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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1365) ApplicationMasterService to allow Register and Unregister of an app that was running before restart
Date Fri, 23 May 2014 23:42:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-1365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14007889#comment-14007889
] 

Vinod Kumar Vavilapalli commented on YARN-1365:
-----------------------------------------------

Can we please consolidate YARN-1366 and YARN-1365 into one JIRA?

> ApplicationMasterService to allow Register and Unregister of an app that was running
before restart
> ---------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1365
>                 URL: https://issues.apache.org/jira/browse/YARN-1365
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Bikas Saha
>            Assignee: Anubhav Dhoot
>         Attachments: YARN-1365.001.patch, YARN-1365.002.patch, YARN-1365.003.patch, YARN-1365.initial.patch
>
>
> For an application that was running before restart, the ApplicationMasterService currently
throws an exception when the app tries to make the initial register or final unregister call.
These should succeed and the RMApp state machine should transition to completed like normal.
Unregistration should succeed for an app that the RM considers complete since the RM may have
died after saving completion in the store but before notifying the AM that the AM is free
to exit.



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