前约定“特殊标识+XXX”为特殊处理，后续就会方便很多。</p>
 <p>向后兼容性，可以多向HTML5学习，参见：<a href="http://javatar.iteye.com/blog/949390">HTML5设计原理</a></p>
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markdown-body" data-reactid="383"><h1>防痴呆设计</h1>
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markdown-body" data-reactid="383"><h1>防痴呆设计</h1>
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/804187">http://javatar.iteye.com/blog/804187</a></p>
 </blockquote>
@@ -190,7 +190,7 @@ <h2>kill 之前先 dump</h2>
 <span class="hljs-keyword">fi</span>  
 <span class="hljs-built_in">echo</span> <span class="hljs-string">"OK!"</span>
 </code></pre>
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markdown-body" data-reactid="383"><h1>谈谈扩充式扩展与增量式扩展</h1>
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/690845">http://javatar.iteye.com/blog/690845</a></p>
 </blockquote>
@@ -23,7 +23,7 @@
 <p><img src="../sources/images/open-expand.jpg" alt="open-expand"></p>
 <p>如果采用增量式扩展，无状态消息发送原封不动，同步消息发送，在无状态消息基础上加一个 Request/Response 处理，会话消息发送，再加一个 SessionRequest/SessionResponse 处理。</p>
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markdown-body" data-reactid="383"><h1>扩展点重构</h1>
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markdown-body" data-reactid="383"><h1>扩展点重构</h1>
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/1041832">http://javatar.iteye.com/blog/1041832</a></p>
 </blockquote>
@@ -98,7 +98,7 @@ <h2>第五步，分层，组合式扩展，而不是泛化式扩展</h2>
 <h2>第六步，整理，梳理关系</h2>
 <p>整理后，设计如下：</p>
 <p><img src="../sources/images/design-step4.png" alt="design-step-4"></p>
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index 4fefa9c4f0e8..4208df4ca17e 100644
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markdown-body" data-reactid="383"><h1>一些设计上的基本常识</h1>
 <blockquote>
 <p><a href="http://javatar.iteye.com/blog/706098">http://javatar.iteye.com/blog/706098</a></p>
 </blockquote>
@@ -48,7 +48,7 @@ <h2>区分命令与查询，明确前置条件与后置条件</h2>
 <p>这个是契约式设计的一部分，尽量遵守有返回值的方法是查询方法，void 返回的方法是命令。查询方法通常是幂等性的，无副作用的，也就是不改变任何状态，调 n 次结果都是一样的，比如 get 某个属性值，或查询一条数据库记录。命令是指有副作用的，也就是会修改状态，比如 set 某个值，或 update 某条数据库记录。如果你的方法即做了修改状态的操作，又做了查询返回，如果可能，将其拆成写读分离的两个方法，比如：User deleteUser(id)，删除用户并返回被删除的用户，考虑改为 getUser() 和 void 的 deleteUser()。 另外，每个方法都尽量前置断言传入参数的合法性，后置断言返回结果的合法性，并文档化。</p>
 <h2>增量式扩展，而不要扩充原始核心概念</h2>
 <p>参见：<a href="./principals/expansibility.md">谈谈扩充式扩展与增量式扩展</a></p>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a 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markdown-body" data-reactid="383"><h1>设计原则</h1>
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markdown-body" data-reactid="383"><h1>设计原则</h1>
 <p>本章节的设计原则摘录自梁飞在 javaeye 上发表的系列文章。</p>
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markdown-body" data-reactid="383"><h1>设计实现的健壮性</h1>
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markdown-body" data-reactid="383"><h1>设计实现的健壮性</h1>
 <blockquote>
 <p><a href="http://oldratlee.com/380/tech/java/robustness-of-implement.html">http://oldratlee.com/380/tech/java/robustness-of-implement.html</a></p>
 </blockquote>
@@ -61,7 +61,7 @@ <h3>数据库上的活锁</h3>
 <p>这样操作减少后，保证数据库可以冷却（Cool Down）下来。</p>
 <h3>Client 重连注册中心</h3>
 <p>当一个注册中心停机时，其它的 Client 会同时接收事件，而去重连另一个注册中心。Client 数量相对比较多，会对注册中心造成冲击。避免方法可以是 Client 重连时随机延时 3 分钟，把重连分散开。</p>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>版本管理</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="523200726"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img 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markdown-body" data-reactid="383"><h1>版本管理</h1>
 <p><strong>新功能的开发</strong> 和 <strong>稳定性的提高</strong> 对产品都很重要。但是添加新功能会影响稳定性，Dubbo 使用如下的版本开发模式来保障两者。</p>
 <h2>2 个版本并行开发</h2>
 <ul>
@@ -45,7 +45,7 @@ <h2>用户要配合的职责</h2>
 <li>GA 版本有 Bug 会火速 Fix</li>
 <li>相对出问题才升级到 GA 版本（可以跨了多个版本）定期升级平摊风险（类似小步快跑）。经历过周期长的大项目的同学会有这样的经历，三方库版本长时间不升级，结果出了问题不得不升级到新版本（跨了多个版本）风险巨大。</li>
 </ul>
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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><p>这篇文档详细讲解了<code>dubbo</code>的使用，基本涵盖<code>dubbo</code>的所有功能特性。</p>
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markdown-body" data-reactid="383"><p>这篇文档详细讲解了<code>dubbo</code>的使用，基本涵盖<code>dubbo</code>的所有功能特性。</p>
 <p>如果你正依赖<code>dubbo</code>作为你业务工程的RPC通信框架，这里可以作为你的参考手册</p>
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class="menu-item menu-item-level-3" data-reactid="210"><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->注册中心参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>Summary</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1980212662"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/zh-cn/docs/user/preface/background.html" target="_self" data-reactid="39">背景</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/zh-cn/docs/user/preface/requirements.html" target="_self" data-reactid="41">需求</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/zh-cn/docs/user/preface/architecture.html" target="_self" data-reactid="43">架构</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/zh-cn/docs/user/preface/usage.html" target="_self" data-reactid="45">用法</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="47">快速启动</a></li><li style="height:36px;overflow:hidden;" 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markdown-body" data-reactid="383"><h1>Summary</h1>
 <ul>
 <li><a href="./preface/index.md">1 入门</a>
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@@ -129,7 +129,7 @@
 <li><a href="./perf-test.md">17 性能测试报告</a></li>
 <li><a href="./coveragence.md">18 测试覆盖率报告</a></li>
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markdown-body" data-reactid="383"><h1>基准测试工具包</h1>
 <ul>
 <li>下载源码： git clone <a href="https://github.com/apache/incubator-dubbo.git">https://github.com/apache/incubator-dubbo.git</a></li>
 <li>编译benchmark: cd incubator-dubbo/dubbo-test/dubbo-test-benchmark; mvn clean install</li>
@@ -52,7 +52,7 @@
 </li>
 </ul>
 <p>如想测试dubbo的不同版本，直接替换lib下的dubbo的jar包即可。</p>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>服务化最佳实践</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-928052588"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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markdown-body" data-reactid="383"><h1>服务化最佳实践</h1>
 <h2>分包</h2>
 <p>建议将服务接口、服务模型、服务异常等均放在 API 包中，因为服务模型和异常也是 API 的一部分，这样做也符合分包原则：重用发布等价原则(REP)，共同重用原则(CRP)。</p>
 <p>如果需要，也可以考虑在 API 包中放置一份 Spring 的引用配置，这样使用方只需在 Spring 加载过程中引用此配置即可。配置建议放在模块的包目录下，以免冲突，如：<code>com/alibaba/china/xxx/dubbo-reference.xml</code>。</p>
@@ -44,7 +44,7 @@ <h2>异常</h2>
 <h2>调用</h2>
 <p>不要只是因为是 Dubbo 调用，而把调用 <code>try...catch</code> 起来。<code>try...catch</code> 应该加上合适的回滚边界上。</p>
 <p>Provider 端需要对输入参数进行校验。如有性能上的考虑，服务实现者可以考虑在 API 包上加上服务 Stub 类来完成检验。</p>
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markdown-body" data-reactid="383"><h1>容量规划</h1>
 <p>以下数据供参考：</p>
 <h2>使用 Dubbo 的会员服务项目</h2>
 <ul>
@@ -28,7 +28,7 @@ <h2>使用 Dubbo 的产品授权服务项目</h2>
 <li>平均负载在 1 以下（对于 8 核 CPU 负载很低）</li>
 <li>平均响应时间 1.4 到 2.8 毫秒，网络开销约占 1.0 到 1.1 毫秒（和数据包大小有关）</li>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>注解配置</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1457246520"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>注解配置</h1>
 <p>需要 <code>2.5.7</code> 及以上版本支持</p>
 <h2>服务提供方</h2>
 <h3><code>Service</code>注解暴露服务</h3>
@@ -99,7 +99,7 @@ <h2>注意</h2>
 <p>如果你曾使用旧版annotation配置，请删除所有相关配置，我们将在下个版本删除所有旧版配置项。</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:annotation</span> <span class="hljs-attr">package</span>=<span class="hljs-string">"com.alibaba.dubbo.test.service"</span> /&gt;</span> 
 </code></pre>
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index 49d653e052bf..91772ba660f4 100644
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markdown-body" data-reactid="383"><h1>API 配置</h1>
 <p>API 属性与配置项一对一，各属性含义，请参见：<a href="../references/xml/introduction.md">配置参考手册</a>，比如：<code>ApplicationConfig.setName(&quot;xxx&quot;)</code> 对应  <code>&lt;dubbo:application name=&quot;xxx&quot; /&gt;</code> <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>服务提供者</h2>
 <pre><code class="language-java"><span class="hljs-keyword">import</span> com.alibaba.dubbo.rpc.config.ApplicationConfig;
@@ -123,7 +123,7 @@ <h3>点对点直连</h3>
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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>属性配置</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1462263665"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_self" data-reactid="75">负载均衡</a></li><li class="menu-item menu-item-level-3" data-reactid="76"><a href="/zh-cn/docs/user/demos/thread-model.html" target="_self" data-reactid="77">线程模型</a></li><li class="menu-item menu-item-level-3" data-reactid="78"><a href="/zh-cn/docs/user/demos/explicit-target.html" target="_self" data-reactid="79">直连提供者</a></li><li class="menu-item menu-item-level-3" data-reactid="80"><a href="/zh-cn/docs/user/demos/subscribe-only.html" target="_self" data-reactid="81">只订阅</a></li><li class="menu-item menu-item-level-3" data-reactid="82"><a href="/zh-cn/docs/user/demos/registry-only.html" target="_self" data-reactid="83">只注册</a></li><li class="menu-item menu-item-level-3" data-reactid="84"><a href="/zh-cn/docs/user/demos/static-service.html" target="_self" data-reactid="85">静态服务</a></li><li class="menu-item menu-item-level-3" data-reactid="86"><a href="/zh-cn/docs/user/demos/multi-protocols.html" target="_self" data-reactid="87">多协议</a></li><li class="menu-item menu-item-level-3" data-reactid="88"><a href="/zh-cn/docs/user/demos/multi-registry.html" target="_self" data-reactid="89">多注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="90"><a href="/zh-cn/docs/user/demos/service-group.html" target="_self" data-reactid="91">服务分组</a></li><li class="menu-item menu-item-level-3" data-reactid="92"><a href="/zh-cn/docs/user/demos/multi-versions.html" target="_self" data-reactid="93">多版本</a></li><li class="menu-item menu-item-level-3" data-reactid="94"><a href="/zh-cn/docs/user/demos/group-merger.html" target="_self" data-reactid="95">分组聚合</a></li><li class="menu-item menu-item-level-3" data-reactid="96"><a href="/zh-cn/docs/user/demos/parameter-validation.html" target="_self" data-reactid="97">参数验证</a></li><li class="menu-item menu-item-level-3" data-reactid="98"><a href="/zh-cn/docs/user/demos/result-cache.html" target="_self" data-reactid="99">结果缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="100"><a href="/zh-cn/docs/user/demos/generic-reference.html" target="_self" data-reactid="101">泛化引用</a></li><li class="menu-item menu-item-level-3" data-reactid="102"><a href="/zh-cn/docs/user/demos/generic-service.html" target="_self" data-reactid="103">泛化实现</a></li><li class="menu-item menu-item-level-3" data-reactid="104"><a href="/zh-cn/docs/user/demos/echo-service.html" target="_self" data-reactid="105">回声测试</a></li><li class="menu-item menu-item-level-3" data-reactid="106"><a href="/zh-cn/docs/user/demos/context.html" target="_self" data-reactid="107">上下文信息</a></li><li class="menu-item menu-item-level-3" data-reactid="108"><a href="/zh-cn/docs/user/demos/attachment.html" target="_self" data-reactid="109">隐式参数</a></li><li class="menu-item menu-item-level-3" data-reactid="110"><a href="/zh-cn/docs/user/demos/async-call.html" target="_self" data-reactid="111">异步调用</a></li><li class="menu-item menu-item-level-3" data-reactid="112"><a href="/zh-cn/docs/user/demos/local-call.html" 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data-reactid="125">并发控制</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/zh-cn/docs/user/demos/config-connections.html" target="_self" data-reactid="127">连接控制</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/zh-cn/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">延迟连接</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/zh-cn/docs/user/demos/stickiness.html" target="_self" data-reactid="131">粘滞连接</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/zh-cn/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">令牌验证</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/zh-cn/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">路由规则</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/zh-cn/docs/user/demos/config-rule.html" target="_self" data-reactid="137">配置规则</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->schema配置参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/zh-cn/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/zh-cn/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/zh-cn/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/zh-cn/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/zh-cn/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/zh-cn/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/zh-cn/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/zh-cn/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/zh-cn/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a 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markdown-body" data-reactid="383"><h1>属性配置</h1>
 <p>如果公共配置很简单，没有多注册中心，多协议等情况，或者想多个 Spring 容器想共享配置，可以使用 dubbo.properties 作为缺省配置。</p>
 <p>Dubbo 将自动加载 classpath 根目录下的 dubbo.properties，可以通过JVM启动参数 <code>-Ddubbo.properties.file=xxx.properties</code> 改变缺省配置位置。<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>映射规则</h2>
@@ -45,7 +45,7 @@ <h2>覆盖策略</h2>
 </li>
 </ol>
 </section>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>XML 配置</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-561680009"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" 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markdown-body" data-reactid="383"><h1>XML 配置</h1>
 <p>有关 XML 的详细配置项，请参见：<a href="../references/xml/introduction.md">配置参考手册</a>。如果不想使用 Spring 配置，而希望通过 API 的方式进行调用，请参见：<a href="./api.md">API配置</a>。想知道如何使用配置，请参见：<a href="../quick-start.md">快速启动</a>。</p>
 <h2>provider.xml 示例</h2>
