Note
This parameter is available starting with V4.2.5 BP2 Hotfix1.
Overview
utl_file_open_max specifies the maximum number of UTL_FILE files that can be opened simultaneously on a single node in Oracle-compatible mode.
Applicability
This parameter takes effect only in Oracle-compatible mode of OceanBase Database.
Privilege requirements
Query the parameter
Both the
systenant and all user tenants can query this parameter using theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify it.
Attributes
Attribute |
Description |
|---|---|
| Parameter type | Int |
| Default value | 50 |
| Value range | [50, 600] |
| Modifiable | Yes. You can modify it by using the ALTER SYSTEM SET statement. |
| Whether to Restart the OBServer Node for the Change to Take Effect | No, the setting takes effect immediately. |
Configuration example
Run the following command to set the maximum number of UTL_FILE files that can be opened simultaneously by a single node in Oracle-compatible mode to 60.
obclient> ALTER SYSTEM SET utl_file_open_max=60;