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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4335) Change the default scheduler to the CapacityScheduler
Date Sat, 29 Sep 2012 16:08:08 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated MAPREDUCE-4335:
-------------------------------------

    Target Version/s:   (was: )
              Status: Open  (was: Patch Available)

Needs to be updated post YARN-1
                
> Change the default scheduler to the CapacityScheduler
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-4335
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4335
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>          Components: scheduler
>    Affects Versions: 2.0.0-alpha
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>         Attachments: MR4335_2.txt, MR4335_3.txt, MR4335_4.txt, MR4335.txt
>
>
> There's some bugs in the FifoScheduler atm - doesn't distribute tasks across nodes and
some headroom (available resource) issues.
> That's not the best experience for users trying out the 2.0 branch. The CS with the default
configuration of a single queue behaves the same as the FifoScheduler and doesn't have these
issues.

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