 <pre><code class="language-xml"><span class="php"><span class="hljs-meta">&lt;?</span>xml version=<span class="hljs-string">"1.0"</span> encoding=<span class="hljs-string">"UTF-8"</span><span class="hljs-meta">?&gt;</span></span>
@@ -128,7 +128,7 @@ <h2>配置覆盖关系</h2>
 </li>
 </ol>
 </section>
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index cbab5e2de55d..b7e3df5eae63 100644
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 <p>基于 <code>2.0.12</code> 版本，统计于 2012-02-03</p>
 <p><img src="sources/images/code-quality1.jpg" alt="/sources/images/code-quality1.jpg"></p>
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href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>访问日志</h1>
 <p>如果你想记录每一次请求信息，可开启访问日志，类似于apache的访问日志。<strong>注意</strong>：此日志量比较大，请注意磁盘容量。</p>
 <p>将访问日志输出到当前应用的log4j日志：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">accesslog</span>=<span class="hljs-string">"true"</span> /&gt;</span>
@@ -20,7 +20,7 @@
 <p>将访问日志输出到指定文件：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">accesslog</span>=<span class="hljs-string">"http://10.20.160.198/wiki/display/dubbo/foo/bar.log"</span> /&gt;</span>
 </code></pre>
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diff --git a/zh-cn/docs/user/demos/async-call.html b/zh-cn/docs/user/demos/async-call.html
index eaa6c530c408..099fb321e37d 100644
--- a/zh-cn/docs/user/demos/async-call.html
+++ b/zh-cn/docs/user/demos/async-call.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item 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markdown-body" data-reactid="383"><h1>异步调用</h1>
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markdown-body" data-reactid="383"><h1>异步调用</h1>
 <p>基于 NIO 的非阻塞实现并行调用，客户端不需要启动多线程即可完成并行调用多个远程服务，相对多线程开销较小。 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p><img src="../sources/images/future.jpg" alt="/user-guide/images/future.jpg"></p>
 <p>在 consumer.xml 中配置：</p>
@@ -62,7 +62,7 @@
 </li>
 </ol>
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diff --git a/zh-cn/docs/user/demos/attachment.html b/zh-cn/docs/user/demos/attachment.html
index 6a8eb8758ae0..f9c4199276c3 100644
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markdown-body" data-reactid="383"><h1>隐式参数</h1>
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markdown-body" data-reactid="383"><h1>隐式参数</h1>
 <p>可以通过 <code>RpcContext</code> 上的 <code>setAttachment</code> 和 <code>getAttachment</code> 在服务消费方和提供方之间进行参数的隐式传递。 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <p><img src="../sources/images/context.png" alt="/user-guide/images/context.png"></p>
 <h4>在服务消费方端设置隐式参数</h4>
@@ -37,7 +37,7 @@ <h4>在服务提供方端获取隐式参数</h4>
 </li>
 </ol>
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diff --git a/zh-cn/docs/user/demos/callback-parameter.html b/zh-cn/docs/user/demos/callback-parameter.html
index c6a31efa5876..2750c31045c9 100644
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item 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href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>参数回调</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1460963000"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>参数回调</h1>
 <p>参数回调方式与调用本地 callback 或 listener 相同，只需要在 Spring 的配置文件中声明哪个参数是 callback 类型即可。Dubbo 将基于长连接生成反向代理，这样就可以从服务器端调用客户端逻辑 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。可以参考 <a href="https://github.com/apache/incubator-dubbo/tree/master/dubbo-test/dubbo-test-examples/src/main/java/com/alibaba/dubbo/examples/callback">dubbo 项目中的示例代码</a>。</p>
 <h4>服务接口示例</h4>
 <h6>CallbackService.java</h6>
@@ -109,7 +109,7 @@ <h4>服务消费者调用示例</h4>
 </li>
 </ol>
 </section>
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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li 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href="/zh-cn/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/zh-cn/docs/user/references/xml/dubbo-method.html" target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/zh-cn/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/zh-cn/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->协议参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item 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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>并发控制</h1>
 <h2>配置样例</h2>
 <h3>样例 1</h3>
 <p>限制 <code>com.foo.BarService</code> 的每个方法，服务器端并发执行（或占用线程池线程数）不能超过 10 个：</p>
@@ -50,7 +50,7 @@ <h2>Load Balance 均衡</h2>
 <p>或</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.BarService"</span> <span class="hljs-attr">loadbalance</span>=<span class="hljs-string">"leastactive"</span> /&gt;</span>
 </code></pre>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>连接控制</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1754967260"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>连接控制</h1>
 <h2>服务端连接控制</h2>
 <p>限制服务器端接受的连接不能超过 10 个 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:provider</span> <span class="hljs-attr">protocol</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">accepts</span>=<span class="hljs-string">"10"</span> /&gt;</span>
@@ -37,7 +37,7 @@ <h2>客户端连接控制</h2>
 </li>
 </ol>
 </section>
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diff --git a/zh-cn/docs/user/demos/config-rule.html b/zh-cn/docs/user/demos/config-rule.html
index 5a1905fedd6a..e4d46cd0366b 100644
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 <body>
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markdown-body" data-reactid="383"><h1>配置规则</h1>
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markdown-body" data-reactid="383"><h1>配置规则</h1>
 <p>向注册中心写入动态配置覆盖规则 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。该功能通常由监控中心或治理中心的页面完成。</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
 Registry registry = registryFactory.getRegistry(URL.valueOf(<span class="hljs-string">"zookeeper://10.20.153.10:2181"</span>));
@@ -59,7 +59,7 @@
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>上下文信息</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1821392802"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>上下文信息</h1>
 <p>上下文中存放的是当前调用过程中所需的环境信息。所有配置信息都将转换为 URL 的参数，参见 <a href="../references/xml/introduction.md">schema 配置参考手册</a> 中的<strong>对应URL参数</strong>一列。</p>
 <p>RpcContext 是一个 ThreadLocal 的临时状态记录器，当接收到 RPC 请求，或发起 RPC 请求时，RpcContext 的状态都会变化。比如：A 调 B，B 再调 C，则 B 机器上，在 B 调 C 之前，RpcContext 记录的是 A 调 B 的信息，在 B 调 C 之后，RpcContext 记录的是 B 调 C 的信息。</p>
 <h2>服务消费方</h2>
@@ -44,7 +44,7 @@ <h2>服务提供方</h2>
     } 
 }
 </code></pre>
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index 86feea9c24ab..2e12235dac96 100644
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markdown-body" data-reactid="383"><h1>延迟暴露</h1>
 <p>如果你的服务需要预热时间，比如初始化缓存，等待相关资源就位等，可以使用 delay 进行延迟暴露。</p>
 <h2>延迟 5 秒暴露服务</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">delay</span>=<span class="hljs-string">"5000"</span> /&gt;</span>
@@ -49,7 +49,7 @@ <h4>规避办法</h4>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>分布式事务</h1>
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markdown-body" data-reactid="383"><h1>分布式事务</h1>
 <p>分布式事务基于 JTA/XA 规范实现 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <p>两阶段提交：</p>
 <p><img src="../sources/images/jta-xa.jpg" alt="/user-guide/images/jta-xa.jpg"></p>
@@ -23,7 +23,7 @@
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markdown-body" data-reactid="383"><p>当业务线程池满时，我们需要知道线程都在等待哪些资源、条件，以找到系统的瓶颈点或异常点。dubbo通过Jstack自动导出线程堆栈来保留现场，方便排查问题</p>
 <p>默认策略:</p>
 <ul>
 <li>导出路径，user.home标识的用户主目录</li>
@@ -26,7 +26,7 @@
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:parameter</span> <span class="hljs-attr">key</span>=<span class="hljs-string">"dump.directory"</span> <span class="hljs-attr">value</span>=<span class="hljs-string">"/tmp"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:application</span>&gt;</span>
 </code></pre>
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markdown-body" data-reactid="383"><h1>回声测试</h1>
 <p>回声测试用于检测服务是否可用，回声测试按照正常请求流程执行，能够测试整个调用是否通畅，可用于监控。</p>
 <p>所有服务自动实现 <code>EchoService</code> 接口，只需将任意服务引用强制转型为 <code>EchoService</code>，即可使用。</p>
 <p>Spring 配置：</p>
@@ -29,7 +29,7 @@
  
 <span class="hljs-keyword">assert</span>(status.equals(<span class="hljs-string">"OK"</span>));
 </code></pre>
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index 77abea0e48e4..fe98a7e6be6a 100644
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markdown-body" data-reactid="383"><h1>事件通知</h1>
 <p>在调用之前、调用之后、出现异常时，会触发 <code>oninvoke</code>、<code>onreturn</code>、<code>onthrow</code> 三个事件，可以配置当事件发生时，通知哪个类的哪个方法 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <h4>服务提供者与消费者共享服务接口</h4>
 <pre><code class="language-java"><span class="hljs-class"><span class="hljs-keyword">interface</span> <span class="hljs-title">IDemoService</span> </span>{
@@ -92,7 +92,7 @@ <h4>测试代码</h4>
 </li>
 </ol>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>直连提供者</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-2129462169"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>直连提供者</h1>
 <p>在开发及测试环境下，经常需要绕过注册中心，只测试指定服务提供者，这时候可能需要点对点直连，点对点直连方式，将以服务接口为单位，忽略注册中心的提供者列表，A 接口配置点对点，不影响 B 接口从注册中心获取列表。</p>
 <p><img src="../sources/images/dubbo-directly.jpg" alt="/user-guide/images/dubbo-directly.jpg"></p>
 <h2>通过 XML 配置</h2>
@@ -42,7 +42,7 @@ <h2>通过文件映射</h2>
 </li>
 </ol>
 </section>
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index 23cb4308821d..15e3e3f26a2a 100644
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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>集群容错</h1>
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href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" 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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li 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markdown-body" data-reactid="383"><h1>集群容错</h1>
 <p>在集群调用失败时，Dubbo 提供了多种容错方案，缺省为 failover 重试。</p>
 <p><img src="../sources/images/cluster.jpg" alt="cluster"></p>
 <p>各节点关系：</p>
@@ -64,7 +64,7 @@ <h2>集群模式配置</h2>
 </li>
 </ol>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a 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markdown-body" data-reactid="383"><h1>使用泛化调用</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-433989857"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>使用泛化调用</h1>
 <p>泛化接口调用方式主要用于客户端没有 API 接口及模型类元的情况，参数及返回值中的所有 POJO 均用 <code>Map</code> 表示，通常用于框架集成，比如：实现一个通用的服务测试框架，可通过 <code>GenericService</code> 调用所有服务实现。</p>
 <h2>通过 Spring 使用泛化调用</h2>
 <p>在 Spring 配置申明 <code>generic=&quot;true&quot;</code>：</p>
@@ -88,7 +88,7 @@ <h2>有关泛化类型的进一步解释</h2>
 map.put(<span class="hljs-string">"name"</span>, <span class="hljs-string">"xxx"</span>); 
 map.put(<span class="hljs-string">"password"</span>, <span class="hljs-string">"yyy"</span>);
 </code></pre>
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index f112c62d9d0e..fb5326d5ed3f 100644
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markdown-body" data-reactid="383"><h1>实现泛化调用</h1>
 <p>泛接口实现方式主要用于服务器端没有API接口及模型类元的情况，参数及返回值中的所有POJO均用Map表示，通常用于框架集成，比如：实现一个通用的远程服务Mock框架，可通过实现GenericService接口处理所有服务请求。</p>
 <p>在 Java 代码中实现 <code>GenericService</code> 接口：</p>
 <pre><code class="language-java"><span class="hljs-keyword">package</span> com.foo;
@@ -46,7 +46,7 @@ <h2>通过 API 方式暴露泛化实现</h2>
 <span class="hljs-comment">// 暴露及注册服务 </span>
 service.export();
 </code></pre>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>优雅停机</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1972186802"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>优雅停机</h1>
 <p>Dubbo 是通过 JDK 的 ShutdownHook 来完成优雅停机的，所以如果用户使用 <code>kill -9 PID</code> 等强制关闭指令，是不会执行优雅停机的，只有通过 <code>kill PID</code> 时，才会执行。</p>
 <h2>原理</h2>
 <h3>服务提供方</h3>
@@ -33,7 +33,7 @@ <h2>设置方式</h2>
 <p>如果 ShutdownHook 不能生效，可以自行调用，<strong>使用tomcat等容器部署的場景，建议通过扩展ContextListener等自行调用以下代码实现优雅停机</strong>：</p>
 <pre><code class="language-java">ProtocolConfig.destroyAll();
 </code></pre>
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diff --git a/zh-cn/docs/user/demos/group-merger.html b/zh-cn/docs/user/demos/group-merger.html
index 1485fb20d310..dc55284db784 100644
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+++ b/zh-cn/docs/user/demos/group-merger.html
@@ -12,7 +12,7 @@
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 <body>
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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>分组聚合</h1>
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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li 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markdown-body" data-reactid="383"><h1>分组聚合</h1>
 <p>按组合并返回结果 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>，比如菜单服务，接口一样，但有多种实现，用group区分，现在消费方需从每种group中调用一次返回结果，合并结果返回，这样就可以实现聚合菜单项。</p>
 <p>相关代码可以参考 <a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-merge">dubbo 项目中的示例</a></p>
 <h2>配置</h2>
@@ -51,7 +51,7 @@ <h2>配置</h2>
 </li>
 </ol>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>主机绑定</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="57279555"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img 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markdown-body" data-reactid="383"><h1>主机绑定</h1>
 <h2>查找顺序</h2>
 <p>缺省主机 IP 查找顺序：</p>
 <ul>
@@ -91,7 +91,7 @@ <h2>端口配置</h2>
 </code></pre>
 </li>
 </ol>
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diff --git a/zh-cn/docs/user/demos/index.html b/zh-cn/docs/user/demos/index.html
index 0fca09b6bb18..b8e894c69978 100644
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@@ -12,8 +12,8 @@
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 </head>
 <body>
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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item 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markdown-body" data-reactid="383"><h1>示例</h1>
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markdown-body" data-reactid="383"><h1>延迟连接</h1>
