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<div class="section" id="mbean">
<h1>mbean<a class="headerlink" href="#mbean" title="Permalink to this headline"></a></h1>
<blockquote>
<div><p>show Mbean information</p>
</div></blockquote>
<p>This command can show or monitor Mbean attribute information.</p>
<div class="section" id="parameters">
<h2>Parameters<a class="headerlink" href="#parameters" title="Permalink to this headline"></a></h2>
<table border="1" class="docutils">
<thead>
<tr>
<th align="right">Name</th>
<th align="left">Specification</th>
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<tbody>
<tr>
<td align="right"><em>name-pattern</em></td>
<td align="left">pattern for the Mbean name</td>
</tr>
<tr>
<td align="right"><em>attribute-pattern</em></td>
<td align="left">pattern for the attribute name</td>
</tr>
<tr>
<td align="right">[m]</td>
<td align="left">show meta information</td>
</tr>
<tr>
<td align="right">[i:]</td>
<td align="left">specify the interval to refresh attribute value (ms)</td>
</tr>
<tr>
<td align="right">[n:]</td>
<td align="left">execution times</td>
</tr>
<tr>
<td align="right">[E]</td>
<td align="left">turn on regex matching while the default mode is wildcard matching. Only effect on the attribute name</td>
</tr>
</tbody>
</table></div>
<div class="section" id="usage">
<h2>Usage<a class="headerlink" href="#usage" title="Permalink to this headline"></a></h2>
<p>show all Mbean names:</p>
<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean</pre></div>
</div>
<p>show meta data of Mbean:</p>
<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean -m java.lang:type=Threading</pre></div>
</div>
<p>show attributes of Mbean:</p>
<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean java.lang:type=Threading </pre></div>
</div>
<p>Mbean name support wildcard matcher:</p>
<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean java.lang:type=Th*</pre></div>
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<blockquote>
<div><p>NotesObjectName 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></p>
</div></blockquote>
<p>Wildcards match specific attributes:</p>
<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean java.lang:type=Threading *Count</pre></div>
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<p>Switch to regular matching using the <code class="docutils literal notranslate"><span class="pre">-E</span></code> command:</p>
<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean -E java.lang:type=Threading PeakThreadCount|ThreadCount|DaemonThreadCount</pre></div>
</div>
<p>Real-time monitoring using <code class="docutils literal notranslate"><span class="pre">-i</span></code> command:</p>
<div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">mbean -i 1000 java.lang:type=Threading *Count</pre></div>
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