Function-as-a-Service serverless offerings are advertised as the way to build event-driven applications in days or hours, and then scale them up to millions of users – all for several dollars a month. But how does that work in today’s cloud? What do we know about the internals of FaaS implementations? Is scalability a solved problem? Join Mikhail on a journey into the depths of how serverless scalability works, what’s common and what’s different across cloud providers, and why you should care.