Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Stateful Apps with OTP

Avatar for Maciej Kaszubowski Maciej Kaszubowski
April 20, 2017
Programming
0
96

Stateful Apps with OTP

Avatar for Maciej Kaszubowski

Maciej Kaszubowski

April 20, 2017
Tweet

More Decks by Maciej Kaszubowski

See All by Maciej Kaszubowski
Error-free Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
340
Modular Design in Elixir (ElixirConf EU 2019)
Avatar for Maciej Kaszubowski mkaszubowski
2
740
The Big Ball of Nouns
Avatar for Maciej Kaszubowski mkaszubowski
0
100
Modular Design in Elixir
Avatar for Maciej Kaszubowski mkaszubowski
1
380
Our three years with Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
240
Concurrency Basics for Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
120
Distributed Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
150
Software Architecture
Avatar for Maciej Kaszubowski mkaszubowski
0
130
Let it crash - fault tolerance in Elixir/OTP
Avatar for Maciej Kaszubowski mkaszubowski
0
480

Other Decks in Programming

See All in Programming
自作OSでDOOMを動かしてみた
Avatar for Zakki zakki0925224
1
1.4k
パスタの技術
Avatar for Yusuke Wada yusukebe
1
390
LLMは麻雀を知らなすぎるから俺が教育してやる
Avatar for po3rin po3rin
3
2.2k
マイコンでもRustのtestがしたい その２/KernelVM Tokyo 18
Avatar for Toshifumi NISHINAGA tnishinaga
2
2.3k
tool ディレクティブを導入してみた感想
Avatar for Sugar Sato sgash708
1
150
コンテキストエンジニアリングで変わるAI活用 リファクタリングワークフローの実践から学んだ形式知
Avatar for Tech Leverages leveragestech
0
100
AI OCR API on Lambdaを Datadogで可視化してみた
Avatar for Nealle nealle
0
140
大規模FlutterプロジェクトのCI実行時間を約8割削減した話
Avatar for teamLab teamlab
PRO
0
490
Google I/O recap web編 大分Web祭り2025
Avatar for kponda kponda
0
2.9k
ゲームの物理
Avatar for Fadis fadis
5
1.2k
DockerからECSへ 〜 AWSの海に出る前に知っておきたいこと 〜
Avatar for Itaru Ota ota1022
5
1.7k
実践 Dev Containers × Claude Code
Avatar for Yuto Akiba touyu
1
220

Featured

See All Featured
ピンチをチャンスに：未来をつくるプロダクトロードマップ #pmconf2020
Avatar for Aki / @LoveIdahoBurger aki_iinuma
126
53k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
Avatar for soudai sone soudai
PRO
183
54k
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
29
5.5k
Scaling GitHub
Avatar for Zach Holman holman
462
140k
StorybookのUI Testing Handbookを読んだ
Avatar for Shingo Yamazaki zakiyama
30
6k
Designing Experiences People Love
Avatar for Jonathan Moore moore
142
24k
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
96
6.2k
The Invisible Side of Design
Avatar for Vitaly Friedman smashingmag
301
51k
Put a Button on it: Removing Barriers to Going Fast.
Avatar for kastner kastner
60
4k
Fantastic passwords and where to find them - at NoRuKo
Avatar for Phil Nash philnash
51
3.4k
Site-Speed That Sticks
Avatar for Harry Roberts csswizardry
10
780
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
64
7.9k

Transcript

  1. Stateful Apps with OTP Maciej Kaszubowski

  2. Realtime Apps with OTP Maciej Kaszubowski

  3. Background

  4. Http Server Client

  5. Architecture Server Mobile Mobile Kurento Mobile Websocket Websocket & REST

    WebRTC

  6. Challenges

  7. Async communication with Kurento

  8. Async communication with Clients

  9. Handling Concurrent Calls

  10. Deploys, migrations & Restarts

  11. A lot can go wrong

  12. A lot can go wrong & Errors are dangerous

  13. How to deal with this?

  14. init callback

  15. init callback

  16. init callback

  17. init callback

  18. init callback

  19. init callback

  20. Dealing with failures

  21. RoomServer

  22. RoomServer

  23. Let it FAIL

  24. Room Supervisor RoomServer

  25. Room Supervisor RoomServer

  26. Room Supervisor RoomServer

  27. After the restart, the state is gone

  28. Room Supervisor BackupServer RoomServer

  29. None

  30. Room Supervisor BackupServer RoomServer

  31. None
  32. None

  33. Multiple calls

  34. Room Supervisor BackupServer RoomServer

  35. Common Room Supervisor Room Supervisor Backup Server Room Server Room

    Supervisor Backup Server Room Server

  36. Common Room Supervisor Room Supervisor Backup Server Room Server Room

    Supervisor Backup Server Room Server

  37. Common Room Supervisor Room Supervisor Backup Server Room Server Room

    Supervisor Backup Server Room Server

  38. Common Room Supervisor Room Supervisor Backup Server Room Server

  39. PubSub

  40. Status Updates Server Mobile Join Mobile Room status

  41. MyApp.Endpoint.broadcast( “room_id”, “update_status”, status )

  42. apps/ | |—— domain/ |—— web/

  43. Status Updates Server Mobile Mobile Subscribe Subscribe

  44. Status Updates Server Mobile Mobile Join

  45. Status Updates Server Mobile Mobile Status update Status update

  46. Status Updates

  47. Status Updates

  48. Status Updates

  49. Status Updates

  50. Status Updates

  51. Status Updates

  52. History

  53. History Server Call History Subscribe Status update

  54. History

  55. History

  56. History

  57. Conclusions

  58. Simpler system

  59. Testing is easy

  60. Changes are easy

  61. Great performance

  62. We should learn from the Erlang community

  63. A lot of fun!

  64. Thanks!