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From yu...@apache.org
Subject [05/10] incubator-rocketmq-site git commit: Add content to git repo.
Date Sat, 24 Dec 2016 06:55:57 GMT
http://git-wip-us.apache.org/repos/asf/incubator-rocketmq-site/blob/5479307c/content/categories/index.html
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+<!doctype html>
+<html lang="en" class="no-js">
+  <head>
+    <meta charset="utf-8">
+
+<!-- begin SEO -->
+
+
+
+
+
+
+
+
+
+<title>Posts by Category - Apache RocketMQ</title>
+
+
+
+
+<meta name="description" content="The homepage of RocketMQ.">
+
+
+
+
+<meta property="og:locale" content="en">
+<meta property="og:site_name" content="Apache RocketMQ">
+<meta property="og:title" content="Posts by Category">
+
+
+
+
+
+
+  <meta name="twitter:site" content="@ApacheRocketMQ">
+  <meta name="twitter:title" content="Posts by Category">
+  <meta name="twitter:description" content="The homepage of RocketMQ.">
+  <meta name="twitter:url" content="">
+
+  
+    <meta name="twitter:card" content="summary">
+    
+  
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+  
+
+
+
+  
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+  <script type="application/ld+json">
+    {
+      "@context" : "http://schema.org",
+      "@type" : "Person",
+      "name" : "Apache RocketMQ",
+      "url" : null,
+      "sameAs" : null
+    }
+  </script>
+
+
+
+
+
+
+<!-- end SEO -->
+
+
+<link href="/feed.xml" type="application/atom+xml" rel="alternate" title="Apache RocketMQ Feed">
+
+<!-- http://t.co/dKP3o1e -->
+<meta name="HandheldFriendly" content="True">
+<meta name="MobileOptimized" content="320">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+<script>
+  document.documentElement.className = document.documentElement.className.replace(/\bno-js\b/g, '') + ' js ';
+</script>
+
+<!-- For all browsers -->
+<link rel="stylesheet" href="/assets/css/main.css">
+
+<meta http-equiv="cleartype" content="on">
+    <!-- start custom head snippets -->
+
+<!-- insert favicons. use http://realfavicongenerator.net/ -->
+
+<!-- end custom head snippets -->
+  </head>
+
+  <body class="layout--archive">
+
+    <!--[if lt IE 9]>
+<div class="notice--danger align-center" style="margin: 0;">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your experience.</div>
+<![endif]-->
+    <div class="masthead">
+  <div class="masthead__inner-wrap">
+    <div class="masthead__menu">
+      <nav id="site-nav" class="greedy-nav">
+        <button><div class="navicon"></div></button>
+        <ul class="visible-links">
+          <li class="masthead__menu-item masthead__menu-item--lg"><a href="/">Apache RocketMQ</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/docs/quick-start/">Documentation</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/year-archive/">Blog</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/community/">Community</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/about/">About</a></li>
+          
+        </ul>
+        <ul class="hidden-links hidden"></ul>
+      </nav>
+    </div>
+  </div>
+</div>
+
+    
+
+
+
+<div id="main" role="main">
+  
+  <div class="sidebar sticky">
+  
+
+<div itemscope itemtype="http://schema.org/Person">
+
+  
+    <div class="author__avatar">
+      
+        <img src="/assets/images/rmq-logo.png" class="author__avatar" alt="" itemprop="image">
+      
+    </div>
+  
+
+  <div class="author__content">
+    <h3 class="author__name" itemprop="name"></h3>
+    
+      <p class="author__bio" itemprop="description">
+        A fast, low latency, reliable, scalable, distributed MOM.
+      </p>
+    
+  </div>
+
+  <div class="author__urls-wrapper">
+    <button class="btn btn--inverse">Follow</button>
+    <ul class="author__urls social-icons">
+      
+        <li itemprop="homeLocation" itemscope itemtype="http://schema.org/Place">
+          <i class="fa fa-fw fa-map-marker" aria-hidden="true"></i> <span itemprop="name">Hangzhou, China</span>
+        </li>
+      
+
+      
+        <li>
+          <a href="http://incubator.staging.apache.org/projects/rocketmq.html" itemprop="url">
+            <i class="fa fa-fw fa-chain" aria-hidden="true"></i> Website
+          </a>
+        </li>
+      
+
+      
+        <li>
+          <a href="mailto:dev@rocketmq.incubator.apache.org">
+            <meta itemprop="email" content="dev@rocketmq.incubator.apache.org" />
+            <i class="fa fa-fw fa-envelope-square" aria-hidden="true"></i> Email
+          </a>
+        </li>
+      
+
+      
+
+      
+        <li>
+          <a href="https://twitter.com/ApacheRocketMQ" itemprop="sameAs">
+            <i class="fa fa-fw fa-twitter-square" aria-hidden="true"></i> Twitter
+          </a>
+        </li>
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+        <li>
+          <a href="https://github.com/alibaba/RocketMQ/" itemprop="sameAs">
+            <i class="fa fa-fw fa-github" aria-hidden="true"></i> GitHub
+          </a>
+        </li>
+      
+
+      
+        <li>
