I train full body 3 times a week, just two sets per exercise and never go to failure, I've tried other ways and this is what works best for me. I also mix it up with cardio and
bodyweight exercises but this goes against the grain with accepted dogma
There's lots of different ways of training though. You could train each body part once a week and do more sets or do less sets and train more often. The rep scheme can also dictate your recovery time. Someone doing 5 X 5 will usually wait longer before doing the same exercise than someone doing 3 X 8 or 3 X 10
Why not read the max ot pdf, it's not my cup of tea but it explains everything clearly and lots of people enjoy it.