> Scale vertically and you're still a single point of failure away from a big, potentially fatal outage. The coding and architecture can often be trivial though

> Scale vertically and you're still a single point of failure away from a big, potentially fatal outage. The coding and architecture can often be trivial though. Definitely good for internal systems and more green programmers. Setting up something like a read replica on RDS (or frankly even a DB you manage yourself is pretty trivial, especially if you're using it solely for availability and not actually reading from it.