Note
For V4.1.0, this parameter is available starting with V4.1.0.
Description
sql_net_thread_count specifies the number of I/O threads for the MySQL cluster, that is, the number of global_sql_nio_server threads.
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 | Int |
| Default value | 0 |
| Value range | [0, 64] |
| 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. |
Considerations
When the value of this parameter is 0, it is the same as the value of the net_thread_count parameter.
Examples
Set the number of global_sql_nio_server threads to 0.
obclient> ALTER SYSTEM SET sql_net_thread_count = 0;
References
Set the number of sql_nio_server threads: tenant_sql_net_thread_count