[jira] [Created] (YARN-4654) Yarn node label CLI should parse "=" correctly when trying to remove all labels on a node

[Wangda Tan (JIRA)]

Wangda Tan created YARN-4654:
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             Summary: Yarn node label CLI should parse "=" correctly when 
trying to remove all labels on a node
                 Key: YARN-4654
                 URL: https://issues.apache.org/jira/browse/YARN-4654
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Wangda Tan


Currently, when adding labels to nodes, user can run:
{{yarn rmadmin -replaceLabelsOnNode "host1=x host2=y"}}

However, when removing labels from a node, user has to run:
{{yarn rmadmin -replaceLabelsOnNode "host1 host2"}}
Instead of:
{{yarn rmadmin -replaceLabelsOnNode "host1= host2="}}

We should handle both of "=" exists/not-exists case when removing labels on a 
node.



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