 <p>延迟连接用于减少长连接数。当有调用发起时，再创建长连接。<sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">lazy</span>=<span class="hljs-string">"true"</span> /&gt;</span>
 </code></pre>
@@ -23,7 +23,7 @@
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href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>负载均衡</h1>
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markdown-body" data-reactid="383"><h1>负载均衡</h1>
 <p>在集群负载均衡时，Dubbo 提供了多种均衡策略，缺省为 <code>random</code> 随机调用。</p>
 <p>可以自行扩展负载均衡策略，参见：<a href="../../dev/impls/load-balance.md">负载均衡扩展</a></p>
 <h2>负载均衡策略</h2>
@@ -56,7 +56,7 @@ <h3>客户端方法级别</h3>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"..."</span> <span class="hljs-attr">loadbalance</span>=<span class="hljs-string">"roundrobin"</span>/&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:reference</span>&gt;</span>
 </code></pre>
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diff --git a/zh-cn/docs/user/demos/local-call.html b/zh-cn/docs/user/demos/local-call.html
index d3ab965663da..a3e40bad4795 100644
--- a/zh-cn/docs/user/demos/local-call.html
+++ b/zh-cn/docs/user/demos/local-call.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>本地调用</h1>
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markdown-body" data-reactid="383"><h1>本地调用</h1>
 <p>本地调用使用了 injvm 协议，是一个伪协议，它不开启端口，不发起远程调用，只在 JVM 内直接关联，但执行 Dubbo 的 Filter 链。</p>
 <h2>配置</h2>
 <p>定义 injvm 协议</p>
@@ -37,7 +37,7 @@ <h2>自动暴露、引用本地服务</h2>
 <p>从 <code>2.2.0</code> 开始，每个服务默认都会在本地暴露。在引用服务的时候，默认优先引用本地服务。如果希望引用远程服务可以使用一下配置强制引用远程服务。</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">...</span> <span class="hljs-attr">scope</span>=<span class="hljs-string">"remote"</span> /&gt;</span>
 </code></pre>
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index 5934c17101fe..4f100f60ae2b 100644
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markdown-body" data-reactid="383"><h1>本地伪装</h1>
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markdown-body" data-reactid="383"><h1>本地伪装</h1>
 <p>本地伪装 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 通常用于服务降级，比如某验权服务，当服务提供方全部挂掉后，客户端不抛出异常，而是通过 Mock 数据返回授权失败。</p>
 <p>在 spring 配置文件中按以下方式配置：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:reference</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.foo.BarService"</span> <span class="hljs-attr">mock</span>=<span class="hljs-string">"true"</span> /&gt;</span>
@@ -49,7 +49,7 @@
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index f13abb718ed3..6731c3228e73 100644
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item 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href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>本地存根</h1>
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markdown-body" data-reactid="383"><h1>本地存根</h1>
 <p>远程服务后，客户端通常只剩下接口，而实现全在服务器端，但提供方有些时候想在客户端也执行部分逻辑，比如：做 ThreadLocal 缓存，提前验证参数，调用失败后伪造容错数据等等，此时就需要在 API 中带上 Stub，客户端生成 Proxy 实例，会把 Proxy 通过构造函数传给 Stub <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>，然后把 Stub 暴露给用户，Stub 可以决定要不要去调 Proxy。</p>
 <p><img src="../sources/images/stub.jpg" alt="/user-guide/images/stub.jpg"></p>
 <p>在 spring 配置文件中按以下方式配置：</p>
@@ -51,7 +51,7 @@
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diff --git a/zh-cn/docs/user/demos/logger-strategy.html b/zh-cn/docs/user/demos/logger-strategy.html
index 96ee315f9414..c7c6a47ea879 100644
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 </head>
 <body>
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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" 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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>日志适配</h1>
 <p>自 <code>2.2.1</code> 开始，dubbo 开始内置 log4j、slf4j、jcl、jdk 这些日志框架的适配[1]，也可以通过以下方式显示配置日志输出策略：</p>
 <ol start="0">
 <li>
@@ -32,7 +32,7 @@
 </li>
 </ol>
 <p>[1]: 自定义扩展可以参考 <a href="http://dubbo.apache.org/books/dubbo-dev-book/impls/logger-adapter.html">日志适配扩展</a></p>
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+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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markdown-body" data-reactid="383"><h1>多协议</h1>
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markdown-body" data-reactid="383"><h1>多协议</h1>
 <p>Dubbo 允许配置多协议，在不同服务上支持不同协议或者同一服务上同时支持多种协议。</p>
 <h2>不同服务不同协议</h2>
 <p>不同服务在性能上适用不同协议进行传输，比如大数据用短连接协议，小数据大并发用长连接协议</p>
@@ -48,7 +48,7 @@ <h2>多协议暴露服务</h2>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"helloService"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.alibaba.hello.api.HelloService"</span> <span class="hljs-attr">version</span>=<span class="hljs-string">"1.0.0"</span> <span class="hljs-attr">protocol</span>=<span class="hljs-string">"dubbo,hessian"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">beans</span>&gt;</span>
 </code></pre>
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+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/docs/user/demos/multi-registry.html b/zh-cn/docs/user/demos/multi-registry.html
index 905279b23b18..c522b3c3b8f1 100644
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+++ b/zh-cn/docs/user/demos/multi-registry.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>多注册中心</h1>
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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" 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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" 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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>多注册中心</h1>
 <p>Dubbo 支持同一服务向多注册中心同时注册，或者不同服务分别注册到不同的注册中心上去，甚至可以同时引用注册在不同注册中心上的同名服务。另外，注册中心是支持自定义扩展的 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <h2>多注册中心注册</h2>
 <p>比如：中文站有些服务来不及在青岛部署，只在杭州部署，而青岛的其它应用需要引用此服务，就可以将服务同时注册到两个注册中心。</p>
@@ -83,7 +83,7 @@ <h2>多注册中心引用</h2>
 </li>
 </ol>
 </section>
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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a 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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>多版本</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-188766142"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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markdown-body" data-reactid="383"><h1>多版本</h1>
 <p>当一个接口实现，出现不兼容升级时，可以用版本号过渡，版本号不同的服务相互间不引用。</p>
 <p>可以按照以下的步骤进行版本迁移：</p>
 <ol start="0">
@@ -42,7 +42,7 @@
 </li>
 </ol>
 </section>
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href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><p>dubbo 2.5.6版本新增了对netty4通信模块的支持，启用方式如下</p>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1123783700"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="36"/></span><ul data-reactid="37"><li class="menu-item menu-item-level-3" data-reactid="38"><a href="/zh-cn/docs/user/preface/background.html" target="_self" data-reactid="39">背景</a></li><li class="menu-item menu-item-level-3" data-reactid="40"><a href="/zh-cn/docs/user/preface/requirements.html" target="_self" data-reactid="41">需求</a></li><li class="menu-item menu-item-level-3" data-reactid="42"><a href="/zh-cn/docs/user/preface/architecture.html" target="_self" data-reactid="43">架构</a></li><li class="menu-item menu-item-level-3" data-reactid="44"><a href="/zh-cn/docs/user/preface/usage.html" target="_self" data-reactid="45">用法</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="46"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="47">快速启动</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_self" data-reactid="75">负载均衡</a></li><li class="menu-item menu-item-level-3" data-reactid="76"><a href="/zh-cn/docs/user/demos/thread-model.html" target="_self" data-reactid="77">线程模型</a></li><li class="menu-item menu-item-level-3" data-reactid="78"><a href="/zh-cn/docs/user/demos/explicit-target.html" target="_self" data-reactid="79">直连提供者</a></li><li class="menu-item menu-item-level-3" data-reactid="80"><a href="/zh-cn/docs/user/demos/subscribe-only.html" target="_self" data-reactid="81">只订阅</a></li><li class="menu-item menu-item-level-3" data-reactid="82"><a href="/zh-cn/docs/user/demos/registry-only.html" target="_self" data-reactid="83">只注册</a></li><li class="menu-item menu-item-level-3" data-reactid="84"><a href="/zh-cn/docs/user/demos/static-service.html" target="_self" data-reactid="85">静态服务</a></li><li class="menu-item menu-item-level-3" data-reactid="86"><a href="/zh-cn/docs/user/demos/multi-protocols.html" target="_self" data-reactid="87">多协议</a></li><li class="menu-item menu-item-level-3" data-reactid="88"><a href="/zh-cn/docs/user/demos/multi-registry.html" target="_self" data-reactid="89">多注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="90"><a href="/zh-cn/docs/user/demos/service-group.html" target="_self" data-reactid="91">服务分组</a></li><li class="menu-item menu-item-level-3" data-reactid="92"><a href="/zh-cn/docs/user/demos/multi-versions.html" target="_self" data-reactid="93">多版本</a></li><li class="menu-item menu-item-level-3" data-reactid="94"><a href="/zh-cn/docs/user/demos/group-merger.html" target="_self" data-reactid="95">分组聚合</a></li><li class="menu-item menu-item-level-3" data-reactid="96"><a href="/zh-cn/docs/user/demos/parameter-validation.html" target="_self" data-reactid="97">参数验证</a></li><li class="menu-item menu-item-level-3" data-reactid="98"><a href="/zh-cn/docs/user/demos/result-cache.html" target="_self" data-reactid="99">结果缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="100"><a href="/zh-cn/docs/user/demos/generic-reference.html" target="_self" data-reactid="101">泛化引用</a></li><li class="menu-item menu-item-level-3" data-reactid="102"><a href="/zh-cn/docs/user/demos/generic-service.html" target="_self" data-reactid="103">泛化实现</a></li><li class="menu-item menu-item-level-3" data-reactid="104"><a href="/zh-cn/docs/user/demos/echo-service.html" target="_self" data-reactid="105">回声测试</a></li><li class="menu-item menu-item-level-3" data-reactid="106"><a href="/zh-cn/docs/user/demos/context.html" target="_self" data-reactid="107">上下文信息</a></li><li class="menu-item menu-item-level-3" data-reactid="108"><a href="/zh-cn/docs/user/demos/attachment.html" target="_self" data-reactid="109">隐式参数</a></li><li class="menu-item menu-item-level-3" data-reactid="110"><a href="/zh-cn/docs/user/demos/async-call.html" target="_self" data-reactid="111">异步调用</a></li><li class="menu-item menu-item-level-3" data-reactid="112"><a href="/zh-cn/docs/user/demos/local-call.html" target="_self" data-reactid="113">本地调用</a></li><li class="menu-item menu-item-level-3" data-reactid="114"><a href="/zh-cn/docs/user/demos/callback-parameter.html" target="_self" data-reactid="115">参数回调</a></li><li class="menu-item menu-item-level-3" data-reactid="116"><a href="/zh-cn/docs/user/demos/events-notify.html" target="_self" data-reactid="117">事件通知</a></li><li class="menu-item menu-item-level-3" data-reactid="118"><a href="/zh-cn/docs/user/demos/local-stub.html" target="_self" data-reactid="119">本地存根</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/zh-cn/docs/user/demos/local-mock.html" target="_self" data-reactid="121">本地伪装</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/zh-cn/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">延迟暴露</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/zh-cn/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">并发控制</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/zh-cn/docs/user/demos/config-connections.html" target="_self" data-reactid="127">连接控制</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/zh-cn/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">延迟连接</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/zh-cn/docs/user/demos/stickiness.html" target="_self" data-reactid="131">粘滞连接</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/zh-cn/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">令牌验证</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/zh-cn/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">路由规则</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/zh-cn/docs/user/demos/config-rule.html" target="_self" data-reactid="137">配置规则</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->schema配置参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/zh-cn/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/zh-cn/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/zh-cn/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/zh-cn/docs/user/references/xml/dubbo-protocol.html" target="_self" 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markdown-body" data-reactid="383"><p>dubbo 2.5.6版本新增了对netty4通信模块的支持，启用方式如下</p>
 <p>provider端：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">server</span>=<span class="hljs-string">"netty4"</span> /&gt;</span>
 </code></pre>
@@ -44,7 +44,7 @@
 <li>性能测试指标及与netty3版本的性能测试对比，我们会提供一份参考数据</li>
 </ol>
 </blockquote>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>参数验证</h1>
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markdown-body" data-reactid="383"><h1>参数验证</h1>
 <p>参数验证功能 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 是基于 <a href="https://jcp.org/en/jsr/detail?id=303">JSR303</a> 实现的，用户只需标识 JSR303 标准的验证 annotation，并通过声明 filter 来实现验证 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>Maven 依赖</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
@@ -174,7 +174,7 @@ <h2>验证异常信息</h2>
 </li>
