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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-client / apidocs / org / apache / hadoop / yarn / client / api / impl / NMClientImpl.html
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<div class="subTitle">org.apache.hadoop.yarn.client.api.impl</div>
<h2 title="Class NMClientImpl" class="title">Class NMClientImpl</h2>
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<ul class="inheritance">
<li>org.apache.hadoop.service.AbstractService</li>
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<ul class="inheritance">
<li><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">org.apache.hadoop.yarn.client.api.NMClient</a></li>
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<ul class="inheritance">
<li>org.apache.hadoop.yarn.client.api.impl.NMClientImpl</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, org.apache.hadoop.service.Service</dd>
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<pre>@InterfaceAudience.Private
@InterfaceStability.Unstable
public class <span class="typeNameLabel">NMClientImpl</span>
extends <a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></pre>
<div class="block"><p>
This class implements <a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api"><code>NMClient</code></a>. All the APIs are blocking.
</p>
<p>
By default, this client stops all the running containers that are started by
it when it stops. It can be disabled via
<a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#cleanupRunningContainersOnStop-boolean-"><code>cleanupRunningContainersOnStop(boolean)</code></a>, in which case containers will
continue to run even after this client is stopped and till the application
runs at which point ResourceManager will forcefully kill them.
</p>
<p>
Note that the blocking APIs ensure the RPC calls to <code>NodeManager</code>
are executed immediately, and the responses are received before these APIs
return. However, when <a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#startContainer-org.apache.hadoop.yarn.api.records.Container-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-"><code>startContainer(org.apache.hadoop.yarn.api.records.Container, org.apache.hadoop.yarn.api.records.ContainerLaunchContext)</code></a> or <a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#stopContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-"><code>stopContainer(org.apache.hadoop.yarn.api.records.ContainerId, org.apache.hadoop.yarn.api.records.NodeId)</code></a>
returns, <code>NodeManager</code> may still need some time to either start
or stop the container because of its asynchronous implementation. Therefore,
<a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#getContainerStatus-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-"><code>getContainerStatus(org.apache.hadoop.yarn.api.records.ContainerId, org.apache.hadoop.yarn.api.records.NodeId)</code></a> is likely to return a transit container status
if it is executed immediately after <a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#startContainer-org.apache.hadoop.yarn.api.records.Container-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-"><code>startContainer(org.apache.hadoop.yarn.api.records.Container, org.apache.hadoop.yarn.api.records.ContainerLaunchContext)</code></a> or
<a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#stopContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-"><code>stopContainer(org.apache.hadoop.yarn.api.records.ContainerId, org.apache.hadoop.yarn.api.records.NodeId)</code></a>.
</p></div>
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<td class="colFirst"><code>protected static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.StartedContainer.html" title="class in org.apache.hadoop.yarn.client.api.impl">NMClientImpl.StartedContainer</a></span></code>&nbsp;</td>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.yarn.client.api.<a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></h3>
<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.UpgradeOp.html" title="enum in org.apache.hadoop.yarn.client.api">NMClient.UpgradeOp</a></code></li>
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<code>org.apache.hadoop.service.Service.STATE</code></li>
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<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a>&lt;org.apache.hadoop.yarn.api.records.ContainerId,<a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.StartedContainer.html" title="class in org.apache.hadoop.yarn.client.api.impl">NMClientImpl.StartedContainer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#startedContainers">startedContainers</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#NMClientImpl--">NMClientImpl</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#NMClientImpl-java.lang.String-">NMClientImpl</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#cleanupRunningContainers--">cleanupRunningContainers</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#cleanupRunningContainersOnStop-boolean-">cleanupRunningContainersOnStop</a></span>(boolean&nbsp;enabled)</code>
<div class="block">Set whether the containers that are started by this client, and are
still running should be stopped when the client stops.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#commitLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">commitLastReInitialization</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)</code>
<div class="block">Commit last reInitialization of the specified container.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#getCleanupRunningContainers--">getCleanupRunningContainers</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.ContainerStatus</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#getContainerStatus-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">getContainerStatus</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>
<div class="block">Query the status of a container.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.hadoop.yarn.api.records.LocalizationStatus&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#getLocalizationStatuses-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">getLocalizationStatuses</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>
<div class="block">Get the localization statuses of a container.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.NodeId</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#getNodeIdOfStartedContainer-org.apache.hadoop.yarn.api.records.ContainerId-">getNodeIdOfStartedContainer</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)</code>
<div class="block">Get the NodeId of the node on which container is running.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#increaseContainerResource-org.apache.hadoop.yarn.api.records.Container-">increaseContainerResource</a></span>(org.apache.hadoop.yarn.api.records.Container&nbsp;container)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#localize-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-java.util.Map-">localize</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.yarn.api.records.LocalResource&gt;&nbsp;localResources)</code>
<div class="block">Localize resources for a container.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#reInitializeContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-boolean-">reInitializeContainer</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.ContainerLaunchContext&nbsp;containerLaunchContex,
