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https://issues.apache.org/jira/browse/MAPREDUCE-4894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13538338#comment-13538338
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Siddharth Seth commented on MAPREDUCE-4894:
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A launcher which submits jobs using delegation tokens (since it doesn't have
kerberos credentials) may need to pull job details after the job completes.
That would require the history server delegation tokens. I believe the Oozie
launcher works like this for certain Oozie action types.
> 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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