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@@ -253,7 +253,7 @@ <h1 id="求值也有顺序之分"><a href="#求值也有顺序之分" class="hea
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@@ -241,7 +241,7 @@ <h1 id="代码实现"><a href="#代码实现" class="headerlink" title="代码
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@@ -244,7 +244,7 @@ <h1 id="基本语法"><a href="#基本语法" class="headerlink" title="基本
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@@ -233,7 +233,7 @@ <h1 id="打家劫舍III"><a href="#打家劫舍III" class="headerlink" title="
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@@ -14,7 +14,7 @@
 <meta property="og:description" content="我嘅理解: 线性DP就是用 for 循环实现的 dp, 不依赖于任何嘅数据结构.   https:&#x2F;&#x2F;leetcode.cn&#x2F;problems&#x2F;extra-characters-in-a-string&#x2F; 123456789101112class Solution:    def minExtraChar(self, s: str, dictionary: List[str]) -&gt; int:">
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index f40c218..b56892e 100644
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@@ -14,7 +14,7 @@
 <meta property="og:description" content="2023 12月 Training plan今个月的重点:    滑动窗口 递归 DP  滑动窗口统计最大元素出现至少 K 次的子数组给你一个整数数组 nums 和一个 正整数 k 。请你统计有多少满足 「 nums 中的 最大 元素」至少出现 k 次的子数组，并返回满足这一条件的子数组的数目。子数组是数组中的一个连续元素序列。   示例 1：输入：nums &#x3D; [1,3,2,3,3], k &#x3D;">
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+        <ol class="toc"><li class="toc-item toc-level-1"><a class="toc-link" href="#What%E2%80%99s-MapReduce"><span class="toc-number">1.</span> <span class="toc-text">What’s MapReduce?</span></a></li><li class="toc-item toc-level-1"><a class="toc-link" href="#Why-MapReduce"><span class="toc-number">2.</span> <span class="toc-text">Why MapReduce?</span></a></li><li class="toc-item toc-level-1"><a class="toc-link" href="#Programming-Model"><span class="toc-number">3.</span> <span class="toc-text">Programming Model</span></a></li></ol>
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+    <h1 id="What’s-MapReduce"><a href="#What’s-MapReduce" class="headerlink" title="What’s MapReduce?"></a>What’s MapReduce?</h1><p>A programming model which users can specify a <code>map</code> function that processes a key/value pair to generate a set of intermediate key/value pairs, and a <code>reduce</code> function that merges all intermediate values associated with the same intermediate key.</p>
+<p>The run-time system takes care of the detail of <code>partitioning</code> the input data, scheduling the program’s execution across <code>a set of machines</code>, handling machine failures, and managing the required inter-machine communication.</p>
+<h1 id="Why-MapReduce"><a href="#Why-MapReduce" class="headerlink" title="Why MapReduce?"></a>Why MapReduce?</h1><p>Allow us to express the simple computations we were trying to perform but hides the messy   <code>details of parallelization, fault-tolerance, data distribution and load balancing in a library</code>. </p>
+<h1 id="Programming-Model"><a href="#Programming-Model" class="headerlink" title="Programming Model"></a>Programming Model</h1><p>Expressing the computation as 2 functions: <code>Map</code> and <code>Reduce</code>.  </p>
+<p>Map: takes an input pair and produces a set of intermediate key/value pairs, and then groups together all intermediate values associated with the same intermediate key “I” and passes them to the <code>Reduce</code> function.  </p>
+<p>Reuce: accepts an intermediate key “I” and a set of values for that keys. It merges together these values to form a possibly smaller set of values.  </p>
+<p>types:  </p>
+<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">map (k1, v1) -&gt; list(k2, v2)</span><br><span class="line">reduce (k2, list(v2)) -&gt; list(v2)</span><br></pre></td></tr></table></figure>
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-          <p>Hi! I am Stepfen Shawn, a 19 years old guy from Guangzhou, China.<br>I want to be a big data engineer, and my dream city is Hong Kong or San Francisco.</p>
+          <p>Hi! I am Stepfen Shawn, a 19 years old guy from Guangzhou, China.  </p>
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+<li>Database: MySql, DuckDB</li>
+<li>Compiler optimization for BigData</li>
+<li>Distributed Systems</li>
+<li>Full-Stack Web Technologies</li>
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-<p>I started coding at the age of 13, and my passion for programming never dies!!!</p>
+<p>And more, I write a lot FP (Functinal Programming).<br>I started coding at the age of 13, and my passion for programming never dies!!!  </p>
 
