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https://issues.apache.org/jira/browse/YARN-1521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13935274#comment-13935274
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Zhijie Shen commented on YARN-1521:
-----------------------------------

Just a reminder, ApplicationClientProtocol has four more methods, whose 
idempotency needs to be verified as well:

1. getApplicationAttemptReport
2. getApplicationAttempts
3. getContainerReport
4. getContainers

> 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
>
> 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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