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Posted to mapreduce-issues@hadoop.apache.org by "Junping Du (JIRA)" <ji...@apache.org> on 2014/09/04 04:02:52 UTC

[jira] [Updated] (MAPREDUCE-5891) Improved shuffle error handling across NM restarts

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Junping Du updated MAPREDUCE-5891:
----------------------------------
    Attachment: MAPREDUCE-5891-v4.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.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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