         
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+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=5" />
+    <meta name="description" content="I started coding at the age of 13, and I&#39;ve never been tired of it!  Now I&#39;m a 19 years old guy, a part-time financial quant developer, focusing on C++, Rust, Python and SQL !!!">
+<meta property="og:type" content="website">
+<meta property="og:title" content="Stepfen Shawn">
+<meta property="og:url" content="https://stepfenshawn.github.io/archives/2024/03/index.html">
+<meta property="og:site_name" content="Stepfen Shawn">
+<meta property="og:description" content="I started coding at the age of 13, and I&#39;ve never been tired of it!  Now I&#39;m a 19 years old guy, a part-time financial quant developer, focusing on C++, Rust, Python and SQL !!!">
+<meta property="og:locale" content="en_US">
+<meta property="article:author" content="Stepfen Shawn">
+<meta name="twitter:card" content="summary">
+    
+    
+      
+        
+          <link rel="shortcut icon" href="/images/favicon.ico">
+        
+      
+      
+        
+          <link rel="icon" type="image/png" href="/images/favicon-192x192.png" sizes="192x192">
+        
+      
+      
+        
+          <link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon.png">
+        
+      
+    
+    <!-- title -->
+    <title>Writing: 2024/3</title>
+    <!-- async scripts -->
+    <!-- Google Analytics -->
+
+
+    <!-- Umami Analytics -->
+
+
+    <!-- styles -->
+    
+<link rel="stylesheet" href="/css/style.css">
+
+    <!-- persian styles -->
+    
+    <!-- rss -->
+    
+    
+	<!-- mathjax -->
+	
+<meta name="generator" content="Hexo 5.4.2"></head>
+
+<body class="max-width mx-auto px3 ltr">
+    
+    <div class="content index py4 ">
+        
+          <header id="header">
+  <a class="u-url u-uid" href="/">
+  
+    
+      <img id="logo" alt class="u-logo" src="/images/avatar.png" />
+    
+  
+    <div id="title">
+      <h1 class="p-name">Stepfen Shawn</h1>
+    </div>
+  </a>
+  <div id="nav">
+    <ul>
+      <li class="icon">
+        <a href="#" aria-label="Menu"><i class="fa-solid fa-bars fa-2x"></i></a>
+      </li>
+      <!--
+     --><li><a href="/">Home</a></li><!--
+   --><!--
+     --><li><a href="/about/">About</a></li><!--
+   --><!--
+     --><li><a href="/archives/">Writing</a></li><!--
+   --><!--
+     --><li><a href="/search/">Search</a></li><!--
+   -->
+    </ul>
+  </div>
+</header>
+
+        
+        <div id="archive">
+  <ul class="post-list">
+    
+    
+    
+    
+      
+      
+      
+      
+        <li class="post-year"><h2>2024</h2></li>
+      
+      <li class="post-item">
+        
+    <div class="meta">
+      
+        
+          <time datetime="2024-03-06T11:48:34.000Z" class="dt-published" itemprop="datePublished">2024-03-06</time>
+        
+      
+    </div>
+
+
+        <span>
+    
+        <a class="" href="/2024/03/06/notes/paper_map_reduce/">My notes of paper &#34; MapReduce Simplified Data Processing on Large Clusters &#34;</a>
+    
+
+
+</span>
+      </li>
+    
+  </ul>
+  
+
+</div>
+
+        
+        <footer id="footer">
+  <div class="footer-left">
+    Copyright &copy;
+    
+    
+    2018-2024
+    Stepfen Shawn
+  </div>
+  <div class="footer-right">
+    <nav>
+      <ul>
+        <!--
+       --><li><a href="/">Home</a></li><!--
+     --><!--
+       --><li><a href="/about/">About</a></li><!--
+     --><!--
+       --><li><a href="/archives/">Writing</a></li><!--
+     --><!--
+       --><li><a href="/search/">Search</a></li><!--
+     -->
+      </ul>
+    </nav>
+  </div>
+</footer>
+
+    </div>
+    <!-- styles -->
+
+
+
+  <link rel="preload" as="style" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css" crossorigin="anonymous" onload="this.onload=null;this.rel='stylesheet'"/>
+
+
+    <!-- jquery -->
+
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js" crossorigin="anonymous"></script>
+
+
+
+
+<!-- clipboard -->
+
+
+<script src="/js/main.js"></script>
+
+<!-- search -->
+
+<!-- Baidu Analytics -->
+
+<!-- Cloudflare Analytics -->
+
+<!-- Disqus Comments -->
+
+<!-- utterances Comments -->
+
+</body>
+</html>
diff --git a/archives/2024/index.html b/archives/2024/index.html
new file mode 100644
index 0000000..5ff2b56
--- /dev/null
+++ b/archives/2024/index.html
@@ -0,0 +1,186 @@
+<!DOCTYPE html>
+<html lang=en>
+<head>
+    <!-- so meta -->
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="HandheldFriendly" content="True">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=5" />
+    <meta name="description" content="I started coding at the age of 13, and I&#39;ve never been tired of it!  Now I&#39;m a 19 years old guy, a part-time financial quant developer, focusing on C++, Rust, Python and SQL !!!">
+<meta property="og:type" content="website">
+<meta property="og:title" content="Stepfen Shawn">
+<meta property="og:url" content="https://stepfenshawn.github.io/archives/2024/index.html">
+<meta property="og:site_name" content="Stepfen Shawn">
+<meta property="og:description" content="I started coding at the age of 13, and I&#39;ve never been tired of it!  Now I&#39;m a 19 years old guy, a part-time financial quant developer, focusing on C++, Rust, Python and SQL !!!">
+<meta property="og:locale" content="en_US">
+<meta property="article:author" content="Stepfen Shawn">
+<meta name="twitter:card" content="summary">
+    
+    
+      
+        
+          <link rel="shortcut icon" href="/images/favicon.ico">
+        
+      
+      
+        
+          <link rel="icon" type="image/png" href="/images/favicon-192x192.png" sizes="192x192">
+        
+      
+      
+        
+          <link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon.png">
+        
+      
+    
+    <!-- title -->
+    <title>Writing: 2024</title>
+    <!-- async scripts -->
+    <!-- Google Analytics -->
+
+
+    <!-- Umami Analytics -->
+
+
+    <!-- styles -->
+    
+<link rel="stylesheet" href="/css/style.css">
+
+    <!-- persian styles -->
+    
+    <!-- rss -->
+    
+    
+	<!-- mathjax -->
+	
+<meta name="generator" content="Hexo 5.4.2"></head>
+
+<body class="max-width mx-auto px3 ltr">
+    
+    <div class="content index py4 ">
+        
+          <header id="header">
+  <a class="u-url u-uid" href="/">
+  
+    
+      <img id="logo" alt class="u-logo" src="/images/avatar.png" />
+    
+  
+    <div id="title">
+      <h1 class="p-name">Stepfen Shawn</h1>
+    </div>
+  </a>
+  <div id="nav">
+    <ul>
+      <li class="icon">
+        <a href="#" aria-label="Menu"><i class="fa-solid fa-bars fa-2x"></i></a>
+      </li>
+      <!--
+     --><li><a href="/">Home</a></li><!--
+   --><!--
+     --><li><a href="/about/">About</a></li><!--
+   --><!--
+     --><li><a href="/archives/">Writing</a></li><!--
+   --><!--
+     --><li><a href="/search/">Search</a></li><!--
+   -->
+    </ul>
+  </div>
+</header>
+
+        
+        <div id="archive">
+  <ul class="post-list">
+    
+    
+    
+    
+      
+      
+      
+      
+        <li class="post-year"><h2>2024</h2></li>
+      
+      <li class="post-item">
+        
+    <div class="meta">
+      
+        
+          <time datetime="2024-03-06T11:48:34.000Z" class="dt-published" itemprop="datePublished">2024-03-06</time>
+        
+      
+    </div>
+
+
+        <span>
+    
+        <a class="" href="/2024/03/06/notes/paper_map_reduce/">My notes of paper &#34; MapReduce Simplified Data Processing on Large Clusters &#34;</a>
+    
+
+
+</span>
+      </li>
+    
+  </ul>
+  
+
+</div>
+
+        
+        <footer id="footer">
+  <div class="footer-left">
+    Copyright &copy;
+    
+    
+    2018-2024
+    Stepfen Shawn
+  </div>
+  <div class="footer-right">
+    <nav>
+      <ul>
+        <!--
+       --><li><a href="/">Home</a></li><!--
+     --><!--
+       --><li><a href="/about/">About</a></li><!--
+     --><!--
+       --><li><a href="/archives/">Writing</a></li><!--
+     --><!--
+       --><li><a href="/search/">Search</a></li><!--
+     -->
+      </ul>
+    </nav>
+  </div>
+</footer>
+
+    </div>
+    <!-- styles -->
+
+
+
+  <link rel="preload" as="style" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css" crossorigin="anonymous" onload="this.onload=null;this.rel='stylesheet'"/>
+
+
+    <!-- jquery -->
+
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js" crossorigin="anonymous"></script>
+
+
+
+
+<!-- clipboard -->
+
+
+<script src="/js/main.js"></script>
+
+<!-- search -->
+
+<!-- Baidu Analytics -->
+
+<!-- Cloudflare Analytics -->
+
+<!-- Disqus Comments -->
+
+<!-- utterances Comments -->
+
+</body>
+</html>
diff --git a/archives/index.html b/archives/index.html
index 5c95047..2adb00e 100644
--- a/archives/index.html
+++ b/archives/index.html
@@ -99,6 +99,32 @@ <h1 class="p-name">Stepfen Shawn</h1>
       
       
       
