How to solve database problem in ISPManager?

Question

MySQL

Good morning. Yesterday there was such a problem.
The site showed an error
"Ошибка подключения к базе данных"
. They sinned that the progers had done something in the config settings, it turned out that ISPManager gives an error when entering the database.

"Не удалось подключиться к базе данных Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) "

BUT! If you restart VDS or ISPManager, then everything is fine, but only until the night, and then it happens again.
Who knows how to solve the problem? Help me please.

Answer 1

what about in the logs? it is very similar, that the muscle dies at night.

Answer 2

Yes, someone is laying down MYSQL at night. As an option, a heavy task is launched at night, which crashes mysql. I think that the logs will tell you what the trouble is.