
复制mysql> show variables like ‘%max_connection%’; | Variable_name | Value | max_connections | 151 | mysql> setglobal max_connections=1;Query OK,没遇 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.


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