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https://issues.apache.org/jira/browse/YARN-3769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15014488#comment-15014488
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Eric Payne commented on YARN-3769:
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Thanks, [~leftnoteasy], but I'm not seeing failures in {{TestLeafQueue}}:
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[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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