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Posted to yarn-dev@hadoop.apache.org by "Yufei Gu (JIRA)" <ji...@apache.org> on 2017/09/27 21:49:00 UTC

[jira] [Created] (YARN-7263) Check host name resolution performance when resource manager starts up

Yufei Gu created YARN-7263:
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             Summary: Check host name resolution performance when resource manager starts up
                 Key: YARN-7263
                 URL: https://issues.apache.org/jira/browse/YARN-7263
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: resourcemanager
    Affects Versions: 3.1.0
            Reporter: Yufei Gu
            Assignee: Yufei Gu


Host name resolution could be slow in some environment, which affects RM performance in different ways. It would be nice to check that when RM starts up and place a warning message into the logs if the performance is not ideal. 



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