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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-831) A command for locking the JobTracker to stop receiving new job requests.
Date Fri, 15 Dec 2006 19:31:21 GMT
A command for locking the JobTracker to stop receiving new job requests.
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                 Key: HADOOP-831
                 URL: http://issues.apache.org/jira/browse/HADOOP-831
             Project: Hadoop
          Issue Type: New Feature
          Components: mapred
            Reporter: Koji Noguchi
            Priority: Minor


When I want to restart or upgrade the JobTracker, it'll be useful to have a feature to lock
the JobTracker so that it won't accept any more jobs.  This way, I can wait for the current
running jobs to finish and then safely restart the MR cluster.

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