+        <li class="post-year"><h2>2024</h2></li>
+      
+      <li class="post-item">
+        
+    <div class="meta">
+      
+        
+          <time datetime="2024-03-06T11:48:34.000Z" class="dt-published" itemprop="datePublished">2024-03-06</time>
+        
+      
+    </div>
+
+
+        <span>
+    
+        <a class="" href="/2024/03/06/notes/paper_map_reduce/">My notes of paper &#34; MapReduce Simplified Data Processing on Large Clusters &#34;</a>
+    
+
+
+</span>
+      </li>
+    
+      
+      
+      
+      
         <li class="post-year"><h2>2023</h2></li>
       
       <li class="post-item">
@@ -572,7 +598,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/css/style.css b/css/style.css
index 9325e7d..5cd9d8d 100644
--- a/css/style.css
+++ b/css/style.css
@@ -321,7 +321,7 @@ body .h1 {
   display: block;
   margin-top: 3rem;
   margin-bottom: 1rem;
-  color: #cc2a41;
+  color: #2bbc8a;
   letter-spacing: 0.01em;
   font-weight: 700;
   font-style: normal;
@@ -335,14 +335,14 @@ body .h2 {
   display: block;
   margin-top: 2rem;
   margin-bottom: 0.5rem;
-  color: rgba(86,124,119,0.8);
+  color: #eee;
   text-transform: none;
   letter-spacing: normal;
   font-weight: bold;
   font-size: 1rem;
 }
 body h3 {
-  color: rgba(86,124,119,0.8);
+  color: #eee;
   text-decoration: underline;
   font-weight: bold;
   font-size: 0.9rem;
@@ -352,7 +352,7 @@ body h5,
 body h6 {
   display: inline;
   text-decoration: none;
-  color: #666;
+  color: #ccc;
   font-weight: bold;
   font-size: 0.9rem;
 }
@@ -364,7 +364,7 @@ body h6 {
   margin-bottom: 0.5rem;
 }
 body hr {
-  border: 0.5px dashed #666;
+  border: 0.5px dashed #ccc;
   opacity: 0.5;
   margin: 0;
   margin-top: 20px;
@@ -425,8 +425,8 @@ body table {
 }
 body th {
   padding: 8px;
-  border-bottom: 1px dashed #666;
-  color: rgba(86,124,119,0.8);
+  border-bottom: 1px dashed #908d8d;
+  color: #eee;
   font-weight: bold;
   font-size: 13px;
 }
@@ -447,7 +447,7 @@ body td {
 /* Scroll bar */
 /* For Firefox */
 * {
-  scrollbar-color: #aaa transparent;
+  scrollbar-color: #999 transparent;
 }
 /* For Chrome, Edge, and Safari */
 *::-webkit-scrollbar {
@@ -458,28 +458,28 @@ body td {
   background: transparent;
 }
 *::-webkit-scrollbar-thumb {
-  background-color: #aaa;
+  background-color: #999;
   border-radius: 6px;
 }
 *::-webkit-scrollbar-thumb:hover {
-  background-color: #888;
+  background-color: #7a7a7a;
 }
 *::-webkit-scrollbar-thumb:active {
-  background-color: #777;
+  background-color: #6b6b6b;
 }
 html {
   margin: 0;
   padding: 0;
   height: 100%;
-  border-top: 2px solid #22272a;
+  border-top: 2px solid #c9cacc;
   -webkit-text-size-adjust: 100%;
   -ms-text-size-adjust: 100%;
 }
 body {
   margin: 0;
   height: 100%;
-  background-color: #fafafa;
-  color: #22272a;
+  background-color: #1d1f21;
+  color: #c9cacc;
   font-weight: 400;
   font-size: 14px;
   font-family: "Menlo", "Meslo LG", monospace;
@@ -508,21 +508,21 @@ body {
   -webkit-hyphens: manual;
 }
 .content a {
-  color: #22272a;
+  color: #c9cacc;
   text-decoration: none;
-  background-image: linear-gradient(transparent, transparent 5px, #22272a 5px, #22272a);
+  background-image: linear-gradient(transparent, transparent 5px, #c9cacc 5px, #c9cacc);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
 }
 .content a:hover {
-  background-image: linear-gradient(transparent, transparent 4px, rgba(86,124,119,0.4) 4px, rgba(86,124,119,0.4));
+  background-image: linear-gradient(transparent, transparent 4px, #d480aa 4px, #d480aa);
 }
 .content a.icon {
   background: none;
 }
 .content a.icon:hover {
-  color: rgba(86,124,119,0.4);
+  color: #d480aa;
 }
 .content h1 a,
 .content .h1 a,
@@ -542,7 +542,7 @@ body {
 .content h4 a:hover,
 .content h5 a:hover,
 .content h6 a:hover {
-  background-image: linear-gradient(transparent, transparent 6px, rgba(86,124,119,0.4) 6px, rgba(86,124,119,0.4));
+  background-image: linear-gradient(transparent, transparent 6px, #d480aa 6px, #d480aa);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
@@ -553,7 +553,7 @@ body {
   text-decoration: none;
 }
 .content h6 a:hover {
-  background-image: linear-gradient(transparent, transparent 6px, rgba(86,124,119,0.4) 6px, rgba(86,124,119,0.4));
+  background-image: linear-gradient(transparent, transparent 6px, #d480aa 6px, #d480aa);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
@@ -597,7 +597,7 @@ body {
 #header .h1 {
   margin-top: 0;
   margin-bottom: 0;
-  color: #22272a;
+  color: #c9cacc;
   letter-spacing: 0.01em;
   font-weight: 700;
   font-style: normal;
@@ -622,7 +622,7 @@ body {
   background-repeat: no-repeat;
 }
 #header #nav {
-  color: #cc2a41;
+  color: #2bbc8a;
   letter-spacing: 0.01em;
   font-weight: 200;
   font-style: normal;
@@ -636,10 +636,10 @@ body {
 }
 #header #nav ul a {
   margin-right: 15px;
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 #header #nav ul a:hover {
-  background-image: linear-gradient(transparent, transparent 5px, #cc2a41 5px, #cc2a41);
+  background-image: linear-gradient(transparent, transparent 5px, #2bbc8a 5px, #2bbc8a);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
@@ -648,7 +648,7 @@ body {
   display: inline-block;
   margin-right: 15px;
   border-right: 1px dotted;
-  border-color: #cc2a41;
+  border-color: #2bbc8a;
   vertical-align: middle;
 }
 #header #nav ul .icon {
@@ -716,7 +716,7 @@ body {
   background: none;
 }
 #header-post a.icon:hover {
-  color: rgba(86,124,119,0.4);
+  color: #d480aa;
 }
 #header-post ol {
   list-style-type: none;
@@ -741,7 +741,7 @@ body {
   margin-left: 15px;
 }
 #header-post #menu-icon:hover {
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 #header-post #menu-icon-tablet {
   float: right;
@@ -749,7 +749,7 @@ body {
   margin-left: 15px;
 }
 #header-post #menu-icon-tablet:hover {
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 #header-post #top-icon-tablet {
   position: fixed;
@@ -759,17 +759,17 @@ body {
   margin-left: 15px;
 }
 #header-post #top-icon-tablet:hover {
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 #header-post .active {
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 #header-post #menu {
   display: none;
   margin-right: 2rem;
 }
 #header-post #nav {
-  color: #cc2a41;
+  color: #2bbc8a;
   letter-spacing: 0.01em;
   font-weight: 200;
   font-style: normal;
@@ -780,16 +780,16 @@ body {
 }
 #header-post #nav ul a {
   margin-right: 15px;
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 #header-post #nav ul a:hover {
-  background-image: linear-gradient(transparent, transparent 5px, #cc2a41 5px, #cc2a41);
+  background-image: linear-gradient(transparent, transparent 5px, #2bbc8a 5px, #2bbc8a);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
 }
 #header-post #nav ul li {
