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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4761) NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations on fair scheduler
Date Mon, 07 Mar 2016 03:55:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-4761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15182542#comment-15182542
] 

Hudson commented on YARN-4761:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #9429 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/9429/])
YARN-4761. NMs reconnecting with changed capabilities can lead to wrong (zxu: rev e1ccc9622b2f1fbefea1862fa74d1fb56d8eb264)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/TestAbstractYarnScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java


> NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations
on fair scheduler
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-4761
>                 URL: https://issues.apache.org/jira/browse/YARN-4761
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>    Affects Versions: 2.6.4
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>         Attachments: YARN-4761.01.patch, YARN-4761.02.patch
>
>
> YARN-3802 uncovered an issue with the scheduler where the resource calculation can be
incorrect due to async event handling. It was subsequently fixed by YARN-4344, but it was
never fixed for the fair scheduler.



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