Note
This variable was introduced in OceanBase Database V3.2.3.
Description
max_allowed_packet specifies the maximum size of a network packet.
Attributes
| Attribute | Description |
|---|---|
| Type | Integer |
| Default value | 16777216, in bytes
NoteThe default value has been changed from |
| Value range | [1024, 1073741824] |
| Effective scope |
|
| Modifiable | Yes. You can use the SET GLOBAL statement to modify the variable. |
Considerations
- You can use the
SET GLOBALstatement to modify the global value of the variable. However, you cannot use theSET SESSIONstatement to modify a session value of the variable. - You can only view the session value. The session value must be the same as the global value.
- This variable must be modified on both the client and the OBServer node. If the values on the client and the OBServer node are inconsistent, the following error is returned:
ERROR 1153 (08S01): Got a packet bigger than \'max_allowed_packet\' bytes".
Example
obclient> SET GLOBAL max_allowed_packet=4194304;
