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<div class="subTitle">org.apache.hadoop.yarn.server.scheduler</div>
<h2 title="Class DistributedOpportunisticContainerAllocator" class="title">Class DistributedOpportunisticContainerAllocator</h2>
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<li><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html" title="class in org.apache.hadoop.yarn.server.scheduler">org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerAllocator</a></li>
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<li>org.apache.hadoop.yarn.server.scheduler.DistributedOpportunisticContainerAllocator</li>
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<pre>public class <span class="typeNameLabel">DistributedOpportunisticContainerAllocator</span>
extends <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator</a></pre>
<div class="block"><p>
The DistributedOpportunisticContainerAllocator allocates containers on a
given list of nodes, after modifying the container sizes to respect the
limits set by the ResourceManager. It tries to distribute the containers
as evenly as possible.
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.yarn.server.scheduler.<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator</a></h3>
<code><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.Allocation.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.Allocation</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.AllocationParams.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.AllocationParams</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.ContainerIdGenerator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.ContainerIdGenerator</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.EnrichedResourceRequest.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.EnrichedResourceRequest</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.PartitionedResourceRequests.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.PartitionedResourceRequests</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/DistributedOpportunisticContainerAllocator.html#DistributedOpportunisticContainerAllocator-org.apache.hadoop.yarn.server.security.BaseContainerTokenSecretManager-">DistributedOpportunisticContainerAllocator</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/server/security/BaseContainerTokenSecretManager.html" title="class in org.apache.hadoop.yarn.server.security">BaseContainerTokenSecretManager</a>&nbsp;tokenSecretManager)</code>
<div class="block">Create a new Opportunistic Container Allocator.</div>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/DistributedOpportunisticContainerAllocator.html#DistributedOpportunisticContainerAllocator-org.apache.hadoop.yarn.server.security.BaseContainerTokenSecretManager-int-">DistributedOpportunisticContainerAllocator</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/server/security/BaseContainerTokenSecretManager.html" title="class in org.apache.hadoop.yarn.server.security">BaseContainerTokenSecretManager</a>&nbsp;tokenSecretManager,
int&nbsp;maxAllocationsPerAMHeartbeat)</code>
<div class="block">Create a new Opportunistic Container Allocator.</div>
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<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/scheduler/DistributedOpportunisticContainerAllocator.html#allocateContainers-org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest-java.util.List-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerContext-long-java.lang.String-">allocateContainers</a></span>(org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest&nbsp;blackList,
<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;oppResourceReqs,
org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;applicationAttemptId,
<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerContext</a>&nbsp;opportContext,
long&nbsp;rmIdentifier,
<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;appSubmitter)</code>
<div class="block">Allocate OPPORTUNISTIC containers.</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.yarn.server.scheduler.<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator</a></h3>
<code><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#createContainer-long-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerAllocator.AllocationParams-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerAllocator.ContainerIdGenerator-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-java.lang.String-java.util.Map-java.lang.String-org.apache.hadoop.yarn.api.records.ResourceRequest-org.apache.hadoop.yarn.server.api.protocolrecords.RemoteNode-">createContainer</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#getMaxAllocationsPerAMHeartbeat--">getMaxAllocationsPerAMHeartbeat</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#getRemoteNodePartition-org.apache.hadoop.yarn.server.api.protocolrecords.RemoteNode-">getRemoteNodePartition</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#getRequestPartition-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerAllocator.EnrichedResourceRequest-">getRequestPartition</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#getTotalAllocations-java.util.List-">getTotalAllocations</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#matchAllocation-java.util.List-java.util.List-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerContext-">matchAllocation</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#partitionAskList-java.util.List-">partitionAskList</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#setMaxAllocationsPerAMHeartbeat-int-">setMaxAllocationsPerAMHeartbeat</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#updateBlacklist-org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerContext-">updateBlacklist</a></code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</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>DistributedOpportunisticContainerAllocator</h4>
<pre>public&nbsp;DistributedOpportunisticContainerAllocator(<a href="../../../../../../org/apache/hadoop/yarn/server/security/BaseContainerTokenSecretManager.html" title="class in org.apache.hadoop.yarn.server.security">BaseContainerTokenSecretManager</a>&nbsp;tokenSecretManager)</pre>
<div class="block">Create a new Opportunistic Container Allocator.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tokenSecretManager</code> - TokenSecretManager</dd>
</dl>
</li>
</ul>
<a name="DistributedOpportunisticContainerAllocator-org.apache.hadoop.yarn.server.security.BaseContainerTokenSecretManager-int-">
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<h4>DistributedOpportunisticContainerAllocator</h4>
<pre>public&nbsp;DistributedOpportunisticContainerAllocator(<a href="../../../../../../org/apache/hadoop/yarn/server/security/BaseContainerTokenSecretManager.html" title="class in org.apache.hadoop.yarn.server.security">BaseContainerTokenSecretManager</a>&nbsp;tokenSecretManager,
int&nbsp;maxAllocationsPerAMHeartbeat)</pre>
<div class="block">Create a new Opportunistic Container Allocator.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tokenSecretManager</code> - TokenSecretManager</dd>
<dd><code>maxAllocationsPerAMHeartbeat</code> - max number of containers to be
allocated in one AM heartbeat</dd>
</dl>
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<h3>Method Detail</h3>
<a name="allocateContainers-org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest-java.util.List-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerContext-long-java.lang.String-">
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<h4>allocateContainers</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.Container&gt;&nbsp;allocateContainers(org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest&nbsp;blackList,
<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;oppResourceReqs,
org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;applicationAttemptId,
<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerContext</a>&nbsp;opportContext,
long&nbsp;rmIdentifier,
<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;appSubmitter)
throws org.apache.hadoop.yarn.exceptions.YarnException</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#allocateContainers-org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest-java.util.List-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerContext-long-java.lang.String-">OpportunisticContainerAllocator</a></code></span></div>
<div class="block">Allocate OPPORTUNISTIC containers.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html#allocateContainers-org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest-java.util.List-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerContext-long-java.lang.String-">allocateContainers</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>blackList</code> - Resource BlackList Request</dd>
<dd><code>oppResourceReqs</code> - Opportunistic Resource Requests</dd>
<dd><code>applicationAttemptId</code> - ApplicationAttemptId</dd>
<dd><code>opportContext</code> - App specific OpportunisticContainerContext</dd>
<dd><code>rmIdentifier</code> - RM Identifier</dd>
<dd><code>appSubmitter</code> - App Submitter</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>List of Containers.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code> - YarnException</dd>
</dl>
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