 复制mysql> show variables like%max_connection%; | Variable_name | Value | max_connections | 151 | mysql> setglobal max_connections=1;Query OK,十宗罪 0 rows affected (0.00 sec) [root@node4 ~]# mysql -uzs -p123456 -h 192.168.56.132 ERROR 1040 (00000): Too many connections 1.2.3.4.5.6.7.8.9.10.11. |