Note
This parameter is available starting with V2.2.50.
Description
sys_bkgd_migration_change_member_list_timeout specifies the timeout for changing the Paxos member list during a replica migration.
Privilege requirements
Query the parameter
You can query this parameter by using the
SHOW PARAMETERSstatement or theGV$OB_PARAMETERSview in thesystenant and all user tenants.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Time |
| Default value | 20s
NoteStarting from V4.0.0, the default value of this parameter is changed from 1h to 20s. |
| Value range | [0s, 24 h] |
| 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 timeout for changing the Paxos member list during a replica migration to 20s.
obclient> ALTER SYSTEM SET sys_bkgd_migration_change_member_list_timeout = '20s';