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href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>启动时检查</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1753825676"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_self" data-reactid="75">负载均衡</a></li><li class="menu-item menu-item-level-3" data-reactid="76"><a href="/zh-cn/docs/user/demos/thread-model.html" target="_self" data-reactid="77">线程模型</a></li><li class="menu-item menu-item-level-3" data-reactid="78"><a href="/zh-cn/docs/user/demos/explicit-target.html" target="_self" data-reactid="79">直连提供者</a></li><li class="menu-item menu-item-level-3" data-reactid="80"><a href="/zh-cn/docs/user/demos/subscribe-only.html" target="_self" data-reactid="81">只订阅</a></li><li class="menu-item menu-item-level-3" data-reactid="82"><a href="/zh-cn/docs/user/demos/registry-only.html" target="_self" data-reactid="83">只注册</a></li><li class="menu-item menu-item-level-3" data-reactid="84"><a href="/zh-cn/docs/user/demos/static-service.html" target="_self" data-reactid="85">静态服务</a></li><li class="menu-item menu-item-level-3" data-reactid="86"><a href="/zh-cn/docs/user/demos/multi-protocols.html" target="_self" data-reactid="87">多协议</a></li><li 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href="/zh-cn/docs/user/demos/generic-reference.html" target="_self" data-reactid="101">泛化引用</a></li><li class="menu-item menu-item-level-3" data-reactid="102"><a href="/zh-cn/docs/user/demos/generic-service.html" target="_self" data-reactid="103">泛化实现</a></li><li class="menu-item menu-item-level-3" data-reactid="104"><a href="/zh-cn/docs/user/demos/echo-service.html" target="_self" data-reactid="105">回声测试</a></li><li class="menu-item menu-item-level-3" data-reactid="106"><a href="/zh-cn/docs/user/demos/context.html" target="_self" data-reactid="107">上下文信息</a></li><li class="menu-item menu-item-level-3" data-reactid="108"><a href="/zh-cn/docs/user/demos/attachment.html" target="_self" data-reactid="109">隐式参数</a></li><li class="menu-item menu-item-level-3" data-reactid="110"><a href="/zh-cn/docs/user/demos/async-call.html" target="_self" data-reactid="111">异步调用</a></li><li class="menu-item menu-item-level-3" data-reactid="112"><a href="/zh-cn/docs/user/demos/local-call.html" 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data-reactid="125">并发控制</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/zh-cn/docs/user/demos/config-connections.html" target="_self" data-reactid="127">连接控制</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/zh-cn/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">延迟连接</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/zh-cn/docs/user/demos/stickiness.html" target="_self" data-reactid="131">粘滞连接</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/zh-cn/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">令牌验证</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/zh-cn/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">路由规则</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/zh-cn/docs/user/demos/config-rule.html" target="_self" data-reactid="137">配置规则</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->schema配置参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/zh-cn/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/zh-cn/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/zh-cn/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/zh-cn/docs/user/references/xml/dubbo-protocol.html" target="_self" 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markdown-body" data-reactid="383"><h1>启动时检查</h1>
 <p>Dubbo 缺省会在启动时检查依赖的服务是否可用，不可用时会抛出异常，阻止 Spring 初始化完成，以便上线时，能及早发现问题，默认  <code>check=&quot;true&quot;</code>。</p>
 <p>可以通过 <code>check=&quot;false&quot;</code> 关闭检查，比如，测试时，有些服务不关心，或者出现了循环依赖，必须有一方先启动。</p>
 <p>另外，如果你的 Spring 容器是懒加载的，或者通过 API 编程延迟引用服务，请关闭 check，否则服务临时不可用时，会抛出异常，拿到 null 引用，如果 <code>check=&quot;false&quot;</code>，总是会返回引用，当服务恢复时，能自动连上。</p>
@@ -43,7 +43,7 @@ <h2>配置的含义</h2>
 <p><code>dubbo.reference.check=false</code>，强制改变所有 reference 的 check 值，就算配置中有声明，也会被覆盖。</p>
 <p><code>dubbo.consumer.check=false</code>，是设置 check 的缺省值，如果配置中有显式的声明，如：<code>&lt;dubbo:reference check=&quot;true&quot;/&gt;</code>，不会受影响。</p>
 <p><code>dubbo.registry.check=false</code>，前面两个都是指订阅成功，但提供者列表是否为空是否报错，如果注册订阅失败时，也允许启动，需使用此选项，将在后台定时重试。</p>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>ReferenceConfig 缓存</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="352285028"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img 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markdown-body" data-reactid="383"><h1>ReferenceConfig 缓存</h1>
 <p><code>ReferenceConfig</code> 实例很重，封装了与注册中心的连接以及与提供者的连接，需要缓存。否则重复生成 <code>ReferenceConfig</code> 可能造成性能问题并且会有内存和连接泄漏。在 API 方式编程时，容易忽略此问题。</p>
 <p>因此，自 <code>2.4.0</code> 版本开始， dubbo 提供了简单的工具类 <code>ReferenceConfigCache</code>用于缓存 <code>ReferenceConfig</code> 实例。</p>
 <p>使用方式如下：</p>
@@ -36,7 +36,7 @@
 <pre><code class="language-java">KeyGenerator keyGenerator = <span class="hljs-keyword">new</span> ...
 ReferenceConfigCache cache = ReferenceConfigCache.getCache(keyGenerator );
 </code></pre>
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diff --git a/zh-cn/docs/user/demos/registry-only.html b/zh-cn/docs/user/demos/registry-only.html
index c7ed1fe9b3d8..102b0ee01ad1 100644
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+++ b/zh-cn/docs/user/demos/registry-only.html
@@ -12,7 +12,7 @@
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 </head>
 <body>
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href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>只注册</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1452583369"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_self" data-reactid="75">负载均衡</a></li><li class="menu-item menu-item-level-3" data-reactid="76"><a href="/zh-cn/docs/user/demos/thread-model.html" target="_self" data-reactid="77">线程模型</a></li><li class="menu-item menu-item-level-3" data-reactid="78"><a href="/zh-cn/docs/user/demos/explicit-target.html" target="_self" data-reactid="79">直连提供者</a></li><li class="menu-item menu-item-level-3" data-reactid="80"><a href="/zh-cn/docs/user/demos/subscribe-only.html" target="_self" data-reactid="81">只订阅</a></li><li class="menu-item menu-item-level-3" data-reactid="82"><a href="/zh-cn/docs/user/demos/registry-only.html" target="_self" data-reactid="83">只注册</a></li><li class="menu-item menu-item-level-3" data-reactid="84"><a href="/zh-cn/docs/user/demos/static-service.html" target="_self" data-reactid="85">静态服务</a></li><li class="menu-item menu-item-level-3" data-reactid="86"><a href="/zh-cn/docs/user/demos/multi-protocols.html" target="_self" data-reactid="87">多协议</a></li><li 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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->schema配置参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/zh-cn/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/zh-cn/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/zh-cn/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/zh-cn/docs/user/references/xml/dubbo-protocol.html" target="_self" 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markdown-body" data-reactid="383"><h1>只注册</h1>
 <p>如果有两个镜像环境，两个注册中心，有一个服务只在其中一个注册中心有部署，另一个注册中心还没来得及部署，而两个注册中心的其它应用都需要依赖此服务。这个时候，可以让服务提供者方只注册服务到另一注册中心，而不从另一注册中心订阅服务。</p>
 <p>禁用订阅配置</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"hzRegistry"</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.153.10:9090"</span> /&gt;</span>
@@ -22,7 +22,7 @@
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"hzRegistry"</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.153.10:9090"</span> /&gt;</span>
 <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"qdRegistry"</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.141.150:9090?subscribe=false"</span> /&gt;</span>
 </code></pre>
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href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>结果缓存</h1>
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markdown-body" data-reactid="383"><h1>结果缓存</h1>
 <p>结果缓存 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>，用于加速热门数据的访问速度，Dubbo 提供声明式缓存，以减少用户加缓存的工作量 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>缓存类型</h2>
 <ul>
@@ -38,7 +38,7 @@ <h2>配置</h2>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" data-reactid="396">Foundation</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" data-reactid="398">License</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" data-reactid="400">Events</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="402">Sponsorship</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="404">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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 <body>
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markdown-body" data-reactid="383"><h1>路由规则</h1>
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href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" 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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li 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markdown-body" data-reactid="383"><h1>路由规则</h1>
 <p>路由规则 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 决定一次 dubbo 服务调用的目标服务器，分为条件路由规则和脚本路由规则，并且支持可扩展 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>写入路由规则</h2>
 <p>向注册中心写入路由规则的操作通常由监控中心或治理中心的页面完成</p>
@@ -187,7 +187,7 @@ <h3>规则描述</h3>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>在Dubbo中使用高效的Java序列化（Kryo和FST）</h1>
 <h2>启用Kryo和FST</h2>
 <p>使用Kryo和FST非常简单，只需要在dubbo RPC的XML配置中添加一个属性即可：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">serialization</span>=<span class="hljs-string">"kryo"</span>/&gt;</span>
@@ -72,7 +72,7 @@ <h2>注册被序列化类</h2>
 double[]
 </code></pre>
 <p>由于注册被序列化的类仅仅是出于性能优化的目的，所以即使你忘记注册某些类也没有关系。事实上，即使不注册任何类，Kryo和FST的性能依然普遍优于hessian和dubbo序列化。</p>
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diff --git a/zh-cn/docs/user/demos/service-container.html b/zh-cn/docs/user/demos/service-container.html
index eabb31949d9f..2ab106bff712 100644
--- a/zh-cn/docs/user/demos/service-container.html
+++ b/zh-cn/docs/user/demos/service-container.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/documentation.css" />
 </head>
 <body>
-	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="249037465"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a 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markdown-body" data-reactid="383"><h1>服务容器</h1>
 <p>服务容器是一个 standalone 的启动程序，因为后台服务不需要 Tomcat 或 JBoss 等 Web 容器的功能，如果硬要用 Web 容器去加载服务提供方，增加复杂性，也浪费资源。</p>
 <p>服务容器只是一个简单的 Main 方法，并加载一个简单的 Spring 容器，用于暴露服务。</p>
 <p>服务容器的加载内容可以扩展，内置了 spring, jetty, log4j 等加载，可通过<a href="http://dubbo.apache.org/books/dubbo-dev-book/impls/container.html">容器扩展点</a>进行扩展。配置配在 java 命令的 -D 参数或者 <code>dubbo.properties</code> 中。</p>
@@ -63,7 +63,7 @@ <h2>容器启动</h2>
 <p>通过 classpath 下的 <code>dubbo.properties</code> 配置传入要加载的容器</p>
 <pre><code>dubbo.container=spring,jetty,log4j
 </code></pre>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>服务降级</h1>
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markdown-body" data-reactid="383"><h1>服务降级</h1>
 <p>可以通过服务降级功能 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 临时屏蔽某个出错的非关键服务，并定义降级后的返回策略。</p>
 <p>向注册中心写入动态配置覆盖规则：</p>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
@@ -31,7 +31,7 @@
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markdown-body" data-reactid="383"><h1>服务分组</h1>
 <p>当一个接口有多种实现时，可以用 group 区分。</p>
 <h2>服务</h2>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:service</span> <span class="hljs-attr">group</span>=<span class="hljs-string">"feedback"</span> <span class="hljs-attr">interface</span>=<span class="hljs-string">"com.xxx.IndexService"</span> /&gt;</span>
@@ -32,7 +32,7 @@ <h2>引用</h2>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h2>背景</h2>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-495181477"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h2>背景</h2>
 <p>在<code>dubbo</code>中,<code>provider</code>启动时主要做两个事情,一是启动server,二是向注册中心注册服务.启动server时需要绑定socket,向注册中心注册服务时也需要发送socket唯一标识服务地址.</p>
 <ol>
 <li><code>dubbo</code>中不设置<code>host</code>时默认<code>host</code>是什么?</li>
@@ -68,7 +68,7 @@ <h2>参考</h2>
 <li><a href="https://github.com/apache/incubator-dubbo/issues/2043">[Proposal]support hostname or domain in service discovery.</a></li>
 <li><a href="https://github.com/dubbo/dubbo-samples/tree/master/dubbo-samples-docker">dubbo通过环境变量设置host</a></li>
 </ol>
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diff --git a/zh-cn/docs/user/demos/static-service.html b/zh-cn/docs/user/demos/static-service.html
index 0c53869a271a..1aa896923fb8 100644
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@@ -12,7 +12,7 @@
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 </head>
 <body>
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markdown-body" data-reactid="383"><h1>静态服务</h1>
 <p>有时候希望人工管理服务提供者的上线和下线，此时需将注册中心标识为非动态管理模式。</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.141.150:9090"</span> <span class="hljs-attr">dynamic</span>=<span class="hljs-string">"false"</span> /&gt;</span>
 </code></pre>
@@ -32,7 +32,7 @@
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class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>粘滞连接</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1546886520"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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markdown-body" data-reactid="383"><h1>粘滞连接</h1>
 <p>粘滞连接用于有状态服务，尽可能让客户端总是向同一提供者发起调用，除非该提供者挂了，再连另一台。</p>
 <p>粘滞连接将自动开启<a href="./lazy-connect.md">延迟连接</a>，以减少长连接数。</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">sticky</span>=<span class="hljs-string">"true"</span> /&gt;</span>
 </code></pre>
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markdown-body" data-reactid="383"><h1>只订阅</h1>
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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>只订阅</h1>
 <p>为方便开发测试，经常会在线下共用一个所有服务可用的注册中心，这时，如果一个正在开发中的服务提供者注册，可能会影响消费者不能正常运行。</p>
 <p>可以让服务提供者开发方，只订阅服务(开发的服务可能依赖其它服务)，而不注册正在开发的服务，通过直连测试正在开发的服务。</p>
 <p><img src="../sources/images/subscribe-only.jpg" alt="/user-guide/images/subscribe-only.jpg"></p>
@@ -22,7 +22,7 @@
 <p>或者</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:registry</span> <span class="hljs-attr">address</span>=<span class="hljs-string">"10.20.153.10:9090?register=false"</span> /&gt;</span>
