max_allowed_packet specifies the maximum size in bytes of a network packet.
| Attribute | Description |
|---|---|
| Type | int |
| Default value | 4194304 |
| Value range | [1024, 1073741824] |
| Applicable scope | Global |
| Involved in serialization? | Yes |
| Modifiable? | You can use the SET GLOBAL statement to modify the global value of the variable. However, you cannot use the SET SESSION statement to modify a session value of the variable. Generally, this variable must be adjusted both in the client and the server. |