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<h2 title="Class StatsReportListener" class="title">Class StatsReportListener</h2>
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<li>java.lang.Object</li>
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<li>org.apache.spark.scheduler.StatsReportListener</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../org/apache/spark/Logging.html" title="interface in org.apache.spark">Logging</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html" title="interface in org.apache.spark.scheduler">SparkListener</a></dd>
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<pre>public class <span class="strong">StatsReportListener</span>
extends java.lang.Object
implements <a href="../../../../org/apache/spark/scheduler/SparkListener.html" title="interface in org.apache.spark.scheduler">SparkListener</a>, <a href="../../../../org/apache/spark/Logging.html" title="interface in org.apache.spark">Logging</a></pre>
<div class="block">:: DeveloperApi ::
Simple SparkListener that logs a few summary statistics when each stage completes</div>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#StatsReportListener()">StatsReportListener</a></strong>()</code> </td>
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static scala.Option<org.apache.spark.util.Distribution></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#extractDoubleDistribution(scala.collection.Seq, scala.Function2)">extractDoubleDistribution</a></strong>(scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static scala.Option<org.apache.spark.util.Distribution></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#extractLongDistribution(scala.collection.Seq, scala.Function2)">extractLongDistribution</a></strong>(scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric)</code> </td>
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<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#hours()">hours</a></strong>()</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#millisToString(long)">millisToString</a></strong>(long ms)</code>
<div class="block">Reformat a time interval in milliseconds to a prettier format for output</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#minutes()">minutes</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#onStageCompleted(org.apache.spark.scheduler.SparkListenerStageCompleted)">onStageCompleted</a></strong>(<a href="../../../../org/apache/spark/scheduler/SparkListenerStageCompleted.html" title="class in org.apache.spark.scheduler">SparkListenerStageCompleted</a> stageCompleted)</code>
<div class="block">Called when a stage completes successfully or fails, with information on the completed stage.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#onTaskEnd(org.apache.spark.scheduler.SparkListenerTaskEnd)">onTaskEnd</a></strong>(<a href="../../../../org/apache/spark/scheduler/SparkListenerTaskEnd.html" title="class in org.apache.spark.scheduler">SparkListenerTaskEnd</a> taskEnd)</code>
<div class="block">Called when a task ends</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#percentiles()">percentiles</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#percentilesHeader()">percentilesHeader</a></strong>()</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#probabilities()">probabilities</a></strong>()</code> </td>
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<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#seconds()">seconds</a></strong>()</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showBytesDistribution(java.lang.String, scala.Function2, scala.collection.Seq)">showBytesDistribution</a></strong>(java.lang.String heading,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric,
scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics)</code> </td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showBytesDistribution(java.lang.String, scala.Option)">showBytesDistribution</a></strong>(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showBytesDistribution(java.lang.String, org.apache.spark.util.Distribution)">showBytesDistribution</a></strong>(java.lang.String heading,
org.apache.spark.util.Distribution dist)</code> </td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showDistribution(java.lang.String, scala.Option, scala.Function1)">showDistribution</a></strong>(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt,
scala.Function1<java.lang.Object,java.lang.String> formatNumber)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showDistribution(java.lang.String, scala.Option, java.lang.String)">showDistribution</a></strong>(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt,
java.lang.String format)</code> </td>
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<tr class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showDistribution(java.lang.String, org.apache.spark.util.Distribution, scala.Function1)">showDistribution</a></strong>(java.lang.String heading,
org.apache.spark.util.Distribution d,
scala.Function1<java.lang.Object,java.lang.String> formatNumber)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showDistribution(java.lang.String, java.lang.String, scala.Function2, scala.collection.Seq)">showDistribution</a></strong>(java.lang.String heading,
