Add documents for information_schema.tidb_index_usage and sys.schema_unused_index.
#27115
| Job | Run time |
|---|---|
| 1m 25s | |
| 47s | |
| 2m 22s | |
| 4m 34s |
information_schema.tidb_index_usage and sys.schema_unused_index.
#27115
| Job | Run time |
|---|---|
| 1m 25s | |
| 47s | |
| 2m 22s | |
| 4m 34s |