 </code></pre>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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markdown-body" data-reactid="383"><h1>线程模型</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="311503695"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img 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markdown-body" data-reactid="383"><h1>线程模型</h1>
 <p>如果事件处理的逻辑能迅速完成，并且不会发起新的 IO 请求，比如只是在内存中记个标识，则直接在 IO 线程上处理更快，因为减少了线程池调度。</p>
 <p>但如果事件处理逻辑较慢，或者需要发起新的 IO 请求，比如需要查询数据库，则必须派发到线程池，否则 IO 线程阻塞，将导致不能接收其它请求。</p>
 <p>如果用 IO 线程处理事件，又在事件处理过程中发起新的 IO 请求，比如在连接事件中发起登录请求，会报“可能引发死锁”异常，但不会真死锁。</p>
@@ -35,7 +35,7 @@
 <li><code>limited</code> 可伸缩线程池，但池中的线程数只会增长不会收缩。只增长不收缩的目的是为了避免收缩时突然来了大流量引起的性能问题。</li>
 <li><code>eager</code> 优先创建<code>Worker</code>线程池。在任务数量大于<code>corePoolSize</code>但是小于<code>maximumPoolSize</code>时，优先创建<code>Worker</code>来处理任务。当任务数量大于<code>maximumPoolSize</code>时，将任务放入阻塞队列中。阻塞队列充满时抛出<code>RejectedExecutionException</code>。(相比于<code>cached</code>:<code>cached</code>在任务数量超过<code>maximumPoolSize</code>时直接抛出异常而不是将任务放入阻塞队列)</li>
 </ul>
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diff --git a/zh-cn/docs/user/demos/token-authorization.html b/zh-cn/docs/user/demos/token-authorization.html
index 9347fa26930c..15ebf742795c 100644
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markdown-body" data-reactid="383"><h1>令牌验证</h1>
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data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li 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markdown-body" data-reactid="383"><h1>令牌验证</h1>
 <p>通过令牌验证在注册中心控制权限，以决定要不要下发令牌给消费者，可以防止消费者绕过注册中心访问提供者，另外通过注册中心可灵活改变授权方式，而不需修改或升级提供者</p>
 <p><img src="../sources/images/dubbo-token.jpg" alt="/user-guide/images/dubbo-token.jpg"></p>
 <p>可以全局设置开启令牌验证：</p>
@@ -39,7 +39,7 @@
 <pre><code class="language-xml"><span class="hljs-comment">&lt;!--固定token令牌，相当于密码--&gt;</span>
 <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"dubbo"</span> <span class="hljs-attr">token</span>=<span class="hljs-string">"123456"</span> /&gt;</span>
 </code></pre>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>依赖</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-411193310"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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markdown-body" data-reactid="383"><h1>依赖</h1>
 <h2>必须依赖</h2>
 <p>JDK 1.6+ <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>缺省依赖</h2>
@@ -74,7 +74,7 @@ <h2>可选依赖</h2>
 </li>
 </ol>
 </section>
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href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>成熟度</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1871933514"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" target="_self" data-reactid="75">负载均衡</a></li><li class="menu-item menu-item-level-3" data-reactid="76"><a href="/zh-cn/docs/user/demos/thread-model.html" target="_self" data-reactid="77">线程模型</a></li><li class="menu-item menu-item-level-3" data-reactid="78"><a href="/zh-cn/docs/user/demos/explicit-target.html" target="_self" data-reactid="79">直连提供者</a></li><li class="menu-item menu-item-level-3" data-reactid="80"><a href="/zh-cn/docs/user/demos/subscribe-only.html" target="_self" data-reactid="81">只订阅</a></li><li class="menu-item menu-item-level-3" data-reactid="82"><a href="/zh-cn/docs/user/demos/registry-only.html" target="_self" data-reactid="83">只注册</a></li><li class="menu-item menu-item-level-3" data-reactid="84"><a href="/zh-cn/docs/user/demos/static-service.html" target="_self" data-reactid="85">静态服务</a></li><li class="menu-item menu-item-level-3" data-reactid="86"><a href="/zh-cn/docs/user/demos/multi-protocols.html" target="_self" data-reactid="87">多协议</a></li><li 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target="_self" data-reactid="113">本地调用</a></li><li class="menu-item menu-item-level-3" data-reactid="114"><a href="/zh-cn/docs/user/demos/callback-parameter.html" target="_self" data-reactid="115">参数回调</a></li><li class="menu-item menu-item-level-3" data-reactid="116"><a href="/zh-cn/docs/user/demos/events-notify.html" target="_self" data-reactid="117">事件通知</a></li><li class="menu-item menu-item-level-3" data-reactid="118"><a href="/zh-cn/docs/user/demos/local-stub.html" target="_self" data-reactid="119">本地存根</a></li><li class="menu-item menu-item-level-3" data-reactid="120"><a href="/zh-cn/docs/user/demos/local-mock.html" target="_self" data-reactid="121">本地伪装</a></li><li class="menu-item menu-item-level-3" data-reactid="122"><a href="/zh-cn/docs/user/demos/delay-publish.html" target="_self" data-reactid="123">延迟暴露</a></li><li class="menu-item menu-item-level-3" data-reactid="124"><a href="/zh-cn/docs/user/demos/concurrency-control.html" target="_self" data-reactid="125">并发控制</a></li><li class="menu-item menu-item-level-3" data-reactid="126"><a href="/zh-cn/docs/user/demos/config-connections.html" target="_self" data-reactid="127">连接控制</a></li><li class="menu-item menu-item-level-3" data-reactid="128"><a href="/zh-cn/docs/user/demos/lazy-connect.html" target="_self" data-reactid="129">延迟连接</a></li><li class="menu-item menu-item-level-3" data-reactid="130"><a href="/zh-cn/docs/user/demos/stickiness.html" target="_self" data-reactid="131">粘滞连接</a></li><li class="menu-item menu-item-level-3" data-reactid="132"><a href="/zh-cn/docs/user/demos/token-authorization.html" target="_self" data-reactid="133">令牌验证</a></li><li class="menu-item menu-item-level-3" data-reactid="134"><a href="/zh-cn/docs/user/demos/routing-rule.html" target="_self" data-reactid="135">路由规则</a></li><li class="menu-item menu-item-level-3" data-reactid="136"><a href="/zh-cn/docs/user/demos/config-rule.html" target="_self" data-reactid="137">配置规则</a></li><li class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->schema配置参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/zh-cn/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/zh-cn/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/zh-cn/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/zh-cn/docs/user/references/xml/dubbo-protocol.html" target="_self" 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markdown-body" data-reactid="383"><h1>成熟度</h1>
 <h2>功能成熟度</h2>
 <table>
 <thead>
@@ -563,7 +563,7 @@ <h2>策略成熟度</h2>
 </tr>
 </tbody>
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markdown-body" data-reactid="383"><h1>性能测试报告</h1>
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markdown-body" data-reactid="383"><h1>性能测试报告</h1>
 <h2>测试说明</h2>
 <ol>
 <li>本次性能测试，测试了 dubbo 2.0 所有支持的协议在不同大小和数据类型下的表现，并与 dubbo 1.0 进行了对比。</li>
@@ -329,7 +329,7 @@ <h3>测试局限性分析（可选）</h3>
 <p>本次性能测试考察的是 dubbo 本身的性能，实际使用过程中的性能有待应用来验证。</p>
 <p>由于 dubbo 本身的性能占用都在毫秒级，占的基数很小，性能提升可能对应用整体的性能变化不大。</p>
 <p>由于邮件篇幅所限没有列出所有的监控图，如需获得可在大力神平台上查询。</p>
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index 04235ca04634..49bbb1695616 100644
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markdown-body" data-reactid="383"><h1>架构</h1>
 <p><img src="../sources/images/dubbo-architecture.jpg" alt="dubbo-architucture"></p>
 <h5>节点角色说明</h5>
 <table>
@@ -118,7 +118,7 @@ <h5>节点角色说明</h5>
 </tr>
 </tbody>
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markdown-body" data-reactid="383"><h1>背景</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-762307018"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>背景</h1>
 <p>随着互联网的发展，网站应用的规模不断扩大，常规的垂直应用架构已无法应对，分布式服务架构以及流动计算架构势在必行，亟需一个治理系统确保架构有条不紊的演进。</p>
 <p><img src="../sources/images/dubbo-architecture-roadmap.jpg" alt="image"></p>
 <h4>单一应用架构</h4>
@@ -23,7 +23,7 @@ <h4>分布式服务架构</h4>
 <p>当垂直应用越来越多，应用之间交互不可避免，将核心业务抽取出来，作为独立的服务，逐渐形成稳定的服务中心，使前端应用能更快速的响应多变的市场需求。此时，用于提高业务复用及整合的分布式服务框架(RPC)是关键。</p>
 <h4>流动计算架构</h4>
 <p>当服务越来越多，容量的评估，小服务资源的浪费等问题逐渐显现，此时需增加一个调度中心基于访问压力实时管理集群容量，提高集群利用率。此时，用于提高机器利用率的资源调度和治理中心(SOA)是关键。</p>
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index 79d8b6285da5..edae43c48891 100644
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data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/zh-cn/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/zh-cn/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/zh-cn/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/zh-cn/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/zh-cn/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a href="/zh-cn/docs/user/references/xml/dubbo-consumer.html" target="_self" data-reactid="186">dubbo:consumer</a></li><li class="menu-item menu-item-level-3" data-reactid="187"><a href="/zh-cn/docs/user/references/xml/dubbo-method.html" target="_self" data-reactid="188">dubbo:method</a></li><li class="menu-item menu-item-level-3" data-reactid="189"><a href="/zh-cn/docs/user/references/xml/dubbo-argument.html" target="_self" data-reactid="190">dubbo:argument</a></li><li class="menu-item menu-item-level-3" data-reactid="191"><a href="/zh-cn/docs/user/references/xml/dubbo-parameter.html" target="_self" data-reactid="192">dubbo:parameter</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="193"><span data-reactid="194"><!-- react-text: 195 -->协议参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="196"/></span><ul data-reactid="197"><li class="menu-item 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class="menu-item menu-item-level-3" data-reactid="210"><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->注册中心参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item 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markdown-body" data-reactid="383"><h1>入门</h1>
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href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>需求</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1507462092"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a 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markdown-body" data-reactid="383"><h1>需求</h1>
 <p><img src="../sources/images/dubbo-service-governance.jpg" alt="image"></p>
 <p>在大规模服务化之前，应用可能只是通过 RMI 或 Hessian 等工具，简单的暴露和引用远程服务，通过配置服务的URL地址进行调用，通过 F5 等硬件进行负载均衡。</p>
 <p><strong>当服务越来越多时，服务 URL 配置管理变得非常困难，F5 硬件负载均衡器的单点压力也越来越大。</strong> 此时需要一个服务注册中心，动态的注册和发现服务，使服务的位置透明。并通过在消费方获取服务提供方地址列表，实现软负载均衡和 Failover，降低对 F5 硬件负载均衡器的依赖，也能减少部分成本。</p>
 <p><strong>当进一步发展，服务间依赖关系变得错踪复杂，甚至分不清哪个应用要在哪个应用之前启动，架构师都不能完整的描述应用的架构关系。</strong>  这时，需要自动画出应用间的依赖关系图，以帮助架构师理清理关系。</p>
 <p><strong>接着，服务的调用量越来越大，服务的容量问题就暴露出来，这个服务需要多少机器支撑？什么时候该加机器？</strong>  为了解决这些问题，第一步，要将服务现在每天的调用量，响应时间，都统计出来，作为容量规划的参考指标。其次，要可以动态调整权重，在线上，将某台机器的权重一直加大，并在加大的过程中记录响应时间的变化，直到响应时间到达阈值，记录此时的访问量，再以此访问量乘以机器数反推总容量。</p>
 <p>以上是 Dubbo 最基本的几个需求。</p>
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markdown-body" data-reactid="383"><h1>用法</h1>
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markdown-body" data-reactid="383"><h1>用法</h1>
 <h2>本地服务 Spring 配置</h2>
 <p>local.xml:</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">bean</span> <span class="hljs-attr">id</span>=<span class="hljs-string">“xxxService”</span> <span class="hljs-attr">class</span>=<span class="hljs-string">“com.xxx.XxxServiceImpl”</span> /&gt;</span>
@@ -40,7 +40,7 @@ <h2>远程服务 Spring 配置</h2>
     <span class="hljs-tag">&lt;<span class="hljs-name">property</span> <span class="hljs-attr">name</span>=<span class="hljs-string">“xxxService”</span> <span class="hljs-attr">ref</span>=<span class="hljs-string">“xxxService”</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">bean</span>&gt;</span>
 </code></pre>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>快速启动</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1892452490"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>快速启动</h1>
 <p>Dubbo 采用全 Spring 配置方式，透明化接入应用，对应用没有任何 API 侵入，只需用 Spring 加载 Dubbo 的配置即可，Dubbo 基于 <a href="https://docs.spring.io/spring/docs/4.2.x/spring-framework-reference/html/xsd-configuration.html">Spring 的 Schema 扩展</a> 进行加载。</p>
 <p>如果不想使用 Spring 配置，可以通过 <a href="./configuration/api.md">API 的方式</a> 进行调用。</p>
 <h2>服务提供者</h2>
@@ -120,7 +120,7 @@ <h3>加载Spring配置，并调用远程服务</h3>
 </li>
 </ol>
 </section>
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markdown-body" data-reactid="383"><h1>推荐用法</h1>
 <h2>在 Provider 上尽量多配置 Consumer 端属性</h2>
 <p>原因如下：</p>
 <ul>
@@ -148,7 +148,7 @@ <h3>dubbo.properties 中属性名与 XML 的对应关系</h3>
 </li>
 </ol>
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class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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markdown-body" data-reactid="383"><h1>API 参考手册</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="1093142969"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" 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markdown-body" data-reactid="383"><h1>API 参考手册</h1>
 <p>Dubbo 的常规功能，都保持零侵入，但有些功能不得不用 API 侵入才能实现 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <p>API 汇总如下：</p>
 <h2>配置 API</h2>
@@ -57,7 +57,7 @@ <h2>服务API</h2>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" data-reactid="396">Foundation</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" data-reactid="398">License</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" data-reactid="400">Events</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="402">Sponsorship</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="404">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/docs/user/references/maven.html b/zh-cn/docs/user/references/maven.html
index 76143160d459..933ca21ed2ef 100644
