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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.master.balancer</a></div> |
| <h1 title="Class MetricsStochasticBalancerSourceImpl" class="title">Class MetricsStochasticBalancerSourceImpl</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance"><a href="../../metrics/BaseSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">org.apache.hadoop.hbase.metrics.BaseSourceImpl</a> |
| <div class="inheritance"><a href="MetricsBalancerSourceImpl.html" title="class in org.apache.hadoop.hbase.master.balancer">org.apache.hadoop.hbase.master.balancer.MetricsBalancerSourceImpl</a> |
| <div class="inheritance">org.apache.hadoop.hbase.master.balancer.MetricsStochasticBalancerSourceImpl</div> |
| </div> |
| </div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="MetricsBalancerSource.html" title="interface in org.apache.hadoop.hbase.master.balancer">MetricsBalancerSource</a></code>, <code><a href="MetricsStochasticBalancerSource.html" title="interface in org.apache.hadoop.hbase.master.balancer">MetricsStochasticBalancerSource</a></code>, <code><a href="../../metrics/BaseSource.html" title="interface in org.apache.hadoop.hbase.metrics">BaseSource</a></code>, <code>org.apache.hadoop.metrics2.MetricsSource</code></dd> |
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| <div class="type-signature"><span class="annotations">@Private |
| </span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-28">MetricsStochasticBalancerSourceImpl</a></span> |
| <span class="extends-implements">extends <a href="MetricsBalancerSourceImpl.html" title="class in org.apache.hadoop.hbase.master.balancer">MetricsBalancerSourceImpl</a> |
| implements <a href="MetricsStochasticBalancerSource.html" title="interface in org.apache.hadoop.hbase.master.balancer">MetricsStochasticBalancerSource</a></span></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</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">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>private <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><<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>,<wbr><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"><code><a href="#costFunctionDescs" class="member-name-link">costFunctionDescs</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private int</code></div> |
| <div class="col-second odd-row-color"><code><a href="#metricsSize" class="member-name-link">metricsSize</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>private static final float</code></div> |
| <div class="col-second even-row-color"><code><a href="#MRU_LOAD_FACTOR" class="member-name-link">MRU_LOAD_FACTOR</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private int</code></div> |
| <div class="col-second odd-row-color"><code><a href="#mruCap" class="member-name-link">mruCap</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>private final <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><<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>,<wbr><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><<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>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Double.html" title="class or interface in java.lang" class="external-link">Double</a>>></code></div> |
| <div class="col-second even-row-color"><code><a href="#stochasticCosts" class="member-name-link">stochasticCosts</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>private static final <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"><code><a href="#TABLE_FUNCTION_SEP" class="member-name-link">TABLE_FUNCTION_SEP</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.metrics.BaseSourceImpl">Fields inherited from class org.apache.hadoop.hbase.metrics.<a href="../../metrics/BaseSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">BaseSourceImpl</a></h3> |
| <code><a href="../../metrics/BaseSourceImpl.html#metricsAdapter">metricsAdapter</a>, <a href="../../metrics/BaseSourceImpl.html#metricsContext">metricsContext</a>, <a href="../../metrics/BaseSourceImpl.html#metricsDescription">metricsDescription</a>, <a href="../../metrics/BaseSourceImpl.html#metricsJmxContext">metricsJmxContext</a>, <a href="../../metrics/BaseSourceImpl.html#metricsName">metricsName</a>, <a href="../../metrics/BaseSourceImpl.html#metricsRegistry">metricsRegistry</a>, <a href="../../metrics/BaseSourceImpl.html#registry">registry</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.metrics.BaseSource">Fields inherited from interface org.apache.hadoop.hbase.metrics.<a href="../../metrics/BaseSource.html" title="interface in org.apache.hadoop.hbase.metrics">BaseSource</a></h3> |
| <code><a href="../../metrics/BaseSource.html#HBASE_METRICS_SYSTEM_NAME">HBASE_METRICS_SYSTEM_NAME</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.master.balancer.MetricsBalancerSource">Fields inherited from interface org.apache.hadoop.hbase.master.balancer.<a href="MetricsBalancerSource.html" title="interface in org.apache.hadoop.hbase.master.balancer">MetricsBalancerSource</a></h3> |
