[ASTERIXDB-3278] Add cache ratio to metrics

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.9.9
• Fix Version/s: 0.9.9
• Component/s: API - HTTP API, RT - Runtime
• Labels: triaged
• Assignee: Ian Maxon
• Reporter: Ian Maxon
• Created: 11/Oct/23 01:42
• Updated: 14/Jan/24 12:50
• Resolved: 20/Nov/23 01:34

Description

We have this in the profile, but it would be nice to have even when not profiling, as it's not very expensive to calculate.