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Posted to yarn-issues@hadoop.apache.org by "Naganarasimha G R (JIRA)" <ji...@apache.org> on 2014/12/09 18:22:13 UTC

[jira] [Updated] (YARN-2919) Potential race between renew and cancel in DelegationTokenRenwer

     [ https://issues.apache.org/jira/browse/YARN-2919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Naganarasimha G R updated YARN-2919:
------------------------------------
    Attachment: YARN-2919.20141209-1.patch

Hi [~kasha] & [~seth.siddharth@gmail.com]
Based on my understanding from the comments, i have uploaded the initial patch please review and confirm whether is this the approach you guys had in 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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