MariaDB Tips & Tricks: Where does my configuration variable value come from?

As you may already know, there are many places where a MariaDB system variable can get its value. It can come from: And when several configuration files are involved, finding the effective source is not always obvious. Fortunately, MariaDB provides this information in INFORMATION_SCHEMA.SYSTEM_VARIABLES. Let’s check this in action with max_connections. Checking the current value […]