+          <a href="https://www.stackoverflow.com/users/http://stackoverflow.com/questions/tagged/rocketmq" itemprop="sameAs">
+            <i class="fa fa-fw fa-stack-overflow" aria-hidden="true"></i> Stackoverflow
+          </a>
+        </li>
+      
+
+      
+        <li>
+          <a href="https://www.quora.com/topic/RocketMQ" itemprop="sameAs">
+            <i class="fa fa-fw" aria-hidden="true"><strong>Q</strong></i> Quora
+          </a>
+        </li>
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      <!--
+  <li>
+    <a href="http://link-to-whatever-social-network.com/user/" itemprop="sameAs">
+      <i class="fa fa-fw" aria-hidden="true"></i> Custom Social Profile Link
+    </a>
+  </li>
+-->
+    </ul>
+  </div>
+</div>
+
+  
+  </div>
+
+
+  <div class="archive">
+    
+      <h1 class="page__title">Posts by Category</h1>
+    
+    <!--
+# Jekyll Group-By-Array 0.1.0
+# https://github.com/mushishi78/jekyll-group-by-array
+# © 2015 Max White <mushishi78@gmail.com>
+# MIT License
+-->
+
+<!-- Initialize -->
+
+
+
+
+<!-- Map -->
+
+
+<!-- Flatten -->
+
+
+<!-- Uniq -->
+
+
+
+<!-- If not equal to previous then it must be unique as sorted -->
+
+
+<!-- Push to group_names -->
+
+
+
+
+
+
+<!-- If not equal to previous then it must be unique as sorted -->
+
+
+<!-- Push to group_names -->
+
+
+
+
+
+
+
+<!-- group_items -->
+
+
+<!-- Collect if contains -->
+
+
+
+<!-- Push to group_items -->
+
+
+
+<!-- Collect if contains -->
+
+
+
+<!-- Push to group_items -->
+
+
+
+
+  
+  <h2 id="maven" class="archive__subtitle">Maven</h2>
+  
+    
+
+
+
+<div class="list__item">
+  <article class="archive__item" itemscope itemtype="http://schema.org/CreativeWork">
+    
+    <h2 class="archive__item-title" itemprop="headline">
+      
+        <a href="/maven/mastering-component-compatible-dependency/" rel="permalink">Mastering Component Compatible Dependency
+</a>
+      
+    </h2>
+    
+      <p class="page__meta"><i class="fa fa-clock-o" aria-hidden="true"></i> 
+
+
+
+
+  11 minute read
+</p>
+    
+    <p class="archive__item-excerpt" itemprop="description">This article mainly includes three parts.at first,I will introduce compatibility principle(more details see here) briefly.followed by a detailed elaborating ...</p>
+  </article>
+</div>
+  
+
+  
+  <h2 id="rocketmq" class="archive__subtitle">RocketMQ</h2>
+  
+    
+
+
+
+<div class="list__item">
+  <article class="archive__item" itemscope itemtype="http://schema.org/CreativeWork">
+    
+    <h2 class="archive__item-title" itemprop="headline">
+      
+        <a href="/rocketmq/how-to-support-more-queues-in-rocketmq/" rel="permalink">How to Support More Queues in RocketMQ?
+</a>
+      
+    </h2>
+    
+      <p class="page__meta"><i class="fa fa-clock-o" aria-hidden="true"></i> 
+
+
+
+
+  2 minute read
+</p>
+    
+    <p class="archive__item-excerpt" itemprop="description">Summary
+
+</p>
+  </article>
+</div>
+  
+
+  </div>
+</div>
+
+    <div class="page__footer">
+      <footer>
+        <!-- start custom footer snippets -->
+
+<!-- end custom footer snippets -->
+        <div class="page__footer-follow">
+  <ul class="social-icons">
+    
+      <li><strong>Follow:</strong></li>
+    
+    
+      <li><a href="https://twitter.com/ApacheRocketMQ"><i class="fa fa-fw fa-twitter-square" aria-hidden="true"></i> Twitter</a></li>
+    
+    
+    
+      <li><a href="http://github.com/alibaba/RocketMQ/"><i class="fa fa-fw fa-github" aria-hidden="true"></i> GitHub</a></li>
+    
+    
+    <li><a href="/feed.xml"><i class="fa fa-fw fa-rss-square" aria-hidden="true"></i> Feed</a></li>
+  </ul>
+</div>
+
+<div class="page__footer-copyright">Copyright &copy; 2016 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All Rights Reserved.</div>
+      </footer>
+    </div>
+
+    <script src="/assets/js/main.min.js"></script>
+
+
+
+
+
+  </body>
+</html>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq-site/blob/5479307c/content/collection-archive/index.html
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diff --git a/content/collection-archive/index.html b/content/collection-archive/index.html
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@@ -0,0 +1,468 @@
+<!doctype html>
+<html lang="en" class="no-js">
+  <head>
+    <meta charset="utf-8">
+
+<!-- begin SEO -->
+
+
+
+
+
+
+
+
+
+<title>Posts by Collection - Apache RocketMQ</title>
+
+
+
+
+<meta name="description" content="The homepage of RocketMQ.">
+
+
+
+
+<meta property="og:locale" content="en">
+<meta property="og:site_name" content="Apache RocketMQ">
+<meta property="og:title" content="Posts by Collection">
+
+
+
+
+
+
+  <meta name="twitter:site" content="@ApacheRocketMQ">
+  <meta name="twitter:title" content="Posts by Collection">
+  <meta name="twitter:description" content="The homepage of RocketMQ.">
+  <meta name="twitter:url" content="">
+
+  
+    <meta name="twitter:card" content="summary">
+    
+  
+
+  
+
+
+
+  
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+  <script type="application/ld+json">
+    {
+      "@context" : "http://schema.org",
+      "@type" : "Person",
+      "name" : "Apache RocketMQ",
