Note
This variable is available starting with V1.4.
Description
net_write_timeout specifies the number of seconds to wait for a block write connection before interrupting the write operation.
Privilege requirements
Query variables
Global level
The
systenant and all user tenants can execute theSHOW VARIABLESstatement or query theSYS.TENANT_VIRTUAL_GLOBAL_VARIABLEview (Oracle mode) or theinformation_schema.GLOBAL_VARIABLESview (MySQL mode) to obtain the value of a global system variable.Session level
The
systenant and all user tenants can execute theSHOW VARIABLESstatement or query theSYS.TENANT_VIRTUAL_SESSION_VARIABLEview (Oracle mode) or theinformation_schema.SESSION_VARIABLESview (MySQL mode) to obtain the value of a session system variable.
Modify variables
Global level
The
systenant can modify the value of a global system variable.A MySQL user tenant must have the
SUPERorALTER SYSTEMprivilege to modify the value of a global system variable.An Oracle user tenant must have the
ALTER SYSTEMprivilege to modify the value of a global system variable.
Session level
The
systenant and all user tenants can modify the value of a session system variable.
Attributes
| Attribute | Description |
|---|---|
| Type | Int |
| Default value | 60 |
| Value range | [1, 31536000] |
| Scope |
|
| Modifiable | Yes. You can execute the SET statement to modify the value. |
Usage
When the server writes data to a client, net_write_timeout specifies the number of seconds to wait for a block write connection before interrupting the write operation.
Examples
Set the number of seconds to wait for a block write connection before interrupting the write operation to 60.
Global level
obclient> SET GLOBAL net_write_timeout=60;Session level
obclient> SET net_write_timeout=60;