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https://issues.apache.org/jira/browse/MAPREDUCE-5891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated MAPREDUCE-5891:
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Attachment: MAPREDUCE-5891-v5.patch
Fix the default value as discussion above in v5 patch.
> Improved shuffle error handling across NM restarts
> --------------------------------------------------
>
> Key: MAPREDUCE-5891
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5891
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 2.5.0
> Reporter: Jason Lowe
> Assignee: Junping Du
> Attachments: MAPREDUCE-5891-demo.patch, MAPREDUCE-5891-v2.patch,
> MAPREDUCE-5891-v3.patch, MAPREDUCE-5891-v4.patch, MAPREDUCE-5891-v5.patch,
> MAPREDUCE-5891.patch
>
>
> To minimize the number of map fetch failures reported by reducers across an
> NM restart it would be nice if reducers only reported a fetch failure after
> trying for at specified period of time to retrieve the data.
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