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https://issues.apache.org/jira/browse/MAPREDUCE-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12787439#action_12787439
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Vinod K V commented on MAPREDUCE-1131:
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Also, now that the patch needs some update, can you also add a positive test to 
verify success with hprof? We can then also verify that profile files named 
like {{$attempt-id.profile}} are indeed download by the JobClient when hprof(by 
default) is used.

> Using profilers other than hprof can cause JobClient to report job failure
> --------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1131
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1131
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>            Reporter: Aaron Kimball
>            Assignee: Aaron Kimball
>         Attachments: MAPREDUCE-1131.2.patch, MAPREDUCE-1131.3.patch, 
> MAPREDUCE-1131.4.patch, MAPREDUCE-1131.5.patch, MAPREDUCE-1131.patch
>
>
> If task profiling is enabled, the JobClient will download the {{profile.out}} 
> file created by the tasks under profile. If this causes an IOException, the 
> job is reported as a failure to the client, even though all the tasks 
> themselves may complete successfully. The expected result files are assumed 
> to be generated by hprof. Using the profiling system with other profilers 
> will cause job failure.

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