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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6808) Log map attempts as part of shuffle handler audit log
Date Wed, 25 Jan 2017 22:26:26 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838716#comment-15838716
] 

Daniel Templeton commented on MAPREDUCE-6808:
---------------------------------------------

Sweet.  +1

> Log map attempts as part of shuffle handler audit log
> -----------------------------------------------------
>
>                 Key: MAPREDUCE-6808
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6808
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Jonathan Eagles
>            Assignee: Gergő Pásztor
>         Attachments: MAPREDUCE-6808_v1.patch, MAPREDUCE-6808_v2.patch
>
>
> With the introduction tez, multiple unrelated reducers in the same job will have the
same id. The audit log won't be able to distinguish which map attempt the reduce was fetching.
This jira is to discuss the  possibility to add map attempts logging to distinguish between
the two.



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