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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-111) Application level priority in Resource Manager Schedulers
Date Thu, 20 Sep 2012 21:16:08 GMT

    [ https://issues.apache.org/jira/browse/YARN-111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459974#comment-13459974
] 

Arun C Murthy commented on YARN-111:
------------------------------------

Apart from the default FIFO scheduler, none of the existing schedulers in hadoop-1.x support
application priority - this leads to very interesting corner cases, resource deadlocks etc.
which no one yet supports.

With YARN it's much more feasible, but not yet implemented.

Hope that helps...
                
> Application level priority in Resource Manager Schedulers
> ---------------------------------------------------------
>
>                 Key: YARN-111
>                 URL: https://issues.apache.org/jira/browse/YARN-111
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.0.1-alpha
>            Reporter: nemon lou
>
> We need application level priority for Hadoop 2.0,both in FIFO scheduler and Capacity
Scheduler.
> In Hadoop 1.0.x,job priority is supported.

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