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https://issues.apache.org/jira/browse/YARN-1521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13948457#comment-13948457
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Bikas Saha commented on YARN-1521:
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OK. So we are requiring the moveAppAcrossQueues API to be idempotent? How can 
that be done without ignoring an illegal move of an app from a queue in which 
the app does not exist? Is that correct behavior?

Any response to the second comment above about returning a new 
SubmitApplicationResponse instead of the original response for the original 
request. What if there are member values in SubmitApplicationResponse (there 
aren't any right now).


> Mark appropriate protocol methods with the idempotent annotation or 
> AtMostOnce annotation
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-1521
>                 URL: https://issues.apache.org/jira/browse/YARN-1521
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>            Priority: Blocker
>             Fix For: 2.4.0
>
>         Attachments: YARN-1521.0.patch, YARN-1521.1.patch, YARN-1521.2.patch, 
> YARN-1521.3.patch
>
>
> After YARN-1028, we add the automatically failover into RMProxy. This JIRA is 
> to identify whether we need to add idempotent annotation and which methods 
> can be marked as idempotent.



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