The biggest difference between Erlang and every other programming language out there is not in its concurrency, but rather in its fault tolerance. Almost everything in the language was designed for fault tolerance, and supervisors are one of the core parts of this design. In this chapter, we’ll cover the basics of supervision trees, what is in a supervisor, and how to structure supervision trees in your own system. When we’re done, you’ll be able to set up and manage most of the state y...
