Note
This parameter is available starting with V2.2.30.
Description
disk_io_thread_count specifies the number of disk I/O threads. The value must be an even number.
Privilege requirements
Query the parameter
The
systenant and all user tenants can query the value of 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 | 8 |
| Value range | [2, 32] |
| 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 disk I/O thread count to 8.
obclient> ALTER SYSTEM SET disk_io_thread_count= 8;