Note
This parameter is available starting with V2.2.77.
Description
tcp_keepidle specifies the threshold for triggering keepalive probes on an idle TCP connection.
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 |
|---|---|
| Parameter type | Time |
| Default value | 7200s |
| 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 threshold for triggering keepalive probes on an idle TCP connection to 7200s.
obclient> ALTER SYSTEM SET tcp_keepidle = '7200s';