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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-server / hadoop-yarn-server-resourcemanager / apidocs / org / apache / hadoop / yarn / server / resourcemanager / scheduler / fifo / FifoScheduler.html
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<div class="subTitle">org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo</div>
<h2 title="Class FifoScheduler" class="title">Class FifoScheduler</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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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/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</li>
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<ul class="inheritance">
<li>org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler</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.conf.Configurable, org.apache.hadoop.service.Service, org.apache.hadoop.yarn.event.EventHandler&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEvent.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.event">SchedulerEvent</a>&gt;, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/Recoverable.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.recovery">Recoverable</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ResourceScheduler</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></dd>
</dl>
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<br>
<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Evolving
public class <span class="typeNameLabel">FifoScheduler</span>
extends <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;
implements org.apache.hadoop.conf.Configurable</pre>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.service.Service</h3>
<code>org.apache.hadoop.service.Service.STATE</code></li>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.yarn.server.resourcemanager.scheduler.<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a></h3>
<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#activitiesManager">activitiesManager</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#applications">applications</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#EMPTY_ALLOCATION">EMPTY_ALLOCATION</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#lastNodeUpdateTime">lastNodeUpdateTime</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#minimumAllocation">minimumAllocation</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#nmExpireInterval">nmExpireInterval</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#nmHeartbeatInterval">nmHeartbeatInterval</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#nodeTracker">nodeTracker</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#readLock">readLock</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#rmContext">rmContext</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#schedulerHealth">schedulerHealth</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#schedulingMonitorManager">schedulingMonitorManager</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#THREAD_JOIN_TIMEOUT_MS">THREAD_JOIN_TIMEOUT_MS</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#updateInterval">updateInterval</a>, <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#writeLock">writeLock</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#FifoScheduler--">FifoScheduler</a></span>()</code>&nbsp;</td>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<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></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 id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#addApplication-org.apache.hadoop.yarn.api.records.ApplicationId-java.lang.String-java.lang.String-boolean-">addApplication</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId,
<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;queue,
<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;user,
boolean&nbsp;isAppRecovering)</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/server/resourcemanager/scheduler/fifo/FifoScheduler.html#addApplicationAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-boolean-boolean-">addApplicationAttempt</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId,
boolean&nbsp;transferStateFromPreviousAttempt,
boolean&nbsp;isAttemptRecovering)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/Allocation.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">Allocation</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#allocate-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-java.util.List-java.util.List-java.util.List-java.util.List-java.util.List-org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerUpdates-">allocate</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;applicationAttemptId,
<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.ResourceRequest&gt;&nbsp;ask,
<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.SchedulingRequest&gt;&nbsp;schedulingRequests,
<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.ContainerId&gt;&nbsp;release,
<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;<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>&gt;&nbsp;blacklistAdditions,
<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;<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>&gt;&nbsp;blacklistRemovals,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ContainerUpdates.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ContainerUpdates</a>&nbsp;updateRequests)</code>
<div class="block">The main api between the ApplicationMaster and the Scheduler.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#checkAccess-org.apache.hadoop.security.UserGroupInformation-org.apache.hadoop.yarn.api.records.QueueACL-java.lang.String-">checkAccess</a></span>(org.apache.hadoop.security.UserGroupInformation&nbsp;callerUGI,
org.apache.hadoop.yarn.api.records.QueueACL&nbsp;acl,
<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;queueName)</code>
<div class="block">Check if the user has permission to perform the operation.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#completedContainerInternal-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-org.apache.hadoop.yarn.api.records.ContainerStatus-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEventType-">completedContainerInternal</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>&nbsp;rmContainer,
org.apache.hadoop.yarn.api.records.ContainerStatus&nbsp;containerStatus,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainerEventType.html" title="enum in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainerEventType</a>&nbsp;event)</code>&nbsp;</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.ApplicationAttemptId&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getAppsInQueue-java.lang.String-">getAppsInQueue</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;queueName)</code>
<div class="block">Gets the apps under a given queue</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getConf--">getConf</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getNumClusterNodes--">getNumClusterNodes</a></span>()</code>
