设置MYSQL最大连接数与WAIT_TIMEOUT

设置mysql最大连接数

mysql -u root -p
Enter password:

mysql> set GLOBAL max_connections=200;
Query OK, 0 rows affected (0.00 sec)

# vi /etc/my.cnf

[mysqld]
wait_timeout=60

mysql> show global variables like 'wait_time';
Empty set (0.00 sec)

mysql> show global variables like 'wait_timeout';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| wait_timeout  | 60    |
+---------------+-------+
1 row in set (0.00 sec)

service mysqld restart
Redirecting to /bin/systemctl restart  mysqld.service