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class="menu-item menu-item-level-2" data-reactid="48"><a href="/zh-cn/docs/user/dependencies.html" target="_self" data-reactid="49">依赖</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="50"><a href="/zh-cn/docs/user/maturity.html" target="_self" data-reactid="51">成熟度</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="52"><span data-reactid="53"><!-- react-text: 54 -->配置<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="55"/></span><ul data-reactid="56"><li class="menu-item menu-item-level-3" data-reactid="57"><a href="/zh-cn/docs/user/configuration/xml.html" target="_self" data-reactid="58">XML配置</a></li><li class="menu-item menu-item-level-3" data-reactid="59"><a href="/zh-cn/docs/user/configuration/properties.html" target="_self" data-reactid="60">属性配置</a></li><li class="menu-item menu-item-level-3" data-reactid="61"><a 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markdown-body" data-reactid="383"><h1>Maven 插件参考手册</h1>
 <h2>启动一个简易注册中心</h2>
 <p>以指定的9099端口启动一个简易注册中心 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>：</p>
 <pre><code class="language-sh">mvn dubbo:registry -Dport=9099 
@@ -28,7 +28,7 @@ <h2>生成demo服务提供者应用</h2>
 </li>
 </ol>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>dubbo://</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="691381368"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- /react-text --><img 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markdown-body" data-reactid="383"><h1>dubbo://</h1>
 <p>Dubbo 缺省协议采用单一长连接和 NIO 异步通讯，适合于小数据量大并发的服务调用，以及服务消费者机器数远大于服务提供者机器数的情况。</p>
 <p>反之，Dubbo 缺省协议不适合传送大数据量的服务，比如传文件，传视频等，除非请求量很低。</p>
 <p><img src="../../sources/images/dubbo-protocol.jpg" alt="dubbo-protocol.jpg"></p>
@@ -129,7 +129,7 @@ <h4>为什么采用异步单一长连接?</h4>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" data-reactid="396">Foundation</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" data-reactid="398">License</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" data-reactid="400">Events</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="402">Sponsorship</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="404">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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markdown-body" data-reactid="383"><h1>hessian://</h1>
 <p>Hessian <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 协议用于集成 Hessian 的服务，Hessian 底层采用 Http 通讯，采用 Servlet 暴露服务，Dubbo 缺省内嵌 Jetty 作为服务器实现。</p>
 <p>Dubbo 的 Hessian 协议可以和原生 Hessian 服务互操作，即：</p>
 <ul>
@@ -65,7 +65,7 @@ <h2>配置</h2>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>http://</h1>
 <p>基于 HTTP 表单的远程调用协议，采用 Spring 的 HttpInvoker 实现 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup></p>
 <h2>特性</h2>
 <ul>
@@ -61,7 +61,7 @@ <h2>配置</h2>
 </li>
 </ol>
 </section>
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markdown-body" data-reactid="383"><h1>协议参考手册</h1>
 <p>推荐使用 Dubbo 协议。各协议的性能情况，请参见：<a href="../../perf-test.md">性能测试报告</a></p>
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class="menu-item menu-item-level-3" data-reactid="210"><a href="/zh-cn/docs/user/references/protocol/thrift.html" target="_self" data-reactid="211">thrift://</a></li><li class="menu-item menu-item-level-3" data-reactid="212"><a href="/zh-cn/docs/user/references/protocol/memcached.html" target="_self" data-reactid="213">memcached://</a></li><li class="menu-item menu-item-level-3" data-reactid="214"><a href="/zh-cn/docs/user/references/protocol/redis.html" target="_self" data-reactid="215">redis://</a></li><li class="menu-item menu-item-level-3" data-reactid="216"><a href="/zh-cn/docs/user/references/protocol/rest.html" target="_self" data-reactid="217">rest://</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="218"><span data-reactid="219"><!-- react-text: 220 -->注册中心参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="221"/></span><ul data-reactid="222"><li class="menu-item menu-item-level-3" data-reactid="223"><a href="/zh-cn/docs/user/references/registry/introduction.html" target="_self" data-reactid="224">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="225"><a href="/zh-cn/docs/user/references/registry/multicast.html" target="_self" data-reactid="226">Multicast 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="227"><a href="/zh-cn/docs/user/references/registry/zookeeper.html" target="_self" data-reactid="228">Zookeeper 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="229"><a href="/zh-cn/docs/user/references/registry/redis.html" target="_self" data-reactid="230">Redis 注册中心</a></li><li class="menu-item menu-item-level-3" data-reactid="231"><a href="/zh-cn/docs/user/references/registry/simple.html" target="_self" data-reactid="232">Simple 注册中心</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="233"><a href="/zh-cn/docs/user/references/telnet.html" target="_self" data-reactid="234">telnet命令参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="235"><a href="/zh-cn/docs/user/references/qos.html" target="_self" data-reactid="236">在线运维命令-QOS</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="237"><a href="/zh-cn/docs/user/references/maven.html" target="_self" data-reactid="238">maven插件参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="239"><a href="/zh-cn/docs/user/best-practice.html" target="_self" data-reactid="240">服务化最佳实践</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="241"><a href="/zh-cn/docs/user/recommend.html" target="_self" data-reactid="242">推荐用法</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="243"><a href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" data-reactid="282">注册中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="283"><a href="/zh-cn/docs/dev/impls/monitor.html" target="_self" data-reactid="284">监控中心扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="285"><a href="/zh-cn/docs/dev/impls/extension-factory.html" target="_self" data-reactid="286">扩展点加载扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="287"><a href="/zh-cn/docs/dev/impls/proxy-factory.html" target="_self" data-reactid="288">动态代理扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="289"><a href="/zh-cn/docs/dev/impls/compiler.html" target="_self" data-reactid="290">编译器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="291"><a href="/zh-cn/docs/dev/impls/dispatcher.html" target="_self" data-reactid="292">消息派发扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="293"><a href="/zh-cn/docs/dev/impls/threadpool.html" target="_self" data-reactid="294">线程池扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="295"><a href="/zh-cn/docs/dev/impls/serialize.html" target="_self" data-reactid="296">序列化扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="297"><a href="/zh-cn/docs/dev/impls/remoting.html" target="_self" data-reactid="298">网络传输扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="299"><a href="/zh-cn/docs/dev/impls/exchanger.html" target="_self" data-reactid="300">信息交换扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="301"><a href="/zh-cn/docs/dev/impls/networker.html" target="_self" data-reactid="302">组网扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="303"><a href="/zh-cn/docs/dev/impls/telnet-handler.html" target="_self" data-reactid="304">Telnet 命令扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="305"><a href="/zh-cn/docs/dev/impls/status-checker.html" target="_self" data-reactid="306">状态检查扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="307"><a href="/zh-cn/docs/dev/impls/container.html" target="_self" data-reactid="308">容器扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="309"><a href="/zh-cn/docs/dev/impls/page.html" target="_self" data-reactid="310">页面扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="311"><a href="/zh-cn/docs/dev/impls/cache.html" target="_self" data-reactid="312">缓存扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="313"><a href="/zh-cn/docs/dev/impls/validation.html" target="_self" data-reactid="314">验证扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="315"><a href="/zh-cn/docs/dev/impls/logger-adapter.html" target="_self" data-reactid="316">日志适配扩展</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="317"><a href="/zh-cn/docs/dev/contract.html" target="_self" data-reactid="318">公共契约</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="319"><a href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a href="/zh-cn/docs/dev/principals/configuration.html" target="_self" data-reactid="333">配置设计</a></li><li class="menu-item menu-item-level-3" data-reactid="334"><a href="/zh-cn/docs/dev/principals/robustness.html" target="_self" data-reactid="335">设计实现的健壮性</a></li><li class="menu-item menu-item-level-3" data-reactid="336"><a href="/zh-cn/docs/dev/principals/dummy.html" target="_self" data-reactid="337">防痴呆设计</a></li><li class="menu-item menu-item-level-3" data-reactid="338"><a href="/zh-cn/docs/dev/principals/extension.html" target="_self" data-reactid="339">扩展点重构</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="340"><a href="/zh-cn/docs/dev/release.html" target="_self" data-reactid="341">版本管理</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="342"><a href="/zh-cn/docs/dev/contribution.html" target="_self" data-reactid="343">贡献</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="370"><a href="/zh-cn/docs/admin/install/admin-console.html" target="_self" data-reactid="371">管理控制台安装</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="372"><span data-reactid="373"><!-- react-text: 374 -->运维手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="375"/></span><ul data-reactid="376"><li class="menu-item menu-item-level-3" data-reactid="377"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="378">管理控制台运维</a></li><li class="menu-item menu-item-level-3" data-reactid="379"><a href="/zh-cn/docs/admin/ops/pinpoint.html" target="_self" data-reactid="380">使用Pinpoint做分布式跟踪</a></li><li class="menu-item menu-item-level-3" data-reactid="381"><a href="/zh-cn/docs/admin/ops/skywalking.html" target="_self" data-reactid="382">使用Skywalking做分布式跟踪</a></li></ul></li></ul></li></ul></div><div class="doc-content markdown-body" data-reactid="383"><h1>memcached://</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1383439076"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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markdown-body" data-reactid="383"><h1>memcached://</h1>
 <p>基于 memcached <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 实现的 RPC 协议 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>注册 memcached 服务的地址</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
@@ -46,7 +46,7 @@ <h2>在客户端引用</h2>
 </li>
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markdown-body" data-reactid="383"><h1>redis://</h1>
 <p>基于 Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 实现的 RPC 协议 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <h2>注册 redis 服务的地址</h2>
 <pre><code class="language-java">RegistryFactory registryFactory = ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension();
@@ -46,7 +46,7 @@ <h2>在客户端引用</h2>
 </li>
 </ol>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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markdown-body" data-reactid="383"><h1>rest://</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-1879552183"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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markdown-body" data-reactid="383"><h1>rest://</h1>
 <p>基于标准的Java REST API——JAX-RS 2.0（Java API for RESTful Web Services的简写）实现的REST调用支持</p>
 <h2>快速入门</h2>
 <p>在dubbo中开发一个REST风格的服务会比较简单，下面以一个注册用户的简单服务为例说明。</p>
@@ -513,7 +513,7 @@ <h3>输入参数的校验</h3>
 <p>然后将这个ExceptionMapper添加到XML配置中即可：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"rest"</span> <span class="hljs-attr">port</span>=<span class="hljs-string">"8888"</span> <span class="hljs-attr">extension</span>=<span class="hljs-string">"xxx.MyValidationExceptionMapper"</span>/&gt;</span>
 </code></pre>
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diff --git a/zh-cn/docs/user/references/protocol/rmi.html b/zh-cn/docs/user/references/protocol/rmi.html
index e0de4f55bc3b..023b836dfad4 100644
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+++ b/zh-cn/docs/user/references/protocol/rmi.html
@@ -12,7 +12,7 @@
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 <body>
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markdown-body" data-reactid="383"><h1>rmi://</h1>
 <p>RMI 协议采用 JDK 标准的 <code>java.rmi.*</code> 实现，采用阻塞式短连接和 JDK 标准序列化方式。</p>
 <p>注意：如果正在使用 RMI 提供服务给外部访问 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>，同时应用里依赖了老的 common-collections 包 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> 的情况下，存在反序列化安全风险 <sup class="footnote-ref"><a href="#fn3" id="fnref3">[3]</a></sup>。</p>
 <h2>特性</h2>
@@ -78,7 +78,7 @@ <h2>配置</h2>
 </li>
 </ol>
