Note
This parameter is available starting with V1.4.
Description
enable_perf_event specifies whether to enable the performance event information collection feature.
Privilege requirements
Query the parameter
The
systenant and all user tenants can query this parameter by using theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Bool |
| Default value | True |
| Value range | |
| Modifiable | Yes. You can use the ALTER SYSTEM SET statement to modify the parameter. |
| Effective upon OBServer node restart | No. The setting takes effect immediately. |
Examples
Enable the performance event information collection feature.
obclient> ALTER SYSTEM SET enable_perf_event = True;