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https://issues.apache.org/jira/browse/MAPREDUCE-4894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13537454#comment-13537454
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Siddharth Seth commented on MAPREDUCE-4894:
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Cancelling the MR side of the patch .... doesn't really make sense to cancel
JobHistory tokens when the job completes, since that's exactly when they're
required.
Couple of options for the short term.
1) we could have the RM renew tokens but not cancel them. This still has MR
classpath dependency.
2) have the history server issue tokens for a longer period, same as the
max-age.
The second option seems better.
> Renewal / cancellation of JobHistory tokens
> -------------------------------------------
>
> Key: MAPREDUCE-4894
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4894
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver, mrv2
> Affects Versions: 0.23.4
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Blocker
> Attachments: MAPREDUCE-4894_wip.txt, MR-4894.txt
>
>
> Equivalent of YARN-50 for JobHistory tokens.
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