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https://issues.apache.org/jira/browse/MAPREDUCE-1354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated MAPREDUCE-1354:
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Component/s: jobtracker
Priority: Critical (was: Major)
Assignee: Arun C Murthy
Issue Type: Bug (was: Improvement)
JobTracker.submitJob also forks a DU and writes to it's local-disk while
holding the lock.
> Refactor JobTracker.submitJob to not lock the JobTracker during the HDFS
> accesses
> ---------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1354
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1354
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Reporter: Devaraj Das
> Assignee: Arun C Murthy
> Priority: Critical
>
> 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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