Refactor JobTracker.submitJob to not lock the JobTracker during the HDFS
accesses
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Key: MAPREDUCE-1354
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1354
Project: Hadoop Map/Reduce
Issue Type: Improvement
Reporter: Devaraj Das
It'd be nice to have the JobTracker object not be locked while accessing the
HDFS for reading the jobconf file and while writing the jobinfo file in the
submitJob method. We should see if we can avoid taking the lock altogether.
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