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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.hadoop.hbase</a></div>
<h1 title="Interface ClusterMetrics" class="title">Interface ClusterMetrics</h1>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Known Implementing Classes:</dt>
<dd><code><a href="ClusterMetricsBuilder.ClusterMetricsImpl.html" title="class in org.apache.hadoop.hbase">ClusterMetricsBuilder.ClusterMetricsImpl</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="annotations">@Public
</span><span class="modifiers">public interface </span><span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-69">ClusterMetrics</a></span></div>
<div class="block">Metrics information on the HBase cluster.
<p>
<tt>ClusterMetrics</tt> provides clients with information such as:
<ul>
<li>The count and names of region servers in the cluster.</li>
<li>The count and names of dead region servers in the cluster.</li>
<li>The name of the active master for the cluster.</li>
<li>The name(s) of the backup master(s) for the cluster, if they exist.</li>
<li>The average cluster load.</li>
<li>The number of regions deployed on the cluster.</li>
<li>The number of requests since last report.</li>
<li>Detailed region server loading and resource usage information, per server and per
region.</li>
<li>Regions in transition at master</li>
<li>The unique cluster ID</li>
</ul>
<tt><a href="ClusterMetrics.Option.html" title="enum class in org.apache.hadoop.hbase"><code>ClusterMetrics.Option</code></a></tt> provides a way to get desired ClusterStatus information. The following
codes will get all the cluster information.
<pre>
{
&#64;code
// Original version still works
Admin admin = connection.getAdmin();
ClusterMetrics metrics = admin.getClusterStatus();
// or below, a new version which has the same effects
ClusterMetrics metrics = admin.getClusterStatus(EnumSet.allOf(Option.class));
}
</pre>
If information about live servers is the only wanted. then codes in the following way:
<pre>
{
&#64;code
Admin admin = connection.getAdmin();
ClusterMetrics metrics = admin.getClusterStatus(EnumSet.of(Option.LIVE_SERVERS));
}
</pre></div>
</section>
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<h2>Nested Class Summary</h2>
<div class="caption"><span>Nested Classes</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Interface</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static enum&nbsp;</code></div>
<div class="col-second even-row-color"><code><a href="ClusterMetrics.Option.html" class="type-name-link" title="enum class in org.apache.hadoop.hbase">ClusterMetrics.Option</a></code></div>
<div class="col-last even-row-color">
<div class="block">Kinds of ClusterMetrics</div>
</div>
</div>
</section>
</li>
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<h2>Method Summary</h2>
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<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button><button id="method-summary-table-tab5" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab5', 3)" class="table-tab">Default Methods</button></div>
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<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default double</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#getAverageLoad()" class="member-name-link">getAverageLoad</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5">
<div class="block">Returns the average cluster load</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getBackupMasterNames()" class="member-name-link">getBackupMasterNames</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the names of backup masters</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Boolean.html" title="class or interface in java.lang" class="external-link">Boolean</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getBalancerOn()" class="member-name-link">getBalancerOn</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getClusterId()" class="member-name-link">getClusterId</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getDeadServerNames()" class="member-name-link">getDeadServerNames</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the names of region servers on the dead list</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getDecommissionedServerNames()" class="member-name-link">getDecommissionedServerNames</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the names of region servers on the decommissioned list</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getHBaseVersion()" class="member-name-link">getHBaseVersion</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the HBase version string as reported by the HMaster</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default long</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#getLastMajorCompactionTimestamp(byte%5B%5D)" class="member-name-link">getLastMajorCompactionTimestamp</a><wbr>(byte[]&nbsp;regionName)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default long</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#getLastMajorCompactionTimestamp(org.apache.hadoop.hbase.TableName)" class="member-name-link">getLastMajorCompactionTimestamp</a><wbr>(<a href="TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;table)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<wbr><a href="ServerMetrics.html" title="interface in org.apache.hadoop.hbase">ServerMetrics</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getLiveServerMetrics()" class="member-name-link">getLiveServerMetrics</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the names of region servers on the live list</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMasterCoprocessorNames()" class="member-name-link">getMasterCoprocessorNames</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>int</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMasterInfoPort()" class="member-name-link">getMasterInfoPort</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMasterName()" class="member-name-link">getMasterName</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns detailed information about the current master <a href="ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerTask.html" title="interface in org.apache.hadoop.hbase">ServerTask</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMasterTasks()" class="member-name-link">getMasterTasks</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Provide the list of master tasks</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#getRegionCount()" class="member-name-link">getRegionCount</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5">
<div class="block">Returns the number of regions deployed on the cluster</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="master/RegionState.html" title="class in org.apache.hadoop.hbase.master">RegionState</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getRegionStatesInTransition()" class="member-name-link">getRegionStatesInTransition</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default long</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#getRequestCount()" class="member-name-link">getRequestCount</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5">
