Note
This parameter is available starting with V1.4.
Description
large_query_worker_percentage specifies the percentage of worker threads reserved for large queries.
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 | Double |
| Default value | 30 |
| 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 percentage of worker threads reserved for large queries to 30.
obclient> ALTER SYSTEM SET large_query_worker_percentage =30;