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https://issues.apache.org/jira/browse/YARN-3326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14360155#comment-14360155
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Varun Vasudev commented on YARN-3326:
-------------------------------------

In general REST APIs are supposed to be about resources. "labelsToNodes" is not 
a resource. 
{quote}
"getNodeToLabels" to "/get-node-to-labels"
"replaceLabelsOnNodes" to "/replace-node-to-labels"
"getClusterNodeLabels" to "/get-node-labels"
"addToClusterNodeLabels " to "/add-node-labels"
"removeFromCluserNodeLabels" to "/remove-node-labels"
"getLabelsOnNode" to "/nodes/\{nodeId}/get-labels"
"replaceLabelsOnNodes" to "/replace-node-to-labels" ...
{quote}
are not about resources either but they're already in and by adding more APIs 
of that form we're making things worse.

> ReST support for getLabelsToNodes 
> ----------------------------------
>
>                 Key: YARN-3326
>                 URL: https://issues.apache.org/jira/browse/YARN-3326
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Naganarasimha G R
>            Assignee: Naganarasimha G R
>            Priority: Minor
>         Attachments: YARN-3326.20150310-1.patch
>
>
> REST to support to retrieve LabelsToNodes Mapping



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