doris

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Mingyu Chen ce50c4d826 [feature](diagnose) support "ADMIN DIAGNOSE TABLET" stmt (#8839 )

`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                           |            |
+----------------------------------+------------------------------+------------+
```

2022-04-07 11:30:03 +08:00

Account Management

[feature](user-property) Support user level exec_mem_limit and load_mem_limit (#8365 )

2022-03-11 17:20:09 +08:00

Administration

[feature](diagnose) support "ADMIN DIAGNOSE TABLET" stmt (#8839 )

2022-04-07 11:30:03 +08:00

Data Definition

[feature] Support pre-aggregation for quantile type (#8234 )

2022-03-24 09:11:34 +08:00

Data Manipulation

[doc] update export.md (#8650 )