This is another of my book walk through series. This time I am working on Designing for Scalability with Erlang/OTP.
This is the book that goes into detail about OTP in general.
Chapter 2 : Introducing Erlang
https://github.com/chriseyre2000/scalability_ex (edc0862)
The above is a repo with commit hash of where I have currently got to.
So far we have some basic recursion and some manual send/receive logic.
We have now seen the first use of ets – Erlang Term Storage a simple persistence layer.
Developer Rants 