+      "url" : null,
+      "sameAs" : null
+    }
+  </script>
+
+
+
+
+
+
+<!-- end SEO -->
+
+
+<link href="/feed.xml" type="application/atom+xml" rel="alternate" title="Apache RocketMQ Feed">
+
+<!-- http://t.co/dKP3o1e -->
+<meta name="HandheldFriendly" content="True">
+<meta name="MobileOptimized" content="320">
+<meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+<script>
+  document.documentElement.className = document.documentElement.className.replace(/\bno-js\b/g, '') + ' js ';
+</script>
+
+<!-- For all browsers -->
+<link rel="stylesheet" href="/assets/css/main.css">
+
+<meta http-equiv="cleartype" content="on">
+    <!-- start custom head snippets -->
+
+<!-- insert favicons. use http://realfavicongenerator.net/ -->
+
+<!-- end custom head snippets -->
+  </head>
+
+  <body class="layout--archive">
+
+    <!--[if lt IE 9]>
+<div class="notice--danger align-center" style="margin: 0;">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your experience.</div>
+<![endif]-->
+    <div class="masthead">
+  <div class="masthead__inner-wrap">
+    <div class="masthead__menu">
+      <nav id="site-nav" class="greedy-nav">
+        <button><div class="navicon"></div></button>
+        <ul class="visible-links">
+          <li class="masthead__menu-item masthead__menu-item--lg"><a href="/">Apache RocketMQ</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/docs/quick-start/">Documentation</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/year-archive/">Blog</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/community/">Community</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/about/">About</a></li>
+          
+        </ul>
+        <ul class="hidden-links hidden"></ul>
+      </nav>
+    </div>
+  </div>
+</div>
+
+    
+
+
+
+<div id="main" role="main">
+  
+  <div class="sidebar sticky">
+  
+
+<div itemscope itemtype="http://schema.org/Person">
+
+  
+    <div class="author__avatar">
+      
+        <img src="/assets/images/rmq-logo.png" class="author__avatar" alt="" itemprop="image">
+      
+    </div>
+  
+
+  <div class="author__content">
+    <h3 class="author__name" itemprop="name"></h3>
+    
+      <p class="author__bio" itemprop="description">
+        A fast, low latency, reliable, scalable, distributed MOM.
+      </p>
+    
+  </div>
+
+  <div class="author__urls-wrapper">
+    <button class="btn btn--inverse">Follow</button>
+    <ul class="author__urls social-icons">
+      
+        <li itemprop="homeLocation" itemscope itemtype="http://schema.org/Place">
+          <i class="fa fa-fw fa-map-marker" aria-hidden="true"></i> <span itemprop="name">Hangzhou, China</span>
+        </li>
+      
+
+      
+        <li>
+          <a href="http://incubator.staging.apache.org/projects/rocketmq.html" itemprop="url">
+            <i class="fa fa-fw fa-chain" aria-hidden="true"></i> Website
+          </a>
+        </li>
+      
+
+      
+        <li>
+          <a href="mailto:dev@rocketmq.incubator.apache.org">
+            <meta itemprop="email" content="dev@rocketmq.incubator.apache.org" />
+            <i class="fa fa-fw fa-envelope-square" aria-hidden="true"></i> Email
+          </a>
+        </li>
+      
+
+      
+
+      
+        <li>
+          <a href="https://twitter.com/ApacheRocketMQ" itemprop="sameAs">
+            <i class="fa fa-fw fa-twitter-square" aria-hidden="true"></i> Twitter
+          </a>
+        </li>
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+        <li>
+          <a href="https://github.com/alibaba/RocketMQ/" itemprop="sameAs">
+            <i class="fa fa-fw fa-github" aria-hidden="true"></i> GitHub
+          </a>
+        </li>
+      
+
+      
+        <li>
+          <a href="https://www.stackoverflow.com/users/http://stackoverflow.com/questions/tagged/rocketmq" itemprop="sameAs">
+            <i class="fa fa-fw fa-stack-overflow" aria-hidden="true"></i> Stackoverflow
+          </a>
+        </li>
+      
+
+      
+        <li>
+          <a href="https://www.quora.com/topic/RocketMQ" itemprop="sameAs">
+            <i class="fa fa-fw" aria-hidden="true"><strong>Q</strong></i> Quora
+          </a>
+        </li>
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      
+
+      <!--
+  <li>
+    <a href="http://link-to-whatever-social-network.com/user/" itemprop="sameAs">
+      <i class="fa fa-fw" aria-hidden="true"></i> Custom Social Profile Link
+    </a>
+  </li>
+-->
+    </ul>
+  </div>
+</div>
+
+  
+  </div>
+
+
+  <div class="archive">
+    
+      <h1 class="page__title">Posts by Collection</h1>
+    
+    
+
+
+  
+    
+    
+      <h2 id="docs" class="archive__subtitle">docs</h2>
+      
+    
+  
+  
+    
+      
+
+
+
+<div class="list__item">
+  <article class="archive__item" itemscope itemtype="http://schema.org/CreativeWork">
+    
+    <h2 class="archive__item-title" itemprop="headline">
+      
+        <a href="/docs/quick-start/" rel="permalink">Quick Start
+</a>
+      
+    </h2>
+    
+    <p class="archive__item-excerpt" itemprop="description">How to quickly install and setup Apache RocketMQ.
