[YARN-11306] Refactor NM#FederationInterceptor#recover Code

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: federation, nodemanager
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Shilun Fan
• Reporter: Shilun Fan
• Created: 16/Sep/22 23:47
• Updated: 27/Sep/22 01:18
• Resolved: 26/Sep/22 22:46

Description

Refactor NM#FederationInterceptor#recover Code

1.Enhance code readability
2.Add empty check
3.When an exception is encountered, completely destroy the data of SubCluster

Issue Links

• links to: GitHub Pull Request #4897