cassandra-server
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A thin Javascript wrapper around Apache Cassandra to provide out of the box server support
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<div class="subTitle">org.apache.cassandra.metrics</div>
<h2 title="Class ThreadPoolMetrics" class="title">Class ThreadPoolMetrics</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="strong">ThreadPoolMetrics</span>
extends java.lang.Object</pre>
<div class="block">Metrics for <code>ThreadPoolExecutor</code>.</div>
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<td class="colFirst"><code>com.yammer.metrics.core.Gauge<java.lang.Integer></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/metrics/ThreadPoolMetrics.html#activeTasks">activeTasks</a></strong></code>
<div class="block">Number of active tasks.</div>
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<td class="colFirst"><code>com.yammer.metrics.core.Gauge<java.lang.Long></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/metrics/ThreadPoolMetrics.html#completedTasks">completedTasks</a></strong></code>
<div class="block">Number of completed tasks.</div>
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<td class="colFirst"><code>com.yammer.metrics.core.Counter</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/metrics/ThreadPoolMetrics.html#currentBlocked">currentBlocked</a></strong></code>
<div class="block">Number of tasks currently blocked, waiting to be accepted by
the executor (because all threads are busy and the backing queue is full).</div>
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<td class="colFirst"><code>com.yammer.metrics.core.Gauge<java.lang.Long></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/metrics/ThreadPoolMetrics.html#pendingTasks">pendingTasks</a></strong></code>
<div class="block">Number of tasks waiting to be executed.</div>
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<td class="colFirst"><code>com.yammer.metrics.core.Counter</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/metrics/ThreadPoolMetrics.html#totalBlocked">totalBlocked</a></strong></code>
<div class="block">Number of tasks that had blocked before being accepted (or rejected).</div>
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<td class="colOne"><code><strong><a href="../../../../org/apache/cassandra/metrics/ThreadPoolMetrics.html#ThreadPoolMetrics(java.util.concurrent.ThreadPoolExecutor,%20java.lang.String,%20java.lang.String)">ThreadPoolMetrics</a></strong>(java.util.concurrent.ThreadPoolExecutor executor,
java.lang.String path,
java.lang.String poolName)</code>
<div class="block">Create metrics for given ThreadPoolExecutor.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/metrics/ThreadPoolMetrics.html#release()">release</a></strong>()</code> </td>
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<h4>activeTasks</h4>
<pre>public final com.yammer.metrics.core.Gauge<java.lang.Integer> activeTasks</pre>
<div class="block">Number of active tasks.</div>
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<pre>public final com.yammer.metrics.core.Counter totalBlocked</pre>
<div class="block">Number of tasks that had blocked before being accepted (or rejected).</div>
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<pre>public final com.yammer.metrics.core.Counter currentBlocked</pre>
<div class="block">Number of tasks currently blocked, waiting to be accepted by
the executor (because all threads are busy and the backing queue is full).</div>
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<h4>completedTasks</h4>
<pre>public final com.yammer.metrics.core.Gauge<java.lang.Long> completedTasks</pre>
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<pre>public final com.yammer.metrics.core.Gauge<java.lang.Long> pendingTasks</pre>
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<h4>ThreadPoolMetrics</h4>
<pre>public ThreadPoolMetrics(java.util.concurrent.ThreadPoolExecutor executor,
java.lang.String path,
java.lang.String poolName)</pre>
<div class="block">Create metrics for given ThreadPoolExecutor.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>executor</code> - Thread pool</dd><dd><code>path</code> - Type of thread pool</dd><dd><code>poolName</code> - Name of thread pool to identify metrics</dd></dl>
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