Diagnosing bugs in production with Elixir

In this talk some useful tools to debug applications written in Elixir in production are shown, specially for memory leak and tracing cases, exemplified via a simple GenServer, that is myself.

Transcript

1. Diagnosing bugs in production with Elixir
2. Who am I?
4. /danielpilon /daniel-pilon /daniel_pilon
5. I don't like to have bugs...
6. ...but I love to solve them!
7. It's a great opportunity to learn
8. "If I don't use it, I lose it"
9. Enjoy your bugs!
10. Yet another memory leak story
12. So, where do we start?
14. Mix, Distillery and Elixir releases
16. Going roots: :sys, :erlang and :dbg modules
25. The Observer UI
28. iex> :observer.start
30. The Observer CLI
32. iex> :observer_cli.start
34. Recon
44. Rexbug
46. Wrapping up...
47. Fulfill your toolbox!
48. Explore! (ExProf, fprof, eflame etc)
49. Enjoy your bugs!
50. Thank you!