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https://issues.apache.org/jira/browse/MAPREDUCE-762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved MAPREDUCE-762.
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Resolution: Incomplete
Closing this as stale.
> Task's process trees may not be killed if a TT is restarted
> -----------------------------------------------------------
>
> Key: MAPREDUCE-762
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-762
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Hemanth Yamijala
>
> Some work has been done to make sure the tasktrackers kill process trees of
> tasks when they finish (either successfully, or with failures or when they
> are killed). Related JIRAs are HADOOP-2721, HADOOP-5488 and HADOOP-5420. But
> when TTs are restarted, we do not handle killing of process trees - though
> tasks will themselves die on re-establishing contact with the TT.
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