+</p>
+  </article>
+</div>
+    
+  
+    
+      
+
+
+
+<div class="list__item">
+  <article class="archive__item" itemscope itemtype="http://schema.org/CreativeWork">
+    
+    <h2 class="archive__item-title" itemprop="headline">
+      
+        <a href="/docs/motivation/" rel="permalink">Motivation
+</a>
+      
+    </h2>
+    
+    <p class="archive__item-excerpt" itemprop="description">In the early stages, we constructed our distributed messaging middleware on the basis of ActiveMQ 5.x(less than 5.3). Our international business uses it for ...</p>
+  </article>
+</div>
+    
+  
+    
+      
+
+
+
+<div class="list__item">
+  <article class="archive__item" itemscope itemtype="http://schema.org/CreativeWork">
+    
+    <h2 class="archive__item-title" itemprop="headline">
+      
+        <a href="/docs/core-concept/" rel="permalink">Core Concept
+</a>
+      
+    </h2>
+    
+    <p class="archive__item-excerpt" itemprop="description">
+
+</p>
+  </article>
+</div>
+    
+  
+    
+      
+
+
+
+<div class="list__item">
+  <article class="archive__item" itemscope itemtype="http://schema.org/CreativeWork">
+    
+    <h2 class="archive__item-title" itemprop="headline">
+      
+        <a href="/docs/cli-admin-tool/" rel="permalink">CLI Admin Tool
+</a>
+      
+    </h2>
+    
+    <p class="archive__item-excerpt" itemprop="description">RocketMQ provides a CLI admin tool belt to query, manage and diagnose various issues.
+
+</p>
+  </article>
+</div>
+    
+  
+    
+      
+
+
+
+<div class="list__item">
+  <article class="archive__item" itemscope itemtype="http://schema.org/CreativeWork">
+    
+    <h2 class="archive__item-title" itemprop="headline">
+      
+        <a href="/docs/cluster-deployment/" rel="permalink">Cluster Configuration and Deployment
+</a>
+      
+    </h2>
+    
+    <p class="archive__item-excerpt" itemprop="description">Prerequisite
+
+</p>
+  </article>
+</div>
+    
+  
+
+  
+    
+    
+      <h2 id="pets" class="archive__subtitle">pets</h2>
+      
+    
+  
+  
+
+  
+    
+    
+      <h2 id="portfolio" class="archive__subtitle">portfolio</h2>
+      
+    
+  
+  
+
+  
+  
+    
+  
+    
+  
+
+  
+    
+    
+      <h2 id="recipes" class="archive__subtitle">recipes</h2>
+      
+    
+  
+  
+
+  </div>
+</div>
+
+    <div class="page__footer">
+      <footer>
+        <!-- start custom footer snippets -->
+
+<!-- end custom footer snippets -->
+        <div class="page__footer-follow">
+  <ul class="social-icons">
+    
+      <li><strong>Follow:</strong></li>
+    
+    
+      <li><a href="https://twitter.com/ApacheRocketMQ"><i class="fa fa-fw fa-twitter-square" aria-hidden="true"></i> Twitter</a></li>
+    
+    
+    
+      <li><a href="http://github.com/alibaba/RocketMQ/"><i class="fa fa-fw fa-github" aria-hidden="true"></i> GitHub</a></li>
+    
+    
+    <li><a href="/feed.xml"><i class="fa fa-fw fa-rss-square" aria-hidden="true"></i> Feed</a></li>
+  </ul>
+</div>
+
+<div class="page__footer-copyright">Copyright &copy; 2016 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All Rights Reserved.</div>
+      </footer>
+    </div>
+
+    <script src="/assets/js/main.min.js"></script>
+
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+
+
+
+  </body>
+</html>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq-site/blob/5479307c/content/community/index.html
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http://git-wip-us.apache.org/repos/asf/incubator-rocketmq-site/blob/5479307c/content/docs/cli-admin-tool/index.html
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+          
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+          
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+            <li class="masthead__menu-item"><a href="/community/">Community</a></li>
+          
+            
+            <li class="masthead__menu-item"><a href="/about/">About</a></li>
+          
+        </ul>
+        <ul class="hidden-links hidden"></ul>
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+  
+  <div class="sidebar sticky">
+  
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+      
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+  
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+  <label for="ac-toc">Toggle Menu</label>
+  <ul class="nav__items">
+    
+      <li>
+        
+          <span class="nav__sub-title">User Guide</span>
+        
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+        <ul>
+          
+            
+            
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+            <li><a href="/docs/quick-start/" class="">Quick Start</a></li>
+          
+            
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+            
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+            <li><a href="/docs/motivation/" class="">Motivation</a></li>
+          
+            
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+            <li><a href="/docs/core-concept/" class="">Core Concept</a></li>
+          
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+            <li><a href="/docs/cli-admin-tool/" class="active">CLI Admin Tool</a></li>
+          
+            
+            
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+            
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+            <li><a href="/docs/cluster-deployment/" class="">Cluster Configuration & Deployment</a></li>
