Hosting stateless apps is simple. If the underlying host fails? don't worry, just spin up a few new copies. Slap a load balancer infront and we can do a/b or bl

Hosting stateless apps is simple. If the underlying host fails? don't worry, just spin up a few new copies. Slap a load balancer infront and we can do a/b or blue green. Smashing. But where is that state held? maybe your lucky and your data can be hosted in a single RDS instance. Maybe your partition scheme is simple. However, managing distributed state is hard_.