[YARN-7263] Check host name resolution performance when resource manager starts up

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.1.0
• Component/s: resourcemanager
• Target Version/s: 3.5.0
• Assignee: Unassigned
• Reporter: Yufei Gu
• Created: 27/Sep/17 21:48
• Updated: 04/Jan/24 08:46

Description

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.

Issue Links

• relates to: YARN-7207 Cache the RM proxy server address