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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1724) Race condition in Fair Scheduler when continuous scheduling is turned on
Date Wed, 19 Feb 2014 13:44:32 GMT

    [ https://issues.apache.org/jira/browse/YARN-1724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13905441#comment-13905441
] 

Hudson commented on YARN-1724:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #1678 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1678/])
YARN-1724. Race condition in Fair Scheduler when continuous scheduling is turned on (Sandy
Ryza) (sandy: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1569447)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/trunk/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


> Race condition in Fair Scheduler when continuous scheduling is turned on 
> -------------------------------------------------------------------------
>
>                 Key: YARN-1724
>                 URL: https://issues.apache.org/jira/browse/YARN-1724
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: YARN-1724-1.patch, YARN-1724.patch
>
>
> If nodes resource allocations change during
>         Collections.sort(nodeIdList, nodeAvailableResourceComparator);
> we'll hit:
> java.lang.IllegalArgumentException: Comparison method violates its general contract!



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