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https://issues.apache.org/jira/browse/MAPREDUCE-5044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15295174#comment-15295174
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Hadoop QA commented on MAPREDUCE-5044:
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| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s
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| {color:red}-1{color} | {color:red} docker {color} | {color:red} 3m 16s
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| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12805487/MAPREDUCE-5044.010.patch
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| JIRA Issue | MAPREDUCE-5044 |
| Console output |
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6523/console |
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> Have AM trigger jstack on task attempts that timeout before killing them
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-5044
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5044
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mr-am
> Affects Versions: 2.1.0-beta
> Reporter: Jason Lowe
> Assignee: Gera Shegalov
> Attachments: MAPREDUCE-5044.008.patch, MAPREDUCE-5044.009.patch,
> MAPREDUCE-5044.010.patch, MAPREDUCE-5044.v01.patch, MAPREDUCE-5044.v02.patch,
> MAPREDUCE-5044.v03.patch, MAPREDUCE-5044.v04.patch, MAPREDUCE-5044.v05.patch,
> MAPREDUCE-5044.v06.patch, MAPREDUCE-5044.v07.local.patch, Screen Shot
> 2013-11-12 at 1.05.32 PM.png, Screen Shot 2013-11-12 at 1.06.04 PM.png
>
>
> When an AM expires a task attempt it would be nice if it triggered a jstack
> output via SIGQUIT before killing the task attempt. This would be invaluable
> for helping users debug their hung tasks, especially if they do not have
> shell access to the nodes.
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