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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-248) Restore RMDelegationTokenSecretManager state on restart
Date Wed, 28 Nov 2012 20:23:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505867#comment-13505867
] 

Alejandro Abdelnur commented on YARN-248:
-----------------------------------------

#ii seems simpler to achieve, it would only require:

* persisting the secret keys when they are generated
* load already persisted app credentials of apps to recover on startup

right?
                
> Restore RMDelegationTokenSecretManager state on restart
> -------------------------------------------------------
>
>                 Key: YARN-248
>                 URL: https://issues.apache.org/jira/browse/YARN-248
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Tom White
>
> On restart, the RM creates a new RMDelegationTokenSecretManager with fresh state. This
will cause problems for Oozie jobs running on secure clusters since the delegation tokens
stored in the job credentials (used by the Oozie launcher job to submit a job to the RM) will
not be recognized by the RM, and recovery will fail.

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