[YARN-10502] Add backlogs metric for CapacityScheduler

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Pending Closed
• Component/s: capacity scheduler, capacityscheduler, metrics
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Assignee: Wanqiang Ji
• Reporter: Wanqiang Ji
• Created: 27/Nov/20 09:32
• Updated: 13/Jul/23 03:00
• Resolved: 13/Jul/23 03:00

Description

We need the backlogs metric to track the scheduling performance.

Issue Links

• links to: GitHub Pull Request #2496