MIT 6.824 Distributed Systems by Robert Morris - https://www.youtube.com/watch?v=cQP8WApzIQQ&list=PLrw6a1wE39...
His opening lectures always have a surprise in them
https://www.youtube.com/watch?v=oeYBdghaIjc https://www.youtube.com/watch?v=m72mt4VN9ik
Just looking at the playlist, I'm surprised at how many lectures are focused around actual distributed databases versus purely on theory or algorithms
MIT 6.824 Distributed Systems by Robert Morris - https://www.youtube.com/watch?v=cQP8WApzIQQ&list=PLrw6a1wE39...