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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4335) Change the default scheduler to the CapacityScheduler
Date Fri, 15 Jun 2012 18:49:44 GMT

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

Siddharth Seth updated MAPREDUCE-4335:
--------------------------------------

    Status: Open  (was: Patch Available)

Doesn't look like the Javadoc warning is related. The patch doesn't touch and Javadoc statements
/ APIs. Running javadoc:javadoc locally with and without the patch generates the same number
of warnings.
Will attach a new one iac with some formatting fixes.
                
> 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: mrv2
>    Affects Versions: 2.0.0-alpha
>            Reporter: Siddharth Seth
>            Assignee: Siddharth Seth
>         Attachments: MR4335.txt, MR4335_2.txt, MR4335_3.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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