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https://issues.apache.org/jira/browse/YARN-6144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15860443#comment-15860443
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Hudson commented on YARN-6144:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11229 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11229/])
YARN-6144. FairScheduler: preempted resources can become negative. (kasha: rev
08f93978f3ec724b24a93d7ef538f158da75802f)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSAppAttempt.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/TestFairScheduler.java
> FairScheduler: preempted resources can become negative
> ------------------------------------------------------
>
> Key: YARN-6144
> URL: https://issues.apache.org/jira/browse/YARN-6144
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler, resourcemanager
> Affects Versions: 3.0.0-alpha2
> Reporter: Miklos Szegedi
> Assignee: Miklos Szegedi
> Priority: Blocker
> Fix For: 2.9.0, 3.0.0-alpha3
>
> Attachments: Screen Shot 2017-02-02 at 12.49.14 PM.png,
> YARN-6144.000.patch, YARN-6144.001.patch, YARN-6144.002.patch,
> YARN-6144.003.patch
>
>
> {{preemptContainers()}} calls {{trackContainerForPreemption()}} to collect
> the list of containers and resources that were preempted for an application.
> Later the list is reduced when {{containerCompleted()}} calls
> {{untrackContainerForPreemption()}}. The bug is that the resource variable
> {{preemptedResources}} is subtracted, not just when the container was
> preempted but also when it has completed successfully. This causes that we
> return an incorrect value in {{getResourceUsage()}}.
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