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https://issues.apache.org/jira/browse/MAPREDUCE-4582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447882#comment-13447882
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Siddharth Seth commented on MAPREDUCE-4582:
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bq. removing entries from attemptToLaunchRequestMap needs to happen after the
ScheduledRequests.remove call.
handleTaStopRequest removes the task attempt from attemptToLaunchRequestMap
before it attempts to remove the attempt from ScheduledRequests. By the
previous comment, I meant this order of removal needs to be fixed.
> [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-4582.3.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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