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C:\ProgramData\MySQL\MySQL Server 5.7\my.ini
Error Code: 1153 - Got a packet bigger than 'max_allowed_packet' bytes
max_allowed_packet=500M
SHOW VARIABLES LIKE '%max_allowed_packet%';
mysql --help | grep my.cnf
cp /usr/share/mysql/my-huge.cnf /etc/my.cnf #拷贝配置文件(注意:如果/etc目录下面默认有一个my.cnf,直接覆盖即可)
systemctl stop mariadb.service
systemctl start mariadb.service
Error Code: 1153 - Got a packet bigger than 'max_allowed_packet' bytes