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     <h1 id="体验 Onebox 集群">体验 Onebox 集群</h1>
     <h1 id="什么是-onebox-集群">什么是 onebox 集群</h1>

 <p>千言万语不如一个行动。</p>

 <p>初次接触 Pegasus, 你肯定最想了解这个集群运行起来是什么样子的。但是这是一个分布式系统, 然而你手上未必有那么多机器。因此我们提供了 onebox 集群, 让你在一台机器上就能体验 Pegasus 的集群式服务。</p>

 <p>onebox 集群在启动时实际上做了这些事情:</p>
 <ul>
   <li>启动 Zookeeper: 自动从远程下载 zookeeper安装包, 安装在本地的隐藏文件夹<code class="language-plaintext highlighter-rouge">.zk_install</code>下, 然后启动本地 Zookeeper 服务，端口为 22181。</li>
   <li>启动 3 个 MetaServer 和 3 个 ReplicaServer:MetaServer 的端口分别为 34601,34602,34603;ReplicaServer 的端口分别为 34801,34802,34803。</li>
   <li>集群启动后会默认创建一个 temp 表。</li>
 </ul>

 <p>你可以用 onebox 集群感受下 Pegasus 如何工作的, 用 shell 工具读写数据，用 bench 工具跑跑测试 ( 当然别指望 onebox 的性能有多好 ), 也可以通过看日志来了解实现上的一些细节, 或者在集群上折腾各种实验。</p>

 <h1 id="如何体验">如何体验</h1>

 <p>在启动 onebox 集群之前，你需要先编译 Pegasus, 请参考<a href="/zh/docs/build/compile-from-source/">编译构建</a>。</p>

 <p>启动 onebox 集群:</p>
 <div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh start_onebox
 </code></pre></div></div>

 <p>查看 onebox 集群:</p>
 <div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh list_onebox
 </code></pre></div></div>
 <p>如果你能看到 3 个 MetaServer 和 3 个 ReplicaServer 进程, 那么恭喜你, 启动成功了。否则就到<code class="language-plaintext highlighter-rouge">./onebox</code>文件夹下查看<code class="language-plaintext highlighter-rouge">result</code>文件（标准错误输出）、日志、core文件等, 然后给我们发 pull request 报告错误吧。譬如 replica1 进程不在了，那么就到<code class="language-plaintext highlighter-rouge">onebox/replica1</code>下面找 core 文件 (前提是 ulimit 配置为允许产生 core 文件), 到<code class="language-plaintext highlighter-rouge">onebox/replica1/data/log</code>下面找日志文件, 在<code class="language-plaintext highlighter-rouge">onebox/replica1/result</code>查看标准错误输出。</p>

 <p>停止 onebox 集群:</p>
 <div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh stop_onebox
 </code></pre></div></div>
 <p>停止之后你还可以使用 start_onebox 命令重启集群。</p>

 <p>清理 onebox 集群 (<strong>数据也会被清理</strong>):</p>
 <div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh clear_onebox
 </code></pre></div></div>

 <p>停止/启动/重启其中的某一个进程：</p>
 <div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh start_onebox_instance <span class="nt">-h</span>
 ./run.sh stop_onebox_instance <span class="nt">-h</span>
 ./run.sh restart_onebox_instance <span class="nt">-h</span>
 </code></pre></div></div>

 <p>用 shell 工具来查看和管理集群:</p>
 <div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh shell
 </code></pre></div></div>

 <p>关于 shell 工具的详细用法, 请参考<a href="shell">Shell工具</a>。</p>

 <p>用 bench 工具进行读写测试:</p>
 <div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh bench
 </code></pre></div></div>

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	<h1 id="体验 Onebox 集群">体验 Onebox 集群</h1>
	<h1 id="什么是-onebox-集群">什么是 onebox 集群</h1>

	<p>千言万语不如一个行动。</p>

	<p>初次接触 Pegasus, 你肯定最想了解这个集群运行起来是什么样子的。但是这是一个分布式系统, 然而你手上未必有那么多机器。因此我们提供了 onebox 集群, 让你在一台机器上就能体验 Pegasus 的集群式服务。</p>

	<p>onebox 集群在启动时实际上做了这些事情:</p>
	<ul>
	<li>启动 Zookeeper: 自动从远程下载 zookeeper安装包, 安装在本地的隐藏文件夹<code class="language-plaintext highlighter-rouge">.zk_install</code>下, 然后启动本地 Zookeeper 服务，端口为 22181。</li>
	<li>启动 3 个 MetaServer 和 3 个 ReplicaServer:MetaServer 的端口分别为 34601,34602,34603;ReplicaServer 的端口分别为 34801,34802,34803。</li>
	<li>集群启动后会默认创建一个 temp 表。</li>
	</ul>

	<p>你可以用 onebox 集群感受下 Pegasus 如何工作的, 用 shell 工具读写数据，用 bench 工具跑跑测试 ( 当然别指望 onebox 的性能有多好 ), 也可以通过看日志来了解实现上的一些细节, 或者在集群上折腾各种实验。</p>

	<h1 id="如何体验">如何体验</h1>

	<p>在启动 onebox 集群之前，你需要先编译 Pegasus, 请参考<a href="/zh/docs/build/compile-from-source/">编译构建</a>。</p>

	<p>启动 onebox 集群:</p>
	<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh start_onebox
	</code></pre></div></div>

	<p>查看 onebox 集群:</p>
	<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh list_onebox
	</code></pre></div></div>
	<p>如果你能看到 3 个 MetaServer 和 3 个 ReplicaServer 进程, 那么恭喜你, 启动成功了。否则就到<code class="language-plaintext highlighter-rouge">./onebox</code>文件夹下查看<code class="language-plaintext highlighter-rouge">result</code>文件（标准错误输出）、日志、core文件等, 然后给我们发 pull request 报告错误吧。譬如 replica1 进程不在了，那么就到<code class="language-plaintext highlighter-rouge">onebox/replica1</code>下面找 core 文件 (前提是 ulimit 配置为允许产生 core 文件), 到<code class="language-plaintext highlighter-rouge">onebox/replica1/data/log</code>下面找日志文件, 在<code class="language-plaintext highlighter-rouge">onebox/replica1/result</code>查看标准错误输出。</p>

	<p>停止 onebox 集群:</p>
	<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh stop_onebox
	</code></pre></div></div>
	<p>停止之后你还可以使用 start_onebox 命令重启集群。</p>

	<p>清理 onebox 集群 (<strong>数据也会被清理</strong>):</p>
	<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh clear_onebox
	</code></pre></div></div>

	<p>停止/启动/重启其中的某一个进程：</p>
	<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh start_onebox_instance <span class="nt">-h</span>
	./run.sh stop_onebox_instance <span class="nt">-h</span>
	./run.sh restart_onebox_instance <span class="nt">-h</span>
	</code></pre></div></div>

	<p>用 shell 工具来查看和管理集群:</p>
	<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh shell
	</code></pre></div></div>

	<p>关于 shell 工具的详细用法, 请参考<a href="shell">Shell工具</a>。</p>

	<p>用 bench 工具进行读写测试:</p>
	<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./run.sh bench
	</code></pre></div></div>

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