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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 / YarnScheduler.html
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<div class="subTitle">org.apache.hadoop.yarn.server.resourcemanager.scheduler</div>
<h2 title="Interface YarnScheduler" class="title">Interface YarnScheduler</h2>
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<dt>All Superinterfaces:</dt>
<dd>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;</dd>
</dl>
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<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/MutableConfScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">MutableConfScheduler</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/PreemptableResourceScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">PreemptableResourceScheduler</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceScheduler.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ResourceScheduler</a></dd>
</dl>
<dl>
<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">AbstractYarnScheduler</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacityScheduler</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair">FairScheduler</a>, <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/FifoScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo">FifoScheduler</a></dd>
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<pre>public interface <span class="typeNameLabel">YarnScheduler</span>
extends 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;</pre>
<div class="block">This interface is used by the components to talk to the
scheduler for allocating of resources, cleaning up resources.</div>
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<h3>Method Summary</h3>
<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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<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/YarnScheduler.html#addQueue-org.apache.hadoop.yarn.server.resourcemanager.scheduler.Queue-">addQueue</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/Queue.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">Queue</a>&nbsp;newQueue)</code>
<div class="block">Add to the scheduler a new Queue.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<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/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></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId,
<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="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><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></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="i3" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#checkAndGetApplicationLifetime-java.lang.String-long-">checkAndGetApplicationLifetime</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,
long&nbsp;lifetime)</code>
<div class="block">Verify whether a submitted application lifetime is valid as per configured
Queue lifetime.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Priority</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#checkAndGetApplicationPriority-org.apache.hadoop.yarn.api.records.Priority-org.apache.hadoop.security.UserGroupInformation-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">checkAndGetApplicationPriority</a></span>(org.apache.hadoop.yarn.api.records.Priority&nbsp;priorityRequestedByApp,
org.apache.hadoop.security.UserGroupInformation&nbsp;user,
<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;queuePath,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId)</code>
<div class="block">Verify whether a submitted application priority is valid as per configured
Queue</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getAppResourceUsageReport-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">getAppResourceUsageReport</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</code>
<div class="block">Get a resource usage report from a given app attempt ID.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<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/YarnScheduler.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="i7" 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/YarnScheduler.html#getClusterResource--">getClusterResource</a></span>()</code>
<div class="block">Get the whole resource capacity of the cluster.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Priority</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getMaxClusterLevelAppPriority--">getMaxClusterLevelAppPriority</a></span>()</code>
<div class="block">Get cluster max priority.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getMaximumApplicationLifetime-java.lang.String-">getMaximumApplicationLifetime</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">Get maximum lifetime for a queue.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<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/YarnScheduler.html#getMaximumResourceCapability--">getMaximumResourceCapability</a></span>()</code>
<div class="block">Get maximum allocatable <code>Resource</code> at the cluster level.</div>
</td>
</tr>
<tr id="i11" 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/YarnScheduler.html#getMaximumResourceCapability-java.lang.String-">getMaximumResourceCapability</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">Get maximum allocatable <code>Resource</code> for the queue specified.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<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/YarnScheduler.html#getMinimumResourceCapability--">getMinimumResourceCapability</a></span>()</code>
<div class="block">Get minimum allocatable <code>Resource</code>.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNodeReport.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNodeReport</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getNodeReport-org.apache.hadoop.yarn.api.records.NodeId-">getNodeReport</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>
<div class="block">Get node resource usage report.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<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/YarnScheduler.html#getNormalizedResource-org.apache.hadoop.yarn.api.records.Resource-org.apache.hadoop.yarn.api.records.Resource-">getNormalizedResource</a></span>(org.apache.hadoop.yarn.api.records.Resource&nbsp;requestedResource,
org.apache.hadoop.yarn.api.records.Resource&nbsp;maxResourceCapability)</code>
