[CASSANDRA-8341] Expose time spent in each thread pool

• Type: New Feature
• Status: Open
• Priority: Low
• Resolution: Unresolved
• Component/s: Legacy/Observability, Observability/Metrics
• Labels: metrics
• Assignee: Unassigned
• Reporter: Chris Lohfink
• Created: 19/Nov/14 16:36
• Updated: 16/Apr/19 09:31

Description

Can increment a counter with time spent in each queue. This can provide context on how much time is spent percentage wise in each stage. Additionally can be used with littles law in future if ever want to try to tune the size of the pools.

Issue Links

• is duplicated by: CASSANDRA-12027 Provide metrics for thread pool heap and CPU usage
• links to: GitHub Pull Request #200