Note
This view is available starting with V4.0.0.
Purpose
This view displays the memory usage of all tenants on all nodes in the cluster.
Columns
Column |
Type |
Nullable |
Description |
|---|---|---|---|
| TENANT_ID | bigint(20) | NO | The tenant ID. |
| SVR_IP | varchar(46) | NO | The IP address of the server. |
| SVR_PORT | bigint(20) | NO | The port number of the server. |
| HOLD | bigint(20) | NO | The amount of memory used by the tenant, in bytes. |
| FREE | bigint(21) | NO | The amount of memory available to the tenant, in bytes. |
Sample query
Query the memory usage of the tenant with ID 1002 on all nodes.
obclient [oceanbase]> SELECT * FROM oceanbase.GV$OB_TENANT_MEMORY WHERE TENANT_ID = 1002;
The query result is as follows:
+-----------+----------------+----------+------------+------------+
| TENANT_ID | SVR_IP | SVR_PORT | HOLD | FREE |
+-----------+----------------+----------+------------+------------+
| 1002 | 172.xx.xxx.xxx | 2882 | 718929920 | 4649779200 |
| 1002 | 172.xx.xxx.xxx | 2882 | 1165156352 | 4203552768 |
| 1002 | 172.xx.xxx.xxx | 2882 | 714735616 | 4653973504 |
+-----------+----------------+----------+------------+------------+
3 rows in set