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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3132) RMNodeLabelsManager should remove node from node-to-label mapping when node becomes deactivated
Date Wed, 04 Feb 2015 00:29:35 GMT
Wangda Tan created YARN-3132:
--------------------------------

             Summary: RMNodeLabelsManager should remove node from node-to-label mapping when
node becomes deactivated
                 Key: YARN-3132
                 URL: https://issues.apache.org/jira/browse/YARN-3132
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Wangda Tan
            Assignee: Wangda Tan


Using an example to explain:
1) Admin specify host1 has label=x
2) node=host1:123 registered
3) Get node-to-label mapping, return host1/host1:123
4) node=host1:123 unregistered
5) Get node-to-label mapping, still returns host1:123

Probably we should remove host1:123 when it becomes deactivated and no directly label assigned
to it (directly assign means admin specify host1:123 has x instead of host1 has 123).



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