<div class="block">Get the number of nodes available in the cluster.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.QueueInfo</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getQueueInfo-java.lang.String-boolean-boolean-">getQueueInfo</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;queueName,
boolean&nbsp;includeChildQueues,
boolean&nbsp;recursive)</code>
<div class="block">Get queue information</div>
</td>
</tr>
<tr id="i9" 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.QueueUserACLInfo&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getQueueUserAclInfo--">getQueueUserAclInfo</a></span>()</code>
<div class="block">Get acls for queues for current user.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.util.resource.ResourceCalculator</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getResourceCalculator--">getResourceCalculator</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getRMContainer-org.apache.hadoop.yarn.api.records.ContainerId-">getRMContainer</a></span>(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)</code>
<div class="block">Get the container for the given containerId.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/QueueMetrics.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">QueueMetrics</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getRootQueueMetrics--">getRootQueueMetrics</a></span>()</code>
<div class="block">Get the root queue for the scheduler.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Resource</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#getUsedResource--">getUsedResource</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#handle-org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent-">handle</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEvent.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.event">SchedulerEvent</a>&nbsp;event)</code>&nbsp;</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/server/resourcemanager/scheduler/fifo/FifoScheduler.html#killContainer-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-">killContainer</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>&nbsp;container)</code>
<div class="block">Kill a RMContainer.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#nodeUpdate-org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode-">nodeUpdate</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmnode">RMNode</a>&nbsp;nm)</code>
<div class="block">Process a heartbeat update from a node.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#recover-org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState-">recover</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.RMState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.RMState</a>&nbsp;state)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#recoverContainersOnNode-java.util.List-org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode-">recoverContainersOnNode</a></span>(<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.server.api.protocolrecords.NMContainerStatus&gt;&nbsp;containerReports,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmnode">RMNode</a>&nbsp;nm)</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#reinitialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.resourcemanager.RMContext-">reinitialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/RMContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager">RMContext</a>&nbsp;rmContext)</code>
<div class="block">Re-initialize the <code>ResourceScheduler</code>.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#serviceInit-org.apache.hadoop.conf.Configuration-">serviceInit</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#serviceStart--">serviceStart</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#serviceStop--">serviceStop</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#setConf-org.apache.hadoop.conf.Configuration-">setConf</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html#setRMContext-org.apache.hadoop.yarn.server.resourcemanager.RMContext-">setRMContext</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/RMContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager">RMContext</a>&nbsp;rmContext)</code>
<div class="block">Set RMContext for <code>ResourceScheduler</code>.</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.yarn.server.resourcemanager.scheduler.<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a></h3>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.service.AbstractService</h3>
<code>close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop</code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<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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<h3>Constructor Detail</h3>
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<h4>FifoScheduler</h4>
<pre>public&nbsp;FifoScheduler()</pre>
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<pre>public&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>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#serviceInit-org.apache.hadoop.conf.Configuration-">serviceInit</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</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;serviceStart()
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#serviceStart--">serviceStart</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</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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<h4>serviceStop</h4>
<pre>public&nbsp;void&nbsp;serviceStop()
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#serviceStop--">serviceStop</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</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;setConf(org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
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<dd><code>setConf</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.conf.Configurable</code></dd>
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<pre>public&nbsp;org.apache.hadoop.conf.Configuration&nbsp;getConf()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getConf</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.conf.Configurable</code></dd>
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<pre>public&nbsp;int&nbsp;getNumClusterNodes()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getNumClusterNodes--">YarnScheduler</a></code></span></div>
<div class="block">Get the number of nodes available in the cluster.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getNumClusterNodes--">getNumClusterNodes</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of available nodes.</dd>
</dl>
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<pre>public&nbsp;void&nbsp;setRMContext(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/RMContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager">RMContext</a>&nbsp;rmContext)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html#setRMContext-org.apache.hadoop.yarn.server.resourcemanager.RMContext-">ResourceScheduler</a></code></span></div>
<div class="block">Set RMContext for <code>ResourceScheduler</code>.