<div class="block">Normalize a resource request using scheduler level maximum resource or
queue based maximum resource.</div>
</td>
</tr>
<tr id="i15" 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/YarnScheduler.html#getNumClusterNodes--">getNumClusterNodes</a></span>()</code>
<div class="block">Get the number of nodes available in the cluster.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<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.ResourceRequest&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getPendingResourceRequestsForAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">getPendingResourceRequestsForAttempt</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;attemptId)</code>&nbsp;</td>
</tr>
<tr id="i17" 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.SchedulingRequest&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getPendingSchedulingRequestsForAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">getPendingSchedulingRequestsForAttempt</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;attemptId)</code>
<div class="block">Get pending scheduling request for specified application attempt.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getPlanQueues--">getPlanQueues</a></span>()</code>
<div class="block">Gets the list of names for queues managed by the Reservation System</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<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/YarnScheduler.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="i20" class="altColor">
<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/YarnScheduler.html#getQueueUserAclInfo--">getQueueUserAclInfo</a></span>()</code>
<div class="block">Get acls for queues for current user.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<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/YarnScheduler.html#getResourceCalculator--">getResourceCalculator</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<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/YarnScheduler.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="i23" class="rowColor">
<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/YarnScheduler.html#getRootQueueMetrics--">getRootQueueMetrics</a></span>()</code>
<div class="block">Get the root queue for the scheduler.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerAppReport.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerAppReport</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getSchedulerAppInfo-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">getSchedulerAppInfo</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</code>
<div class="block">Get the Scheduler app for a given app attempt Id.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getSchedulerNode-org.apache.hadoop.yarn.api.records.NodeId-">getSchedulerNode</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>
<div class="block">Get SchedulerNode corresponds to nodeId.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;org.apache.hadoop.yarn.proto.YarnServiceProtos.SchedulerResourceTypes&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getSchedulingResourceTypes--">getSchedulingResourceTypes</a></span>()</code>
<div class="block">Return a collection of the resource types that are considered when
scheduling</div>
</td>
</tr>
<tr id="i27" 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.Container&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#getTransferredContainers-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">getTransferredContainers</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</code>
<div class="block">Get previous attempts' live containers for work-preserving AM restart.</div>
</td>
</tr>
<tr id="i28" 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/YarnScheduler.html#killAllAppsInQueue-java.lang.String-">killAllAppsInQueue</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">Terminate all applications in the specified queue.</div>
</td>
</tr>
<tr id="i29" 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/YarnScheduler.html#moveAllApps-java.lang.String-java.lang.String-">moveAllApps</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;sourceQueue,
<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;destQueue)</code>
<div class="block">Completely drain sourceQueue of applications, by moving all of them to
destQueue.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#moveApplication-org.apache.hadoop.yarn.api.records.ApplicationId-java.lang.String-">moveApplication</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<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;newQueue)</code>
<div class="block">Moves the given application to the given queue</div>
</td>
</tr>
<tr id="i31" 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/YarnScheduler.html#preValidateMoveApplication-org.apache.hadoop.yarn.api.records.ApplicationId-java.lang.String-">preValidateMoveApplication</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<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;newQueue)</code>&nbsp;</td>
</tr>
<tr id="i32" 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/YarnScheduler.html#removeQueue-java.lang.String-">removeQueue</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">Remove an existing queue.</div>
</td>
</tr>
<tr id="i33" 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/YarnScheduler.html#setClusterMaxPriority-org.apache.hadoop.conf.Configuration-">setClusterMaxPriority</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>
<div class="block">Set the cluster max priority</div>
</td>
</tr>
<tr id="i34" 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/YarnScheduler.html#setEntitlement-java.lang.String-org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.QueueEntitlement-">setEntitlement</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;queue,
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/QueueEntitlement.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common">QueueEntitlement</a>&nbsp;entitlement)</code>
<div class="block">This method increase the entitlement for current queue (must respect
invariants, e.g., no overcommit of parents, non negative, etc.).</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Priority</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.html#updateApplicationPriority-org.apache.hadoop.yarn.api.records.Priority-org.apache.hadoop.yarn.api.records.ApplicationId-org.apache.hadoop.thirdparty.com.google.common.util.concurrent.SettableFuture-org.apache.hadoop.security.UserGroupInformation-">updateApplicationPriority</a></span>(org.apache.hadoop.yarn.api.records.Priority&nbsp;newPriority,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId,