-  border-right: 1px dotted #cc2a41;
+  border-right: 1px dotted #2bbc8a;
 }
 #header-post #nav ul li:last-child {
   margin-right: 0;
@@ -833,25 +833,25 @@ body {
   text-align: right;
 }
 #header-post #toc a:hover {
-  color: rgba(86,124,119,0.4);
+  color: #d480aa;
 }
 #header-post #toc .toc-level-1 > .toc-link {
   display: none;
 }
 #header-post #toc .toc-level-2 {
-  color: #22272a;
+  color: #c9cacc;
   font-size: 0.8rem;
 }
 #header-post #toc .toc-level-2:before {
-  color: #cc2a41;
+  color: #2bbc8a;
   content: "#";
 }
 #header-post #toc .toc-level-3 {
-  color: #666;
+  color: #908d8d;
   font-size: 0.7rem;
 }
 #header-post #toc .toc-level-4 {
-  color: #525252;
+  color: #747070;
   font-size: 0.4rem;
 }
 #header-post #toc .toc-level-5 {
@@ -919,8 +919,8 @@ body {
   left: 0;
   z-index: 5000000;
   width: 100%;
-  border-top: 1px solid #666;
-  background: #f5f5f5;
+  border-top: 1px solid #908d8d;
+  background: #212326;
   transition: opacity 0.2s;
 }
 #footer-post a {
@@ -932,20 +932,20 @@ body {
   background: none;
 }
 #footer-post a.icon:hover {
-  color: rgba(86,124,119,0.4);
+  color: #d480aa;
 }
 #footer-post #nav-footer {
   padding-right: 1rem;
   padding-left: 1rem;
-  background: #e1e1e1;
+  background: #323539;
   text-align: center;
 }
 #footer-post #nav-footer a {
-  color: #cc2a41;
+  color: #2bbc8a;
   font-size: 1em;
 }
 #footer-post #nav-footer a:hover {
-  background-image: linear-gradient(transparent, transparent 5px, #cc2a41 5px, #cc2a41);
+  background-image: linear-gradient(transparent, transparent 5px, #2bbc8a 5px, #2bbc8a);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
@@ -976,12 +976,12 @@ body {
 #footer-post #actions-footer a {
   display: inline-block;
   padding-left: 1rem;
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 #footer-post #share-footer {
   padding-right: 1rem;
   padding-left: 1rem;
-  background: #e1e1e1;
+  background: #323539;
   text-align: center;
 }
 #footer-post #share-footer ul {
@@ -1001,7 +1001,7 @@ body {
   clear: both;
   padding-top: 1rem;
   padding-bottom: 1rem;
-  background: #e1e1e1;
+  background: #323539;
   text-align: left;
 }
 #footer-post #toc-footer ol {
@@ -1013,21 +1013,21 @@ body {
   line-height: 30px;
 }
 #footer-post #toc-footer a:hover {
-  color: rgba(86,124,119,0.4);
+  color: #d480aa;
 }
 #footer-post #toc-footer .toc-level-1 > .toc-link {
   display: none;
 }
 #footer-post #toc-footer .toc-level-2 {
-  color: #22272a;
+  color: #c9cacc;
   font-size: 0.8rem;
 }
 #footer-post #toc-footer .toc-level-2:before {
-  color: #cc2a41;
+  color: #2bbc8a;
   content: "#";
 }
 #footer-post #toc-footer .toc-level-3 {
-  color: #666;
+  color: #908d8d;
   font-size: 0.7rem;
   line-height: 15px;
 }
@@ -1060,7 +1060,7 @@ body {
   display: block;
   margin-right: 16px;
   min-width: 100px;
-  color: #666;
+  color: #908d8d;
   font-size: 14px;
 }
 @media (min-width: 480px) {
@@ -1094,7 +1094,7 @@ article header .meta {
   margin-bottom: 1rem;
 }
 article header .meta * {
-  color: #666;
+  color: #ccc;
   font-size: 0.85rem;
 }
 article header .author {
@@ -1109,7 +1109,7 @@ article .content h2:before {
   position: absolute;
   top: -4px;
   left: -1rem;
-  color: #cc2a41;
+  color: #2bbc8a;
   content: "#";
   font-weight: bold;
   font-size: 1.2rem;
@@ -1141,7 +1141,7 @@ article .content blockquote {
   margin: 1rem 10px;
   padding: 0.5em 10px;
   background: inherit;
-  color: #cc2a41;
+  color: #ccffb6;
   quotes: "\201C" "\201D" "\2018" "\2019";
   font-weight: bold;
 }
@@ -1150,7 +1150,7 @@ article .content blockquote p {
 }
 article .content blockquote:before {
   margin-right: 0.25em;
-  color: #cc2a41;
+  color: #ccffb6;
   content: "\201C";
   vertical-align: -0.4em;
   font-size: 2em;
@@ -1158,16 +1158,16 @@ article .content blockquote:before {
 }
 article .content blockquote footer {
   margin: line-height 0;
-  color: #666;
+  color: #908d8d;
   font-size: 12px;
 }
 article .content blockquote footer a {
-  background-image: linear-gradient(transparent, transparent 5px, #666 5px, #666);
-  color: #666;
+  background-image: linear-gradient(transparent, transparent 5px, #908d8d 5px, #908d8d);
+  color: #908d8d;
 }
 article .content blockquote footer a:hover {
-  background-image: linear-gradient(transparent, transparent 4px, #858585 4px, #858585);
-  color: #858585;
+  background-image: linear-gradient(transparent, transparent 4px, #a6a4a4 4px, #a6a4a4);
+  color: #a6a4a4;
 }
 article .content blockquote footer cite:before {
   padding: 0 0.5em;
@@ -1190,7 +1190,7 @@ article .content .caption {
   position: relative;
   display: block;
   margin-top: 0.5em;
-  color: #666;
+  color: #908d8d;
   text-align: center;
   font-size: 0.9em;
 }
@@ -1200,7 +1200,7 @@ article .content .caption {
   line-height: 1.25;
 }
 .article-tag .tag-link {
-  background-image: linear-gradient(transparent, transparent 10px, rgba(86,124,119,0.4) 10px, rgba(86,124,119,0.4));
+  background-image: linear-gradient(transparent, transparent 10px, #d480aa 10px, #d480aa);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
@@ -1209,7 +1209,7 @@ article .content .caption {
   content: "#";
 }
 .article-category .category-link {
-  background-image: linear-gradient(transparent, transparent 10px, rgba(86,124,119,0.4) 10px, rgba(86,124,119,0.4));
+  background-image: linear-gradient(transparent, transparent 10px, #d480aa 10px, #d480aa);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
@@ -1239,7 +1239,7 @@ article .content .caption {
   display: block;
   margin-right: 16px;
   min-width: 100px;
-  color: #666;
+  color: #908d8d;
   font-size: 14px;
 }
 @media (min-width: 480px) {
@@ -1260,7 +1260,7 @@ article .content .caption {
   bottom: 0;
   margin-bottom: 10px;
   width: 100%;
-  color: #666;
+  color: #908d8d;
   vertical-align: top;
   text-align: center;
   font-size: 12px;
@@ -1274,7 +1274,7 @@ article .content .caption {
   display: inline-block;
   margin-right: 15px;
   border-right: 1px solid;
-  border-color: #666;
+  border-color: #908d8d;
   vertical-align: middle;
 }
 #footer li a {
@@ -1288,12 +1288,12 @@ article .content .caption {
   margin-right: 0;
 }
 #footer a {
-  color: #666;
+  color: #908d8d;
   text-decoration: underline;
   background-image: none;
 }
 #footer a:hover {
-  color: #858585;
+  color: #a6a4a4;
 }
 #footer .footer-left {
   height: 20px;
@@ -1324,36 +1324,36 @@ article .content .caption {
   text-align: center;
 }
 .pagination .page-number {
-  color: #22272a;
+  color: #c9cacc;
   font-size: 0.8rem;
 }
 .pagination a {
   padding: 4px 6px;
   border-radius: 5px;
   background-image: none;
-  color: #22272a;
+  color: #c9cacc;
   text-decoration: none;
 }
 .pagination a:hover {
   background-image: none;
 }
 .pagination a:hover:not(.active) {