+          
+        </ul>
+        
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+    
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+        
+          <span class="nav__sub-title">Developer Guide</span>
+        
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+        
+        <ul>
+          
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+            <li><a href="/docs/motivation/" class="">Architecture & Design</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/docs/motivation/" class="">Communication Protocol</a></li>
+          
+            
+            
+
+            
+            
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+            <li><a href="/docs/core-concept/" class="">Persistence</a></li>
+          
+            
+            
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+            <li><a href="/docs/cli-admin-tool/" class="active">Replication</a></li>
+          
+            
+            
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+            
+
+            <li><a href="/docs/cluster-deployment/" class="">Service Discovery & Load Balance</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/docs/cluster-deployment/" class="">Message Filter</a></li>
+          
+        </ul>
+        
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+        
+          <span class="nav__sub-title">Best Practice</span>
+        
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+          
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+            <li><a href="/docs/motivation/" class="">Broker</a></li>
+          
+            
+            
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+            
+            
+
+            <li><a href="/docs/motivation/" class="">Producer</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/docs/core-concept/" class="">Consumer</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/docs/cli-admin-tool/" class="active">Virtualization</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/docs/cluster-deployment/" class="">Frequently Asked Questions</a></li>
+          
+        </ul>
+        
+      </li>
+    
+  </ul>
+</nav>
+    
+  
+  </div>
+
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+  <article class="page" itemscope itemtype="http://schema.org/CreativeWork">
+    <meta itemprop="headline" content="CLI Admin Tool">
+    <meta itemprop="description" content="RocketMQ provides a CLI admin tool belt to query, manage and diagnose various issues.">
+    <meta itemprop="datePublished" content="December 24, 2016">
+    <meta itemprop="dateModified" content="December 17, 2016">
+
+    <div class="page__inner-wrap">
+      
+        <header>
+          <h1 class="page__title" itemprop="headline">CLI Admin Tool
+</h1>
+          
+        </header>
+      
+
+      <section class="page__content" itemprop="text">
+        <p>RocketMQ provides a CLI admin tool belt to query, manage and diagnose various issues.</p>
+
+<aside class="sidebar__right">
+<nav class="toc">
+    <header><h4 class="nav__title"><i class="fa fa-file-text"></i> On This Page</h4></header>
+<ul class="toc__menu" id="markdown-toc">
+  <li><a href="#prerequisite" id="markdown-toc-prerequisite">Prerequisite</a></li>
+  <li><a href="#how-to-get-it" id="markdown-toc-how-to-get-it">How To Get it</a></li>
+  <li><a href="#how-to-use" id="markdown-toc-how-to-use">How to use</a></li>
+  <li><a href="#command-manual" id="markdown-toc-command-manual">Command Manual</a></li>
+</ul>
+
+  </nav>
+</aside>
+
+<h1 id="prerequisite">Prerequisite</h1>
+
+<p>Make sure you have walked through <a href="/docs/quick-start/">Quick Start</a> and <a href="/docs/core-concept/">Core Concept</a> sections.</p>
+
+<h1 id="how-to-get-it">How To Get it</h1>
+
+<p>The admin tool is shipped along with RocketMQ. Either you download a pre-built binary version or build from source by yourself, you already have it.</p>
+
+<p>In case you have source code, the <a href="https://github.com/alibaba/RocketMQ/tree/master/rocketmq-tools">rocketmq-tools module</a> contains its source code.</p>
+
+<h1 id="how-to-use">How to use</h1>
+
+<p>The Admin Tool is very easy to use. Here, for demonstration purpose, *nix environment is assumed.</p>
+
+<p>Change directory to ${PACKAGE}/bin, command <code class="highlighter-rouge">bash mqadmin</code>, you should see the following help menu pops out.</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>The most commonly used mqadmin commands are:
+   updateTopic          Update or create topic
+   deleteTopic          Delete topic from broker and NameServer.
+   updateSubGroup       Update or create subscription group
+   deleteSubGroup       Delete subscription group from broker.
+   updateBrokerConfig   Update broker's config
+   updateTopicPerm      Update topic perm
+   topicRoute           Examine topic route info
+   topicStatus          Examine topic Status info
+   topicClusterList     get cluster info for topic
+   brokerStatus         Fetch broker runtime status data
+   queryMsgById         Query Message by Id
+   queryMsgByKey        Query Message by Key
+   queryMsgByUniqueKey  Query Message by Unique key
+   queryMsgByOffset     Query Message by offset
+   queryMsgByUniqueKey  Query Message by Unique key
+   printMsg             Print Message Detail
+   sendMsgStatus        send msg to broker.
