[YARN-11370] Refactor MemoryFederationStateStore code.

• Type: Improvement
• Status: Resolved
• Priority: Major
• 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: 09/Nov/22 05:41
• Updated: 22/Feb/23 23:54
• Resolved: 22/Feb/23 20:38

Description

1. Fix CheckStyle.
2. Increase Metrics.
3. applications store the ApplicationHomeSubCluster object.

Issue Links

• links to: GitHub Pull Request #5126