Apologies for the basic question, but if at the moment that Context.System.Shutdown() is called, is it possible to send additional messages to actors (and is that a problem?) and what happens to existing messages, are they just GC'ed?
@ASRagab it’s not possible to send additional messages at that point, since the entire system is shutting down
(this is rare in real systems, more common in our contrived examples)_
and for real systems there are more advanced techniques to preserve messages, including such things as the Akka.Persistence module for event sourcing. But we kept that out of bootcamp to keep it simple and focus on the core concepts.