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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-762) Task's process trees may not be killed if a TT is restarted
Date Wed, 15 Jul 2009 07:19:14 GMT
Task's process trees may not be killed if a TT is restarted
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                 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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