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https://issues.apache.org/jira/browse/MAPREDUCE-5465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe moved YARN-446 to MAPREDUCE-5465:
--------------------------------------------
Component/s: (was: client)
mrv2
mr-am
Affects Version/s: (was: 2.0.3-alpha)
2.0.3-alpha
Key: MAPREDUCE-5465 (was: YARN-446)
Project: Hadoop Map/Reduce (was: Hadoop YARN)
> Container killed before hprof dumps profile.out
> -----------------------------------------------
>
> Key: MAPREDUCE-5465
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5465
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mr-am, mrv2
> Affects Versions: 2.0.3-alpha
> Reporter: Radim Kolar
>
> If there is profiling enabled for mapper or reducer then hprof dumps
> profile.out at process exit. It is dumped after task signaled to AM that work
> is finished.
> AM kills container with finished work without waiting for hprof to finish
> dumps. If hprof is dumping larger outputs (such as with depth=4 while depth=3
> works) , it could not finish dump in time before being killed making entire
> dump unusable because cpu and heap stats are missing.
> There needs to be better delay before container is killed if profiling is
> enabled.
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