<div class="block">Returns the number of requests since last report</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getServersName()" class="member-name-link">getServersName</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>,<wbr><a href="client/RegionStatesCount.html" title="class in org.apache.hadoop.hbase.client">RegionStatesCount</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getTableRegionStatesCount()" class="member-name-link">getTableRegionStatesCount</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Provide region states count for given table.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getUnknownServerNames()" class="member-name-link">getUnknownServerNames</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the names of region servers on the unknown list</div>
</div>
</div>
</div>
</div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="getHBaseVersion()">
<h3>getHBaseVersion</h3>
<div class="member-signature"><span class="annotations">@Nullable
</span><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-73">getHBaseVersion</a></span>()</div>
<div class="block">Returns the HBase version string as reported by the HMaster</div>
</section>
</li>
<li>
<section class="detail" id="getDeadServerNames()">
<h3>getDeadServerNames</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-77">getDeadServerNames</a></span>()</div>
<div class="block">Returns the names of region servers on the dead list</div>
</section>
</li>
<li>
<section class="detail" id="getUnknownServerNames()">
<h3>getUnknownServerNames</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-80">getUnknownServerNames</a></span>()</div>
<div class="block">Returns the names of region servers on the unknown list</div>
</section>
</li>
<li>
<section class="detail" id="getDecommissionedServerNames()">
<h3>getDecommissionedServerNames</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-83">getDecommissionedServerNames</a></span>()</div>
<div class="block">Returns the names of region servers on the decommissioned list</div>
</section>
</li>
<li>
<section class="detail" id="getLiveServerMetrics()">
<h3>getLiveServerMetrics</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>,<wbr><a href="ServerMetrics.html" title="interface in org.apache.hadoop.hbase">ServerMetrics</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-86">getLiveServerMetrics</a></span>()</div>
<div class="block">Returns the names of region servers on the live list</div>
</section>
</li>
<li>
<section class="detail" id="getRegionCount()">
<h3>getRegionCount</h3>
<div class="member-signature"><span class="modifiers">default</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-89">getRegionCount</a></span>()</div>
<div class="block">Returns the number of regions deployed on the cluster</div>
</section>
</li>
<li>
<section class="detail" id="getRequestCount()">
<h3>getRequestCount</h3>
<div class="member-signature"><span class="modifiers">default</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-95">getRequestCount</a></span>()</div>
<div class="block">Returns the number of requests since last report</div>
</section>
</li>
<li>
<section class="detail" id="getMasterName()">
<h3>getMasterName</h3>
<div class="member-signature"><span class="annotations">@Nullable
</span><span class="return-type"><a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-105">getMasterName</a></span>()</div>
<div class="block">Returns detailed information about the current master <a href="ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a>.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>current master information if it exists</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getBackupMasterNames()">
<h3>getBackupMasterNames</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-109">getBackupMasterNames</a></span>()</div>
<div class="block">Returns the names of backup masters</div>
</section>
</li>
<li>
<section class="detail" id="getRegionStatesInTransition()">
<h3>getRegionStatesInTransition</h3>
<div class="member-signature"><span class="annotations">@Private
</span><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="master/RegionState.html" title="class in org.apache.hadoop.hbase.master">RegionState</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-111">getRegionStatesInTransition</a></span>()</div>
</section>
</li>
<li>
<section class="detail" id="getClusterId()">
<h3>getClusterId</h3>
<div class="member-signature"><span class="annotations">@Nullable
</span><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-114">getClusterId</a></span>()</div>
</section>
</li>
<li>
<section class="detail" id="getMasterCoprocessorNames()">
<h3>getMasterCoprocessorNames</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-117">getMasterCoprocessorNames</a></span>()</div>
</section>
</li>
<li>
<section class="detail" id="getLastMajorCompactionTimestamp(org.apache.hadoop.hbase.TableName)">
<h3>getLastMajorCompactionTimestamp</h3>
<div class="member-signature"><span class="modifiers">default</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-119">getLastMajorCompactionTimestamp</a></span><wbr><span class="parameters">(<a href="TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;table)</span></div>
</section>
</li>
<li>
<section class="detail" id="getLastMajorCompactionTimestamp(byte[])">
<h3>getLastMajorCompactionTimestamp</h3>
<div class="member-signature"><span class="modifiers">default</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-126">getLastMajorCompactionTimestamp</a></span><wbr><span class="parameters">(byte[]&nbsp;regionName)</span></div>
</section>
</li>
<li>
<section class="detail" id="getBalancerOn()">
<h3>getBalancerOn</h3>
<div class="member-signature"><span class="annotations">@Nullable
</span><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Boolean.html" title="class or interface in java.lang" class="external-link">Boolean</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-132">getBalancerOn</a></span>()</div>
</section>
</li>
<li>
<section class="detail" id="getMasterInfoPort()">
<h3>getMasterInfoPort</h3>
<div class="member-signature"><span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-135">getMasterInfoPort</a></span>()</div>
</section>
</li>
<li>
<section class="detail" id="getServersName()">
<h3>getServersName</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-137">getServersName</a></span>()</div>
</section>
</li>
<li>
<section class="detail" id="getAverageLoad()">
<h3>getAverageLoad</h3>
<div class="member-signature"><span class="modifiers">default</span>&nbsp;<span class="return-type">double</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-140">getAverageLoad</a></span>()</div>
<div class="block">Returns the average cluster load</div>
</section>
</li>
<li>
<section class="detail" id="getTableRegionStatesCount()">
<h3>getTableRegionStatesCount</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>,<wbr><a href="client/RegionStatesCount.html" title="class in org.apache.hadoop.hbase.client">RegionStatesCount</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-153">getTableRegionStatesCount</a></span>()</div>
<div class="block">Provide region states count for given table. e.g howmany regions of give table are
opened/closed/rit etc</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>map of table to region states count</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getMasterTasks()">
<h3>getMasterTasks</h3>
<div class="member-signature"><span class="annotations">@Nullable
</span><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="ServerTask.html" title="interface in org.apache.hadoop.hbase">ServerTask</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ClusterMetrics.html#line-158">getMasterTasks</a></span>()</div>
<div class="block">Provide the list of master tasks</div>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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