org.apache.hadoop.thirdparty.com.google.common.util.concurrent.SettableFuture&lt;<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>&gt;&nbsp;future,
org.apache.hadoop.security.UserGroupInformation&nbsp;user)</code>
<div class="block">Change application priority of a submitted application at runtime</div>
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<h3>Methods inherited from interface&nbsp;org.apache.hadoop.yarn.event.EventHandler</h3>
<code>handle</code></li>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
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)
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">Get queue information</div>
<dl>
<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>
<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>
</dl>
</li>
</ul>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
<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">Get acls for queues for current user.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>acls for queues for current user</dd>
</dl>
</li>
</ul>
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<h4>getClusterResource</h4>
<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Unstable
org.apache.hadoop.yarn.api.records.Resource&nbsp;getClusterResource()</pre>
<div class="block">Get the whole resource capacity of the cluster.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the whole resource capacity of the cluster.</dd>
</dl>
</li>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
org.apache.hadoop.yarn.api.records.Resource&nbsp;getMinimumResourceCapability()</pre>
<div class="block">Get minimum allocatable <code>Resource</code>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>minimum allocatable resource</dd>
</dl>
</li>
</ul>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
org.apache.hadoop.yarn.api.records.Resource&nbsp;getMaximumResourceCapability()</pre>
<div class="block">Get maximum allocatable <code>Resource</code> at the cluster level.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>maximum allocatable resource</dd>
</dl>
</li>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
org.apache.hadoop.yarn.api.records.Resource&nbsp;getMaximumResourceCapability(<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">Get maximum allocatable <code>Resource</code> for the queue specified.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queueName</code> - queue name</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>maximum allocatable resource</dd>
</dl>
</li>
</ul>
<a name="getResourceCalculator--">
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<h4>getResourceCalculator</h4>
<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Evolving
org.apache.hadoop.yarn.util.resource.ResourceCalculator&nbsp;getResourceCalculator()</pre>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
int&nbsp;getNumClusterNodes()</pre>
<div class="block">Get the number of nodes available in the cluster.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of available nodes.</dd>
</dl>
</li>
</ul>
<a name="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-">
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<h4>allocate</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
<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;appAttemptId,
<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">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="paramLabel">Parameters:</span></dt>
<dd><code>appAttemptId</code> - </dd>
<dd><code>ask</code> - </dd>
<dd><code>schedulingRequests</code> - </dd>
<dd><code>release</code> - </dd>
<dd><code>blacklistAdditions</code> - </dd>
<dd><code>blacklistRemovals</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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<a name="getNodeReport-org.apache.hadoop.yarn.api.records.NodeId-">
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<h4>getNodeReport</h4>
<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Stable
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNodeReport.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNodeReport</a>&nbsp;getNodeReport(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
<div class="block">Get node resource usage report.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodeId</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the <a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNodeReport.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler"><code>SchedulerNodeReport</code></a> for the node or null
if nodeId does not point to a defined node.</dd>
</dl>
</li>
</ul>
<a name="getSchedulerAppInfo-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">
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<h4>getSchedulerAppInfo</h4>
<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Stable
<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerAppReport.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerAppReport</a>&nbsp;getSchedulerAppInfo(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</pre>
<div class="block">Get the Scheduler app for a given app attempt Id.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>appAttemptId</code> - the id of the application attempt</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>SchedulerApp for this given attempt.</dd>
</dl>
</li>
</ul>
<a name="getAppResourceUsageReport-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">
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<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Evolving
org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport&nbsp;getAppResourceUsageReport(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</pre>
<div class="block">Get a resource usage report from a given app attempt ID.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>appAttemptId</code> - the id of the application attempt</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>resource usage report for this given attempt</dd>
</dl>
</li>
</ul>
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<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Evolving
<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">Get the root queue for the scheduler.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the root queue for the scheduler.</dd>
</dl>
</li>
</ul>
<a name="checkAccess-org.apache.hadoop.security.UserGroupInformation-org.apache.hadoop.yarn.api.records.QueueACL-java.lang.String-">
