[
https://issues.apache.org/jira/browse/MAPREDUCE-1354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834354#action_12834354
]
Arun C Murthy commented on MAPREDUCE-1354:
------------------------------------------
Some discussion has been happening here: MAPREDUCE-1495. I'm going to merge
these issues since they affect the same code on similar lines.
> 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
> Attachments: MAPREDUCE-1354_yhadoop20.patch,
> MAPREDUCE-1354_yhadoop20.patch, MAPREDUCE-1354_yhadoop20.patch,
> MAPREDUCE-1354_yhadoop20.patch, MAPREDUCE-1354_yhadoop20.patch,
> MAPREDUCE-1354_yhadoop20.patch, MAPREDUCE-1354_yhadoop20.patch
>
>
> 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.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
