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https://issues.apache.org/jira/browse/YARN-3941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14640530#comment-14640530
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Hudson commented on YARN-3941:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk #2193 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2193/])
YARN-3941. Proportional Preemption policy should try to avoid sending duplicate
PREEMPT_CONTAINER event to scheduler. (Sunil G via wangda) (wangda: rev
3bba1800513b38a4827f7552f348db87dc47c783)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/ProportionalCapacityPreemptionPolicy.java
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/monitor/capacity/TestProportionalCapacityPreemptionPolicy.java
> Proportional Preemption policy should try to avoid sending duplicate
> PREEMPT_CONTAINER event to scheduler
> ---------------------------------------------------------------------------------------------------------
>
> Key: YARN-3941
> URL: https://issues.apache.org/jira/browse/YARN-3941
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 2.7.1
> Reporter: Sunil G
> Assignee: Sunil G
> Fix For: 2.8.0
>
> Attachments: 0001-YARN-3941.patch
>
>
> Currently ProportionalCPP tries to send multiple PREEMPT_CONTAINER events to
> scheduler during every cycle of preemption check till the container is either
> forcefully killed or preempted by AM.
> This can be throttled from ProportionalPreemptionPolicy to avoid excess of
> events to scheduler.
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