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https://issues.apache.org/jira/browse/YARN-2919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14263584#comment-14263584
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Naganarasimha G R commented on YARN-2919:
-----------------------------------------
Hi [~kasha]
Can you please take a look @ my previous
[comment|https://issues.apache.org/jira/browse/YARN-2919?focusedCommentId=14258208&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14258208],
and if approach mentioned in it is not clear then would give a WIP patch, or
please inform if any other approach you have in your mind.
> Potential race between renew and cancel in DelegationTokenRenwer
> -----------------------------------------------------------------
>
> Key: YARN-2919
> URL: https://issues.apache.org/jira/browse/YARN-2919
> Project: Hadoop YARN
> Issue Type: Bug
> Components: security
> Affects Versions: 2.6.0
> Reporter: Karthik Kambatla
> Assignee: Naganarasimha G R
> Priority: Critical
> Attachments: YARN-2919.20141209-1.patch
>
>
> YARN-2874 fixes a deadlock in DelegationTokenRenewer, but there is still a
> race because of which a renewal in flight isn't interrupted by a cancel.
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