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navigation"> <ul class="wy-breadcrumbs"> <li><a href="index.html">Docs</a> »</li> <li><a href="commands.html">All Commands</a> »</li> <li>vmoption</li> <li class="wy-breadcrumbs-aside"> <a href="https://github.com/alibaba/arthas/blob/master/site/src/site/sphinx/en/vmoption.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="vmoption"> <h1>vmoption<a class="headerlink" href="#vmoption" title="Permalink to this headline">¶</a></h1> <blockquote> <div><p>Display, and update the vm diagnostic options.</p> </div></blockquote> <div class="section" id="usage"> <h2>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2> <div class="section" id="view-all-options"> <h3>View all options<a class="headerlink" href="#view-all-options" title="Permalink to this headline">¶</a></h3> <div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">[arthas@56963]$ vmoption KEY VALUE ORIGIN WRITEABLE --------------------------------------------------------------------------------------------- HeapDumpBeforeFullGC false DEFAULT true HeapDumpAfterFullGC false DEFAULT true HeapDumpOnOutOfMemory false DEFAULT true Error HeapDumpPath DEFAULT true CMSAbortablePrecleanW 100 DEFAULT true aitMillis CMSWaitDuration 2000 DEFAULT true CMSTriggerInterval -1 DEFAULT true PrintGC false DEFAULT true PrintGCDetails true MANAGEMENT true PrintGCDateStamps false DEFAULT true PrintGCTimeStamps false DEFAULT true PrintGCID false DEFAULT true PrintClassHistogramBe false DEFAULT true foreFullGC PrintClassHistogramAf false DEFAULT true terFullGC PrintClassHistogram false DEFAULT true MinHeapFreeRatio 0 DEFAULT true MaxHeapFreeRatio 100 DEFAULT true PrintConcurrentLocks false DEFAULT true</pre></div> </div> </div> <div class="section" id="view-individual-option"> <h3>View individual option<a class="headerlink" href="#view-individual-option" title="Permalink to this headline">¶</a></h3> <div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">[arthas@56963]$ vmoption PrintGCDetails KEY VALUE ORIGIN WRITEABLE --------------------------------------------------------------------------------------------- PrintGCDetails false MANAGEMENT true</pre></div> </div> </div> <div class="section" id="update-individual-option"> <h3>Update individual option<a class="headerlink" href="#update-individual-option" title="Permalink to this headline">¶</a></h3> <div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">[arthas@56963]$ vmoption PrintGCDetails true Successfully updated the vm option. PrintGCDetails=true</pre></div> </div> </div> </div> </div> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> <a href="logger.html" class="btn btn-neutral float-right" title="logger" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right"></span></a> <a href="sysenv.html" class="btn btn-neutral float-left" title="sysenv" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a> </div> <hr/> <div role="contentinfo"> <p> © Copyright 2018-2019, Alibaba Middleware Group, and contributors </p> </div> Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/rtfd/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. </footer> </div> </div> </section> </div> <script type="text/javascript"> jQuery(function () { SphinxRtdTheme.Navigation.enable(true); }); </script> <div class="github-fork-ribbon-wrapper right"> <div class="github-fork-ribbon"> <a href="https://github.com/alibaba/arthas" target="_blank">Fork me at GitHub</a> </div> </div> <script type="text/javascript" src="_static/add_badges.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.13.1/highlight.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/highlightjs-line-numbers.js/2.5.0/highlightjs-line-numbers.min.js"></script> <script> document.querySelectorAll('div.hljs > pre').forEach(function(block) { hljs.highlightBlock(block); hljs.lineNumbersBlock(block); }); </script> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?d5c5e25b100f0eb51a4c35c8a86ea9b4"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </body> </html>