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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-762) Task's process trees may not be killed if a TT is restarted
Date Wed, 23 Jul 2014 19:45:40 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved MAPREDUCE-762.
----------------------------------------

    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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