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Posted to yarn-issues@hadoop.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2013/09/19 00:56:53 UTC

[jira] [Commented] (YARN-1214) Register ClientToken MasterKey in SecretManager after it is saved

    [ https://issues.apache.org/jira/browse/YARN-1214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13771353#comment-13771353 ] 

Bikas Saha commented on YARN-1214:
----------------------------------

We can probably return a client token in getApplicationReport after the app is saved. So RMAppAttemtptImpl.getClientToken() and other methods like it should return null until app has been saved. This might be simpler.
                
> Register ClientToken MasterKey in SecretManager after it is saved
> -----------------------------------------------------------------
>
>                 Key: YARN-1214
>                 URL: https://issues.apache.org/jira/browse/YARN-1214
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Jian He
>
> Currently, app attempt ClientToken master key is registered before it is saved. This can cause problem that before the master key is saved, client gets the token and RM also crashes, RM cannot reloads the master key back after it restarts as it is not saved. As a result, client is holding an invalid token.
> We can register the client token master key after it is saved in the store.

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