boolean&nbsp;autoCommit)</code>
<div class="block">Re-Initialize the Container.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#restartContainer-org.apache.hadoop.yarn.api.records.ContainerId-">restartContainer</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)</code>
<div class="block">Restart the specified container.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#rollbackLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">rollbackLastReInitialization</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)</code>
<div class="block">Rollback last reInitialization of the specified container.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#serviceInit-org.apache.hadoop.conf.Configuration-">serviceInit</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#serviceStop--">serviceStop</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#startContainer-org.apache.hadoop.yarn.api.records.Container-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-">startContainer</a></span>(org.apache.hadoop.yarn.api.records.Container&nbsp;container,
org.apache.hadoop.yarn.api.records.ContainerLaunchContext&nbsp;containerLaunchContext)</code>
<div class="block">Start an allocated container.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#stopContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">stopContainer</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>
<div class="block">Stop an started container.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.html#updateContainerResource-org.apache.hadoop.yarn.api.records.Container-">updateContainerResource</a></span>(org.apache.hadoop.yarn.api.records.Container&nbsp;container)</code>
<div class="block">Update the resources of a container.</div>
</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.yarn.client.api.<a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></h3>
<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#createNMClient--">createNMClient</a>, <a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#createNMClient-java.lang.String-">createNMClient</a>, <a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#getNMTokenCache--">getNMTokenCache</a>, <a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#setNMTokenCache-org.apache.hadoop.yarn.client.api.NMTokenCache-">setNMTokenCache</a></code></li>
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<code>close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceStart, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop</code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a>&lt;org.apache.hadoop.yarn.api.records.ContainerId,<a href="../../../../../../../org/apache/hadoop/yarn/client/api/impl/NMClientImpl.StartedContainer.html" title="class in org.apache.hadoop.yarn.client.api.impl">NMClientImpl.StartedContainer</a>&gt; startedContainers</pre>
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<pre>public&nbsp;NMClientImpl()</pre>
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<pre>public&nbsp;NMClientImpl(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;name)</pre>
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<pre>protected&nbsp;void&nbsp;serviceStop()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>serviceStop</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.service.AbstractService</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>protected&nbsp;void&nbsp;cleanupRunningContainers()</pre>
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<pre>protected&nbsp;void&nbsp;serviceInit(org.apache.hadoop.conf.Configuration&nbsp;conf)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>serviceInit</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.service.AbstractService</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd>
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<pre>public&nbsp;void&nbsp;cleanupRunningContainersOnStop(boolean&nbsp;enabled)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#cleanupRunningContainersOnStop-boolean-">NMClient</a></code></span></div>
<div class="block"><p>Set whether the containers that are started by this client, and are
still running should be stopped when the client stops. By default, the
feature should be enabled.</p> However, containers will be stopped only
when service is stopped. i.e. after <code>AbstractService.stop()</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#cleanupRunningContainersOnStop-boolean-">cleanupRunningContainersOnStop</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>enabled</code> - whether the feature is enabled or not</dd>
</dl>
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<h4>startContainer</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a>&gt;&nbsp;startContainer(org.apache.hadoop.yarn.api.records.Container&nbsp;container,
org.apache.hadoop.yarn.api.records.ContainerLaunchContext&nbsp;containerLaunchContext)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#startContainer-org.apache.hadoop.yarn.api.records.Container-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-">NMClient</a></code></span></div>
<div class="block"><p>Start an allocated container.</p>
<p>The <code>ApplicationMaster</code> or other applications that use the
client must provide the details of the allocated container, including the
Id, the assigned node's Id and the token via <code>Container</code>. In
addition, the AM needs to provide the <code>ContainerLaunchContext</code> as
well.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#startContainer-org.apache.hadoop.yarn.api.records.Container-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-">startContainer</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>container</code> - the allocated container</dd>
<dd><code>containerLaunchContext</code> - the context information needed by the
<code>NodeManager</code> to launch the
container</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a map between the auxiliary service names and their outputs</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<h4>increaseContainerResource</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public&nbsp;void&nbsp;increaseContainerResource(org.apache.hadoop.yarn.api.records.Container&nbsp;container)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#increaseContainerResource-org.apache.hadoop.yarn.api.records.Container-">NMClient</a></code></span></div>
<div class="block"><p>Increase the resource of a container.</p>
<p>The <code>ApplicationMaster</code> or other applications that use the
client must provide the details of the container, including the Id and
the target resource encapsulated in the updated container token via
<code>Container</code>.
</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#increaseContainerResource-org.apache.hadoop.yarn.api.records.Container-">increaseContainerResource</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>container</code> - the container with updated token.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<pre>public&nbsp;void&nbsp;updateContainerResource(org.apache.hadoop.yarn.api.records.Container&nbsp;container)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#updateContainerResource-org.apache.hadoop.yarn.api.records.Container-">NMClient</a></code></span></div>
<div class="block"><p>Update the resources of a container.</p>
<p>The <code>ApplicationMaster</code> or other applications that use the
client must provide the details of the container, including the Id and
the target resource encapsulated in the updated container token via
<code>Container</code>.
