So You Want To Be an Actor? Lessons From Implementing The Actor Model

It's been a few years since our system based on the actor model has been deployed in production. Like every software system, it's undergoing continuous changes. It is now running in a cluster, and we have redesigned its persistence layer.

Did we make the right choice with the actor model? (Spoiler: we did).
What was hard to achieve?
What would we have done differently today?
Come to this talk to learn from our experience.