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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3547) FairScheduler: Apps that have no resource demand should not participate scheduling
Date Sat, 30 May 2015 14:33:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-3547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14566007#comment-14566007
] 

Hudson commented on YARN-3547:
------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #2141 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2141/])
YARN-3547. FairScheduler: Apps that have no resource demand should not participate scheduling.
(Xianyin Xin via kasha) (kasha: rev 3ae2a625018bc8cf431aa19da5bf8fe4ef8c1ad4)
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSLeafQueue.java


> FairScheduler: Apps that have no resource demand should not participate scheduling
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-3547
>                 URL: https://issues.apache.org/jira/browse/YARN-3547
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: fairscheduler
>            Reporter: Xianyin Xin
>            Assignee: Xianyin Xin
>             Fix For: 2.8.0
>
>         Attachments: YARN-3547.001.patch, YARN-3547.002.patch, YARN-3547.003.patch, YARN-3547.004.patch,
YARN-3547.005.patch, YARN-3547.006.patch
>
>
> At present, all of the 'running' apps participate the scheduling process, however, most
of them may have no resource demand on a production cluster, as the app's status is running
other than waiting for resource at the most of the app's lifetime. It's not a wise way we
sort all the 'running' apps and try to fulfill them, especially on a large-scale cluster which
has heavy scheduling load. 



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