#Supervision
2 notas · última:
Building Distributed Systems in Elixir: Part 5 — Supervisor From Scratch
The article builds a manual one-for-one supervisor in Elixir using links, trapped exits, and message passing to restart only a crashed worker while leaving a healthy sibling running.
Building Distributed Systems in Elixir: Part 4 — Process Linking
The article explains how `spawn_link/1` connects two BEAM processes so an abnormal exit in one can terminate the other, and how `Process.flag(:trap_exit, true)` turns that exit into a message.