Hopefully you abstracted as much of the database code as possible, so you can switch to (for example) MySQL without serious pain. This only gets tricky if you'r

Hopefully you abstracted as much of the database code as possible, so you can switch to (for example) MySQL without serious pain. This only gets tricky if you're using some of the more fancy features of Redis, like sorted sets, which are a bit more clunky to do in SQL.