[YARN-11515] [Federation] Improve DefaultRequestInterceptor#init Code

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: federation, router
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Shilun Fan
• Reporter: Shilun Fan
• Created: 16/Jun/23 06:18
• Updated: 27/Nov/23 09:32
• Resolved: 12/Jul/23 01:48

Description

If we do not enable Federation mode, the YARN Router can also act as a proxy for the YARN ResourceManager. In this case, we can achieve this functionality by configuring the DefaultRequestInterceptor. While reading the code, I found that the Init code could be improved.

Issue Links

• links to: GitHub Pull Request #5752