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https://issues.apache.org/jira/browse/MAPREDUCE-6808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15761830#comment-15761830
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Gergő Pásztor commented on MAPREDUCE-6808:
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I will look at it tomorrow. However I can't say that this will be solved before 
the holiday season (what will start in this weekend and will end in January).

> 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
>            Reporter: Jonathan Eagles
>            Assignee: Gergő Pásztor
>
> 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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