Note
For V4.0.0, this parameter is available starting with V4.0.0.
Description
log_disk_utilization_limit_threshold specifies the threshold of the tenant log disk utilization. When the log disk usage exceeds the total log disk space multiplied by this value, no log writes are allowed.
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
The
systenant and user tenants can modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Int |
| Default value | 95 |
| Value range | [80, 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. |
Considerations
The value of log_disk_utilization_limit_threshold should be greater than that of log_disk_utilization_threshold.
Examples
Set the threshold of the tenant log disk utilization to 95.
obclient> ALTER SYSTEM SET log_disk_utilization_limit_threshold=95;
References
For more information about logs, see Redo logs.