[YARN-8213] Add Capacity Scheduler performance metrics

• Type: Improvement
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 3.2.0, 3.1.1, 2.10.1
• Component/s: capacityscheduler, metrics
• Target Version/s: 3.1.1
• Hadoop Flags: Reviewed
• Assignee: Weiwei Yang
• Reporter: Weiwei Yang
• Created: 26/Apr/18 06:17
• Updated: 27/Mar/20 23:13
• Resolved: 27/Mar/20 23:13

Description

Currently when tune CS performance, it is not that straightforward because lacking of metrics. Right now we only have QueueMetrics which mostly only tracks queue level resource counters. Propose to add CS metrics to collect and display more fine-grained perf metrics.