Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about programming within the scope defined in the help center. Closed 17 hours ago. This post was edited and submitted for review 3 hours ago. Improve this question Sometimes I see this problem in my wordpress website: "err_timed_out" and after refresh: "Error establishing a database connection" and and after refresh the page the site works well. I have this in my wp-config file: max_execution_time: 600 memory_limit: 512M