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Manual" href="index.html" /> <link rel="next" title="Buildbot Development" href="../developer/index.html" /> <link rel="prev" title="Resources" href="resources.html" /> </head> <body> <div class="header-wrapper"> <div class="header"> <p class="logo"><a href="../index.html"> <img class="logo" src="../_static/header-text-transparent.png" alt="Logo"/> </a></p> <div class="headertitle"><a href="../index.html">Buildbot 0.8.8 documentation</a></div> <div class="rel"> <a href="resources.html" title="Resources" accesskey="P">previous</a> | <a href="../developer/index.html" title="Buildbot Development" accesskey="N">next</a> | <a href="../py-modindex.html" title="Python Module Index" >modules</a> | <a href="../genindex.html" title="General Index" accesskey="I">index</a> </div> </div> </div> <div class="content-wrapper"> <div class="content"> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="optimization"> <span id="id1"></span><h1>Optimization<a class="headerlink" href="#optimization" title="Permalink to this headline">¶</a></h1> <p>If you're feeling your Buildbot is running a bit slow, here are some tricks that may help you, but use them at your own risk.</p> <div class="section" id="properties-load-speedup"> <h2>Properties load speedup<a class="headerlink" href="#properties-load-speedup" title="Permalink to this headline">¶</a></h2> <p>For example, if most of your build properties are strings, you can gain an approx. 30% speedup if you put this snippet of code inside your master.cfg file:</p> <div class="highlight-python"><div class="highlight"><pre><span class="k">def</span> <span class="nf">speedup_json_loads</span><span class="p">():</span> <span class="kn">import</span> <span class="nn">json</span><span class="o">,</span> <span class="nn">re</span> <span class="n">original_decode</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">_default_decoder</span><span class="o">.</span><span class="n">decode</span> <span class="n">my_regexp</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="s">r'^\[\"([^"]*)\",\s+\"([^"]*)\"\]$'</span><span class="p">)</span> <span class="k">def</span> <span class="nf">decode_with_re</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">):</span> <span class="n">m</span> <span class="o">=</span> <span class="n">my_regexp</span><span class="o">.</span><span class="n">match</span><span class="p">(</span><span class="nb">str</span><span class="p">)</span> <span class="k">try</span><span class="p">:</span> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">m</span><span class="o">.</span><span class="n">groups</span><span class="p">())</span> <span class="k">except</span><span class="p">:</span> <span class="k">return</span> <span class="n">original_decode</span><span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kw</span><span class="p">)</span> <span class="n">json</span><span class="o">.</span><span class="n">_default_decoder</span><span class="o">.</span><span class="n">decode</span> <span class="o">=</span> <span class="n">decode_with_re</span> <span class="n">speedup_json_loads</span><span class="p">()</span> </pre></div> </div> <p>It patches json decoder so that it would first try to extract a value from JSON that is a list of two strings (which is the case for a property being a string), and would fallback to general JSON decoder on any error</p> </div> </div> </div> </div> </div> </div> <div class="sidebar"> <h3>Table Of Contents</h3> <ul class="current"> <li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Buildbot Tutorial</a></li> <li class="toctree-l1 current"><a class="reference internal" href="index.html">Buildbot Manual</a><ul class="current"> <li class="toctree-l2"><a class="reference internal" href="introduction.html">Introduction</a></li> <li class="toctree-l2"><a class="reference internal" href="installation.html">Installation</a></li> <li class="toctree-l2"><a class="reference internal" href="concepts.html">Concepts</a></li> <li class="toctree-l2"><a class="reference internal" href="configuration.html">Configuration</a></li> <li class="toctree-l2"><a class="reference internal" href="customization.html">Customization</a></li> <li class="toctree-l2"><a class="reference internal" href="cmdline.html">Command-line Tool</a></li> <li class="toctree-l2"><a class="reference internal" href="resources.html">Resources</a></li> <li class="toctree-l2 current"><a class="current reference internal" href="">Optimization</a><ul class="simple"> </ul> </li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="../developer/index.html">Buildbot Development</a></li> <li class="toctree-l1"><a class="reference internal" href="../relnotes/index.html">Release Notes for Buildbot v0.8.8</a></li> </ul> <h3 style="margin-top: 1.5em;">Search</h3> <form class="search" action="../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <div class="clearer"></div> </div> </div> <div class="footer-wrapper"> <div class="footer"> <div class="left"> <a href="resources.html" title="Resources" >previous</a> | <a href="../developer/index.html" title="Buildbot 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