-  color: rgba(86,124,119,0.8);
+  color: #eee;
 }
 .search-input {
   padding: 4px 7px;
   width: 100%;
   outline: none;
-  border: solid 1px #666;
+  border: solid 1px #ccc;
   border-radius: 5px;
-  background-color: #fafafa;
-  color: #22272a;
+  background-color: #1d1f21;
+  color: #c9cacc;
   font-size: 1.2rem;
   -webkit-border-radius: 5px;
   -moz-border-radius: 5px;
 }
 .search-input:focus {
-  border: solid 1px #cc2a41;
+  border: solid 1px #2bbc8a;
 }
 #search-result ul.search-result-list {
   padding: 0;
@@ -1364,7 +1364,7 @@ article .content .caption {
 }
 #search-result a.search-result-title {
   background-image: none;
-  color: #22272a;
+  color: #c9cacc;
   text-transform: capitalize;
   font-weight: bold;
   line-height: 1.2;
@@ -1377,17 +1377,17 @@ article .content .caption {
   font-size: 0.8em;
 }
 #search-result em.search-keyword {
-  border-bottom: 1px dashed rgba(86,124,119,0.4);
-  color: rgba(86,124,119,0.4);
+  border-bottom: 1px dashed #d480aa;
+  color: #d480aa;
   font-weight: bold;
 }
 .search-no-result {
   display: none;
   padding-bottom: 0.5em;
-  color: #22272a;
+  color: #c9cacc;
 }
 #tag-cloud .tag-cloud-title {
-  color: #666;
+  color: #908d8d;
 }
 #tag-cloud .tag-cloud-tags {
   clear: both;
@@ -1406,7 +1406,7 @@ article .content .caption {
   display: none;
   padding: 0.2em 0.5em;
   -webkit-font-smoothing: subpixel-antialiased;
-  color: #fafafa;
+  color: #1d1f21;
   font-display: swap;
   font-weight: 400;
   font-size: 11.200000000000001px;
@@ -1417,7 +1417,7 @@ article .content .caption {
   word-wrap: break-word;
   white-space: pre;
   content: attr(aria-label);
-  background: #22272a;
+  background: #c9cacc;
   border-radius: 3px;
   opacity: 0;
 }
@@ -1427,7 +1427,7 @@ article .content .caption {
   display: none;
   width: 0;
   height: 0;
-  color: #22272a;
+  color: #c9cacc;
   pointer-events: none;
   content: '';
   border: 6px solid transparent;
@@ -1458,7 +1458,7 @@ article .content .caption {
   right: 50%;
   bottom: -7px;
   margin-right: -6px;
-  border-bottom-color: #22272a;
+  border-bottom-color: #c9cacc;
 }
 .tooltipped-sw::after {
   margin-right: -16px;
@@ -1499,10 +1499,10 @@ article .content .caption {
   }
 }
 #categories .category-list-title {
-  color: #666;
+  color: #908d8d;
 }
 #categories .category-list .category-list-item .category-list-count {
-  color: #666;
+  color: #908d8d;
 }
 #categories .category-list .category-list-item .category-list-count:before {
   content: " (";
@@ -1511,84 +1511,73 @@ article .content .caption {
   content: ")";
 }
 .highlight {
-  color: #333;
-  background: #f8f8f8;
+  background: #474949;
+  color: #d1d9e1;
 }
 .highlight .code .comment,
 .highlight .code .quote {
-  color: #998;
+  color: #969896;
   font-style: italic;
 }
 .highlight .code .keyword,
 .highlight .code .selector-tag,
-.highlight .code .subst {
-  color: #333;
-  font-weight: bold;
+.highlight .code .literal,
+.highlight .code .type,
+.highlight .code .addition {
+  color: #c9c;
 }
 .highlight .code .number,
-.highlight .code .literal,
-.highlight .code .variable,
-.highlight .code .template-variable,
-.highlight .code .tag .attr {
-  color: #008080;
+.highlight .code .selector-attr,
+.highlight .code .selector-pseudo {
+  color: #f99157;
 }
 .highlight .code .string,
-.highlight .code .doctag {
-  color: #d14;
+.highlight .code .doctag,
+.highlight .code .regexp {
+  color: #8abeb7;
 }
 .highlight .code .title,
+.highlight .code .name,
 .highlight .code .section,
-.highlight .code .selector-id {
-  color: #900;
-  font-weight: bold;
-}
-.highlight .code .subst {
-  font-weight: normal;
+.highlight .code .built_in {
+  color: #b5bd68;
 }
-.highlight .code .type,
+.highlight .code .variable,
+.highlight .code .template-variable,
+.highlight .code .selector-id,
 .highlight .code .class .title {
-  color: #458;
-  font-weight: bold;
+  color: #fc6;
 }
-.highlight .code .tag,
+.highlight .code .section,
 .highlight .code .name,
-.highlight .code .attribute {
-  color: #000080;
-  font-weight: normal;
-}
-.highlight .code .regexp,
-.highlight .code .link {
-  color: #009926;
+.highlight .code .strong {
+  font-weight: bold;
 }
 .highlight .code .symbol,
-.highlight .code .bullet {
-  color: #990073;
-}
-.highlight .code .built_in,
-.highlight .code .builtin-name {
-  color: #0086b3;
-}
-.highlight .code .meta {
-  color: #999;
-  font-weight: bold;
+.highlight .code .bullet,
+.highlight .code .subst,
+.highlight .code .meta,
+.highlight .code .link {
+  color: #f99157;
 }
 .highlight .code .deletion {
-  background: #fdd;
+  color: #dc322f;
 }
-.highlight .code .addition {
-  background: #dfd;
+.highlight .code .formula {
+  background: #eee8d5;
+}
+.highlight .code .attr,
+.highlight .code .attribute {
+  color: #81a2be;
 }
 .highlight .code .emphasis {
   font-style: italic;
 }
-.highlight .code .strong {
-  font-weight: bold;
-}
 pre {
   overflow-x: auto;
   padding: 10px 15px;
   padding-bottom: 0;
-  border: 1px dotted #666;
+  border: 1px dotted #908d8d;
   border-radius: 4px;
   font-size: 13px;
   font-family: "Menlo", "Meslo LG", monospace;
@@ -1602,7 +1591,7 @@ pre code {
 }
 code {
   padding: 0 5px;
-  border: 1px dotted #666;
+  border: 1px dotted #908d8d;
   border-radius: 2px;
   -webkit-border-radius: 2px;
 }
@@ -1611,28 +1600,28 @@ code {
   margin: 1rem 0;
   padding: 10px 15px;
   border-radius: 4px;
-  background: #f5f5f5;
+  background: #212326;
   font-family: "Menlo", "Meslo LG", monospace;
   -webkit-border-radius: 4px;
 }
 .highlight figcaption {
   margin: -5px 0 5px;
-  color: #757575;
+  color: #908d8d;
   font-size: 0.9em;
   transform: scale(1);
 }
 .highlight figcaption a {
   float: right;
-  color: #757575;
+  color: #908d8d;
   font-style: italic;
   font-size: 0.8em;
-  background-image: linear-gradient(transparent, transparent 10px, rgba(86,124,119,0.4) 10px, rgba(86,124,119,0.4));
+  background-image: linear-gradient(transparent, transparent 10px, #d480aa 10px, #d480aa);
   background-position: bottom;
   background-size: 100% 6px;
   background-repeat: repeat-x;
 }
 .highlight figcaption a:hover {
-  color: #919191;
+  color: #a6a4a4;
 }
 .highlight figcaption:before,
 .highlight figcaption content: "" {
@@ -1652,7 +1641,7 @@ code {
   transition: opacity 0.2s ease-in;
 }
 .highlight .btn-copy:hover {
-  color: #cc2a41;
+  color: #2bbc8a;
 }
 .highlight pre {
   margin: 0;
diff --git a/index.html b/index.html
index a174e62..a82e125 100644
--- a/index.html
+++ b/index.html
@@ -154,7 +154,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-12-01T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-12-02</time>
+          <time datetime="2024-03-06T11:48:34.000Z" class="dt-published" itemprop="datePublished">2024-03-06</time>
         
