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https://issues.apache.org/jira/browse/MAPREDUCE-1030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12759608#action_12759608
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Arun C Murthy commented on MAPREDUCE-1030:
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Nit: With this change CapacityTaskScheduler.assignTasks returns an empty List
when assignMultipleTasks is true and cannot find any task (map or reduce) to
schedule... however, it returns null if assignMultipleTasks is false and cannot
find a map or reduce to schedule.
> Reduce tasks are getting starved in capacity scheduler
> ------------------------------------------------------
>
> Key: MAPREDUCE-1030
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1030
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/capacity-sched
> Affects Versions: 0.21.0
> Reporter: rahul k singh
> Assignee: rahul k singh
> Priority: Blocker
> Fix For: 0.21.0
>
> Attachments: MAPREDUCE-1030-1.patch, MAPREDUCE-1030-2.patch.txt
>
>
> reduce tasks are getting starved in capacity scheduler.
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