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<h1 title="Package org.apache.hadoop.hbase.metrics" class="title">Package org.apache.hadoop.hbase.metrics</h1>
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<div class="package-signature">package <span class="element-name">org.apache.hadoop.hbase.metrics</span></div>
<section class="package-description" id="package-description">
<div class="block">Metrics API for HBase.</div>
</section>
<section class="summary">
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<div class="caption"><span>Related Packages</span></div>
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<div class="table-header col-first">Package</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><a href="../package-summary.html">org.apache.hadoop.hbase</a></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><a href="impl/package-summary.html">org.apache.hadoop.hbase.metrics.impl</a></div>
<div class="col-last odd-row-color">
<div class="block">Implementation of the HBase Metrics framework.</div>
</div>
</div>
</div>
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<li>
<div id="class-summary">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="class-summary-tab0" role="tab" aria-selected="true" aria-controls="class-summary.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary', 2)" class="active-table-tab">All Classes and Interfaces</button><button id="class-summary-tab1" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab1', 2)" class="table-tab">Interfaces</button><button id="class-summary-tab2" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab2', 2)" class="table-tab">Classes</button><button id="class-summary-tab3" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab3', 2)" class="table-tab">Enum Classes</button><button id="class-summary-tab7" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab7', 2)" class="table-tab">Annotation Interfaces</button></div>
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<div class="table-header col-first">Class</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="BaseSource.html" title="interface in org.apache.hadoop.hbase.metrics">BaseSource</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">BaseSource for dynamic metrics to announce to Metrics2.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="BaseSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">BaseSourceImpl</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Hadoop 2 implementation of BaseSource (using metrics2 framework).</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab3"><a href="BaseSourceImpl.DefaultMetricsSystemInitializer.html" title="enum class in org.apache.hadoop.hbase.metrics">BaseSourceImpl.DefaultMetricsSystemInitializer</a></div>
<div class="col-last even-row-color class-summary class-summary-tab3">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="Counter.html" title="interface in org.apache.hadoop.hbase.metrics">Counter</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">A mutable number optimized for high concurrency counting.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="ExceptionTrackingSource.html" title="interface in org.apache.hadoop.hbase.metrics">ExceptionTrackingSource</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">Common interface for metrics source implementations which need to track individual exception
types thrown or received.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="ExceptionTrackingSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">ExceptionTrackingSourceImpl</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Common base implementation for metrics sources which need to track exceptions thrown or received.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="Gauge.html" title="interface in org.apache.hadoop.hbase.metrics">Gauge</a>&lt;T&gt;</div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">A metrics which measures a discrete value.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="Histogram.html" title="interface in org.apache.hadoop.hbase.metrics">Histogram</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">A metric which measures the distribution of values.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="Interns.html" title="class in org.apache.hadoop.hbase.metrics">Interns</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Helpers to create interned metrics info</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="JvmPauseMonitorSource.html" title="interface in org.apache.hadoop.hbase.metrics">JvmPauseMonitorSource</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">Interface for sources that will export JvmPauseMonitor metrics</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="MBeanSource.html" title="interface in org.apache.hadoop.hbase.metrics">MBeanSource</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">Object that will register an mbean with the underlying metrics implementation.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MBeanSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">MBeanSourceImpl</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Hadoop2 metrics2 implementation of an object that registers MBeans.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="Meter.html" title="interface in org.apache.hadoop.hbase.metrics">Meter</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">A metric which measure the rate at which some operation is invoked.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="Metric.html" title="interface in org.apache.hadoop.hbase.metrics">Metric</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">Parent interface for all metrics.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="MetricRegistries.html" title="class in org.apache.hadoop.hbase.metrics">MetricRegistries</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">MetricRegistries is collection of MetricRegistry's.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MetricRegistries.LazyHolder.html" title="class in org.apache.hadoop.hbase.metrics">MetricRegistries.LazyHolder</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="MetricRegistriesLoader.html" title="class in org.apache.hadoop.hbase.metrics">MetricRegistriesLoader</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="MetricRegistry.html" title="interface in org.apache.hadoop.hbase.metrics">MetricRegistry</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">General purpose factory for creating various metrics.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="MetricRegistryFactory.html" title="interface in org.apache.hadoop.hbase.metrics">MetricRegistryFactory</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">A Factory for creating MetricRegistries.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MetricRegistryInfo.html" title="class in org.apache.hadoop.hbase.metrics">MetricRegistryInfo</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">HBase Metrics are grouped in different MetricRegistry'ies.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="MetricSet.html" title="interface in org.apache.hadoop.hbase.metrics">MetricSet</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">A set of named metrics.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="MetricsInfoImpl.html" title="class in org.apache.hadoop.hbase.metrics">MetricsInfoImpl</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Making implementing metric info a little easier</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OperationMetrics.html" title="class in org.apache.hadoop.hbase.metrics">OperationMetrics</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Container class for commonly collected metrics for most operations.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab7"><a href="PackageMarker.html" title="annotation interface in org.apache.hadoop.hbase.metrics">PackageMarker</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab7">
<div class="block">This is a dummy annotation that forces javac to produce output for otherwise empty
package-info.java.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="Snapshot.html" title="interface in org.apache.hadoop.hbase.metrics">Snapshot</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">A statictical sample of histogram values.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="Timer.html" title="interface in org.apache.hadoop.hbase.metrics">Timer</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">A metric which encompasses a <a href="Histogram.html" title="interface in org.apache.hadoop.hbase.metrics"><code>Histogram</code></a> and <a href="Meter.html" title="interface in org.apache.hadoop.hbase.metrics"><code>Meter</code></a>.</div>
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