ce50c4d826
`ADMIN DIAGNOSE TABLET tablet_id`
This statement makes it easier to quickly diagnose the status of a tablet.
See "ADMIN-DIAGNOSE-TABLET.md" for details
```
mysql> admin diagnose tablet 10196;
+----------------------------------+------------------------------+------------+
| Item | Info | Suggestion |
+----------------------------------+------------------------------+------------+
| TabletExist | Yes | |
| TabletId | 10196 | |
| Database | default_cluster:db1: 10192 | |
| Table | tbl1: 10194 | |
| Partition | tbl1: 10193 | |
| MaterializedIndex | tbl1: 10195 | |
| Replicas(ReplicaId -> BackendId) | {"10197":10002} | |
| ReplicasNum | OK | |
| ReplicaBackendStatus | Backend 10002 is not alive. | |
| ReplicaVersionStatus | OK | |
| ReplicaStatus | OK | |
| ReplicaCompactionStatus | OK | |
+----------------------------------+------------------------------+------------+
```
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