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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4781) Support intra-queue preemption for fairness ordering policy.
Date Mon, 28 May 2018 11:26:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-4781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16492564#comment-16492564
] 

Hudson commented on YARN-4781:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14301 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14301/])
YARN-4781. Support intra-queue preemption for fairness ordering policy. (sunilg: rev 7c343669baf660df3b70d58987d6e68aec54d6fa)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/ProportionalCapacityPreemptionPolicyMockFramework.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/FifoIntraQueuePreemptionPlugin.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TempAppPerPartition.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/IntraQueueCandidatesSelector.java
* (add) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicyIntraQueueFairOrdering.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/policy/AbstractComparatorOrderingPolicy.java


> Support intra-queue preemption for fairness ordering policy.
> ------------------------------------------------------------
>
>                 Key: YARN-4781
>                 URL: https://issues.apache.org/jira/browse/YARN-4781
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: scheduler
>            Reporter: Wangda Tan
>            Assignee: Eric Payne
>            Priority: Major
>         Attachments: YARN-4781.001.patch, YARN-4781.002.patch, YARN-4781.003.patch, YARN-4781.004.patch,
YARN-4781.005.patch
>
>
> We introduced fairness queue policy since YARN-3319, which will let large applications
make progresses and not starve small applications. However, if a large application takes the
queue’s resources, and containers of the large app has long lifespan, small applications
could still wait for resources for long time and SLAs cannot be guaranteed.
> Instead of wait for application release resources on their own, we need to preempt resources
of queue with fairness policy enabled.



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