What's Special About Elixir
- 1. What's special about Elixir? @sasajuric aircloak.com
- 3. LFEErlang OTP BEAM Elixir Phoenix GenStage EctoPlug magic source magic beneficiaries Cowboy Poolboy
- 4. long-running system many tasks soft real-time finite time program all-or-nothing hard real-time
- 5. scheduler scheduler scheduler scheduler BEAM CPU CPU CPU CPU
- 6. demo
- 7. scheduler p1 p2 p3 scheduler p10 p11 p12 scheduler p4 p5 p6 scheduler p7 p8 p9
- 8. p1 p2 p3 p1 p2 1 ms 1 ms 1 ms 1 ms 1 ms p3 1 ms
- 9. demo
- 12. exit notification
- 13. demo
- 15. process-owned “stuff” is released
- 17. demo
- 18. cancellation run the job in a separate process kill the process to cancel it
- 19. # run in a separate process task = Task.async(fn -> ... end) # wait for the result case Task.yield(task, :timer.seconds(5)) do {:ok, result} -> # the result arrived on time do_something(result) nil -> # timeout -> kill the process Task.shutdown(task, :brutal_kill) end
- 22. system backend frontend chat historyrepo cache endpoint
- 24. supervisor foundations lightweight concurrency shared-nothing concurrency frequent context switching activities as runtime citizens
- 27. Scales of Justice image taken from clipartfox.com https://bit.ly/beam-resources