       
     </div>
@@ -162,7 +162,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/12/02/training/202312/">Algorithms training - 2023 12月 Training plan</a>
+        <a class="" href="/2024/03/06/notes/paper_map_reduce/">My notes of paper &#34; MapReduce Simplified Data Processing on Large Clusters &#34;</a>
     
 
 
@@ -174,7 +174,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-11-01T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-11-02</time>
+          <time datetime="2023-12-01T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-12-02</time>
         
       
     </div>
@@ -182,7 +182,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/11/02/data/csv2parquet/">csv to parquet in duckdb. 使用 duckdb将csv文件转为 parquet.</a>
+        <a class="" href="/2023/12/02/training/202312/">Algorithms training - 2023 12月 Training plan</a>
     
 
 
@@ -194,7 +194,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-10-11T05:46:21.000Z" class="dt-published" itemprop="datePublished">2023-10-11</time>
+          <time datetime="2023-11-01T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-11-02</time>
         
       
     </div>
@@ -202,7 +202,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/10/11/mongodb_import_csv/">Import csv data to mongodb. MongoDB导入csv文件</a>
+        <a class="" href="/2023/11/02/data/csv2parquet/">csv to parquet in duckdb. 使用 duckdb将csv文件转为 parquet.</a>
     
 
 
@@ -214,7 +214,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-09-07T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-09-08</time>
+          <time datetime="2023-10-11T05:46:21.000Z" class="dt-published" itemprop="datePublished">2023-10-11</time>
         
       
     </div>
@@ -222,7 +222,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/09/08/alog/linear_dp/">Algorithms training - Linear DP. 算法训练(三) 线性DP.</a>
+        <a class="" href="/2023/10/11/mongodb_import_csv/">Import csv data to mongodb. MongoDB导入csv文件</a>
     
 
 
@@ -234,7 +234,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-09-01T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-09-02</time>
+          <time datetime="2023-09-07T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-09-08</time>
         
       
     </div>
@@ -242,7 +242,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/09/02/alog/dp_on_tree/">Algorithms training - DP on trees. 算法训练(二) 树上DP.</a>
+        <a class="" href="/2023/09/08/alog/linear_dp/">Algorithms training - Linear DP. 算法训练(三) 线性DP.</a>
     
 
 
@@ -254,7 +254,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-08-23T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-08-24</time>
+          <time datetime="2023-09-01T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-09-02</time>
         
       
     </div>
@@ -262,7 +262,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/08/24/alog/sliding_window/">Algorithms training - Sliding window algorithm. 算法训练(一) 滑动窗口.</a>
+        <a class="" href="/2023/09/02/alog/dp_on_tree/">Algorithms training - DP on trees. 算法训练(二) 树上DP.</a>
     
 
 
@@ -274,7 +274,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-08-17T07:40:21.000Z" class="dt-published" itemprop="datePublished">2023-08-17</time>
+          <time datetime="2023-08-23T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-08-24</time>
         
       
     </div>
@@ -282,7 +282,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/08/17/mysql_over_trick/">Mysql trick -- windows function. Mysql小技巧:窗口函数</a>
+        <a class="" href="/2023/08/24/alog/sliding_window/">Algorithms training - Sliding window algorithm. 算法训练(一) 滑动窗口.</a>
     
 
 
@@ -335,7 +335,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/page/2/index.html b/page/2/index.html
index 15a4892..7b24003 100644
--- a/page/2/index.html
+++ b/page/2/index.html
@@ -154,7 +154,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-07-19T01:11:21.000Z" class="dt-published" itemprop="datePublished">2023-07-19</time>
+          <time datetime="2023-08-17T07:40:21.000Z" class="dt-published" itemprop="datePublished">2023-08-17</time>
         
       
     </div>
@@ -162,7 +162,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/07/19/spark_bug_mark1/">Cluster on windows with spark. 用Spark搭建人生第一个Windows集群</a>
+        <a class="" href="/2023/08/17/mysql_over_trick/">Mysql trick -- windows function. Mysql小技巧:窗口函数</a>
     
 
 
@@ -174,7 +174,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-03-17T13:48:11.000Z" class="dt-published" itemprop="datePublished">2023-03-17</time>
+          <time datetime="2023-07-19T01:11:21.000Z" class="dt-published" itemprop="datePublished">2023-07-19</time>
         
       
     </div>
@@ -182,7 +182,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/03/17/derivation_program_in_lisp/">Create a derivation program in lisp. 用 Lisp 写个求导程序</a>
+        <a class="" href="/2023/07/19/spark_bug_mark1/">Cluster on windows with spark. 用Spark搭建人生第一个Windows集群</a>
     
 
 
@@ -194,7 +194,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2023-01-04T15:53:10.000Z" class="dt-published" itemprop="datePublished">2023-01-04</time>
+          <time datetime="2023-03-17T13:48:11.000Z" class="dt-published" itemprop="datePublished">2023-03-17</time>
         
