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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-278) Fair scheduler maxRunningApps config causes no apps to make progress
Date Fri, 21 Dec 2012 16:29:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13538183#comment-13538183
] 

Hudson commented on YARN-278:
-----------------------------

Integrated in Hadoop-trunk-Commit #3148 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/3148/])
    YARN-278. Fair scheduler maxRunningApps config causes no apps to make progress. (sandyr
via tucu) (Revision 1424989)

     Result = SUCCESS
tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1424989
Files : 
* /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/FSLeafQueue.java
* /hadoop/common/trunk/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

                
> Fair scheduler maxRunningApps config causes no apps to make progress
> --------------------------------------------------------------------
>
>                 Key: YARN-278
>                 URL: https://issues.apache.org/jira/browse/YARN-278
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, scheduler
>    Affects Versions: 2.0.2-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>             Fix For: 2.0.3-alpha
>
>         Attachments: YARN-278.patch, YARN-278.patch
>
>
> This occurs because the scheduler erroneously chooses apps to offer resources to that
are not runnable, then later decides they are not runnable, and doesn't try to give the resources
to anyone else.

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