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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3769) Preemption occurring unnecessarily because preemption doesn't consider user limit
Date Thu, 19 Nov 2015 22:09:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-3769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15014488#comment-15014488
] 

Eric Payne commented on YARN-3769:
----------------------------------

Thanks, [~leftnoteasy], but I'm not seeing failures in {{TestLeafQueue}}:
-----
-----
[hadoop-yarn-server-resourcemanager-jdk1.8.0_66.txt|https://builds.apache.org/job/PreCommit-YARN-Build/9726/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.8.0_66.txt]
{noformat}
Running org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue
Tests run: 26, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 26.435 sec - in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue
{noformat}
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[hadoop-yarn-server-resourcemanager-jdk1.7.0_85.txt|https://builds.apache.org/job/PreCommit-YARN-Build/9726/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager-jdk1.7.0_85.txt]
{noformat}
Running org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue
Tests run: 26, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 22.957 sec - in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestLeafQueue
{noformat}

> Preemption occurring unnecessarily because preemption doesn't consider user limit
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-3769
>                 URL: https://issues.apache.org/jira/browse/YARN-3769
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 2.6.0, 2.7.0, 2.8.0
>            Reporter: Eric Payne
>            Assignee: Eric Payne
>         Attachments: YARN-3769-branch-2.002.patch, YARN-3769-branch-2.7.002.patch, YARN-3769-branch-2.7.003.patch,
YARN-3769-branch-2.7.005.patch, YARN-3769-branch-2.7.006.patch, YARN-3769-branch-2.7.007.patch,
YARN-3769.001.branch-2.7.patch, YARN-3769.001.branch-2.8.patch, YARN-3769.003.patch, YARN-3769.004.patch,
YARN-3769.005.patch
>
>
> We are seeing the preemption monitor preempting containers from queue A and then seeing
the capacity scheduler giving them immediately back to queue A. This happens quite often and
causes a lot of churn.



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