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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1472) JobTracker.submitJob holds a lock on the JobTracker while copying job-conf from HDFS
Date Tue, 09 Feb 2010 23:39:28 GMT
JobTracker.submitJob holds a lock on the JobTracker while copying job-conf from HDFS
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                 Key: MAPREDUCE-1472
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1472
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: jobtracker
            Reporter: Arun C Murthy
            Assignee: Arun C Murthy
            Priority: Blocker


This could have very bad impact on responsiveness of the cluster.

JobTracker.submitJob also forks a DU and writes to it's local-disk.

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