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‎_posts/2018-06-21-docker-ubuntu中使用Elasticsearch遇到的错误集合.md‎

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---
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layout: post
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title: "docker 中的 ubuntu 使用 Elasticsearch 遇到的错误集合"
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description: ""
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category: articles
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tags: [docker, ubuntu, Elasticsearch]
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image:
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feature:
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credit: Michael Rose
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creditlink: http://mademistakes.com
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comments: true
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share: true
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---
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当修改 Elasticsearch 6.2.4 的配置文件 config/elasticsearch.yml 时，将 network.host 项设置为 0.0.0.0，遇到如下错误：
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```
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ERROR: [2] bootstrap checks failed
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[1] initial heap size [132120576] not equal to maximum heap size [2092957696]; this can cause resize pauses and prevents mlockall from locking the entire heap
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[2] max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
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```
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2. 错误1：initial heap size [132120576] not equal to maximum heap size [2092957696]; this can cause resize pauses and prevents mlockall from locking the entire heap
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修改 Elasticsearch 的配置文件 `config/jvm.options`，取消以下两行前的`#`号，保存后重启 Elasticsearch 即可。
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# -Xms1g
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# -Xmx1g
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2. 错误2：max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
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错误原因：系统的 vm.max_map_count 参数太小
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解决办法：
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修改宿主机（即 docker 所在的主机本身），然后重启 docker 容器即可。修改宿主机参数的命令如下：
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1. 方法1，命令修改
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`sysctl -w vm.max_map_count=655360`
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2. 方法2，修改配置文件
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$ sudo vi /etc/sysctl.conf
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在文件的底部增加 `vm.max_map_count=262144`。

‎_site/articles/docker-ubuntu中使用Elasticsearch遇到的错误集合/index.html‎

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<title>docker 中的 ubuntu 使用 Elasticsearch 遇到的错误集合 &#8211; 叶子</title>
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<span class="entry-tags">Tags：<a href="http://localhost:4000/tags/#docker" title="Pages tagged docker">docker</a>&nbsp;&bull;&nbsp;<a href="http://localhost:4000/tags/#ubuntu" title="Pages tagged ubuntu">ubuntu</a>&nbsp;&bull;&nbsp;<a href="http://localhost:4000/tags/#Elasticsearch" title="Pages tagged Elasticsearch">Elasticsearch</a></span>
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<h1 class="entry-title">docker 中的 ubuntu 使用 Elasticsearch 遇到的错误集合</h1>
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</header>
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<div class="entry-content">
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<p>当修改 Elasticsearch 6.2.4 的配置文件 config/elasticsearch.yml 时，将 network.host 项设置为 0.0.0.0，遇到如下错误：</p>
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<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ERROR: [2] bootstrap checks failed
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[1] initial heap size [132120576] not equal to maximum heap size [2092957696]; this can cause resize pauses and prevents mlockall from locking the entire heap
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[2] max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
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</code></pre></div></div>
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<ol>
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<li>
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<p>错误1：initial heap size [132120576] not equal to maximum heap size [2092957696]; this can cause resize pauses and prevents mlockall from locking the entire heap</p>
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<p>修改 Elasticsearch 的配置文件 <code class="highlighter-rouge">config/jvm.options</code>，取消以下两行前的<code class="highlighter-rouge">#</code>号，保存后重启 Elasticsearch 即可。</p>
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<p># -Xms1g</p>
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<p># -Xmx1g</p>
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</li>
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<li>
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<p>错误2：max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]</p>
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<p>错误原因：系统的 vm.max_map_count 参数太小</p>
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<p>解决办法：</p>
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<p>修改宿主机（即 docker 所在的主机本身），然后重启 docker 容器即可。修改宿主机参数的命令如下：</p>
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<ol>
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<li>
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<p>方法1，命令修改</p>
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<p><code class="highlighter-rouge">sysctl -w vm.max_map_count=655360</code></p>
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</li>
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<li>
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<p>方法2，修改配置文件</p>
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<p>$ sudo vi /etc/sysctl.conf</p>
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<p>在文件的底部增加 <code class="highlighter-rouge">vm.max_map_count=262144</code>。</p>
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‎_site/articles/index.html‎

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<div class="entry-content">
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<li><article><a href="http://localhost:4000/articles/docker-ubuntu%E4%B8%AD%E4%BD%BF%E7%94%A8Elasticsearch%E9%81%87%E5%88%B0%E7%9A%84%E9%94%99%E8%AF%AF%E9%9B%86%E5%90%88/">docker 中的 ubuntu 使用 Elasticsearch 遇到的错误集合 <span class="entry-date"><time datetime="2018-06-21T00:00:00+00:00">June 21, 2018</time></span></a></article></li>
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<li><article><a href="http://localhost:4000/articles/uWSGI-listen-queue-of-socket-full-%E9%98%9F%E5%88%97%E6%BA%A2%E5%87%BA%E7%9A%84%E9%97%AE%E9%A2%98/">uWSGI listen queue of socket full 队列溢出的问题 <span class="entry-date"><time datetime="2018-03-28T00:00:00+00:00">March 28, 2018</time></span></a></article></li>
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<li><article><a href="http://localhost:4000/articles/Nginx%E9%9D%99%E6%80%81%E8%B5%84%E6%BA%90%E8%B7%A8%E5%9F%9F%E8%AE%BE%E7%BD%AE/">Nginx静态资源跨域设置 <span class="entry-date"><time datetime="2018-03-28T00:00:00+00:00">March 28, 2018</time></span></a></article></li>

‎_site/articles/uWSGI-listen-queue-of-socket-full-队列溢出的问题/index.html‎

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<a href="http://localhost:4000/articles/Nginx%E9%9D%99%E6%80%81%E8%B5%84%E6%BA%90%E8%B7%A8%E5%9F%9F%E8%AE%BE%E7%BD%AE/" class="btn" title="Nginx静态资源跨域设置">Previous article</a>
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<a href="http://localhost:4000/articles/docker-ubuntu%E4%B8%AD%E4%BD%BF%E7%94%A8Elasticsearch%E9%81%87%E5%88%B0%E7%9A%84%E9%94%99%E8%AF%AF%E9%9B%86%E5%90%88/" class="btn" title="docker 中的 ubuntu 使用 Elasticsearch 遇到的错误集合">Next article</a>
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