Note
This parameter is available starting with V1.4.
Description
user_block_cache_priority specifies the priority of data block cache in the cache system.
Privilege requirements
Query the parameter
The
systenant and all user tenants can query the value of this parameter by executing theSHOW PARAMETERSstatement or querying 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 | 1 |
| Value range | [1, +∞) |
| 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 priority of data block cache in the cache system to 1.
obclient> ALTER SYSTEM SET user_block_cache_priority =1;