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From "Mahadev konar (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1253) Making Mumak work with Capacity-Scheduler
Date Wed, 11 Aug 2010 18:57:18 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Mahadev konar updated MAPREDUCE-1253:

          Status: Resolved  (was: Patch Available)
    Hadoop Flags: [Reviewed]
      Resolution: Fixed

+1 for the patch. I just committed this. ant test for mumak pass. 

> Making Mumak work with Capacity-Scheduler
> -----------------------------------------
>                 Key: MAPREDUCE-1253
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1253
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/mumak
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Anirban Dasgupta
>            Assignee: Anirban Dasgupta
>         Attachments: MAPREDUCE-1253-20100406.patch, MAPREDUCE-1253-20100726-2.patch,
>   Original Estimate: 672h
>  Remaining Estimate: 672h
> In order to make the capacity-scheduler work in the mumak simulation environment, we
have to replace the job-initialization threads of the capacity scheduler with classes that
perform event-based initialization. We propose to use aspectj to disable the threads  of the
JobInitializationPoller class used by the Capacity Scheduler, and then perform the corresponding
initialization tasks through a simulation job-initialization class that receives periodic
wake-up calls from the simulator engine.

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