planner: add the plan-cache miss reason to the metrics
Open
epic/plan-cache
sig/planner
type/enhancement
- Dominant language
- Go
- Stars
- 40.5k
- Forks
- 6.2k
- PR merge metrics
- PR metrics pending
Description
## Enhancement
From the metrics above, there are some cache misses, but we cannot know the reason.
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Assessment
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