Note
For V2.2.50, this parameter is available starting with V2.2.50.
Description
min_observer_version specifies the minimum version of the OBServer node application in the cluster.
Privilege requirements
Query the parameter
The
systenant and all user tenants can use theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview to query this parameter.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Int |
| Default value | 4.4.2.0 |
| 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 minimum version of the OBServer node application in the cluster to 4.4.2.0.
obclient> ALTER SYSTEM SET min_observer_version='4.4.2.0';