Note
This view is introduced since OceanBase Database V1.4.
Purpose
This view displays statistics information on all OBServer nodes for each tenant.
Where:
STATISTIC#: the statistics item number, which may vary in different OBServer node versions.STAT_ID: the statistics item ID, which remains consistent in different OBServer node versions.
Note
To query this view, you must enable monitoring by setting the enable_perf_event parameter to True.
Columns
Column |
Type |
Nullable? |
Description |
|---|---|---|---|
| CON_ID | bigint(20) | NO | Tenant ID |
| SVR_IP | varchar(46) | NO | IP address of the server where the information resides |
| SVR_PORT | bigint(20) | NO | Port number of the server where the information resides |
| STATISTIC# | bigint(20) | NO | Index of the statistics |
| NAME | varchar(64) | NO | Name of the statistics |
| CLASS | bigint(20) | NO | Type of the statistics |
| VALUE | bigint(20) | NO | Result value of the statistics |
| VALUE_TYPE | varchar(16) | NO | Statistics value type: |
| STAT_ID | bigint(20) | NO | ID of the statistics |
Sample query
In the sys tenant, query the statistics of all tenants on all nodes and display the first 10 records.
obclient [oceanbase]> SELECT * FROM oceanbase.GV$SYSSTAT LIMIT 10;
The query result is as follows:
+--------+----------------+----------+------------+-----------------------+-------+-------------+------------+---------+
| CON_ID | SVR_IP | SVR_PORT | STATISTIC# | NAME | CLASS | VALUE | VALUE_TYPE | STAT_ID |
+--------+----------------+----------+------------+-----------------------+-------+-------------+------------+---------+
| 1 | 11.xxx.xxx.xxx | 28825 | 0 | rpc packet in | 1 | 60000651 | ADD_VALUE | 10000 |
| 1 | 11.xxx.xxx.xxx | 28825 | 1 | rpc packet in bytes | 1 | 14857436223 | ADD_VALUE | 10001 |
| 1 | 11.xxx.xxx.xxx | 28825 | 2 | rpc packet out | 1 | 13331823 | ADD_VALUE | 10002 |
| 1 | 11.xxx.xxx.xxx | 28825 | 3 | rpc packet out bytes | 1 | 4602803985 | ADD_VALUE | 10003 |
| 1 | 11.xxx.xxx.xxx | 28825 | 4 | rpc deliver fail | 1 | 0 | ADD_VALUE | 10004 |
| 1 | 11.xxx.xxx.xxx | 28825 | 5 | rpc net delay | 1 | 465112463 | ADD_VALUE | 10005 |
| 1 | 11.xxx.xxx.xxx | 28825 | 6 | rpc net frame delay | 1 | 1564592 | ADD_VALUE | 10006 |
| 1 | 11.xxx.xxx.xxx | 28825 | 7 | mysql packet in | 1 | 530 | ADD_VALUE | 10007 |
| 1 | 11.xxx.xxx.xxx | 28825 | 8 | mysql packet in bytes | 1 | 63960 | ADD_VALUE | 10008 |
| 1 | 11.xxx.xxx.xxx | 28825 | 9 | mysql packet out | 1 | 1223369 | ADD_VALUE | 10009 |
+--------+----------------+----------+------------+-----------------------+-------+-------------+------------+---------+
10 rows in set
References
View session-level statistics:
View the definitions of all statistics of a tenant: V$STATNAME
For more information about statistics, see Common statistical events.