       
     </div>
@@ -202,7 +202,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/01/04/how_to_eval_in_computer/">Dive into the programming language. 在编程语言中计算过程是如何求值的?</a>
+        <a class="" href="/2023/03/17/derivation_program_in_lisp/">Create a derivation program in lisp. 用 Lisp 写个求导程序</a>
     
 
 
@@ -214,7 +214,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2022-04-10T03:45:09.000Z" class="dt-published" itemprop="datePublished">2022-04-10</time>
+          <time datetime="2023-01-04T15:53:10.000Z" class="dt-published" itemprop="datePublished">2023-01-04</time>
         
       
     </div>
@@ -222,7 +222,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2022/04/10/cantonese/get_cvoid19_data_in_cantonese/">Get cvoid-19 data by Cantonese! 咩话? 用粤语编程语言获取疫情数据</a>
+        <a class="" href="/2023/01/04/how_to_eval_in_computer/">Dive into the programming language. 在编程语言中计算过程是如何求值的?</a>
     
 
 
@@ -234,7 +234,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2021-06-28T16:00:00.000Z" class="dt-published" itemprop="datePublished">2021-06-29</time>
+          <time datetime="2022-04-10T03:45:09.000Z" class="dt-published" itemprop="datePublished">2022-04-10</time>
         
       
     </div>
@@ -242,7 +242,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2021/06/29/cantonese/cantonese_pl/">Cantonese gets 700 stars on github! 粤语编程語言集齐700个stars喇!</a>
+        <a class="" href="/2022/04/10/cantonese/get_cvoid19_data_in_cantonese/">Get cvoid-19 data by Cantonese! 咩话? 用粤语编程语言获取疫情数据</a>
     
 
 
@@ -254,7 +254,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2020-12-20T14:32:55.000Z" class="dt-published" itemprop="datePublished">2020-12-20</time>
+          <time datetime="2021-06-28T16:00:00.000Z" class="dt-published" itemprop="datePublished">2021-06-29</time>
         
       
     </div>
@@ -262,7 +262,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2020/12/20/cantonese/first_cantonese_pl/">What 7 your code? It&#39;s Cantonese programming language! 整古做怪 -- 开发粤语編程語言</a>
+        <a class="" href="/2021/06/29/cantonese/cantonese_pl/">Cantonese gets 700 stars on github! 粤语编程語言集齐700个stars喇!</a>
     
 
 
@@ -274,7 +274,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     <div class="meta">
       
         
-          <time datetime="2020-07-22T14:10:52.000Z" class="dt-published" itemprop="datePublished">2020-07-22</time>
+          <time datetime="2020-12-20T14:32:55.000Z" class="dt-published" itemprop="datePublished">2020-12-20</time>
         
       
     </div>
@@ -282,7 +282,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2020/07/22/sql_inject_mark/">Dont be a SQL boy. Let&#39;s be a hacker. 记录一次 sql 注入</a>
+        <a class="" href="/2020/12/20/cantonese/first_cantonese_pl/">What 7 your code? It&#39;s Cantonese programming language! 整古做怪 -- 开发粤语編程語言</a>
     
 
 
@@ -337,7 +337,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/page/3/index.html b/page/3/index.html
index 69ca391..11a5619 100644
--- a/page/3/index.html
+++ b/page/3/index.html
@@ -149,6 +149,26 @@ <h1 class="p-name">Stepfen Shawn</h1>
       
     
     
+      <li class="post-item">
+        
+    <div class="meta">
+      
+        
+          <time datetime="2020-07-22T14:10:52.000Z" class="dt-published" itemprop="datePublished">2020-07-22</time>
+        
+      
+    </div>
+
+
+        <span>
+    
+        <a class="" href="/2020/07/22/sql_inject_mark/">Dont be a SQL boy. Let&#39;s be a hacker. 记录一次 sql 注入</a>
+    
+
+
+</span>
+      </li>
+    
       <li class="post-item">
         
     <div class="meta">
@@ -294,7 +314,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/search.xml b/search.xml
index c89a7cb..947925a 100644
--- a/search.xml
+++ b/search.xml
@@ -3,6 +3,25 @@
   
   
     
+    <entry>
+      <title>My notes of paper &quot; MapReduce Simplified Data Processing on Large Clusters &quot;</title>
+      <link href="/2024/03/06/notes/paper_map_reduce/"/>
+      <url>/2024/03/06/notes/paper_map_reduce/</url>
+      
+        <content type="html"><![CDATA[<h1 id="What’s-MapReduce"><a href="#What’s-MapReduce" class="headerlink" title="What’s MapReduce?"></a>What’s MapReduce?</h1><p>A programming model which users can specify a <code>map</code> function that processes a key/value pair to generate a set of intermediate key/value pairs, and a <code>reduce</code> function that merges all intermediate values associated with the same intermediate key.</p><p>The run-time system takes care of the detail of <code>partitioning</code> the input data, scheduling the program’s execution across <code>a set of machines</code>, handling machine failures, and managing the required inter-machine communication.</p><h1 id="Why-MapReduce"><a href="#Why-MapReduce" class="headerlink" title="Why MapReduce?"></a>Why MapReduce?</h1><p>Allow us to express the simple computations we were trying to perform but hides the messy   <code>details of parallelization, fault-tolerance, data distribution and load balancing in a library</code>. </p><h1 id="Programming-Model"><a href="#Programming-Model" class="headerlink" title="Programming Model"></a>Programming Model</h1><p>Expressing the computation as 2 functions: <code>Map</code> and <code>Reduce</code>.  </p><p>Map: takes an input pair and produces a set of intermediate key/value pairs, and then groups together all intermediate values associated with the same intermediate key “I” and passes them to the <code>Reduce</code> function.  </p><p>Reuce: accepts an intermediate key “I” and a set of values for that keys. It merges together these values to form a possibly smaller set of values.  </p><p>types:  </p><figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">map (k1, v1) -&gt; list(k2, v2)</span><br><span class="line">reduce (k2, list(v2)) -&gt; list(v2)</span><br></pre></td></tr></table></figure>]]></content>
+      
+      
+      
+        <tags>
+            
+            <tag> Data </tag>
+            
+        </tags>
+      
+    </entry>
+    
+    
+    
     <entry>
       <title>Algorithms training - 2023 12月 Training plan</title>
       <link href="/2023/12/02/training/202312/"/>
@@ -149,10 +168,10 @@
       
