[root@245 ~]# mysql -u root -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or g.

Your MySQL connection id is 64

Server version: 5.7.27 MySQL Community Server (GPL)

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owners.

mysql> set global max_allowed_packet = 2*1024*1024*10

-> ;

Query OK, 0 rows affected (0.05 sec)

mysql>

mysql> show VARIABLES like '%max_allowed_packet%';

+--------------------------+------------+

| Variable_name            | Value      |

+--------------------------+------------+

| max_allowed_packet       | 4194304    |

| slave_max_allowed_packet | 1073741824 |

+--------------------------+------------+

2 rows in set (0.02 sec)

mysql>