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https://issues.apache.org/jira/browse/MAPREDUCE-4582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsuyoshi OZAWA updated MAPREDUCE-4582:
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    Attachment: MAPREDUCE-4582.2.patch

Thanks for your review, Siddharth.

I fixed the removal to use attemptToLaunchRequestMap and to launch only if its 
target is map task.
                
> [MAPREDUCE-3902] ScheduledRequests#remove should remove the elements from 
> mapsHostMapping and mapsRackMapping
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4582
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4582
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>    Affects Versions: MR-3902
>            Reporter: Tsuyoshi OZAWA
>            Assignee: Tsuyoshi OZAWA
>            Priority: Minor
>         Attachments: MAPREDUCE-4582.2.patch, MAPREDUCE-4582.patch
>
>
> ScheduledRequests#remove only remove the specified TaskAttemptId from "maps".
> It's inefficient, and the method should remove the elements from 
> mapsHostMapping and mapsRackMapping.

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