mysql 链接数
show status;
Threads_cached | 0 |
| Threads_connected | 1 | //正在连接的连接数
| Threads_created | 3 | //已经创建过的连接数
| Threads_running | 1 | //正在运行的连接数
| Uptime | 22947 |
show variables;
| max_connections | 16384 //允许的最大连接数
show processlist;
select concat('KILL ',id,';') from information_schema.processlist ;