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 use theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview to query this parameter.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;