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3.1.1
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<div class="section" id="mbean">
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<span id="mbean"></span><h1>mbean<a class="headerlink" href="#mbean" title="Permalink to this headline">¶</a></h1>
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<blockquote>
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<div>show Mbean information</div></blockquote>
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<p>This command can show or monitor Mbean attribute information.</p>
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<div class="section" id="parameters">
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<span id="parameters"></span><h2>Parameters<a class="headerlink" href="#parameters" title="Permalink to this headline">¶</a></h2>
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<table border="1" class="docutils">
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<thead>
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<tr>
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<th align="right">Name</th>
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<th align="left">Specification</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td align="right"><em>name-pattern</em></td>
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<td align="left">pattern for the Mbean name</td>
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</tr>
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<tr>
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<td align="right"><em>attribute-pattern</em></td>
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<td align="left">pattern for the attribute name</td>
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</tr>
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<tr>
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<td align="right">[m]</td>
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<td align="left">show meta information</td>
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</tr>
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<tr>
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<td align="right">[i:]</td>
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<td align="left">specify the interval to refresh attribute value (ms)</td>
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</tr>
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<tr>
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<td align="right">[n:]</td>
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<td align="left">execution times</td>
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</tr>
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<tr>
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<td align="right">[E]</td>
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<td align="left">turn on regex matching while the default mode is wildcard matching. Only effect on the attribute name</td>
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</tr>
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</tbody>
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</table></div>
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<div class="section" id="usage">
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<span id="usage"></span><h2>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2>
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<p>show all Mbean names:</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean
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</pre></div>
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</div>
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<p>show meta data of Mbean:</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean -m java.lang:type=Threading
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</pre></div>
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</div>
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<p>show attributes of Mbean:</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean java.lang:type=Threading
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</pre></div>
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</div>
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<p>Mbean name support wildcard matcher:</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean java.lang:type=Th*
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</pre></div>
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</div>
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<blockquote>
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<div>Notes：ObjectName matching rules differ from normal wildcards, Reference resources：<a class="reference external" href="https://docs.oracle.com/javase/8/docs/api/javax/management/ObjectName.html?is-external=true">javax.management.ObjectName</a></div></blockquote>
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<p>Wildcards match specific attributes:</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean java.lang:type=Threading *Count
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</pre></div>
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</div>
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<p>Switch to regular matching using the <tt class="docutils literal">-E</tt> command:</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean -E java.lang:type=Threading PeakThreadCount|ThreadCount|DaemonThreadCount
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</pre></div>
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</div>
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<p>Real-time monitoring using <tt class="docutils literal">-i</tt> command:</p>
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<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean -i 1000 java.lang:type=Threading *Count
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</pre></div>
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</div>
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© Copyright 2018-2019, Alibaba Middleware Group, and contributors.
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hengyunabc
6 years ago