java.lang.String format,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric,
scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics)</code> </td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showMillisDistribution(java.lang.String, scala.Function2, scala.collection.Seq)">showMillisDistribution</a></strong>(java.lang.String heading,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric,
scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics)</code> </td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/spark/scheduler/StatsReportListener.html#showMillisDistribution(java.lang.String, scala.Option)">showMillisDistribution</a></strong>(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt)</code> </td>
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<h3>Methods inherited from interface org.apache.spark.scheduler.<a href="../../../../org/apache/spark/scheduler/SparkListener.html" title="interface in org.apache.spark.scheduler">SparkListener</a></h3>
<code><a href="../../../../org/apache/spark/scheduler/SparkListener.html#onApplicationEnd(org.apache.spark.scheduler.SparkListenerApplicationEnd)">onApplicationEnd</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onApplicationStart(org.apache.spark.scheduler.SparkListenerApplicationStart)">onApplicationStart</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onBlockManagerAdded(org.apache.spark.scheduler.SparkListenerBlockManagerAdded)">onBlockManagerAdded</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onBlockManagerRemoved(org.apache.spark.scheduler.SparkListenerBlockManagerRemoved)">onBlockManagerRemoved</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onBlockUpdated(org.apache.spark.scheduler.SparkListenerBlockUpdated)">onBlockUpdated</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onEnvironmentUpdate(org.apache.spark.scheduler.SparkListenerEnvironmentUpdate)">onEnvironmentUpdate</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onExecutorAdded(org.apache.spark.scheduler.SparkListenerExecutorAdded)">onExecutorAdded</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onExecutorMetricsUpdate(org.apache.spark.scheduler.SparkListenerExecutorMetricsUpdate)">onExecutorMetricsUpdate</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onExecutorRemoved(org.apache.spark.scheduler.SparkListenerExecutorRemoved)">onExecutorRemoved</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onJobEnd(org.apache.spark.scheduler.SparkListenerJobEnd)">onJobEnd</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onJobStart(org.apache.spark.scheduler.SparkListenerJobStart)">onJobStart</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onStageSubmitted(org.apache.spark.scheduler.SparkListenerStageSubmitted)">onStageSubmitted</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onTaskGettingResult(org.apache.spark.scheduler.SparkListenerTaskGettingResult)">onTaskGettingResult</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onTaskStart(org.apache.spark.scheduler.SparkListenerTaskStart)">onTaskStart</a>, <a href="../../../../org/apache/spark/scheduler/SparkListener.html#onUnpersistRDD(org.apache.spark.scheduler.SparkListenerUnpersistRDD)">onUnpersistRDD</a></code></li>
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<h3>Methods inherited from interface org.apache.spark.<a href="../../../../org/apache/spark/Logging.html" title="interface in org.apache.spark">Logging</a></h3>
<code><a href="../../../../org/apache/spark/Logging.html#initializeIfNecessary()">initializeIfNecessary</a>, <a href="../../../../org/apache/spark/Logging.html#initializeLogging()">initializeLogging</a>, <a href="../../../../org/apache/spark/Logging.html#isTraceEnabled()">isTraceEnabled</a>, <a href="../../../../org/apache/spark/Logging.html#log_()">log_</a>, <a href="../../../../org/apache/spark/Logging.html#log()">log</a>, <a href="../../../../org/apache/spark/Logging.html#logDebug(scala.Function0)">logDebug</a>, <a href="../../../../org/apache/spark/Logging.html#logDebug(scala.Function0, java.lang.Throwable)">logDebug</a>, <a href="../../../../org/apache/spark/Logging.html#logError(scala.Function0)">logError</a>, <a href="../../../../org/apache/spark/Logging.html#logError(scala.Function0, java.lang.Throwable)">logError</a>, <a href="../../../../org/apache/spark/Logging.html#logInfo(scala.Function0)">logInfo</a>, <a href="../../../../org/apache/spark/Logging.html#logInfo(scala.Function0, java.lang.Throwable)">logInfo</a>, <a href="../../../../org/apache/spark/Logging.html#logName()">logName</a>, <a href="../../../../org/apache/spark/Logging.html#logTrace(scala.Function0)">logTrace</a>, <a href="../../../../org/apache/spark/Logging.html#logTrace(scala.Function0, java.lang.Throwable)">logTrace</a>, <a href="../../../../org/apache/spark/Logging.html#logWarning(scala.Function0)">logWarning</a>, <a href="../../../../org/apache/spark/Logging.html#logWarning(scala.Function0, java.lang.Throwable)">logWarning</a></code></li>
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<h4>StatsReportListener</h4>
<pre>public StatsReportListener()</pre>
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<pre>public static int[] percentiles()</pre>
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<a name="probabilities()">
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<h4>probabilities</h4>