</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#updateContainerResource-org.apache.hadoop.yarn.api.records.Container-">updateContainerResource</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>container</code> - the container with updated token.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<h4>stopContainer</h4>
<pre>public&nbsp;void&nbsp;stopContainer(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#stopContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">NMClient</a></code></span></div>
<div class="block"><p>Stop an started container.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#stopContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">stopContainer</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the Id of the started container</dd>
<dd><code>nodeId</code> - the Id of the <code>NodeManager</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<pre>public&nbsp;org.apache.hadoop.yarn.api.records.ContainerStatus&nbsp;getContainerStatus(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#getContainerStatus-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">NMClient</a></code></span></div>
<div class="block"><p>Query the status of a container.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#getContainerStatus-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">getContainerStatus</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the Id of the started container</dd>
<dd><code>nodeId</code> - the Id of the <code>NodeManager</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the status of a container.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<h4>reInitializeContainer</h4>
<pre>public&nbsp;void&nbsp;reInitializeContainer(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.ContainerLaunchContext&nbsp;containerLaunchContex,
boolean&nbsp;autoCommit)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#reInitializeContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-boolean-">NMClient</a></code></span></div>
<div class="block"><p>Re-Initialize the Container.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#reInitializeContainer-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.ContainerLaunchContext-boolean-">reInitializeContainer</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the Id of the container to Re-Initialize.</dd>
<dd><code>containerLaunchContex</code> - the updated ContainerLaunchContext.</dd>
<dd><code>autoCommit</code> - commit re-initialization automatically ?</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<pre>public&nbsp;void&nbsp;restartContainer(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#restartContainer-org.apache.hadoop.yarn.api.records.ContainerId-">NMClient</a></code></span></div>
<div class="block"><p>Restart the specified container.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#restartContainer-org.apache.hadoop.yarn.api.records.ContainerId-">restartContainer</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the Id of the container to restart.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<h4>rollbackLastReInitialization</h4>
<pre>public&nbsp;void&nbsp;rollbackLastReInitialization(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#rollbackLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">NMClient</a></code></span></div>
<div class="block"><p>Rollback last reInitialization of the specified container.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#rollbackLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">rollbackLastReInitialization</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the Id of the container to restart.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
</dl>
</li>
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<h4>commitLastReInitialization</h4>
<pre>public&nbsp;void&nbsp;commitLastReInitialization(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#commitLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">NMClient</a></code></span></div>
<div class="block"><p>Commit last reInitialization of the specified container.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#commitLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">commitLastReInitialization</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the Id of the container to commit reInitialize.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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<h4>getCleanupRunningContainers</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicBoolean.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicBoolean</a>&nbsp;getCleanupRunningContainers()</pre>
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<h4>getNodeIdOfStartedContainer</h4>
<pre>public&nbsp;org.apache.hadoop.yarn.api.records.NodeId&nbsp;getNodeIdOfStartedContainer(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#getNodeIdOfStartedContainer-org.apache.hadoop.yarn.api.records.ContainerId-">NMClient</a></code></span></div>
<div class="block">Get the NodeId of the node on which container is running. It returns
null if the container if container is not found or if it is not running.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#getNodeIdOfStartedContainer-org.apache.hadoop.yarn.api.records.ContainerId-">getNodeIdOfStartedContainer</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - Container Id of the container.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>NodeId of the container on which it is running.</dd>
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<h4>localize</h4>
<pre>public&nbsp;void&nbsp;localize(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.yarn.api.records.LocalResource&gt;&nbsp;localResources)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#localize-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-java.util.Map-">NMClient</a></code></span></div>
<div class="block">Localize resources for a container.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#localize-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-java.util.Map-">localize</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the ID of the container</dd>
<dd><code>nodeId</code> - node Id of the container</dd>
<dd><code>localResources</code> - resources to localize</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>getLocalizationStatuses</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.hadoop.yarn.api.records.LocalizationStatus&gt;&nbsp;getLocalizationStatuses(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId,
org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)
throws org.apache.hadoop.yarn.exceptions.YarnException,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#getLocalizationStatuses-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">NMClient</a></code></span></div>
<div class="block">Get the localization statuses of a container.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html#getLocalizationStatuses-org.apache.hadoop.yarn.api.records.ContainerId-org.apache.hadoop.yarn.api.records.NodeId-">getLocalizationStatuses</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../org/apache/hadoop/yarn/client/api/NMClient.html" title="class in org.apache.hadoop.yarn.client.api">NMClient</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - the Id of the container</dd>
<dd><code>nodeId</code> - node Id of the container</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the status of a container.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - IOException.</dd>
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