RAID DistBlockFixer should limit pending jobs instead of pending files
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Key: MAPREDUCE-2320
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2320
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Ramkumar Vadali
Assignee: Ramkumar Vadali
Priority: Minor
DistBlockFixer limits the number of files being fixed simultaneously to avoid
an unlimited backlog. This limits the number of parallel jobs though, and if
one job has a long running task, it prevents newer jobs being started. Instead,
it should have a limit on running jobs. That way, one long running task will
not block other jobs.
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