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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-server / hadoop-yarn-server-common / apidocs / org / apache / hadoop / yarn / server / scheduler / OpportunisticContainerContext.html
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<div class="subTitle">org.apache.hadoop.yarn.server.scheduler</div>
<h2 title="Class OpportunisticContainerContext" class="title">Class OpportunisticContainerContext</h2>
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<pre>public class <span class="typeNameLabel">OpportunisticContainerContext</span>
extends <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></pre>
<div class="block">This encapsulates application specific information used by the
Opportunistic Container Allocator to allocate containers.</div>
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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/scheduler/OpportunisticContainerContext.html#OpportunisticContainerContext--">OpportunisticContainerContext</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></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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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#addToOutstandingReqs-java.util.List-">addToOutstandingReqs</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.api.records.ResourceRequest&gt;&nbsp;resourceAsks)</code>
<div class="block">Takes a list of ResourceRequests (asks), extracts the key information viz.</div>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.AllocationParams.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.AllocationParams</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#getAppParams--">getAppParams</a></span>()</code>&nbsp;</td>
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<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/scheduler/OpportunisticContainerContext.html#getBlacklist--">getBlacklist</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.ContainerIdGenerator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.ContainerIdGenerator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#getContainerIdGenerator--">getContainerIdGenerator</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../../org/apache/hadoop/yarn/server/api/protocolrecords/RemoteNode.html" title="class in org.apache.hadoop.yarn.server.api.protocolrecords">RemoteNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#getNodeMap--">getNodeMap</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/yarn/server/metrics/OpportunisticSchedulerMetrics.html" title="class in org.apache.hadoop.yarn.server.metrics">OpportunisticSchedulerMetrics</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#getOppSchedulerMetrics--">getOppSchedulerMetrics</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/TreeMap.html?is-external=true" title="class or interface in java.util">TreeMap</a>&lt;<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/SchedulerRequestKey.html" title="class in org.apache.hadoop.yarn.server.scheduler">SchedulerRequestKey</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.hadoop.yarn.api.records.Resource,<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.EnrichedResourceRequest.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.EnrichedResourceRequest</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#getOutstandingOpReqs--">getOutstandingOpReqs</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#matchAllocationToOutstandingRequest-org.apache.hadoop.yarn.api.records.Resource-java.util.List-">matchAllocationToOutstandingRequest</a></span>(org.apache.hadoop.yarn.api.records.Resource&nbsp;capability,
<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="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.Allocation.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.Allocation</a>&gt;&nbsp;allocations)</code>
<div class="block">This method matches a returned list of Container Allocations to any
outstanding OPPORTUNISTIC ResourceRequest.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#setContainerIdGenerator-org.apache.hadoop.yarn.server.scheduler.OpportunisticContainerAllocator.ContainerIdGenerator-">setContainerIdGenerator</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.ContainerIdGenerator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.ContainerIdGenerator</a>&nbsp;containerIdGenerator)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#updateAllocationParams-org.apache.hadoop.yarn.api.records.Resource-org.apache.hadoop.yarn.api.records.Resource-org.apache.hadoop.yarn.api.records.Resource-int-">updateAllocationParams</a></span>(org.apache.hadoop.yarn.api.records.Resource&nbsp;minResource,
org.apache.hadoop.yarn.api.records.Resource&nbsp;maxResource,
org.apache.hadoop.yarn.api.records.Resource&nbsp;incrResource,
int&nbsp;containerTokenExpiryInterval)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerContext.html#updateNodeList-java.util.List-">updateNodeList</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;<a href="../../../../../../org/apache/hadoop/yarn/server/api/protocolrecords/RemoteNode.html" title="class in org.apache.hadoop.yarn.server.api.protocolrecords">RemoteNode</a>&gt;&nbsp;newNodeList)</code>&nbsp;</td>
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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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<pre>public&nbsp;OpportunisticContainerContext()</pre>
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<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.AllocationParams.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.AllocationParams</a>&nbsp;getAppParams()</pre>
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<h4>getContainerIdGenerator</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.ContainerIdGenerator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.ContainerIdGenerator</a>&nbsp;getContainerIdGenerator()</pre>
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<pre>public&nbsp;void&nbsp;setContainerIdGenerator(<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.ContainerIdGenerator.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.ContainerIdGenerator</a>&nbsp;containerIdGenerator)</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="../../../../../../org/apache/hadoop/yarn/server/api/protocolrecords/RemoteNode.html" title="class in org.apache.hadoop.yarn.server.api.protocolrecords">RemoteNode</a>&gt;&nbsp;getNodeMap()</pre>
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<pre>public&nbsp;void&nbsp;updateNodeList(<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="../../../../../../org/apache/hadoop/yarn/server/api/protocolrecords/RemoteNode.html" title="class in org.apache.hadoop.yarn.server.api.protocolrecords">RemoteNode</a>&gt;&nbsp;newNodeList)</pre>
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<pre>public&nbsp;void&nbsp;updateAllocationParams(org.apache.hadoop.yarn.api.records.Resource&nbsp;minResource,
org.apache.hadoop.yarn.api.records.Resource&nbsp;maxResource,
org.apache.hadoop.yarn.api.records.Resource&nbsp;incrResource,
int&nbsp;containerTokenExpiryInterval)</pre>
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<pre>public&nbsp;<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;getBlacklist()</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/TreeMap.html?is-external=true" title="class or interface in java.util">TreeMap</a>&lt;<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/SchedulerRequestKey.html" title="class in org.apache.hadoop.yarn.server.scheduler">SchedulerRequestKey</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;org.apache.hadoop.yarn.api.records.Resource,<a href="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.EnrichedResourceRequest.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.EnrichedResourceRequest</a>&gt;&gt;&nbsp;getOutstandingOpReqs()</pre>
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<pre>public&nbsp;void&nbsp;addToOutstandingReqs(<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;resourceAsks)</pre>
<div class="block">Takes a list of ResourceRequests (asks), extracts the key information viz.
(Priority, ResourceName, Capability) and adds to the outstanding
OPPORTUNISTIC outstandingOpReqs map. The nested map is required to enforce
the current YARN constraint that only a single ResourceRequest can exist at
a give Priority and Capability.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>resourceAsks</code> - the list with the <code>ResourceRequest</code>s</dd>
</dl>
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<pre>public&nbsp;void&nbsp;matchAllocationToOutstandingRequest(org.apache.hadoop.yarn.api.records.Resource&nbsp;capability,
<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="../../../../../../org/apache/hadoop/yarn/server/scheduler/OpportunisticContainerAllocator.Allocation.html" title="class in org.apache.hadoop.yarn.server.scheduler">OpportunisticContainerAllocator.Allocation</a>&gt;&nbsp;allocations)</pre>
<div class="block">This method matches a returned list of Container Allocations to any
outstanding OPPORTUNISTIC ResourceRequest.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>capability</code> - Capability</dd>
<dd><code>allocations</code> - Allocations.</dd>
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<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/server/metrics/OpportunisticSchedulerMetrics.html" title="class in org.apache.hadoop.yarn.server.metrics">OpportunisticSchedulerMetrics</a>&nbsp;getOppSchedulerMetrics()</pre>
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