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https://issues.apache.org/jira/browse/YARN-7263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yufei Gu reassigned YARN-7263:
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Assignee: (was: Yufei Gu)
> 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
> Priority: Major
>
> According to YARN-7207, 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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