+   brokerConsumeStats   Fetch broker consume stats data
+   producerConnection   Query producer's socket connection and client version
+   consumerConnection   Query consumer's socket connection, client version and subscription
+   consumerProgress     Query consumers's progress, speed
+   consumerStatus       Query consumer's internal data structure
+   cloneGroupOffset     clone offset from other group.
+   clusterList          List all of clusters
+   topicList            Fetch all topic list from name server
+   updateKvConfig       Create or update KV config.
+   deleteKvConfig       Delete KV config.
+   wipeWritePerm        Wipe write perm of broker in all name server
+   resetOffsetByTime    Reset consumer offset by timestamp(without client restart).
+   updateOrderConf      Create or update or delete order conf
+   cleanExpiredCQ       Clean expired ConsumeQueue on broker.
+   cleanUnusedTopic     Clean unused topic on broker.
+   startMonitoring      Start Monitoring
+   statsAll             Topic and Consumer tps stats
+   syncDocs             Synchronize wiki and issue to github.com
+   allocateMQ           Allocate MQ
+   checkMsgSendRT       check message send response time
+   clusterRT            List All clusters Message Send RT
+
+See 'mqadmin help &lt;command&gt;' for more information on a specific command.
+</code></pre>
+</div>
+
+<p>As you see, the most commonly used commands are listed with a brief description. To get detailed manual of each command, <code class="highlighter-rouge">bash mqadmin help &lt;command&gt;</code>. For example, command <code class="highlighter-rouge">bash mqadmin help clusterList</code> will bring out the following help text:</p>
+
+<div class="highlighter-rouge"><pre class="highlight"><code>usage: mqadmin clusterList [-h] [-i &lt;arg&gt;] [-m] [-n &lt;arg&gt;]
+ -h,--help                Print help
+ -i,--interval &lt;arg&gt;      specify intervals numbers, it is in seconds
+ -m,--moreStats           Print more stats
+ -n,--namesrvAddr &lt;arg&gt;   Name server address list, eg: 192.168.0.1:9876;192.168.0.2:9876
+</code></pre>
+</div>
+
+<p>The help text lists possible options and interpretation of each option.</p>
+
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+
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+      
+        <header>
+          <h1 class="page__title" itemprop="headline">Cluster Configuration and Deployment
+</h1>
+          
+        </header>
+      
+
+      <section class="page__content" itemprop="text">
+        <h1 id="prerequisite">Prerequisite</h1>
+
+<p>Before starting this section, make sure you have read Quick Start section, in which core concepts and components of RocketMQ are introduced.</p>
+
+<aside class="sidebar__right">
+<nav class="toc">
+    <header><h4 class="nav__title"><i class="fa fa-file-text"></i> On This Page</h4></header>
+<ul class="toc__menu" id="markdown-toc">
+  <li><a href="#prerequisite" id="markdown-toc-prerequisite">Prerequisite</a></li>
+  <li><a href="#introduction" id="markdown-toc-introduction">Introduction</a></li>
+  <li><a href="#name-server" id="markdown-toc-name-server">Name Server</a></li>
+  <li><a href="#broker" id="markdown-toc-broker">Broker</a></li>
+  <li><a href="#disk-flush-type-sync_flush--async_flush" id="markdown-toc-disk-flush-type-sync_flush--async_flush">Disk Flush Type: SYNC_FLUSH / ASYNC_FLUSH</a></li>
+  <li><a href="#replication-sync--async-broker" id="markdown-toc-replication-sync--async-broker">Replication: Sync / Async Broker</a></li>
+  <li><a href="#configuration" id="markdown-toc-configuration">Configuration</a></li>
+  <li><a href="#deployment-example" id="markdown-toc-deployment-example">Deployment Example</a></li>
+</ul>
+
+  </nav>
+</aside>
+
+<h1 id="introduction">Introduction</h1>
+
+<p>This section is to introduce deployment solution that may be considered production ready.  Generally speaking, we are deploying a resilient RocketMQ cluster having no single point of failure.</p>
+
+<h1 id="name-server">Name Server</h1>
+
+<p>To ensure the cluster can still operate normally when name server instance crashes, two or more name server instances are recommended.  As long as there is one name server instance alive, the whole cluster remains serving.</p>
+
+<p>Name server follows share-nothing design paradigm. Brokers send heartbeat data to all name servers. Producers and consumers may query meta data from any one of name servers available while sending / consuming messages.</p>
+
+<h1 id="broker">Broker</h1>
+
+<p>Brokers can be divided into two categories according to their roles: master and slave. Master brokers can read and write while slave brokers can only read messages replicated from master. Master brokers have brokerId=0; brokerId of slave is non-zero.</p>
+
+<p>Brokers may also be grouped by the brokerName property. Slave brokers find their master through brokerName. One master broker along with zero, one or multiple slave brokers is called a broker set.</p>
+
+<p>In serious scenarios, we should have at least two broker sets. Each topic, as you guess,  resides in two or more broker sets.</p>
+
+<h1 id="disk-flush-type-sync_flush--async_flush">Disk Flush Type: SYNC_FLUSH / ASYNC_FLUSH</h1>
