https://www.leanku.com/tags/wrk/Recent content in Wrk on Leanku 的博客Hugozh-cnMon, 30 Jun 2025 23:46:01 +0800https://www.leanku.com/post/devops/wrk-%E4%BD%BF%E7%94%A8%E6%8C%87%E5%8D%97/Mon, 30 Jun 2025 23:46:01 +0800https://www.leanku.com/post/devops/wrk-%E4%BD%BF%E7%94%A8%E6%8C%87%E5%8D%97/<h1 id="wrk-使用指南">wrk 使用指南</h1> <h2 id="一介绍">一、介绍</h2> <p>wrk 是一款现代化的 HTTP 基准测试工具，使用 C 语言编写，基于事件通知机制（如 epoll, kqueue），能够产生巨大的负载。相比 ab(apache benchmark)，wrk 具有以下优势：</p> <ul> <li> <p>支持多线程 + 协程模式，能更好地利用多核 CPU</p> </li> <li> <p>支持 LuaJIT 脚本扩展，可自定义请求生成和结果处理</p> </li> <li> <p>性能更高，单机可轻松产生数万 QPS</p> </li> <li> <p>提供更详细的统计信息（延迟分布等）</p> </li> </ul> <h2 id="二安装-wrk">二、安装 wrk</h2> <p>Linux 系统安装</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="ln"> 1</span><span class="cl"><span class="c1"># Ubuntu/Debian</span> </span></span><span class="line"><span class="ln"> 2</span><span class="cl">sudo apt install wrk -y </span></span><span class="line"><span class="ln"> 3</span><span class="cl"> </span></span><span class="line"><span class="ln"> 4</span><span class="cl"><span class="c1"># CentOS/RHEL</span> </span></span><span class="line"><span class="ln"> 5</span><span class="cl">sudo yum install wrk -y </span></span><span class="line"><span class="ln"> 6</span><span class="cl"> </span></span><span class="line"><span class="ln"> 7</span><span class="cl"><span class="c1"># 或从源码编译安装</span> </span></span><span class="line"><span class="ln"> 8</span><span class="cl">git clone https://github.com/wg/wrk.git </span></span><span class="line"><span class="ln"> 9</span><span class="cl"><span class="nb">cd</span> wrk </span></span><span class="line"><span class="ln">10</span><span class="cl">make </span></span><span class="line"><span class="ln">11</span><span class="cl">sudo cp wrk /usr/local/bin/ </span></span></code></pre></div><p>macos</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="ln">1</span><span class="cl">brew install wrk </span></span></code></pre></div><h2 id="三基础使用方法">三、基础使用方法</h2> <h3 id="1--基本命令格式">1. 基本命令格式</h3> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="ln">1</span><span class="cl">wrk &lt;选项&gt; &lt;测试URL&gt; </span></span></code></pre></div><h3 id="2-常用选项说明">2. 常用选项说明</h3> <table> <thead> <tr> <th style="text-align: left">选项</th> <th style="text-align: left">说明</th> <th style="text-align: left">示例值</th> </tr> </thead> <tbody> <tr> <td style="text-align: left">-t</td> <td style="text-align: left">使用的线程数</td> <td style="text-align: left">12 (建议设置为CPU核心数的2-4倍)</td> </tr> <tr> <td style="text-align: left">-c</td> <td style="text-align: left">保持打开的连接数</td> <td style="text-align: left">100</td> </tr> <tr> <td style="text-align: left">-d</td> <td style="text-align: left">测试持续时间</td> <td style="text-align: left">30s (30秒), 2m (2分钟)</td> </tr> <tr> <td style="text-align: left">-s</td> <td style="text-align: left">指定Lua脚本</td> <td style="text-align: left">post.lua</td> </tr> <tr> <td style="text-align: left">-H</td> <td style="text-align: left">添加HTTP头</td> <td style="text-align: left">&ldquo;User-Agent: wrk&rdquo;</td> </tr> <tr> <td style="text-align: left">&ndash;latency</td> <td style="text-align: left">打印延迟统计</td> <td style="text-align: left">无参数</td> </tr> <tr> <td style="text-align: left">&ndash;timeout</td> <td style="text-align: left">超时设置</td> <td style="text-align: left">10s</td> </tr> </tbody> </table> <h3 id="3-基本测试示例">3. 基本测试示例</h3> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="ln">1</span><span class="cl"><span class="c1"># 简单测试：12线程，100连接，持续30秒</span> </span></span><span class="line"><span class="ln">2</span><span class="cl">wrk -t12 -c100 -d30s http://localhost:8080/ </span></span><span class="line"><span class="ln">3</span><span class="cl"> </span></span><span class="line"><span class="ln">4</span><span class="cl"><span class="c1"># 带延迟统计的输出</span> </span></span><span class="line"><span class="ln">5</span><span class="cl">wrk -t12 -c100 -d30s --latency http://localhost:8080/api </span></span><span class="line"><span class="ln">6</span><span class="cl"> </span></span><span class="line"><span class="ln">7</span><span class="cl"><span class="c1"># 带自定义HTTP头</span> </span></span><span class="line"><span class="ln">8</span><span class="cl">wrk -t12 -c100 -d30s -H <span class="s2">&#34;Authorization: Bearer token123&#34;</span> http://localhost:8080/api </span></span></code></pre></div><h2 id="四高级功能使用-lua-脚本">四、高级功能：使用 Lua 脚本</h2> <p>wrk 的强大之处在于支持通过 Lua 脚本自定义请求。</p>