Ted Yu created YARN-3003:

             Summary: Provide API for client to retrieve label to node mapping
                 Key: YARN-3003
                 URL: https://issues.apache.org/jira/browse/YARN-3003
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Ted Yu
            Priority: Minor

Currently YarnClient#getNodeToLabels() returns the mapping from NodeId to set 
of labels associated with the node.

Client (such as Slider) may be interested in label to node mapping - given 
label, return the nodes with this label.

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