Resolve MySQL database hangs off

Problem: MySQL run after a few days to hang up, modify the number of MySQL connection can not solve, see the code is not a problem, but it is to feel which function has been the MySQL resources, check the current thread state

Time is the unit of seconds, you can see, a lot of threads have taken up for a long time, it can only find a way to the long-connected line Cheng Gan off

How to resolve:

Vi/etc/my.cnf
[Mysqld]
wait_timeout=10
#/etc/init.d/mysql Restart

I've been watching for a while, feeling better.

Resolve MySQL database hangs off