Note
This parameter is available starting with V1.4.
Description
migration_disable_time specifies the cooldown period during which new data migration operations are disabled after a data migration fails due to resource exceptions, such as disk space exhaustion.
Privilege requirements
Query the parameter
The
systenant and all user tenants can use theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview to query this parameter.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Time |
| Default value | 3600s |
| Value range | [1s, +∞) |
| 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 cooldown period during which new data migration operations are disabled after a data migration fails due to resource exceptions, such as disk space exhaustion, to 3600s.
obclient> ALTER SYSTEM SET migration_disable_time = 3600s;