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href="/zh-cn/docs/user/capacity-plan.html" target="_self" data-reactid="244">容量规划</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="245"><a href="/zh-cn/docs/user/perf-test.html" target="_self" data-reactid="246">性能测试报告</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="247"><a href="/zh-cn/docs/user/coveragence.html" target="_self" data-reactid="248">测试覆盖率报告</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="249"><span data-reactid="250">开发者指南</span><ul data-reactid="251"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="252"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="253">源码构建</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="254"><a href="/zh-cn/docs/dev/design.html" target="_self" data-reactid="255">框架设计</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="256"><a href="/zh-cn/docs/dev/SPI.html" target="_self" data-reactid="257">扩展点加载</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="258"><a href="/zh-cn/docs/dev/implementation.html" target="_self" data-reactid="259">实现细节</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="260"><span data-reactid="261"><!-- react-text: 262 -->SPI 扩展实现<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="263"/></span><ul data-reactid="264"><li class="menu-item menu-item-level-3" data-reactid="265"><a href="/zh-cn/docs/dev/impls/protocol.html" target="_self" data-reactid="266">协议扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="267"><a href="/zh-cn/docs/dev/impls/filter.html" target="_self" data-reactid="268">调用拦截扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="269"><a href="/zh-cn/docs/dev/impls/invoker-listener.html" target="_self" data-reactid="270">引用监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="271"><a href="/zh-cn/docs/dev/impls/exporter-listener.html" target="_self" data-reactid="272">暴露监听扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="273"><a href="/zh-cn/docs/dev/impls/cluster.html" target="_self" data-reactid="274">集群扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="275"><a href="/zh-cn/docs/dev/impls/router.html" target="_self" data-reactid="276">路由扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="277"><a href="/zh-cn/docs/dev/impls/load-balance.html" target="_self" data-reactid="278">负载均衡扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="279"><a href="/zh-cn/docs/dev/impls/merger.html" target="_self" data-reactid="280">合并结果扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="281"><a href="/zh-cn/docs/dev/impls/registry.html" target="_self" 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href="/zh-cn/docs/dev/coding.html" target="_self" data-reactid="320">编码约定</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="321"><span data-reactid="322"><!-- react-text: 323 -->设计原则<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="324"/></span><ul data-reactid="325"><li class="menu-item menu-item-level-3" data-reactid="326"><a href="/zh-cn/docs/dev/principals/code-detail.html" target="_self" data-reactid="327">魔鬼在细节</a></li><li class="menu-item menu-item-level-3" data-reactid="328"><a href="/zh-cn/docs/dev/principals/general-knowledge.html" target="_self" data-reactid="329">一些设计上的基本常识</a></li><li class="menu-item menu-item-level-3" data-reactid="330"><a href="/zh-cn/docs/dev/principals/expansibility.html" target="_self" data-reactid="331">谈谈扩充式扩展与增量式扩展</a></li><li class="menu-item menu-item-level-3" data-reactid="332"><a 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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>thrift://</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="-2142048629"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a href="/zh-cn/blog/index.html" data-reactid="17">博客</a></li><li class="menu-item menu-item-normal" data-reactid="18"><a href="/zh-cn/community/index.html" data-reactid="19">社区</a></li></ul></div></div></header><div class="bar" data-reactid="20"><div class="bar-body" data-reactid="21"><img src="/img/docs.png" class="front-img" data-reactid="22"/><span data-reactid="23">文档</span><img src="/img/docs.png" class="back-img" data-reactid="24"/></div></div><section class="content-section" data-reactid="25"><div class="sidemenu" data-reactid="26"><div class="sidemenu-toggle" data-reactid="27"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png" data-reactid="28"/></div><ul data-reactid="29"><li class="menu-item menu-item-level-1" data-reactid="30"><span data-reactid="31">用户文档</span><ul data-reactid="32"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="33"><span data-reactid="34"><!-- react-text: 35 -->入门<!-- 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markdown-body" data-reactid="383"><h1>thrift://</h1>
 <p>当前 dubbo 支持 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>的 thrift 协议是对 thrift 原生协议 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup> 的扩展，在原生协议的基础上添加了一些额外的头信息，比如 service name，magic number 等。</p>
 <p>使用 dubbo thrift 协议同样需要使用 thrift 的 idl compiler 编译生成相应的 java 代码，后续版本中会在这方面做一些增强。</p>
 <h2>依赖</h2>
@@ -43,7 +43,7 @@ <h2>常见问题</h2>
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markdown-body" data-reactid="383"><h1>webservice://</h1>
 <p>基于 WebService 的远程调用协议，基于 <a href="http://cxf.apache.org">Apache CXF</a> <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 的 <code>frontend-simple</code> 和 <code>transports-http</code> 实现 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <p>可以和原生 WebService 服务互操作，即：</p>
 <ul>
@@ -96,7 +96,7 @@ <h2>配置</h2>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>新版本 telnet 命令使用说明</h1>
 <p>dubbo 2.5.8 新版本重构了 telnet 模块，提供了新的 telnet 命令支持。</p>
 <h3>端口</h3>
 <p>新版本的 telnet 端口 与 dubbo 协议的端口是不同的端口，默认为 <code>22222</code>，可通过配置文件<code>dubbo.properties</code> 修改:</p>
@@ -128,7 +128,7 @@ <h3>help 命令</h3>
 
 dubbo&gt;
 </code></pre>
-</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" data-reactid="396">Foundation</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" data-reactid="398">License</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" data-reactid="400">Events</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="402">Sponsorship</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="404">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/docs/user/references/registry/introduction.html b/zh-cn/docs/user/references/registry/introduction.html
index bd3a21720735..78dd86ea2213 100644
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 <body>
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markdown-body" data-reactid="383"><h2>注册中心参考手册</h2>
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markdown-body" data-reactid="383"><h1>Multicast 注册中心</h1>
 <p>Multicast 注册中心不需要启动任何中心节点，只要广播地址一样，就可以互相发现。</p>
 <p><img src="../../sources/images/multicast.jpg" alt="/user-guide/images/multicast.jpg"></p>
 <ol start="0">
@@ -36,7 +36,7 @@ <h2>配置</h2>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:parameter</span> <span class="hljs-attr">key</span>=<span class="hljs-string">"unicast"</span> <span class="hljs-attr">value</span>=<span class="hljs-string">"false"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:registry</span>&gt;</span>
 </code></pre>
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index 31edb531a2c0..667e77d57bc9 100644
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data-reactid="358"><a href="/zh-cn/docs/admin/install/provider-demo.html" target="_self" data-reactid="359">示例提供者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="360"><a href="/zh-cn/docs/admin/install/consumer-demo.html" target="_self" data-reactid="361">示例消费者安装</a></li><li class="menu-item menu-item-level-3" data-reactid="362"><a href="/zh-cn/docs/admin/install/zookeeper.html" target="_self" data-reactid="363">Zookeeper 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="364"><a href="/zh-cn/docs/admin/install/redis.html" target="_self" data-reactid="365">Redis 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="366"><a href="/zh-cn/docs/admin/install/simple-registry-center.html" target="_self" data-reactid="367">Simple 注册中心安装</a></li><li class="menu-item menu-item-level-3" data-reactid="368"><a href="/zh-cn/docs/admin/install/simple-monitor-center.html" target="_self" data-reactid="369">Simple 监控中心安装</a></li><li class="menu-item 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markdown-body" data-reactid="383"><h1>Redis 注册中心</h1>
 <p>基于 Redis <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 实现的注册中心 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。</p>
 <p><img src="../../sources/images/dubbo-redis-registry.jpg" alt="/user-guide/images/dubbo-redis-registry.jpg"></p>
 <p>使用 Redis 的 Key/Map 结构存储数据结构：</p>
@@ -75,7 +75,7 @@ <h2>安装</h2>
 </li>
 </ol>
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markdown-body" data-reactid="383"><h1>Simple 注册中心</h1>
 <p>Simple 注册中心本身就是一个普通的 Dubbo 服务，可以减少第三方依赖，使整体通讯方式一致。</p>
 <h2>配置</h2>
 <p>将 Simple 注册中心暴露成 Dubbo 服务：</p>
@@ -45,7 +45,7 @@ <h2>配置</h2>
 </code></pre>
 <h2>适用性说明</h2>
 <p>此 <code>SimpleRegistryService</code> 只是简单实现，不支持集群，可作为自定义注册中心的参考，但不适合直接用于生产环境。</p>
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diff --git a/zh-cn/docs/user/references/registry/zookeeper.html b/zh-cn/docs/user/references/registry/zookeeper.html
index d705bf77520c..f9fc7bd1fd79 100644
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markdown-body" data-reactid="383"><h1>zookeeper 注册中心</h1>
 <p><a href="http://zookeeper.apache.org">Zookeeper</a> 是 Apacahe Hadoop 的子项目，是一个树型的目录服务，支持变更推送，适合作为 Dubbo 服务的注册中心，工业强度较高，可用于生产环境，并推荐使用 <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup>。</p>
 <p><img src="../../sources/images/zookeeper.jpg" alt="/user-guide/images/zookeeper.jpg"></p>
 <p>流程说明：</p>
@@ -107,7 +107,7 @@ <h2>兼容性声明</h2>
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markdown-body" data-reactid="383"><h1>Telnet 命令参考手册</h1>
 <p>从 <code>2.0.5</code> 版本开始，dubbo 开始支持通过 telnet 命令来进行服务治理。</p>
 <h2>使用</h2>
 <pre><code class="language-sh">telnet localhost 20880
@@ -92,7 +92,7 @@ <h3><code>exit</code></h3>
 </li>
 </ol>
 </section>
-</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" data-reactid="396">Foundation</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" data-reactid="398">License</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" data-reactid="400">Events</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="402">Sponsorship</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="404">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/docs/user/references/xml/dubbo-application.html b/zh-cn/docs/user/references/xml/dubbo-application.html
index 2f8b83ca8215..db400510cce0 100644
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 <body>
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markdown-body" data-reactid="383"><style>
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@@ -153,7 +153,7 @@ <h1>dubbo:application</h1>
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markdown-body" data-reactid="383"><style>
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markdown-body" data-reactid="383"><style>
 table {
   width: 100%;
   max-width: 65em;
@@ -238,7 +238,7 @@ <h1>dubbo:method</h1>
     <span class="hljs-tag">&lt;<span class="hljs-name">dubbo:method</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"findXxx"</span> <span class="hljs-attr">timeout</span>=<span class="hljs-string">"3000"</span> <span class="hljs-attr">retries</span>=<span class="hljs-string">"2"</span> /&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dubbo:reference</span>&gt;</span>
 </code></pre>
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index 6364dc9b60a9..f59d0e9ce27b 100644
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markdown-body" data-reactid="383"><style>
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markdown-body" data-reactid="383"><style>
 table {
   width: 100%;
   max-width: 65em;
@@ -101,7 +101,7 @@ <h1>dubbo:parameter</h1>
 <p>也可以：</p>
 <pre><code class="language-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dubbo:protocol</span> <span class="hljs-attr">name</span>=<span class="hljs-string">"jms"</span> <span class="hljs-attr">p:queue</span>=<span class="hljs-string">"xxx"</span> /&gt;</span>
 </code></pre>
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markdown-body" data-reactid="383"><style>
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@@ -513,7 +513,7 @@ <h1>dubbo:provider</h1>
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markdown-body" data-reactid="383"><style>
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class="menu-item menu-item-level-2" data-reactid="344"><a href="/zh-cn/docs/dev/checklist.html" target="_self" data-reactid="345">检查列表</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="346"><a href="/zh-cn/docs/dev/code-smell.html" target="_self" data-reactid="347">坏味道</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="348"><a href="/zh-cn/docs/dev/TCK.html" target="_self" data-reactid="349">技术兼容性测试</a></li></ul></li><li class="menu-item menu-item-level-1" data-reactid="350"><span data-reactid="351">运维管理</span><ul data-reactid="352"><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="353"><span data-reactid="354"><!-- react-text: 355 -->安装手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="356"/></span><ul data-reactid="357"><li class="menu-item menu-item-level-3" 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markdown-body" data-reactid="383"><h1>schema 配置参考手册</h1>
