DDL: Refactor DDL related Grafana dashboards
Open
type/enhancement
- Dominant language
- Go
- Stars
- 40.5k
- Forks
- 6.2k
- PR merge metrics
- PR metrics pending
Description
## Enhancement
The goal is to make DDL-related dashboards clearer and easier to use by: consolidating and reorganizing existing DDL metrics to improve discoverability and usability; refactoring so all DDL metric logic resides in a dedicated package, reducing the risk of redundant metrics in future PRs; and cleaning up metric data when each DDL job completes to prevent memory growth and potential OOM during TiDB collection.
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