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https://issues.apache.org/jira/browse/YARN-2800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wangda Tan updated YARN-2800:
-----------------------------
    Attachment: YARN-2800-20141102-1.patch

Attached a patch printing WARN message in RM/RMAdminCLI side when 
MemoryRMNodeLabelsManager is enabled and admin trying to modify node labels.

> Should print WARN log in both RM/RMAdminCLI side when 
> MemoryRMNodeLabelsManager is enabled
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-2800
>                 URL: https://issues.apache.org/jira/browse/YARN-2800
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: client, resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-2800-20141102-1.patch
>
>
> Even though we have documented this, but it will be better to explicitly 
> print a message in both RM/RMAdminCLI side to explicitly say that the node 
> label being added will be lost across RM restart.



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