Note
This parameter is available starting with V1.4.
Description
server_balance_critical_disk_waterlevel specifies the threshold for disk space load balancing. When the disk usage exceeds the threshold, the load balancing strategy prioritizes disk balancing.
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 | Int |
| Default value | 80 |
| Value range | [0, 100] |
| 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 threshold for disk space load balancing to 80. When the disk usage exceeds 80%, the load balancing strategy prioritizes disk balancing.
obclient> ALTER SYSTEM SET server_balance_critical_disk_waterlevel = 80;