求救！

Discuz! Database Error
(0) notconnect
PHP Debug

No.        File        Line        Code
1        admin.php        26        discuz_application->init()
2        source/class/discuz/discuz_application.php        65        discuz_application->_init_db()
3        source/class/discuz/discuz_application.php        405        discuz_database::init(%s, Array)
4        source/class/discuz/discuz_database.php        23        db_driver_mysqli->connect()
5        source/class/db/db_driver_mysqli.php        74        db_driver_mysqli->_dbconnect(%s, %s, %s, %s, %s, %s)
6        source/class/db/db_driver_mysqli.php        84        db_driver_mysqli->halt(%s, %d)
7        source/class/db/db_driver_mysqli.php        223        break()

你看一下mysql连接数，估计是超了，然后就连不上了；
大量sleep进程会占用连接数，把wait_timeout改小一点

https://www.baidu.com/s?ie=UTF-8&wd=wait_timeout

重启mysql

数据库连不上