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| <h2 title="Class CapacitySchedulerPreemptionUtils" class="title">Class CapacitySchedulerPreemptionUtils</h2> |
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| <pre>public class <span class="typeNameLabel">CapacitySchedulerPreemptionUtils</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> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionUtils.html#CapacitySchedulerPreemptionUtils--">CapacitySchedulerPreemptionUtils</a></span>()</code> </td> |
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| <td class="colFirst"><code>protected static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionUtils.html#addToPreemptMap-java.util.Map-java.util.Map-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-">addToPreemptMap</a></span>(<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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> preemptMap, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> curCandidates, |
| org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId, |
| <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a> containerToPreempt)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionUtils.html#deductPreemptableResourcesBasedSelectedCandidates-org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.CapacitySchedulerPreemptionContext-java.util.Map-">deductPreemptableResourcesBasedSelectedCandidates</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity">CapacitySchedulerPreemptionContext</a> context, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> selectedCandidates)</code> </td> |
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| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <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><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.yarn.api.records.Resource></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionUtils.html#getResToObtainByPartitionForLeafQueue-org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.CapacitySchedulerPreemptionContext-java.lang.String-org.apache.hadoop.yarn.api.records.Resource-">getResToObtainByPartitionForLeafQueue</a></span>(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity">CapacitySchedulerPreemptionContext</a> context, |
| <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> queueName, |
| org.apache.hadoop.yarn.api.records.Resource clusterResource)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionUtils.html#isContainerAlreadySelected-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-java.util.Map-">isContainerAlreadySelected</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> container, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> selectedCandidates)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionUtils.html#tryPreemptContainerAndDeductResToObtain-org.apache.hadoop.yarn.util.resource.ResourceCalculator-org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.CapacitySchedulerPreemptionContext-java.util.Map-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-org.apache.hadoop.yarn.api.records.Resource-java.util.Map-java.util.Map-org.apache.hadoop.yarn.api.records.Resource-boolean-">tryPreemptContainerAndDeductResToObtain</a></span>(org.apache.hadoop.yarn.util.resource.ResourceCalculator rc, |
| <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity">CapacitySchedulerPreemptionContext</a> context, |
| <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><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.yarn.api.records.Resource> resourceToObtainByPartitions, |
| <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a> rmContainer, |
| org.apache.hadoop.yarn.api.records.Resource clusterResource, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> preemptMap, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> curCandidates, |
| org.apache.hadoop.yarn.api.records.Resource totalPreemptionAllowed, |
| boolean conservativeDRF)</code> |
| <div class="block">Invoke this method to preempt container based on resToObtain.</div> |
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| <h4>CapacitySchedulerPreemptionUtils</h4> |
| <pre>public CapacitySchedulerPreemptionUtils()</pre> |
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| <h4>getResToObtainByPartitionForLeafQueue</h4> |
| <pre>public static <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><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.yarn.api.records.Resource> getResToObtainByPartitionForLeafQueue(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity">CapacitySchedulerPreemptionContext</a> context, |
| <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> queueName, |
| org.apache.hadoop.yarn.api.records.Resource clusterResource)</pre> |
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| <pre>public static boolean isContainerAlreadySelected(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a> container, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> selectedCandidates)</pre> |
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| <pre>public static void deductPreemptableResourcesBasedSelectedCandidates(<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity">CapacitySchedulerPreemptionContext</a> context, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> selectedCandidates)</pre> |
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| <pre>public static boolean tryPreemptContainerAndDeductResToObtain(org.apache.hadoop.yarn.util.resource.ResourceCalculator rc, |
| <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/CapacitySchedulerPreemptionContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity">CapacitySchedulerPreemptionContext</a> context, |
| <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><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,org.apache.hadoop.yarn.api.records.Resource> resourceToObtainByPartitions, |
| <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a> rmContainer, |
| org.apache.hadoop.yarn.api.records.Resource clusterResource, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> preemptMap, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> curCandidates, |
| org.apache.hadoop.yarn.api.records.Resource totalPreemptionAllowed, |
| boolean conservativeDRF)</pre> |
| <div class="block">Invoke this method to preempt container based on resToObtain.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rc</code> - resource calculator</dd> |
| <dd><code>context</code> - preemption context</dd> |
| <dd><code>resourceToObtainByPartitions</code> - map to hold resource to obtain per partition</dd> |
| <dd><code>rmContainer</code> - container</dd> |
| <dd><code>clusterResource</code> - total resource</dd> |
| <dd><code>preemptMap</code> - map to hold preempted containers</dd> |
| <dd><code>totalPreemptionAllowed</code> - total preemption allowed per round</dd> |
| <dd><code>conservativeDRF</code> - should we do conservativeDRF preemption or not. |
| When true: |
| stop preempt container when any major resource type |
| <= 0 for to-preempt. |
| This is default preemption behavior of intra-queue preemption |
| When false: |
| stop preempt container when: all major resource type |
| <= 0 for to-preempt. |
| This is default preemption behavior of inter-queue preemption</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>should we preempt rmContainer. If we should, deduct from |
| <code>resourceToObtainByPartition</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="addToPreemptMap-java.util.Map-java.util.Map-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer-"> |
| <!-- --> |
| </a> |
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| <h4>addToPreemptMap</h4> |
| <pre>protected static void addToPreemptMap(<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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> preemptMap, |
| <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><org.apache.hadoop.yarn.api.records.ApplicationAttemptId,<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><<a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a>>> curCandidates, |
| org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId, |
| <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainer.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager.rmcontainer">RMContainer</a> containerToPreempt)</pre> |
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