[CASSANDRA-17062] Refactor structure of caching metrics and expose auth cache metrics via JMX

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 5.1
• Component/s: Feature/Virtual Tables, Observability/Metrics, Tool/nodetool
• Change Category: Operability
• Complexity: Normal
• Platform: All

Source Control Link

https://github.com/apache/cassandra/commit/64e2a4e9a3e209cc6153c0e348ba7f3d56a7016f

Test and Documentation Plan

The changes include new unit tests and documentation updates.

• Assignee: Stefan Miklosovic
• Reporter: Aleksei Zotov

Authors

Stefan Miklosovic

Reviewers

Maxim Muzafarov

• Created: 24/Oct/21 21:01
• Updated: 08/Feb/24 09:57
• Resolved: 08/Feb/24 09:56

Description

Unlike to other caches (row, key, counter), Auth Caches lack some monitoring capabilities. Here are a few particular changes to get this inequity fixed:

1. Add auth caches to system_views.caches VT
2. Expose auth caches metrics via JMX
3. Add auth caches details to nodetool info

 

Issue Links

• relates to: CASSANDRA-16914 Implement Virtual Tables for Auth Caches
• links to: GitHub Pull Request #1338
• links to: GitHub Pull Request #2710
• links to: GitHub Pull Request #3002