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
You can use the
SHOW PARAMETERSstatement or query theGV$OB_PARAMETERSview to query this parameter in thesystenant and all user tenants.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;