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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