mysql5.7 數據導入報 Error Code: 2006 - MySQL 服務器已離線錯誤

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 #拷貝配置文件（注意：如果/etc目錄下面默認有一個my.cnf，直接覆蓋即可）

systemctl stop mariadb.service


systemctl start mariadb.service

Error Code: 1153 - Got a packet bigger than 'max_allowed_packet' bytes