Note
For V2.2.50, this parameter is available starting with V2.2.50.
Description
dtl_buffer_size specifies the cache size used by the SQL data transmission module.
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 | Capacity |
| Default value | 64K. The default unit is MB. You must specify the unit when you configure this parameter. |
| Value range | [4K, 2 M] |
| 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 cache size used by the SQL data transmission module to 64 KB.
obclient> ALTER SYSTEM SET dtl_buffer_size= '64K';
