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https://issues.apache.org/jira/browse/MAPREDUCE-270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated MAPREDUCE-270:
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Attachment: MAPREDUCE-270_yhadoop20.patch
MAPREDUCE-270.patch
Re-worked the patch after talking to Devaraj.
> TaskTracker could send an out-of-band heartbeat when the last running
> map/reduce completes
> ------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-270
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-270
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Attachments: MAPREDUCE-270.patch, MAPREDUCE-270.patch,
> MAPREDUCE-270_yhadoop20.patch, MAPREDUCE-270_yhadoop20.patch
>
>
> Currently the TaskTracker strictly respects the heartbeat interval, this
> causes utilization issues when all running tasks complete. We could send an
> out-of-band heartbeat in that case.
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