mickael:~$ mysql -uroot
mysql> SHOW GLOBAL VARIABLES like 'max_allowed_packet';
+--------------------+---------+
| Variable_name | Value |
+--------------------+---------+
| max_allowed_packet | 1047552 |
+--------------------+---------+
1 row in set (0,01 sec)
mysql> exit
mickael:~$ mysql --max_allowed_packet=512M -uroot
mysql> exit
mickael:~$ mysql --set-variable=max_allowed_packet=512M -uroot
mysql> exit
mickael:~$ sudo /etc/init.d/mysql.server restart
Shutting down MySQL...
Starting MySQL.
mickael:~$ mysql -uroot
mysql> SHOW GLOBAL VARIABLES like 'max_allowed_packet';
+--------------------+---------+
| Variable_name | Value |
+--------------------+---------+
| max_allowed_packet | 1047552 |
+--------------------+---------+
1 row in set (0,01 sec)
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