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https://issues.apache.org/jira/browse/MAPREDUCE-5692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13853245#comment-13853245
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Gera Shegalov commented on MAPREDUCE-5692:
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Test failure is not caused by this patch. See YARN-1463. 

> Add explicit diagnostics when a task attempt is killed due to speculative 
> execution
> -----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5692
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5692
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>    Affects Versions: 2.2.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>         Attachments: MAPREDUCE-5692.v01.patch
>
>
> We need to clearly indicate when a task attempt is killed because another 
> task attempt succeeded first when speculative execution is enabled.



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