+	<div id="root"><div class="documentation-page" data-reactroot="" data-reactid="1" data-react-checksum="374848446"><header class="header-container header-container-normal" data-reactid="2"><div class="header-body" data-reactid="3"><a href="/zh-cn/index.html" data-reactid="4"><img class="logo" src="/img/dubbo_colorful.png" data-reactid="5"/></a><div class="search search-normal" data-reactid="6"><span class="icon-search" data-reactid="7"></span></div><span class="language-switch language-switch-normal" data-reactid="8">En</span><div class="header-menu" data-reactid="9"><img class="header-menu-toggle" src="/img/menu_gray.png" data-reactid="10"/><ul data-reactid="11"><li class="menu-item menu-item-normal" data-reactid="12"><a href="/zh-cn/index.html" data-reactid="13">首页</a></li><li class="menu-item menu-item-normal menu-item-normal-active" data-reactid="14"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="15">文档</a></li><li class="menu-item menu-item-normal" data-reactid="16"><a 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href="/zh-cn/docs/user/configuration/api.html" target="_self" data-reactid="62">API配置</a></li><li class="menu-item menu-item-level-3" data-reactid="63"><a href="/zh-cn/docs/user/configuration/annotation.html" target="_self" data-reactid="64">注解配置</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="65"><span data-reactid="66"><!-- react-text: 67 -->示例<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="68"/></span><ul data-reactid="69"><li class="menu-item menu-item-level-3" data-reactid="70"><a href="/zh-cn/docs/user/demos/preflight-check.html" target="_self" data-reactid="71">启动时检查</a></li><li class="menu-item menu-item-level-3" data-reactid="72"><a href="/zh-cn/docs/user/demos/fault-tolerent-strategy.html" target="_self" data-reactid="73">集群容错</a></li><li class="menu-item menu-item-level-3" data-reactid="74"><a href="/zh-cn/docs/user/demos/loadbalance.html" 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href="/zh-cn/docs/user/demos/generic-reference.html" target="_self" data-reactid="101">泛化引用</a></li><li class="menu-item menu-item-level-3" data-reactid="102"><a href="/zh-cn/docs/user/demos/generic-service.html" target="_self" data-reactid="103">泛化实现</a></li><li class="menu-item menu-item-level-3" data-reactid="104"><a href="/zh-cn/docs/user/demos/echo-service.html" target="_self" data-reactid="105">回声测试</a></li><li class="menu-item menu-item-level-3" data-reactid="106"><a href="/zh-cn/docs/user/demos/context.html" target="_self" data-reactid="107">上下文信息</a></li><li class="menu-item menu-item-level-3" data-reactid="108"><a href="/zh-cn/docs/user/demos/attachment.html" target="_self" data-reactid="109">隐式参数</a></li><li class="menu-item menu-item-level-3" data-reactid="110"><a href="/zh-cn/docs/user/demos/async-call.html" target="_self" data-reactid="111">异步调用</a></li><li class="menu-item menu-item-level-3" data-reactid="112"><a href="/zh-cn/docs/user/demos/local-call.html" 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class="menu-item menu-item-level-3" data-reactid="138"><a href="/zh-cn/docs/user/demos/service-downgrade.html" target="_self" data-reactid="139">服务降级</a></li><li class="menu-item menu-item-level-3" data-reactid="140"><a href="/zh-cn/docs/user/demos/graceful-shutdown.html" target="_self" data-reactid="141">优雅停机</a></li><li class="menu-item menu-item-level-3" data-reactid="142"><a href="/zh-cn/docs/user/demos/hostname-binding.html" target="_self" data-reactid="143">主机绑定</a></li><li class="menu-item menu-item-level-3" data-reactid="144"><a href="/zh-cn/docs/user/demos/logger-strategy.html" target="_self" data-reactid="145">日志适配</a></li><li class="menu-item menu-item-level-3" data-reactid="146"><a href="/zh-cn/docs/user/demos/accesslog.html" target="_self" data-reactid="147">访问日志</a></li><li class="menu-item menu-item-level-3" data-reactid="148"><a href="/zh-cn/docs/user/demos/service-container.html" target="_self" data-reactid="149">服务容器</a></li><li class="menu-item menu-item-level-3" data-reactid="150"><a href="/zh-cn/docs/user/demos/reference-config-cache.html" target="_self" data-reactid="151">Reference Config 缓存</a></li><li class="menu-item menu-item-level-3" data-reactid="152"><a href="/zh-cn/docs/user/demos/distributed-transaction.html" target="_self" data-reactid="153">分布式事务</a></li><li class="menu-item menu-item-level-3" data-reactid="154"><a href="/zh-cn/docs/user/demos/dump.html" target="_self" data-reactid="155">线程栈自动dump</a></li><li class="menu-item menu-item-level-3" data-reactid="156"><a href="/zh-cn/docs/user/demos/netty4.html" target="_self" data-reactid="157">Netty4</a></li><li class="menu-item menu-item-level-3" data-reactid="158"><a href="/zh-cn/docs/user/demos/serialization.html" target="_self" data-reactid="159">Kryo和FST序列化</a></li></ul></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="160"><a href="/zh-cn/docs/user/references/api.html" target="_self" data-reactid="161">API配置参考手册</a></li><li style="height:36px;overflow:hidden;" class="menu-item menu-item-level-2" data-reactid="162"><span data-reactid="163"><!-- react-text: 164 -->schema配置参考手册<!-- /react-text --><img style="transform:rotate(-90deg);" class="menu-toggle" src="/img/arrow_down.png" data-reactid="165"/></span><ul data-reactid="166"><li class="menu-item menu-item-level-3" data-reactid="167"><a href="/zh-cn/docs/user/references/xml/introduction.html" target="_self" data-reactid="168">介绍</a></li><li class="menu-item menu-item-level-3" data-reactid="169"><a href="/zh-cn/docs/user/references/xml/dubbo-service.html" target="_self" data-reactid="170">dubbo:service</a></li><li class="menu-item menu-item-level-3" data-reactid="171"><a href="/zh-cn/docs/user/references/xml/dubbo-reference.html" target="_self" data-reactid="172">dubbo:reference</a></li><li class="menu-item menu-item-level-3" data-reactid="173"><a href="/zh-cn/docs/user/references/xml/dubbo-protocol.html" target="_self" data-reactid="174">dubbo:protocol</a></li><li class="menu-item menu-item-level-3" data-reactid="175"><a href="/zh-cn/docs/user/references/xml/dubbo-registry.html" target="_self" data-reactid="176">dubbo:registry</a></li><li class="menu-item menu-item-level-3" data-reactid="177"><a href="/zh-cn/docs/user/references/xml/dubbo-monitor.html" target="_self" data-reactid="178">dubbo:monitor</a></li><li class="menu-item menu-item-level-3" data-reactid="179"><a href="/zh-cn/docs/user/references/xml/dubbo-application.html" target="_self" data-reactid="180">dubbo:application</a></li><li class="menu-item menu-item-level-3" data-reactid="181"><a href="/zh-cn/docs/user/references/xml/dubbo-module.html" target="_self" data-reactid="182">dubbo:module</a></li><li class="menu-item menu-item-level-3" data-reactid="183"><a href="/zh-cn/docs/user/references/xml/dubbo-provider.html" target="_self" data-reactid="184">dubbo:provider</a></li><li class="menu-item menu-item-level-3" data-reactid="185"><a 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markdown-body" data-reactid="383"><h1>schema 配置参考手册</h1>
 <p>这里以 XML Config <sup class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup> 为准，列举所有配置项 <sup class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup>。其它配置方式，请参见相应转换关系：<a href="../../configuration/properties.md">属性配置</a>，<a href="../../configuration/annotation.md">注解配置</a>，<a href="../../configuration/api.md">API 配置</a>。</p>
 <p>所有配置项分为三大类，参见下表中的&quot;作用&quot; 一列。</p>
 <ul>
@@ -32,7 +32,7 @@
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 </section>
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markdown-body" data-reactid="383"><h1>在 Dubbo 中开发 REST 风格的远程调用（RESTful Remoting）</h1>
 <p><strong>作者：沈理</strong></p>
 <p><strong>文档版权：<a href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0许可证 署名-禁止演绎</a></strong></p>
 <p>完善中……</p>
@@ -949,7 +949,7 @@ <h2>未来</h2>
 <li>完善gzip</li>
 <li>最大payload限制</li>
 </ul>
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markdown-body" data-reactid="383"><h1>在Dubbo中使用高效的Java序列化（Kryo和FST）</h1>
 <p><strong>作者：沈理</strong></p>
 <p><strong>文档版权：<a href="http://www.apache.org/licenses/LICENSE-2.0">Apache 2.0许可证 署名-禁止演绎</a></strong></p>
 <p>完善中……</p>
@@ -279,7 +279,7 @@ <h3>测试总结</h3>
 <p>就目前结果而言，我们可以看到不管从生成字节的大小，还是平均响应时间和平均TPS，Kryo和FST相比Dubbo RPC中原有的序列化方式都有非常显著的改进。</p>
 <h2>未来</h2>
 <p>未来，当Kryo或者FST在dubbo中当应用足够成熟之后，我们很可能会将dubbo RPC的默认序列化从hessian2改为它们中间的某一个。</p>
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markdown-body" data-reactid="383"><blockquote>
 <p><img src="sources/images/check.gif" alt="warning">监控中心也是一个标准的Dubbo服务，可以通过注册中心发现，也可以直连。</p>
 </blockquote>
 <blockquote>
@@ -92,7 +92,7 @@
 </code></pre>
 </li>
 </ol>
-</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" data-reactid="396">Foundation</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" data-reactid="398">License</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" data-reactid="400">Events</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" data-reactid="402">Sponsorship</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" data-reactid="404">Thanks</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
+</div></section><footer class="footer-container" data-reactid="384"><div class="footer-body" data-reactid="385"><img src="/img/dubbo_gray.png" data-reactid="386"/><img class="apache" src="/img/apache_logo.png" data-reactid="387"/><div class="cols-container" data-reactid="388"><div class="col col-12" data-reactid="389"><h3 data-reactid="390">Disclaimer</h3><p data-reactid="391">Apache Dubbo is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p></div><div class="col col-4" data-reactid="392"><dl data-reactid="393"><dt data-reactid="394">ASF</dt><dd data-reactid="395"><a href="http://www.apache.org" target="_self" data-reactid="396">基金会</a></dd><dd data-reactid="397"><a href="http://www.apache.org/licenses/" target="_self" data-reactid="398">证书</a></dd><dd data-reactid="399"><a href="http://www.apache.org/events/current-event" target="_self" data-reactid="400">事件</a></dd><dd data-reactid="401"><a href="http://www.apache.org/foundation/sponsorship.html" target="_self" data-reactid="402">赞助</a></dd><dd data-reactid="403"><a href="http://www.apache.org/foundation/thanks.html" target="_self" data-reactid="404">致谢</a></dd></dl></div><div class="col col-4" data-reactid="405"><dl data-reactid="406"><dt data-reactid="407">文档</dt><dd data-reactid="408"><a href="/zh-cn/docs/user/quick-start.html" target="_self" data-reactid="409">快速开始</a></dd><dd data-reactid="410"><a href="/zh-cn/docs/dev/build.html" target="_self" data-reactid="411">开发者指南</a></dd><dd data-reactid="412"><a href="/zh-cn/docs/admin/ops/dubbo-ops.html" target="_self" data-reactid="413">运维管理</a></dd></dl></div><div class="col col-4" data-reactid="414"><dl data-reactid="415"><dt data-reactid="416">资源</dt><dd data-reactid="417"><a href="/zh-cn/blog/index.html" target="_self" data-reactid="418">博客</a></dd><dd data-reactid="419"><a href="/zh-cn/community/index.html" target="_self" data-reactid="420">社区</a></dd></dl></div></div><div class="copyright" data-reactid="421"><span data-reactid="422">Copyright © 2018 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation.</span></div></div></footer></div></div>
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diff --git a/zh-cn/index.html b/zh-cn/index.html
index c274c337f184..bceca3fc0e37 100644
--- a/zh-cn/index.html
+++ b/zh-cn/index.html
@@ -12,7 +12,7 @@
 	<link rel="stylesheet" href="/build/home.css" />
 </head>
 <body>
-	<div id="root"><div class="home-page" data-reactroot="" data-reactid="1" data-react-checksum="-134235939"><section class="top-section" data-reactid="2"><header class="header-container header-container-primary" data-reactid="3"><div class="header-body" data-reactid="4"><a href="/zh-cn/index.html" data-reactid="5"><img class="logo" src="/img/dubbo_white.png" data-reactid="6"/></a><div class="search search-primary" data-reactid="7"><span class="icon-search" data-reactid="8"></span></div><span class="language-switch language-switch-primary" data-reactid="9">En</span><div class="header-menu" data-reactid="10"><img class="header-menu-toggle" src="/img/menu_white.png" data-reactid="11"/><ul data-reactid="12"><li class="menu-item menu-item-primary menu-item-primary-active" data-reactid="13"><a href="/zh-cn/index.html" data-reactid="14">首页</a></li><li class="menu-item menu-item-primary" data-reactid="15"><a href="/zh-cn/docs/user/quick-start.html" data-reactid="16">文档</a></li><li 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data-reactid="50"/><div data-reactid="51"><h4 data-reactid="52">智能负载均衡</h4><p data-reactid="53">内置多种负载均衡策略，智能感知下游节点健康状况，显著减少调用延迟，提高系统吞吐量。</p></div></li><li data-reactid="54"><img src="/img/feature_service.png" data-reactid="55"/><div data-reactid="56"><h4 data-reactid="57">服务自动注册与发现</h4><p data-reactid="58">支持多种注册中心服务，服务实例上下线实时感知。</p></div></li><li data-reactid="59"><img src="/img/feature_hogh.png" data-reactid="60"/><div data-reactid="61"><h4 data-reactid="62">高度可扩展能力</h4><p data-reactid="63">遵循微内核+插件的设计原则，所有核心能力如Protocol、Transport、Serialization被设计为扩展点，平等对待内置实现和第三方实现。</p></div></li><li data-reactid="64"><img src="/img/feature_runtime.png" data-reactid="65"/><div data-reactid="66"><h4 data-reactid="67">运行期流量调度</h4><p data-reactid="68">内置条件、脚本等路由策略，通过配置不同的路由规则，轻松实现灰度发布，同机房优先等功能。</p></div></li><li data-reactid="69"><img src="/img/feature_maintenance.png" data-reactid="70"/><div data-reactid="71"><h4 data-reactid="72">可视化的服务治理与运维</h4><p 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data-reactid="50"/><div data-reactid="51"><h4 data-reactid="52">智能负载均衡</h4><p data-reactid="53">内置多种负载均衡策略，智能感知下游节点健康状况，显著减少调用延迟，提高系统吞吐量。</p></div></li><li data-reactid="54"><img src="/img/feature_service.png" data-reactid="55"/><div data-reactid="56"><h4 data-reactid="57">服务自动注册与发现</h4><p data-reactid="58">支持多种注册中心服务，服务实例上下线实时感知。</p></div></li><li data-reactid="59"><img src="/img/feature_hogh.png" data-reactid="60"/><div data-reactid="61"><h4 data-reactid="62">高度可扩展能力</h4><p data-reactid="63">遵循微内核+插件的设计原则，所有核心能力如Protocol、Transport、Serialization被设计为扩展点，平等对待内置实现和第三方实现。</p></div></li><li data-reactid="64"><img src="/img/feature_runtime.png" data-reactid="65"/><div data-reactid="66"><h4 data-reactid="67">运行期流量调度</h4><p data-reactid="68">内置条件、脚本等路由策略，通过配置不同的路由规则，轻松实现灰度发布，同机房优先等功能。</p></div></li><li data-reactid="69"><img src="/img/feature_maintenance.png" data-reactid="70"/><div data-reactid="71"><h4 data-reactid="72">可视化的服务治理与运维</h4><p data-reactid="73">提供丰富服务治理、运维工具：随时查询服务元数据、服务健康状态及调用统计，实时下发路由策略、调整配置参数。</p></div></li></ul></section><section class="start-section" data-reactid="74"><div class="start-body" data-reactid="75"><div class="left-part" data-reactid="76"><h3 data-reactid="77">快速开始</h3><p data-reactid="78">只需通过几行代码即可快速构建一个Dubbo应用。</p><a href="/zh-cn/docs/user/quick-start.html" data-reactid="79">阅读更多</a></div><div class="right-part" data-reactid="80"><img src="/img/quick_start.png" data-reactid="81"/></div></div></section><section class="users-section" data-reactid="82"><h3 data-reactid="83">谁在使用Dubbo</h3><p data-reactid="84"><span data-reactid="85"><!-- react-text: 86 -->请在 <!-- /react-text --><a rel="noopener noreferrer" target="_blank" href="https://github.com/apache/incubator-dubbo/issues/1012" data-reactid="87">Wanted: who&#x27;s using dubbo</a><!-- react-text: 88 --> 上提供信息来帮助Dubbo做的更好。<!-- /react-text --></span></p><div class="users" data-reactid="89"><img src="/img/users_alibaba.png" 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