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OceanBase DatabaseThis parameter was introduced in OceanBase Database V1.4.
min_observer_version specifies the earliest OBServer version in the cluster.
| Attribute | Description |
|---|---|
| Type | Integer |
| Default value | 4.3.0.1 |
| Value range | NULL |
| Modifiable | Yes. You can use the ALTER SYSTEM SET statement to modify the parameter. |
| Effective upon OBServer node restart | No |
obclient> ALTER SYSTEM SET min_observer_version='4.2.1.2';