[jira] Commented: (MAPREDUCE-1253) Making Mumak work with Capacity-Scheduler

["Hong Tang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892690#action_12892690 ] 

Hong Tang commented on MAPREDUCE-1253:
--------------------------------------

All mumak unit tests passed on my local machine after applying patch mr-1834-20100727.patch from MAPREDUCE-1834.

> 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
>            Priority: Minor
>         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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