This method should be called immediately after instantiating
a scheduler once.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html#setRMContext-org.apache.hadoop.yarn.server.resourcemanager.RMContext-">setRMContext</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ResourceScheduler</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rmContext</code> - created by ResourceManager</dd>
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<pre>public&nbsp;void&nbsp;reinitialize(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/RMContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager">RMContext</a>&nbsp;rmContext)
throws <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 interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html#reinitialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.resourcemanager.RMContext-">ResourceScheduler</a></code></span></div>
<div class="block">Re-initialize the <code>ResourceScheduler</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html#reinitialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.resourcemanager.RMContext-">reinitialize</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ResourceScheduler</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#reinitialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.resourcemanager.RMContext-">reinitialize</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - configuration</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<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>allocate</h4>
<pre>public&nbsp;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/Allocation.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">Allocation</a>&nbsp;allocate(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;applicationAttemptId,
<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.ResourceRequest&gt;&nbsp;ask,
<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.SchedulingRequest&gt;&nbsp;schedulingRequests,
<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.ContainerId&gt;&nbsp;release,
<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;<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>&gt;&nbsp;blacklistAdditions,
<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;<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>&gt;&nbsp;blacklistRemovals,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ContainerUpdates.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ContainerUpdates</a>&nbsp;updateRequests)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#allocate-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-java.util.List-java.util.List-java.util.List-java.util.List-java.util.List-org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerUpdates-">YarnScheduler</a></code></span></div>
<div class="block">The main api between the ApplicationMaster and the Scheduler.
The ApplicationMaster is updating his future resource requirements
and may release containers he doens't need.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#allocate-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-java.util.List-java.util.List-java.util.List-java.util.List-java.util.List-org.apache.hadoop.yarn.server.resourcemanager.scheduler.ContainerUpdates-">allocate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dd><code>updateRequests</code> - @return the <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/Allocation.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler"><code>Allocation</code></a> for the application</dd>
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<pre>public&nbsp;void&nbsp;addApplication(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId,
<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;queue,
<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;user,
boolean&nbsp;isAppRecovering)</pre>
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<pre>public&nbsp;void&nbsp;addApplicationAttempt(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId,
boolean&nbsp;transferStateFromPreviousAttempt,
boolean&nbsp;isAttemptRecovering)</pre>
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<pre>public&nbsp;void&nbsp;handle(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEvent.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.event">SchedulerEvent</a>&nbsp;event)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>handle</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.yarn.event.EventHandler&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/event/SchedulerEvent.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.event">SchedulerEvent</a>&gt;</code></dd>
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<pre>@Lock(value=<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoScheduler.class</a>)
protected&nbsp;void&nbsp;completedContainerInternal(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>&nbsp;rmContainer,
org.apache.hadoop.yarn.api.records.ContainerStatus&nbsp;containerStatus,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainerEventType.html" title="enum in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainerEventType</a>&nbsp;event)</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#completedContainerInternal-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-org.apache.hadoop.yarn.api.records.ContainerStatus-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEventType-">completedContainerInternal</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</code></dd>
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<h4>getQueueInfo</h4>
<pre>public&nbsp;org.apache.hadoop.yarn.api.records.QueueInfo&nbsp;getQueueInfo(<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;queueName,
boolean&nbsp;includeChildQueues,
boolean&nbsp;recursive)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getQueueInfo-java.lang.String-boolean-boolean-">YarnScheduler</a></code></span></div>
<div class="block">Get queue information</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getQueueInfo-java.lang.String-boolean-boolean-">getQueueInfo</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queueName</code> - queue name</dd>
<dd><code>includeChildQueues</code> - include child queues?</dd>
<dd><code>recursive</code> - get children queues?</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>queue information</dd>
</dl>
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<h4>getQueueUserAclInfo</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.QueueUserACLInfo&gt;&nbsp;getQueueUserAclInfo()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getQueueUserAclInfo--">YarnScheduler</a></code></span></div>
<div class="block">Get acls for queues for current user.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getQueueUserAclInfo--">getQueueUserAclInfo</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>acls for queues for current user</dd>