         <tags>
             
-            <tag> data </tag>
-            
             <tag> spark </tag>
             
+            <tag> data </tag>
+            
         </tags>
       
     </entry>
diff --git a/search/index.html b/search/index.html
index 16ac08d..8fbff57 100644
--- a/search/index.html
+++ b/search/index.html
@@ -13,7 +13,7 @@
 <meta property="og:site_name" content="Stepfen Shawn">
 <meta property="og:description" content="I started coding at the age of 13, and I&#39;ve never been tired of it!  Now I&#39;m a 19 years old guy, a part-time financial quant developer, focusing on C++, Rust, Python and SQL !!!">
 <meta property="og:locale" content="en_US">
-<meta property="article:published_time" content="2023-08-26T10:09:04.635Z">
+<meta property="article:published_time" content="2023-12-25T14:46:55.951Z">
 <meta property="article:modified_time" content="2023-08-26T10:09:04.635Z">
 <meta property="article:author" content="Stepfen Shawn">
 <meta name="twitter:card" content="summary">
@@ -114,7 +114,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/ai/index.html b/tags/ai/index.html
index 52e4cb5..5b10deb 100644
--- a/tags/ai/index.html
+++ b/tags/ai/index.html
@@ -156,7 +156,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/alog/index.html b/tags/alog/index.html
index 855bf25..058d8ba 100644
--- a/tags/alog/index.html
+++ b/tags/alog/index.html
@@ -204,7 +204,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/cantonese/index.html b/tags/cantonese/index.html
index 6aaa6e1..91dd8f8 100644
--- a/tags/cantonese/index.html
+++ b/tags/cantonese/index.html
@@ -184,7 +184,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/clang/index.html b/tags/clang/index.html
index d0b8f05..13b3867 100644
--- a/tags/clang/index.html
+++ b/tags/clang/index.html
@@ -156,7 +156,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/compiler/index.html b/tags/compiler/index.html
index f332253..860b996 100644
--- a/tags/compiler/index.html
+++ b/tags/compiler/index.html
@@ -234,7 +234,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/data/index.html b/tags/data/index.html
index 4aa6a17..b0d8c88 100644
--- a/tags/data/index.html
+++ b/tags/data/index.html
@@ -9,7 +9,7 @@
     <meta name="description" content="I started coding at the age of 13, and I&#39;ve never been tired of it!  Now I&#39;m a 19 years old guy, a part-time financial quant developer, focusing on C++, Rust, Python and SQL !!!">
 <meta property="og:type" content="website">
 <meta property="og:title" content="Stepfen Shawn">
-<meta property="og:url" content="https://stepfenshawn.github.io/tags/data/index.html">
+<meta property="og:url" content="https://stepfenshawn.github.io/tags/Data/index.html">
 <meta property="og:site_name" content="Stepfen Shawn">
 <meta property="og:description" content="I started coding at the age of 13, and I&#39;ve never been tired of it!  Now I&#39;m a 19 years old guy, a part-time financial quant developer, focusing on C++, Rust, Python and SQL !!!">
 <meta property="og:locale" content="en_US">
@@ -34,7 +34,7 @@
       
     
     <!-- title -->
-    <title>Tag: data</title>
+    <title>Tag: Data</title>
     <!-- async scripts -->
     <!-- Google Analytics -->
 
@@ -99,14 +99,14 @@ <h1 class="p-name">Stepfen Shawn</h1>
       
       
       
-        <li class="post-year"><h2>2023</h2></li>
+        <li class="post-year"><h2>2024</h2></li>
       
       <li class="post-item">
         
     <div class="meta">
       
         
-          <time datetime="2023-11-01T16:00:00.000Z" class="dt-published" itemprop="datePublished">2023-11-02</time>
+          <time datetime="2024-03-06T11:48:34.000Z" class="dt-published" itemprop="datePublished">2024-03-06</time>
         
       
     </div>
@@ -114,155 +114,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
 
         <span>
     
-        <a class="" href="/2023/11/02/data/csv2parquet/">csv to parquet in duckdb. 使用 duckdb将csv文件转为 parquet.</a>
-    
-
-
-</span>
-      </li>
-    
-      
-      
-      
-      
-      <li class="post-item">
-        
-    <div class="meta">
-      
-        
-          <time datetime="2023-10-11T05:46:21.000Z" class="dt-published" itemprop="datePublished">2023-10-11</time>
-        
-      
-    </div>
-
-
-        <span>
-    
-        <a class="" href="/2023/10/11/mongodb_import_csv/">Import csv data to mongodb. MongoDB导入csv文件</a>
-    
-
-
-</span>
-      </li>
-    
-      
-      
-      
-      
-      <li class="post-item">
-        
-    <div class="meta">
-      
-        
-          <time datetime="2023-08-17T07:40:21.000Z" class="dt-published" itemprop="datePublished">2023-08-17</time>
-        
-      
-    </div>
-
-
-        <span>
-    
-        <a class="" href="/2023/08/17/mysql_over_trick/">Mysql trick -- windows function. Mysql小技巧:窗口函数</a>
-    
-
-
-</span>
-      </li>
-    
-      
-      
-      
-      
-      <li class="post-item">
-        
-    <div class="meta">
-      
-        
-          <time datetime="2023-07-19T01:11:21.000Z" class="dt-published" itemprop="datePublished">2023-07-19</time>
-        
-      
-    </div>
-
-
-        <span>
-    
-        <a class="" href="/2023/07/19/spark_bug_mark1/">Cluster on windows with spark. 用Spark搭建人生第一个Windows集群</a>
-    
-
-
-</span>
-      </li>
-    
-      
-      
-      
-      
-        <li class="post-year"><h2>2020</h2></li>
-      
-      <li class="post-item">
-        
-    <div class="meta">
-      
-        
-          <time datetime="2020-04-03T04:35:06.000Z" class="dt-published" itemprop="datePublished">2020-04-03</time>
-        
-      
-    </div>
-
-
-        <span>
-    
-        <a class="" href="/2020/04/03/draw_stock_map/">Get stocks data with python. 用python获得股票数据</a>
-    
-
-
-</span>
-      </li>
-    
-      
-      
-      
-      
-        <li class="post-year"><h2>2019</h2></li>
-      
-      <li class="post-item">
-        
-    <div class="meta">
-      
-        
-          <time datetime="2019-07-03T16:00:00.000Z" class="dt-published" itemprop="datePublished">2019-07-04</time>
-        
-      
-    </div>
-
-
-        <span>
-    
-        <a class="" href="/2019/07/04/deep_learning/note_neural_network2/">Neural Network 0x02- Optimization. 神经网络笔记 -- 优化手段</a>
-    
-
-
-</span>
-      </li>
-    
-      
-      
-      
-      
-      <li class="post-item">
-        
-    <div class="meta">
-      
-        
-          <time datetime="2019-06-30T16:00:00.000Z" class="dt-published" itemprop="datePublished">2019-07-01</time>
-        
-      
-    </div>
-
-
-        <span>
-    
-        <a class="" href="/2019/07/01/deep_learning/note_neural_network1/">Neural Network 0x01- Check the Shape. 神经网络笔记 -- 核对矩阵的维度</a>
+        <a class="" href="/2024/03/06/notes/paper_map_reduce/">My notes of paper &#34; MapReduce Simplified Data Processing on Large Clusters &#34;</a>
     
 
 
@@ -280,7 +132,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/python/index.html b/tags/python/index.html
index 4fe80af..8347523 100644
--- a/tags/python/index.html
+++ b/tags/python/index.html
@@ -132,7 +132,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/spark/index.html b/tags/spark/index.html
index b29e7fe..8fced68 100644
--- a/tags/spark/index.html
+++ b/tags/spark/index.html
@@ -132,7 +132,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">
diff --git a/tags/sql/index.html b/tags/sql/index.html
index e44f9b2..a8e1317 100644
--- a/tags/sql/index.html
+++ b/tags/sql/index.html
@@ -158,7 +158,7 @@ <h1 class="p-name">Stepfen Shawn</h1>
     Copyright &copy;
     
     
-    2018-2023
+    2018-2024
     Stepfen Shawn
   </div>
   <div class="footer-right">