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https://issues.apache.org/jira/browse/MAPREDUCE-5592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13805646#comment-13805646
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Sandy Ryza commented on MAPREDUCE-5592:
---------------------------------------

Verified the attached patch on a pseudo-distributed cluster with the default 
task controller.

> Backport MAPREDUCE-1119 (stack traces on task timeout) in branch-1
> ------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5592
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5592
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: task-controller
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-5592-branch-1.patch
>
>
> MAPREDUCE-1119 dumps stack traces on a task timeout, making it easier this 
> difficult case easier to debug.  This made it into 0.21, but never into 
> branch-1, and the backport very very dirty.



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