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From "Cindy Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-5370) Rolling Restart Tasktrackers from JobTracker
Date Tue, 02 Jul 2013 21:03:20 GMT
Cindy Li created MAPREDUCE-5370:
-----------------------------------

             Summary: Rolling Restart Tasktrackers from JobTracker
                 Key: MAPREDUCE-5370
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5370
             Project: Hadoop Map/Reduce
          Issue Type: Task
            Reporter: Cindy Li
            Priority: Minor


For near real-time jobs running on hadoop, we want to minimize impact on them when rolling
restarting tasktrackers. The idea here is to restart tasktrackers from jobtracker and selectively
choose task trackers according to tasks' status on them to do rolling restart, such that the
impact on total job running time is minimum. 

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