<pre>public static double[] probabilities()</pre>
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<pre>public static java.lang.String percentilesHeader()</pre>
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<h4>extractDoubleDistribution</h4>
<pre>public static scala.Option<org.apache.spark.util.Distribution> extractDoubleDistribution(scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric)</pre>
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<pre>public static scala.Option<org.apache.spark.util.Distribution> extractLongDistribution(scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric)</pre>
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<h4>showDistribution</h4>
<pre>public static void showDistribution(java.lang.String heading,
org.apache.spark.util.Distribution d,
scala.Function1<java.lang.Object,java.lang.String> formatNumber)</pre>
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<pre>public static void showDistribution(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt,
scala.Function1<java.lang.Object,java.lang.String> formatNumber)</pre>
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<pre>public static void showDistribution(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt,
java.lang.String format)</pre>
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<pre>public static void showDistribution(java.lang.String heading,
java.lang.String format,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric,
scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics)</pre>
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<pre>public static void showBytesDistribution(java.lang.String heading,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric,
scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics)</pre>
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<pre>public static void showBytesDistribution(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt)</pre>
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<pre>public static void showBytesDistribution(java.lang.String heading,
org.apache.spark.util.Distribution dist)</pre>
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<pre>public static void showMillisDistribution(java.lang.String heading,
scala.Option<org.apache.spark.util.Distribution> dOpt)</pre>
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<pre>public static void showMillisDistribution(java.lang.String heading,
scala.Function2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics,scala.Option<java.lang.Object>> getMetric,
scala.collection.Seq<scala.Tuple2<<a href="../../../../org/apache/spark/scheduler/TaskInfo.html" title="class in org.apache.spark.scheduler">TaskInfo</a>,org.apache.spark.executor.TaskMetrics>> taskInfoMetrics)</pre>
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<pre>public static long seconds()</pre>
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<pre>public static long minutes()</pre>
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<pre>public static long hours()</pre>
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<pre>public static java.lang.String millisToString(long ms)</pre>
<div class="block">Reformat a time interval in milliseconds to a prettier format for output</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ms</code> - (undocumented)</dd>
<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
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<pre>public void onTaskEnd(<a href="../../../../org/apache/spark/scheduler/SparkListenerTaskEnd.html" title="class in org.apache.spark.scheduler">SparkListenerTaskEnd</a> taskEnd)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/spark/scheduler/SparkListener.html#onTaskEnd(org.apache.spark.scheduler.SparkListenerTaskEnd)">SparkListener</a></code></strong></div>
<div class="block">Called when a task ends</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/spark/scheduler/SparkListener.html#onTaskEnd(org.apache.spark.scheduler.SparkListenerTaskEnd)">onTaskEnd</a></code> in interface <code><a href="../../../../org/apache/spark/scheduler/SparkListener.html" title="interface in org.apache.spark.scheduler">SparkListener</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>taskEnd</code> - (undocumented)</dd></dl>
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<pre>public void onStageCompleted(<a href="../../../../org/apache/spark/scheduler/SparkListenerStageCompleted.html" title="class in org.apache.spark.scheduler">SparkListenerStageCompleted</a> stageCompleted)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/spark/scheduler/SparkListener.html#onStageCompleted(org.apache.spark.scheduler.SparkListenerStageCompleted)">SparkListener</a></code></strong></div>
<div class="block">Called when a stage completes successfully or fails, with information on the completed stage.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/spark/scheduler/SparkListener.html#onStageCompleted(org.apache.spark.scheduler.SparkListenerStageCompleted)">onStageCompleted</a></code> in interface <code><a href="../../../../org/apache/spark/scheduler/SparkListener.html" title="interface in org.apache.spark.scheduler">SparkListener</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>stageCompleted</code> - (undocumented)</dd></dl>
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