[ch4s3]

> Stateful servers seems like an atrocious point of failure nowadays (except if it's a DB server, or a persistent queue)

I think that's the perception, but it isn't necessarily true. I work on an Elixir team that quite successfully runs a stateful server. The service is pretty stable and the stateful portion is never the source of problems. That's one anecdote, but if you look at servers for online games, they're often quite stateful and work rather well.