If a problem occurs twice, it is worth studying. The last time the customer said that the MYSQL database was slow, I was still thinking, isn't it a PHP problem? I don't know how to solve it. so I installed MYSQL on the server where his space is located to solve the problem. today I have another problem. I can't install a MYSQL on this server, search:
PHP remote connection to MYSQL is slow. sometimes it takes 4-20 seconds to remotely connect to MYSQL, and the local connection to MYSQL is normal. the main cause of this problem is that the reverse DNS resolution is enabled for MYSQL installed by default, in my. ini (in WINDOWS) or MY. add the skip-name-resolve statement to the [mysqld] of the CNF (UNIX or LINUX) file and save it.
Start -- run -- cmd -- net stop mysql -- net start mysql -- haha, success
Path of my. ini: D: \ Program Files \ MySQL Server 5.0 \ my. ini
It turned out to be a problem with MySQL. after this operation, the host name cannot be used in the MySQL authorization table, but only the ip address can be used.
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