Note
This parameter is available starting with V1.4.
Description
enable_sql_operator_dump specifies whether to allow intermediate results of SQL processing to be written to disk to release memory.
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 | Bool |
| Default value | True |
| Value range |
|
| Modifiable | Yes. You can use the ALTER SYSTEM SET statement to modify the parameter. |
| Effective upon OBServer node restart | No |
Examples
Set whether to allow intermediate results of SQL processing to be written to disk to release memory.
obclient> ALTER SYSTEM SET enable_sql_operator_dump = True;