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<pre>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">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="paramLabel">Parameters:</span></dt>
<dd><code>callerUGI</code> - </dd>
<dd><code>acl</code> - </dd>
<dd><code>queueName</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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<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Stable
<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">Gets the apps under a given queue</div>
<dl>
<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>
</dl>
</li>
</ul>
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<h4>getRMContainer</h4>
<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Unstable
<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">Get the container for the given containerId.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>containerId</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the container for the given containerId.</dd>
</dl>
</li>
</ul>
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<h4>moveApplication</h4>
<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Evolving
<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;moveApplication(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<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;newQueue)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Moves the given application to the given queue</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>appId</code> - </dd>
<dd><code>newQueue</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the name of the queue the application was placed into</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the move cannot be carried out</dd>
</dl>
</li>
</ul>
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<pre>@InterfaceAudience.LimitedPrivate(value="yarn")
@InterfaceStability.Evolving
void&nbsp;preValidateMoveApplication(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId,
<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;newQueue)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>appId</code> - Application ID</dd>
<dd><code>newQueue</code> - Target QueueName</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - if the pre-validation for move cannot be carried out</dd>
</dl>
</li>
</ul>
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<pre>void&nbsp;moveAllApps(<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;sourceQueue,
<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;destQueue)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Completely drain sourceQueue of applications, by moving all of them to
destQueue.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sourceQueue</code> - </dd>
<dd><code>destQueue</code> - </dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
</ul>
<a name="killAllAppsInQueue-java.lang.String-">
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<h4>killAllAppsInQueue</h4>
<pre>void&nbsp;killAllAppsInQueue(<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)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Terminate all applications in the specified queue.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queueName</code> - the name of queue to be drained</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
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<pre>void&nbsp;removeQueue(<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)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Remove an existing queue. Implementations might limit when a queue could be
removed (e.g., must have zero entitlement, and no applications running, or
must be a leaf, etc..).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queueName</code> - name of the queue to remove</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
</ul>
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<pre>void&nbsp;addQueue(<a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/Queue.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.scheduler">Queue</a>&nbsp;newQueue)
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">Add to the scheduler a new Queue. Implementations might limit what type of
queues can be dynamically added (e.g., Queue must be a leaf, must be
attached to existing parent, must have zero entitlement).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>newQueue</code> - the queue being added.</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>
</dl>
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<pre>void&nbsp;setEntitlement(<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="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/QueueEntitlement.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common">QueueEntitlement</a>&nbsp;entitlement)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">This method increase the entitlement for current queue (must respect
invariants, e.g., no overcommit of parents, non negative, etc.).
Entitlement is a general term for weights in FairScheduler, capacity for
the CapacityScheduler, etc.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queue</code> - the queue for which we change entitlement</dd>
<dd><code>entitlement</code> - the new entitlement for the queue (capacity,
maxCapacity, etc..)</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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;getPlanQueues()
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Gets the list of names for queues managed by the Reservation System</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the list of queues which support reservations</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html?is-external=true" title="class or interface in java.util">EnumSet</a>&lt;org.apache.hadoop.yarn.proto.YarnServiceProtos.SchedulerResourceTypes&gt;&nbsp;getSchedulingResourceTypes()</pre>
<div class="block">Return a collection of the resource types that are considered when
scheduling</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an EnumSet containing the resource types</dd>
</dl>
</li>
</ul>
<a name="checkAndGetApplicationPriority-org.apache.hadoop.yarn.api.records.Priority-org.apache.hadoop.security.UserGroupInformation-java.lang.String-org.apache.hadoop.yarn.api.records.ApplicationId-">
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<pre>org.apache.hadoop.yarn.api.records.Priority&nbsp;checkAndGetApplicationPriority(org.apache.hadoop.yarn.api.records.Priority&nbsp;priorityRequestedByApp,
