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From "Hitesh Shah (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3891) NM should handle cleaning up containers when it shuts down ( and kill containers from an earlier instance when it comes back up after an unclean shutdown )
Date Wed, 22 Feb 2012 02:10:49 GMT
NM should handle cleaning up containers when it shuts down ( and kill containers from an earlier
instance when it comes back up after an unclean shutdown )
-----------------------------------------------------------------------------------------------------------------------------------------------------------

                 Key: MAPREDUCE-3891
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3891
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2, nodemanager
    Affects Versions: 0.23.0
            Reporter: Hitesh Shah


Ideally, the NM should wait for a limited amount of time when it gets a shutdown signal for
existing containers to complete and kill the containers ( if we pick an aggressive approach
) after this time interval. 

For NMs which come up after an unclean shutdown, the NM should look through its directories
for existing container.pids and try and kill an existing containers matching the pids found.


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