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<div class="subTitle">org.apache.hadoop.mapreduce.v2.app.job.impl</div>
<h2 title="Class ReduceTaskImpl" class="title">Class ReduceTaskImpl</h2>
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<li><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html" title="class in org.apache.hadoop.mapreduce.v2.app.job.impl">org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl</a></li>
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<pre>public class <span class="typeNameLabel">ReduceTaskImpl</span>
extends <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html" title="class in org.apache.hadoop.mapreduce.v2.app.job.impl">TaskImpl</a></pre>
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<code><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#appContext">appContext</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#clock">clock</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#conf">conf</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#credentials">credentials</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#encryptedShuffle">encryptedShuffle</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#eventHandler">eventHandler</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#jobFile">jobFile</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#jobToken">jobToken</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#nextAttemptNumber">nextAttemptNumber</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#partition">partition</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#taskAttemptListener">taskAttemptListener</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/ReduceTaskImpl.html#ReduceTaskImpl-org.apache.hadoop.mapreduce.v2.api.records.JobId-int-org.apache.hadoop.yarn.event.EventHandler-org.apache.hadoop.fs.Path-org.apache.hadoop.mapred.JobConf-int-org.apache.hadoop.mapreduce.v2.app.TaskAttemptListener-org.apache.hadoop.security.token.Token-org.apache.hadoop.security.Credentials-org.apache.hadoop.yarn.util.Clock-int-org.apache.hadoop.mapreduce.v2.app.metrics.MRAppMetrics-org.apache.hadoop.mapreduce.v2.app.AppContext-">ReduceTaskImpl</a></span>(org.apache.hadoop.mapreduce.v2.api.records.JobId&nbsp;jobId,
int&nbsp;partition,
org.apache.hadoop.yarn.event.EventHandler&nbsp;eventHandler,
org.apache.hadoop.fs.Path&nbsp;jobFile,
org.apache.hadoop.mapred.JobConf&nbsp;conf,
int&nbsp;numMapTasks,
<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/TaskAttemptListener.html" title="interface in org.apache.hadoop.mapreduce.v2.app">TaskAttemptListener</a>&nbsp;taskAttemptListener,
org.apache.hadoop.security.token.Token&lt;org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier&gt;&nbsp;jobToken,
org.apache.hadoop.security.Credentials&nbsp;credentials,
org.apache.hadoop.yarn.util.Clock&nbsp;clock,
int&nbsp;appAttemptId,
<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/metrics/MRAppMetrics.html" title="class in org.apache.hadoop.mapreduce.v2.app.metrics">MRAppMetrics</a>&nbsp;metrics,
<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/AppContext.html" title="interface in org.apache.hadoop.mapreduce.v2.app">AppContext</a>&nbsp;appContext)</code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.html" title="class in org.apache.hadoop.mapreduce.v2.app.job.impl">TaskAttemptImpl</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/ReduceTaskImpl.html#createAttempt--">createAttempt</a></span>()</code>&nbsp;</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/ReduceTaskImpl.html#getMaxAttempts--">getMaxAttempts</a></span>()</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.mapreduce.v2.api.records.TaskType</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/ReduceTaskImpl.html#getType--">getType</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.mapreduce.v2.app.job.impl.<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html" title="class in org.apache.hadoop.mapreduce.v2.app.job.impl">TaskImpl</a></h3>
<code><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#canCommit-org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId-">canCommit</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getAttempt-org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId-">getAttempt</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getAttempts--">getAttempts</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getCounters--">getCounters</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getID--">getID</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getInternalState--">getInternalState</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getProgress--">getProgress</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getReport--">getReport</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getSplitsAsString--">getSplitsAsString</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getState--">getState</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#getSuccessfulAttempt--">getSuccessfulAttempt</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#handle-org.apache.hadoop.mapreduce.v2.app.job.event.TaskEvent-">handle</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#internalError-org.apache.hadoop.mapreduce.v2.app.job.event.TaskEventType-">internalError</a>, <a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#isFinished--">isFinished</a></code></li>
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<h4>ReduceTaskImpl</h4>
<pre>public&nbsp;ReduceTaskImpl(org.apache.hadoop.mapreduce.v2.api.records.JobId&nbsp;jobId,
int&nbsp;partition,
org.apache.hadoop.yarn.event.EventHandler&nbsp;eventHandler,
org.apache.hadoop.fs.Path&nbsp;jobFile,
org.apache.hadoop.mapred.JobConf&nbsp;conf,
int&nbsp;numMapTasks,
<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/TaskAttemptListener.html" title="interface in org.apache.hadoop.mapreduce.v2.app">TaskAttemptListener</a>&nbsp;taskAttemptListener,
org.apache.hadoop.security.token.Token&lt;org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier&gt;&nbsp;jobToken,
org.apache.hadoop.security.Credentials&nbsp;credentials,
org.apache.hadoop.yarn.util.Clock&nbsp;clock,
int&nbsp;appAttemptId,
<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/metrics/MRAppMetrics.html" title="class in org.apache.hadoop.mapreduce.v2.app.metrics">MRAppMetrics</a>&nbsp;metrics,
<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/AppContext.html" title="interface in org.apache.hadoop.mapreduce.v2.app">AppContext</a>&nbsp;appContext)</pre>
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<h4>getMaxAttempts</h4>
<pre>protected&nbsp;int&nbsp;getMaxAttempts()</pre>
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<h4>createAttempt</h4>
<pre>protected&nbsp;<a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.html" title="class in org.apache.hadoop.mapreduce.v2.app.job.impl">TaskAttemptImpl</a>&nbsp;createAttempt()</pre>
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<dd><code><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html#createAttempt--">createAttempt</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/mapreduce/v2/app/job/impl/TaskImpl.html" title="class in org.apache.hadoop.mapreduce.v2.app.job.impl">TaskImpl</a></code></dd>
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<pre>public&nbsp;org.apache.hadoop.mapreduce.v2.api.records.TaskType&nbsp;getType()</pre>
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