</dl>
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<pre>public&nbsp;org.apache.hadoop.yarn.util.resource.ResourceCalculator&nbsp;getResourceCalculator()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getResourceCalculator--">getResourceCalculator</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
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<h4>recover</h4>
<pre>public&nbsp;void&nbsp;recover(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.RMState.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.recovery">RMStateStore.RMState</a>&nbsp;state)</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/Recoverable.html#recover-org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState-">recover</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/recovery/Recoverable.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.recovery">Recoverable</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>&nbsp;getRMContainer(org.apache.hadoop.yarn.api.records.ContainerId&nbsp;containerId)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getRMContainer-org.apache.hadoop.yarn.api.records.ContainerId-">YarnScheduler</a></code></span></div>
<div class="block">Get the container for the given containerId.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getRMContainer-org.apache.hadoop.yarn.api.records.ContainerId-">getRMContainer</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#getRMContainer-org.apache.hadoop.yarn.api.records.ContainerId-">getRMContainer</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the container for the given containerId.</dd>
</dl>
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<h4>getRootQueueMetrics</h4>
<pre>public&nbsp;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/QueueMetrics.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">QueueMetrics</a>&nbsp;getRootQueueMetrics()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getRootQueueMetrics--">YarnScheduler</a></code></span></div>
<div class="block">Get the root queue for the scheduler.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getRootQueueMetrics--">getRootQueueMetrics</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the root queue for the scheduler.</dd>
</dl>
</li>
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<a name="checkAccess-org.apache.hadoop.security.UserGroupInformation-org.apache.hadoop.yarn.api.records.QueueACL-java.lang.String-">
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<pre>public&nbsp;boolean&nbsp;checkAccess(org.apache.hadoop.security.UserGroupInformation&nbsp;callerUGI,
org.apache.hadoop.yarn.api.records.QueueACL&nbsp;acl,
<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;queueName)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#checkAccess-org.apache.hadoop.security.UserGroupInformation-org.apache.hadoop.yarn.api.records.QueueACL-java.lang.String-">YarnScheduler</a></code></span></div>
<div class="block">Check if the user has permission to perform the operation.
If the user has <code>QueueACL.ADMINISTER_QUEUE</code> permission,
this user can view/modify the applications in this queue</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#checkAccess-org.apache.hadoop.security.UserGroupInformation-org.apache.hadoop.yarn.api.records.QueueACL-java.lang.String-">checkAccess</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the user has the permission,
<code>false</code> otherwise</dd>
</dl>
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<h4>getAppsInQueue</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.ApplicationAttemptId&gt;&nbsp;getAppsInQueue(<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;queueName)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getAppsInQueue-java.lang.String-">YarnScheduler</a></code></span></div>
<div class="block">Gets the apps under a given queue</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getAppsInQueue-java.lang.String-">getAppsInQueue</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">YarnScheduler</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queueName</code> - the name of the queue.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a collection of app attempt ids in the given queue.</dd>
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<h4>getUsedResource</h4>
<pre>public&nbsp;org.apache.hadoop.yarn.api.records.Resource&nbsp;getUsedResource()</pre>
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<h4>nodeUpdate</h4>
<pre>protected&nbsp;void&nbsp;nodeUpdate(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmnode">RMNode</a>&nbsp;nm)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#nodeUpdate-org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode-">AbstractYarnScheduler</a></code></span></div>
<div class="block">Process a heartbeat update from a node.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#nodeUpdate-org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode-">nodeUpdate</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nm</code> - The RMNode corresponding to the NodeManager</dd>
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<h4>killContainer</h4>
<pre>public&nbsp;void&nbsp;killContainer(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>&nbsp;container)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#killContainer-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-">AbstractYarnScheduler</a></code></span></div>
<div class="block">Kill a RMContainer. This is meant to be called in tests only to simulate
AM container failures.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#killContainer-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-">killContainer</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>container</code> - the container to kill</dd>
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<h4>recoverContainersOnNode</h4>
<pre>public&nbsp;void&nbsp;recoverContainersOnNode(<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.server.api.protocolrecords.NMContainerStatus&gt;&nbsp;containerReports,
<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmnode/RMNode.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmnode">RMNode</a>&nbsp;nm)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html#recoverContainersOnNode-java.util.List-org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode-">recoverContainersOnNode</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>&lt;<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoAppAttempt.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoAppAttempt</a>,<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&gt;</code></dd>
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