<!DOCTYPE html> <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Batch Processing — Arthas 3.0.5-SNAPSHOT documentation</title> <link rel="shortcut icon" href="_static/favicon.ico"/> <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" href="_static/overrides.css" type="text/css" /> <link rel="index" title="Index" href="genindex.html" /> <link rel="search" title="Search" href="search.html" /> <link rel="next" title="All Commands" href="commands.html" /> <link rel="prev" title="Log command outputs" href="save-log.html" /> <script src="_static/center_page.js"></script> <script src="_static/js/modernizr.min.js"></script> </head> <body class="wy-body-for-nav"> <div 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href="https://github.com/alibaba/arthas/blob/master/site/src/site/sphinx/en/batch-support.md" class="fa fa-github"> Edit on GitHub</a> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <div class="section" id="batch-processing"> <span id="batch-processing"></span><h1>Batch Processing<a class="headerlink" href="#batch-processing" title="Permalink to this headline">¶</a></h1> <p>With the help of <code class="docutils literal notranslate"><span class="pre">Batch</span> <span class="pre">Processing</span></code>, you can run several commands in one line and get the results.</p> <div class="section" id="usage"> <span id="usage"></span><h2>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2> <div class="section" id="step-1-create-the-script"> <span id="step-1-create-the-script"></span><h3>Step-1: Create the script<a class="headerlink" href="#step-1-create-the-script" title="Permalink to this headline">¶</a></h3> <p>Creating a <code class="docutils literal notranslate"><span class="pre">test.as</span></code> script suffixed with <code class="docutils literal notranslate"><span class="pre">as</span></code> here for consistency (actually any suffix is acceptable).</p> <div class="highlight-default notranslate"><div class="highlight"><pre><span></span>➜ arthas git:(develop) cat /var/tmp/test.as help dashboard -b -n 1 session thread sc -d org.apache.commons.lang.StringUtils </pre></div> </div> <p>Attention:</p> <ul class="simple"> <li>each command takes each independent line;</li> <li><code class="docutils literal notranslate"><span class="pre">dashboard</span></code> command should include <code class="docutils literal notranslate"><span class="pre">-b</span></code> to turn on batch mode and <code class="docutils literal notranslate"><span class="pre">-n</span></code> to ensure the script ends;</li> <li>commands as <code class="docutils literal notranslate"><span class="pre">watch/tt/trace/monitor/stack</span></code> should include <code class="docutils literal notranslate"><span class="pre">-n</span></code> option to ensure the script ends;</li> <li><a class="reference internal" href="async.html"><span class="doc">asynchronous</span></a> can also be used as <code class="docutils literal notranslate"><span class="pre">watch</span> <span class="pre">c.t.X</span> <span class="pre">test</span> <span class="pre">returnObj</span> <span class="pre">></span> <span class="pre">&</span></code>;</li> </ul> </div> <div class="section" id="step-2-run-the-script"> <span id="step-2-run-the-script"></span><h3>Step-2: Run the script<a class="headerlink" href="#step-2-run-the-script" title="Permalink to this headline">¶</a></h3> <p>Using <code class="docutils literal notranslate"><span class="pre">-b</span></code> to turn on script mode, and <code class="docutils literal notranslate"><span class="pre">-f</span></code> to run it and you can also <em>redirect</em> the output as:</p> <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>./as.sh -b -f /var/tmp/test.as <span class="m">56328</span> > test.out </pre></div> </div> </div> <div class="section" id="step-3-check-the-outputs"> <span id="step-3-check-the-outputs"></span><h3>Step-3: Check the outputs<a class="headerlink" href="#step-3-check-the-outputs" title="Permalink to this headline">¶</a></h3> <div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>cat test.out </pre></div> </div> </div> </div> </div> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> <a href="commands.html" class="btn btn-neutral float-right" title="All Commands" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a> <a href="save-log.html" class="btn btn-neutral" title="Log command outputs" accesskey="p" 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