Note
This parameter is available starting with V1.4.
Description
schema_history_recycle_interval specifies the time interval for the system to execute the schema multi-version record recycling task.
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 | Time |
| Default value | 10m, which indicates 10 minutes |
| Value range | [0s, +∞)
Note
|
| 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
Set the time interval for the system to execute the schema multi-version record recycling task to 10m.
obclient> ALTER SYSTEM SET schema_history_recycle_interval = '10m';