+
+<p>Each broker can be configured to be sync or async in terms of IO flushing strategy. To put it simply, if your business tolerates none message loss at extreme scenarios like OS crash or power loss, SYNC_FLUSH mode is recommended. Broker of SYNC_FLUSH mode would flush each message it receives onto disk before acknowledging producer. Obviously, throughout of this mode is highly dependent on IOPS of your hard disk.</p>
+
+<p>Broker of ASYNC_FLUSH mode, on the other hand, takes advantage of group-committing: only flushes dirty page caches to disk periodically or when count of dirty page caches reaches certain amount. Hence, the latter yields better performance.</p>
+
+<h1 id="replication-sync--async-broker">Replication: Sync / Async Broker</h1>
+
+<p>Similar to many replication system, sync brokers await until commit log is replicated to a slave before acknowledging. Async brokers, instead, return immediately after messages are processed on master.</p>
+
+<h1 id="configuration">Configuration</h1>
+
+<p>There are three pre-built configurations shipped with the distribution of RocketMQ under conf folder for your reference:</p>
+
+<ol>
+  <li>2m-2s-sync</li>
+  <li>2m-2s-async</li>
+  <li>2m-noslave</li>
+</ol>
+
+<p>Note: all configurations uses ASYNC_FLUSH.</p>
+
+<h1 id="deployment-example">Deployment Example</h1>
+
+<p>For example, We want to have a cluster with 2 name servers, 2 broker sets with general purpose:
+for this example, we choose <code class="highlighter-rouge">2m-2s-sync</code>
+Assuming binary RocketMQ is at <code class="highlighter-rouge">/home/rocketmq/dist</code></p>
+
+<ol>
+  <li>
+    <p>Start up two name servers as is shown in Quick Start guide. Assume their IPs are 192.168.0.2 and 192.168.0.3.</p>
+  </li>
+  <li>
+    <p>Start brokers</p>
+
+    <p><code class="highlighter-rouge">cd /home/rocketmq/dist/bin</code></p>
+
+    <p><code class="highlighter-rouge">bash mqbroker -c ../conf/2m-2s-sync/broker-a.properties -n 192.168.0.2:9876,192.168.0.3:9876</code></p>
+
+    <p><code class="highlighter-rouge">bash mqbroker -c ../conf/2m-2s-sync/broker-a-s.properties -n 192.168.0.2:9876,192.168.0.3:9876</code></p>
+
+    <p><code class="highlighter-rouge">bash mqbroker -c ../conf/2m-2s-sync/broker-b.properties -n 192.168.0.2:9876,192.168.0.3:9876</code></p>
+
+    <p><code class="highlighter-rouge">bash mqbroker -c ../conf/2m-2s-sync/broker-b-s.properties -n 192.168.0.2:9876,192.168.0.3:9876</code></p>
+  </li>
+  <li>
+    <p>Verify</p>
+
+    <p>Execute the following command to verify</p>
+
+    <p><code class="highlighter-rouge">bash mqadmin clusterList</code></p>
+  </li>
+</ol>
+
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+  <article class="page" itemscope itemtype="http://schema.org/CreativeWork">
+    <meta itemprop="headline" content="Core Concept">
+    <meta itemprop="description" content="">
+    <meta itemprop="datePublished" content="December 24, 2016">
+    <meta itemprop="dateModified" content="December 17, 2016">
+
+    <div class="page__inner-wrap">
+      
+        <header>
+          <h1 class="page__title" itemprop="headline">Core Concept
+</h1>
+          
+        </header>
+      
+
+      <section class="page__content" itemprop="text">
+        <p><img src="/assets/images/rmq-model.png" alt="RocketMQ model" /></p>
+
+<p>From the above model, we can look deeper into some topics about messaging system design:</p>
+
+<aside class="sidebar__right">
+<nav class="toc">
+    <header><h4 class="nav__title"><i class="fa fa-file-text"></i> On This Page</h4></header>
+<ul class="toc__menu" id="markdown-toc">
+  <li><a href="#producer" id="markdown-toc-producer">Producer</a>    <ul>
+      <li><a href="#producer-group" id="markdown-toc-producer-group">Producer Group</a></li>
+    </ul>
+  </li>
+  <li><a href="#consumer" id="markdown-toc-consumer">Consumer</a>    <ul>
+      <li><a href="#pullconsumer" id="markdown-toc-pullconsumer">PullConsumer</a></li>
+      <li><a href="#pushconsumer" id="markdown-toc-pushconsumer">PushConsumer</a></li>
+      <li><a href="#consumer-group" id="markdown-toc-consumer-group">Consumer Group</a></li>
+    </ul>
+  </li>
+  <li><a href="#topic" id="markdown-toc-topic">Topic</a></li>
+  <li><a href="#message" id="markdown-toc-message">Message</a>    <ul>
+      <li><a href="#message-queue" id="markdown-toc-message-queue">Message Queue</a></li>
+      <li><a href="#tag" id="markdown-toc-tag">Tag</a></li>
+      <li><a href="#broker" id="markdown-toc-broker">Broker</a></li>
+    </ul>
+  </li>
+  <li><a href="#name-server" id="markdown-toc-name-server">Name Server</a></li>
+  <li><a href="#message-model" id="markdown-toc-message-model">Message Model</a></li>
+  <li><a href="#message-order" id="markdown-toc-message-order">Message Order</a></li>
+</ul>
+
+  </nav>
+</aside>
+
+<ul>
+  <li>Consumer Concurrency</li>
+  <li>Consumer Hot Issues</li>
+  <li>Consumer Load Balance</li>
+  <li>Message Router</li>
+  <li>Connection Multiplex</li>
+  <li>Canary Deployments</li>
+</ul>
+
+<h1 id="producer">Producer</h1>
+
+<p>A producer sends messages generated by the business application systems to brokers. RocketMQ provides multiple paradigms of sending: synchronous, asynchronous and one-way.</p>