org.apache.hadoop.security.UserGroupInformation&nbsp;user,
<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;queuePath,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Verify whether a submitted application priority is valid as per configured
Queue</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>priorityRequestedByApp</code> - Submitted Application priority.</dd>
<dd><code>user</code> - User who submitted the Application</dd>
<dd><code>queuePath</code> - Name of the Queue</dd>
<dd><code>applicationId</code> - Application ID</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Updated Priority from scheduler</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
</ul>
<a name="updateApplicationPriority-org.apache.hadoop.yarn.api.records.Priority-org.apache.hadoop.yarn.api.records.ApplicationId-org.apache.hadoop.thirdparty.com.google.common.util.concurrent.SettableFuture-org.apache.hadoop.security.UserGroupInformation-">
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<pre>org.apache.hadoop.yarn.api.records.Priority&nbsp;updateApplicationPriority(org.apache.hadoop.yarn.api.records.Priority&nbsp;newPriority,
org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;applicationId,
org.apache.hadoop.thirdparty.com.google.common.util.concurrent.SettableFuture&lt;<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>&gt;&nbsp;future,
org.apache.hadoop.security.UserGroupInformation&nbsp;user)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Change application priority of a submitted application at runtime</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>newPriority</code> - Submitted Application priority.</dd>
<dd><code>applicationId</code> - Application ID</dd>
<dd><code>future</code> - Sets any type of exception happened from StateStore</dd>
<dd><code>user</code> - who submitted the application</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>updated priority</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
</ul>
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<h4>getTransferredContainers</h4>
<pre><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.Container&gt;&nbsp;getTransferredContainers(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</pre>
<div class="block">Get previous attempts' live containers for work-preserving AM restart.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>appAttemptId</code> - the id of the application attempt</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of live containers for the given attempt</dd>
</dl>
</li>
</ul>
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<pre>void&nbsp;setClusterMaxPriority(org.apache.hadoop.conf.Configuration&nbsp;conf)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block">Set the cluster max priority</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - </dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd>
</dl>
</li>
</ul>
<a name="getPendingResourceRequestsForAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">
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<h4>getPendingResourceRequestsForAttempt</h4>
<pre><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;getPendingResourceRequestsForAttempt(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;attemptId)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>attemptId</code> - </dd>
</dl>
</li>
</ul>
<a name="getPendingSchedulingRequestsForAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">
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<pre><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;getPendingSchedulingRequestsForAttempt(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;attemptId)</pre>
<div class="block">Get pending scheduling request for specified application attempt.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>attemptId</code> - the id of the application attempt</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>pending scheduling requests</dd>
</dl>
</li>
</ul>
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<pre>org.apache.hadoop.yarn.api.records.Priority&nbsp;getMaxClusterLevelAppPriority()</pre>
<div class="block">Get cluster max priority.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>maximum priority of cluster</dd>
</dl>
</li>
</ul>
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<h4>getSchedulerNode</h4>
<pre><a href="../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerNode</a>&nbsp;getSchedulerNode(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
<div class="block">Get SchedulerNode corresponds to nodeId.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodeId</code> - the node id of RMNode</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>SchedulerNode corresponds to nodeId</dd>
</dl>
</li>
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<pre>org.apache.hadoop.yarn.api.records.Resource&nbsp;getNormalizedResource(org.apache.hadoop.yarn.api.records.Resource&nbsp;requestedResource,
org.apache.hadoop.yarn.api.records.Resource&nbsp;maxResourceCapability)</pre>
<div class="block">Normalize a resource request using scheduler level maximum resource or
queue based maximum resource.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>requestedResource</code> - the resource to be normalized</dd>
<dd><code>maxResourceCapability</code> - Maximum container allocation value, if null or
empty scheduler level maximum container allocation value will be
used</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the normalized resource</dd>
</dl>
</li>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Evolving
long&nbsp;checkAndGetApplicationLifetime(<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,
long&nbsp;lifetime)</pre>
<div class="block">Verify whether a submitted application lifetime is valid as per configured
Queue lifetime.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queueName</code> - Name of the Queue</dd>
<dd><code>lifetime</code> - configured application lifetime</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>valid lifetime as per queue</dd>
</dl>
</li>
</ul>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Evolving
long&nbsp;getMaximumApplicationLifetime(<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">Get maximum lifetime for a queue.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>queueName</code> - to get lifetime</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>maximum lifetime in seconds</dd>
</dl>
</li>
</ul>
</li>
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