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.

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1. Diagnosing bugs in production with Elixir
   

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2. Who am I?
   

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4. /danielpilon
   /daniel-pilon
   /daniel_pilon
   

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5. I don't like to have bugs...
   

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6. ...but I love to solve them!
   

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7. It's a great opportunity to learn
   

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8. "If I don't use it, I lose it"
   

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9. Enjoy your bugs!
   

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10. Yet another memory leak story
    

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12. So, where do we start?
    

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14. Mix, Distillery and Elixir releases
    

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16. Going roots: :sys, :erlang and :dbg modules
    

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25. The Observer UI
    

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28. iex> :observer.start
    

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30. The Observer CLI
    

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32. iex> :observer_cli.start
    

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34. Recon
    

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44. Rexbug
    

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46. Wrapping up...
    

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47. Fulfill your toolbox!
    

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48. Explore! (ExProf, fprof, eflame etc)
    

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49. Enjoy your bugs!
    

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50. Thank you!
    

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