Description
The vector_index_optimization_concurrency parameter specifies the number of threads for executing automatic partition rebuild tasks for vector indexes.
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
The
systenant and user tenants can modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | string |
| Default value | 2 |
| Value range | [1, 256] |
| Modifiable | Yes. You can use the ALTER SYSTEM SET statement to modify the parameter. |
| Effective upon OBServer node restart | No |
Examples
Set the number of threads for executing a single automatic partition rebuild task for vector indexes to 8.
obclient> ALTER SYSTEM SET vector_index_optimization_concurrency = 8;