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<h1 title="Package" class="title">Package&nbsp;org.apache.hadoop.hbase.metrics</h1>
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<div class="block">Metrics API for HBase.</div>
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<p>See:&nbsp;<a href="#package.description">Description</a></p>
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<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/BaseSource.html" title="interface in org.apache.hadoop.hbase.metrics">BaseSource</a></td>
<td class="colLast">
<div class="block">BaseSource for dynamic metrics to announce to Metrics2.</div>
</td>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Counter.html" title="interface in org.apache.hadoop.hbase.metrics">Counter</a></td>
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<div class="block">A mutable number optimized for high concurrency counting.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/ExceptionTrackingSource.html" title="interface in org.apache.hadoop.hbase.metrics">ExceptionTrackingSource</a></td>
<td class="colLast">
<div class="block">Common interface for metrics source implementations which need to track individual exception
types thrown or received.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Gauge.html" title="interface in org.apache.hadoop.hbase.metrics">Gauge</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">A metrics which measures a discrete value.</div>
</td>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Histogram.html" title="interface in org.apache.hadoop.hbase.metrics">Histogram</a></td>
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<div class="block">A metric which measures the distribution of values.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/JvmPauseMonitorSource.html" title="interface in org.apache.hadoop.hbase.metrics">JvmPauseMonitorSource</a></td>
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<div class="block">Interface for sources that will export JvmPauseMonitor metrics</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MBeanSource.html" title="interface in org.apache.hadoop.hbase.metrics">MBeanSource</a></td>
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<div class="block">Object that will register an mbean with the underlying metrics implementation.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html" title="interface in org.apache.hadoop.hbase.metrics">Meter</a></td>
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<div class="block">A metric which measure the rate at which some operation is invoked.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Metric.html" title="interface in org.apache.hadoop.hbase.metrics">Metric</a></td>
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<div class="block">Parent interface for all metrics.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MetricRegistry.html" title="interface in org.apache.hadoop.hbase.metrics">MetricRegistry</a></td>
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<div class="block">General purpose factory for creating various metrics.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MetricRegistryFactory.html" title="interface in org.apache.hadoop.hbase.metrics">MetricRegistryFactory</a></td>
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<div class="block">A Factory for creating MetricRegistries.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MetricSet.html" title="interface in org.apache.hadoop.hbase.metrics">MetricSet</a></td>
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<div class="block">A set of named metrics.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Snapshot.html" title="interface in org.apache.hadoop.hbase.metrics">Snapshot</a></td>
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<div class="block">A statictical sample of histogram values.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Timer.html" title="interface in org.apache.hadoop.hbase.metrics">Timer</a></td>
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<div class="block">A metric which encompasses a <a href="../../../../../org/apache/hadoop/hbase/metrics/Histogram.html" title="interface in org.apache.hadoop.hbase.metrics"><code>Histogram</code></a> and <a href="../../../../../org/apache/hadoop/hbase/metrics/Meter.html" title="interface in org.apache.hadoop.hbase.metrics"><code>Meter</code></a>.</div>
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<th class="colFirst" scope="col">Class</th>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/BaseSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">BaseSourceImpl</a></td>
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<div class="block">Hadoop 2 implementation of BaseSource (using metrics2 framework).</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/ExceptionTrackingSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">ExceptionTrackingSourceImpl</a></td>
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<div class="block">Common base implementation for metrics sources which need to track exceptions thrown or
received.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/Interns.html" title="class in org.apache.hadoop.hbase.metrics">Interns</a></td>
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<div class="block">Helpers to create interned metrics info</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MBeanSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">MBeanSourceImpl</a></td>
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<div class="block">Hadoop2 metrics2 implementation of an object that registers MBeans.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MetricRegistries.html" title="class in org.apache.hadoop.hbase.metrics">MetricRegistries</a></td>
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<div class="block">MetricRegistries is collection of MetricRegistry's.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MetricRegistriesLoader.html" title="class in org.apache.hadoop.hbase.metrics">MetricRegistriesLoader</a></td>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MetricRegistryInfo.html" title="class in org.apache.hadoop.hbase.metrics">MetricRegistryInfo</a></td>
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<div class="block">HBase Metrics are grouped in different MetricRegistry'ies.</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/MetricsInfoImpl.html" title="class in org.apache.hadoop.hbase.metrics">MetricsInfoImpl</a></td>
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<div class="block">Making implementing metric info a little easier</div>
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<td class="colFirst"><a href="../../../../../org/apache/hadoop/hbase/metrics/OperationMetrics.html" title="class in org.apache.hadoop.hbase.metrics">OperationMetrics</a></td>
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<div class="block">Container class for commonly collected metrics for most operations.</div>
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