+
+<h2 id="producer-group">Producer Group</h2>
+
+<p>Producers of the same role are grouped together. A different producer instance of the same producer group may be contacted by a broker to commit or roll back a transaction in case the original producer crashed after starting the transaction.</p>
+
+<p><strong>Warning</strong>: Considering the provided producer is sufficiently powerful at sending messages, only one instance is allowed per producer group and process to avoid unnecessarily initializing of producer instances.</p>
+
+<h1 id="consumer">Consumer</h1>
+
+<p>A Consumer pulls messages from brokers and feeds them into application. In perspective of user application, two types of consumers are provided:</p>
+
+<h2 id="pullconsumer">PullConsumer</h2>
+
+<p>Pull consumer actively pulls messages from brokers. Once batches of messages are pulled, user application initiates consuming process.</p>
+
+<h2 id="pushconsumer">PushConsumer</h2>
+
+<p>Push consumer, on the other hand, encapsulates message pulling, consuming progress maintaining and other effortful work inside, leaving a callback interface to end user to implement which will be executed on message arrival.</p>
+
+<h2 id="consumer-group">Consumer Group</h2>
+
+<p>Similar to previously mentioned producer group, consumers of the exactly same role are grouped together and named <strong>Consumer Group</strong>.</p>
+
+<p>Consumer Group is a great concept with which achieving goals of load-balance and fault-tolerance, in terms of message consuming, is super easy.</p>
+
+<p><strong>Warning</strong>: consumer instances of a consumer group <strong>must</strong> have exactly same topic subscription(s).</p>
+
+<h1 id="topic">Topic</h1>
+
+<p>Topic is a category to which producers deliver messages and from which consumers pull messages. Topics have very loose relation with producers and consumers. Specifically, a topic may have zero, one or multiple producers that sends messages to it; conversely, a producer can sends messages of different topics. In consumer’s view, a topic may be subscribed by zero, one or multiple consumer groups; and a consumer group, in the same paradigm, may subscribe one or multiple topics as long as instances of this group keep their subscription consistent as emphasized in the previous section.</p>
+
+<h1 id="message">Message</h1>
+
+<p>Message is the envelope of your information to deliver. A message must be specified with a topic, which can be interpreted as address of your letter to mail to. A message may also have an optional tag set. Extra key-value pairs may also be included. For example, you may set a business key for your message and look up the message on broker server to diagnose issues during development.</p>
+
+<h2 id="message-queue">Message Queue</h2>
+
+<p>Topic, internally, is logically partitioned into one or more sub-topics. We call these sub-topics “message queues”. This concept plays a major role in implementing valuable features, including fail-over, maximum concurrency, etc.</p>
+
+<h2 id="tag">Tag</h2>
+
+<p>Tag, which can be thought as sub-topic, provides an extra flexibility for user. Through introducing tag,  messages with different purposes from the same business module may have the same topic yet different tag. It would be helpful to keep your code clean and coherent.</p>
+
+<h2 id="broker">Broker</h2>
+
+<p>Broker is the major role of the RocketMQ system. It receives messages sent from producers, store them and being prepared to serve pull requests from consumers. It also stores message consuming related meta data, including consumer groups, consuming progress offsets and topic / queue info.</p>
+
+<h1 id="name-server">Name Server</h1>
+
+<p>Name server serves as the routing information provider. Producer/Consumer clients look up topics to find broker list to read from and write to.</p>
+
+<h1 id="message-model">Message Model</h1>
+
+<ul>
+  <li>
+    <p>Clustering</p>
+  </li>
+  <li>
+    <p>Broadcasting</p>
+  </li>
+</ul>
+
+<h1 id="message-order">Message Order</h1>
+
+<p>When DefaultMQPushConsumer is employed, you may decide to consume messages orderly or concurrently.</p>
+
+<ul>
+  <li>Orderly</li>
+</ul>
+
+<p>Consuming messages orderly means messages are consumed the same order they are sent by producers for each message queue. If you are dealing with scenario that global order is mandatory, make sure the topic you use has only one message queue.</p>
+
+<p><strong>Warn</strong>: If consuming orderly is specified, the maximum concurrency of message consuming is the number of message queues subscribed by the consumer group.</p>
+
+<ul>
+  <li>Concurrently</li>
+</ul>
+
+<p>When consuming concurrently, maximum concurrency of message consuming is only limited by thread pool specified for each consumer client.</p>
+
+<p><strong>Warn</strong>: Message order is no longer guaranteed in this mode.</p>
+
+
+        
+      </section>
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+          <p class="page__date"><strong><i class="fa fa-fw fa-calendar" aria-hidden="true"></i> Updated:</strong> <time datetime="2016-12-17">December 17, 2016</time></p>
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