Note
This parameter is available starting with V2.2.50.
Description
min_observer_version specifies the minimum application version of an OBServer node in the current 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 | 4.3.5.2 |
| 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 application version of an OBServer node in the current cluster to 4.2.5.3.
obclient> ALTER SYSTEM SET min_observer_version='4.2.5.3';