| <code><a href="MetricsBalancerSource.html#BALANCE_CLUSTER">BALANCE_CLUSTER</a>, <a href="MetricsBalancerSource.html#BALANCER_STATUS">BALANCER_STATUS</a>, <a href="MetricsBalancerSource.html#METRICS_CONTEXT">METRICS_CONTEXT</a>, <a href="MetricsBalancerSource.html#METRICS_DESCRIPTION">METRICS_DESCRIPTION</a>, <a href="MetricsBalancerSource.html#METRICS_JMX_CONTEXT">METRICS_JMX_CONTEXT</a>, <a href="MetricsBalancerSource.html#METRICS_NAME">METRICS_NAME</a>, <a href="MetricsBalancerSource.html#MISC_INVOATION_COUNT">MISC_INVOATION_COUNT</a></code></div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">MetricsStochasticBalancerSourceImpl</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <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-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static 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-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <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-tab1 method-summary-table-tab4"><code>private static int</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#calcMruCap(int)" class="member-name-link">calcMruCap</a><wbr>(int metricsSize)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Calculates the mru cache capacity from the metrics size</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMetrics(org.apache.hadoop.metrics2.MetricsCollector,boolean)" class="member-name-link">getMetrics</a><wbr>(org.apache.hadoop.metrics2.MetricsCollector metricsCollector, |
| boolean all)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateMetricsSize(int)" class="member-name-link">updateMetricsSize</a><wbr>(int size)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Updates the number of metrics reported to JMX</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#updateStochasticCost(java.lang.String,java.lang.String,java.lang.String,java.lang.Double)" class="member-name-link">updateStochasticCost</a><wbr>(<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> tableName, |
| <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> costFunctionName, |
| <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> functionDesc, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Double.html" title="class or interface in java.lang" class="external-link">Double</a> cost)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Reports stochastic load balancer costs to JMX</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.master.balancer.MetricsBalancerSourceImpl">Methods inherited from class org.apache.hadoop.hbase.master.balancer.<a href="MetricsBalancerSourceImpl.html" title="class in org.apache.hadoop.hbase.master.balancer">MetricsBalancerSourceImpl</a></h3> |
| <code><a href="MetricsBalancerSourceImpl.html#incrMiscInvocations()">incrMiscInvocations</a>, <a href="MetricsBalancerSourceImpl.html#init()">init</a>, <a href="MetricsBalancerSourceImpl.html#updateBalanceCluster(long)">updateBalanceCluster</a>, <a href="MetricsBalancerSourceImpl.html#updateBalancerStatus(boolean)">updateBalancerStatus</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.metrics.BaseSourceImpl">Methods inherited from class org.apache.hadoop.hbase.metrics.<a href="../../metrics/BaseSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">BaseSourceImpl</a></h3> |
| <code><a href="../../metrics/BaseSourceImpl.html#decGauge(java.lang.String,long)">decGauge</a>, <a href="../../metrics/BaseSourceImpl.html#getMetricsContext()">getMetricsContext</a>, <a href="../../metrics/BaseSourceImpl.html#getMetricsDescription()">getMetricsDescription</a>, <a href="../../metrics/BaseSourceImpl.html#getMetricsJmxContext()">getMetricsJmxContext</a>, <a href="../../metrics/BaseSourceImpl.html#getMetricsName()">getMetricsName</a>, <a href="../../metrics/BaseSourceImpl.html#getMetricsRegistry()">getMetricsRegistry</a>, <a href="../../metrics/BaseSourceImpl.html#incCounters(java.lang.String,long)">incCounters</a>, <a href="../../metrics/BaseSourceImpl.html#incGauge(java.lang.String,long)">incGauge</a>, <a href="../../metrics/BaseSourceImpl.html#removeMetric(java.lang.String)">removeMetric</a>, <a href="../../metrics/BaseSourceImpl.html#setGauge(java.lang.String,long)">setGauge</a>, <a href="../../metrics/BaseSourceImpl.html#updateHistogram(java.lang.String,long)">updateHistogram</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.metrics.BaseSource">Methods inherited from interface org.apache.hadoop.hbase.metrics.<a href="../../metrics/BaseSource.html" title="interface in org.apache.hadoop.hbase.metrics">BaseSource</a></h3> |
| <code><a href="../../metrics/BaseSource.html#decGauge(java.lang.String,long)">decGauge</a>, <a href="../../metrics/BaseSource.html#getMetricRegistryInfo()">getMetricRegistryInfo</a>, <a href="../../metrics/BaseSource.html#getMetricsContext()">getMetricsContext</a>, <a href="../../metrics/BaseSource.html#getMetricsDescription()">getMetricsDescription</a>, <a href="../../metrics/BaseSource.html#getMetricsJmxContext()">getMetricsJmxContext</a>, <a href="../../metrics/BaseSource.html#getMetricsName()">getMetricsName</a>, <a href="../../metrics/BaseSource.html#incCounters(java.lang.String,long)">incCounters</a>, <a href="../../metrics/BaseSource.html#incGauge(java.lang.String,long)">incGauge</a>, <a href="../../metrics/BaseSource.html#init()">init</a>, <a href="../../metrics/BaseSource.html#removeMetric(java.lang.String)">removeMetric</a>, <a href="../../metrics/BaseSource.html#setGauge(java.lang.String,long)">setGauge</a>, <a href="../../metrics/BaseSource.html#updateHistogram(java.lang.String,long)">updateHistogram</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.master.balancer.MetricsBalancerSource">Methods inherited from interface org.apache.hadoop.hbase.master.balancer.<a href="MetricsBalancerSource.html" title="interface in org.apache.hadoop.hbase.master.balancer">MetricsBalancerSource</a></h3> |
| <code><a href="MetricsBalancerSource.html#incrMiscInvocations()">incrMiscInvocations</a>, <a href="MetricsBalancerSource.html#updateBalanceCluster(long)">updateBalanceCluster</a>, <a href="MetricsBalancerSource.html#updateBalancerStatus(boolean)">updateBalancerStatus</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="TABLE_FUNCTION_SEP"> |
| <h3>TABLE_FUNCTION_SEP</h3> |
