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https://issues.apache.org/jira/browse/YARN-2495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Naganarasimha G R updated YARN-2495:
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    Attachment: YARN-2495.20141024-1.patch

Hi [~wangda]
bq. Add a reject node labels list in NodeHeartbeatRequest – we may not have to 
handle this list for now. But we can keep it on the interface
??rmContext.getNodeLabelManager().replaceLabelsOnNode(labelUpdate);?? currently 
throws exception and hence felt that this message should be sent back to NM
instead of sending the invalid list (which requires interface changes in 
NodeLabelsManager). So I was thinking of propagating Exception's errorMsg to NM 
by makiing use of NodeHeartbeatResponse.DiagnosticsMessage. and will log this 
in NM
Have handled in this way please check the code ResourceTrackerService and 
NodeStatusUpdaterIMPL.(also contains other changes which you mentioned yest)


> Allow admin specify labels in each NM (Distributed configuration)
> -----------------------------------------------------------------
>
>                 Key: YARN-2495
>                 URL: https://issues.apache.org/jira/browse/YARN-2495
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Naganarasimha G R
>         Attachments: YARN-2495.20141023-1.patch, YARN-2495.20141024-1.patch, 
> YARN-2495_20141022.1.patch
>
>
> Target of this JIRA is to allow admin specify labels in each NM, this covers
> - User can set labels in each NM (by setting yarn-site.xml or using script 
> suggested by [~aw])
> - NM will send labels to RM via ResourceTracker API
> - RM will set labels in NodeLabelManager when NM register/update labels



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