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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-460) CS user left in list of active users for the queue even when application finished
Date Sun, 10 Mar 2013 03:35:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13598148#comment-13598148
] 

Arun C Murthy commented on YARN-460:
------------------------------------

Thomas - one thing that bothers me...

Should we return some sort of error indication back to the AM in the case that it has been
'stopped'? 

Currently your patch just returns EMPTY_ALLOCATION... OTOH, the current usage of EMPTY_ALLOCATION
i.e. when Application is 'null' also suffers from same issue i.e. no error indication to AM.

                
> CS user left in list of active users for the queue even when application finished
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-460
>                 URL: https://issues.apache.org/jira/browse/YARN-460
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 0.23.7, 2.0.4-alpha
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>            Priority: Critical
>         Attachments: YARN-460-branch-0.23.patch, YARN-460.patch, YARN-460.patch
>
>
> We have seen a user get left in the queues list of active users even though the application
was removed. This can cause everyone else in the queue to get less resources if using the
minimum user limit percent config.

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