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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4024) YARN RM should avoid resolving IP when NMs doing heartbeat
Date Thu, 06 Aug 2015 18:12:04 GMT
Wangda Tan created YARN-4024:
--------------------------------

             Summary: YARN RM should avoid resolving IP when NMs doing heartbeat
                 Key: YARN-4024
                 URL: https://issues.apache.org/jira/browse/YARN-4024
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Wangda Tan
            Assignee: Wangda Tan


Currently, YARN RM NodesListManager will resolve IP address every time when node doing heartbeat.
When DNS server becomes slow, NM heartbeat will be blocked and cannot make progress.



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