[HADOOP-13507] export s3a BlockingThreadPoolExecutorService pool info (size, load) as gauges

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: 2.8.0
• Component/s: fs/s3
• Target Version/s: 3.4.0
• Assignee: Unassigned
• Reporter: Steve Loughran
• Created: 17/Aug/16 17:43
• Updated: 04/Mar/21 17:42
• Resolved: 04/Mar/21 17:42

Description

We should publish load info on BlockingThreadPoolExecutorService as s3a metrics: size, available, maybe even some timer info on load (at least: rate of recent semaphore acquire/release)