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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1785) FairScheduler treats app lookup failures as ERRORs
Date Thu, 06 Mar 2014 14:55:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-1785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922596#comment-13922596
] 

Hudson commented on YARN-1785:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #1718 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1718/])
YARN-1785. FairScheduler treats app lookup failures as ERRORs. (bc Wong via kasha) (kasha:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1574604)
* /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


> FairScheduler treats app lookup failures as ERRORs
> --------------------------------------------------
>
>                 Key: YARN-1785
>                 URL: https://issues.apache.org/jira/browse/YARN-1785
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.3.0
>            Reporter: bc Wong
>            Assignee: bc Wong
>             Fix For: 2.4.0
>
>         Attachments: 0001-YARN-1785.-FairScheduler-treats-app-lookup-failures-.patch
>
>
> When invoking the /ws/v1/cluster/apps endpoint, RM will eventually get to RMAppImpl#createAndGetApplicationReport,
which calls RMAppAttemptImpl#getApplicationResourceUsageReport, which looks up the app in
the scheduler, which may or may not exist. So FairScheduler shouldn't log an error for every
lookup failure:
> {noformat}
> 2014-02-17 08:23:21,240 ERROR org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler:
Request for appInfo of unknown attemptappattempt_1392419715319_0135_000001
> {noformat}



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