Improve the region health metrics
Open
type/enhancement
- Dominant language
- Go
- Stars
- 1.2k
- Forks
- 783
- Avg merge
- 5d 21h
- Merged PRs (30d)
- 36
Description
## Development Task
Some metrics may confuse users in region health. such as the empty region and learner peers(TiFlash).
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