| <div class="member-signature"><span class="modifiers">private static final</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> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-31">TABLE_FUNCTION_SEP</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.master.balancer.MetricsStochasticBalancerSourceImpl.TABLE_FUNCTION_SEP">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="MRU_LOAD_FACTOR"> |
| <h3>MRU_LOAD_FACTOR</h3> |
| <div class="member-signature"><span class="modifiers">private static final</span> <span class="return-type">float</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-34">MRU_LOAD_FACTOR</a></span></div> |
| <dl class="notes"> |
| <dt>See Also:</dt> |
| <dd> |
| <ul class="see-list"> |
| <li><a href="../../../../../../constant-values.html#org.apache.hadoop.hbase.master.balancer.MetricsStochasticBalancerSourceImpl.MRU_LOAD_FACTOR">Constant Field Values</a></li> |
| </ul> |
| </dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="metricsSize"> |
| <h3>metricsSize</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-35">metricsSize</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="mruCap"> |
| <h3>mruCap</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-36">mruCap</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="stochasticCosts"> |
| <h3>stochasticCosts</h3> |
| <div class="member-signature"><span class="modifiers">private final</span> <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><<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>,<wbr><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><<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>,<wbr><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Double.html" title="class or interface in java.lang" class="external-link">Double</a>>></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-38">stochasticCosts</a></span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="costFunctionDescs"> |
| <h3>costFunctionDescs</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <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><<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>,<wbr><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> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-47">costFunctionDescs</a></span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>MetricsStochasticBalancerSourceImpl</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-29">MetricsStochasticBalancerSourceImpl</a></span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="calcMruCap(int)"> |
| <h3>calcMruCap</h3> |
| <div class="member-signature"><span class="modifiers">private static</span> <span class="return-type">int</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-52">calcMruCap</a></span><wbr><span class="parameters">(int metricsSize)</span></div> |
| <div class="block">Calculates the mru cache capacity from the metrics size</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="updateMetricsSize(int)"> |
| <h3>updateMetricsSize</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-56">updateMetricsSize</a></span><wbr><span class="parameters">(int size)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="MetricsStochasticBalancerSource.html#updateMetricsSize(int)">MetricsStochasticBalancerSource</a></code></span></div> |
| <div class="block">Updates the number of metrics reported to JMX</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="MetricsStochasticBalancerSource.html#updateMetricsSize(int)">updateMetricsSize</a></code> in interface <code><a href="MetricsStochasticBalancerSource.html" title="interface in org.apache.hadoop.hbase.master.balancer">MetricsStochasticBalancerSource</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="updateStochasticCost(java.lang.String,java.lang.String,java.lang.String,java.lang.Double)"> |
| <h3>updateStochasticCost</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-67">updateStochasticCost</a></span><wbr><span class="parameters">(<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> tableName, |
| <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> costFunctionName, |
| <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> functionDesc, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Double.html" title="class or interface in java.lang" class="external-link">Double</a> cost)</span></div> |
| <div class="block">Reports stochastic load balancer costs to JMX</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="MetricsStochasticBalancerSource.html#updateStochasticCost(java.lang.String,java.lang.String,java.lang.String,java.lang.Double)">updateStochasticCost</a></code> in interface <code><a href="MetricsStochasticBalancerSource.html" title="interface in org.apache.hadoop.hbase.master.balancer">MetricsStochasticBalancerSource</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMetrics(org.apache.hadoop.metrics2.MetricsCollector,boolean)"> |
| <h3>getMetrics</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/master/balancer/MetricsStochasticBalancerSourceImpl.html#line-87">getMetrics</a></span><wbr><span class="parameters">(org.apache.hadoop.metrics2.MetricsCollector metricsCollector, |
| boolean all)</span></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code>getMetrics</code> in interface <code>org.apache.hadoop.metrics2.MetricsSource</code></dd> |
| <dt>Overrides:</dt> |
| <dd><code><a href="../../metrics/BaseSourceImpl.html#getMetrics(org.apache.hadoop.metrics2.MetricsCollector,boolean)">getMetrics</a></code> in class <code><a href="../../metrics/BaseSourceImpl.html" title="class in org.apache.hadoop.hbase.metrics">BaseSourceImpl</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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