Note
For V4.2.1 BP2, this parameter is available starting with V4.2.1 BP2.
Description
backup_data_file_size specifies the maximum size of a single data backup file.
Privilege requirements
Query the parameter
systenant and all user tenants can use theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview to query this parameter.Modify the parameter
systenant and user tenants can modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Capacity |
| Default value | 4G. The unit must be specified when you configure this parameter. The default unit is MB. |
| Value range | [512M,4G] |
| 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 maximum size of a single data backup file to 4G.
obclient> ALTER SYSTEM SET backup_data_file_size ='4G';