We run a MySQL database hosted by a 3rd-party provider. We don't have direct access to the database server machine - my only access is through a copy of MySQL Administrator running on my workstation here in the office. As it's a remote connection, it can't give me the server logs.
Looking at the Key Efficiency, I'm a bit concerned that the key buffer usage is constantly hovering around 70-80%, although the Connection usage rarely exceeds 15%.
We run quite a few websites off this one database instance, and I'm at a bit of a loss as to finding out where the inefficiencies lie.
Is there a way I can find out which queries / tables are getting hit the most, and therefore start optimising these first?