Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Stateful Apps with OTP

Avatar for Maciej Kaszubowski Maciej Kaszubowski
April 20, 2017
Programming
130
0

Stateful Apps with OTP

Avatar for Maciej Kaszubowski

Maciej Kaszubowski

April 20, 2017

More Decks by Maciej Kaszubowski

See All by Maciej Kaszubowski
Error-free Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
490
Modular Design in Elixir (ElixirConf EU 2019)
Avatar for Maciej Kaszubowski mkaszubowski
2
960
The Big Ball of Nouns
Avatar for Maciej Kaszubowski mkaszubowski
0
170
Modular Design in Elixir
Avatar for Maciej Kaszubowski mkaszubowski
1
430
Our three years with Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
320
Concurrency Basics for Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
180
Distributed Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
230
Software Architecture
Avatar for Maciej Kaszubowski mkaszubowski
0
180
Let it crash - fault tolerance in Elixir/OTP
Avatar for Maciej Kaszubowski mkaszubowski
0
570

Other Decks in Programming

See All in Programming
SODA - FACT BOOK（JP）
Avatar for SODA inc. sodainc
1
40k
AIがコードを書いてくれる時代、我々は何を確かめるのか
Avatar for Yosuke Furukawa yosuke_furukawa
PRO
13
5.8k
graphql-ruby を Spinel で速くしようとした話
Avatar for Fumiaki MATSUSHIMA mtsmfm
0
140
PumaからFalconに移行したRailsアプリケーションでの実践
Avatar for Hayato OKUMOTO falcon8823
0
370
Optunaを作ったときにやりたかったこと、その後 (2026/10/16, Optuna Meetup #3)
Avatar for Takuya Akiba iwiwi
4
1.5k
Apple Intelligenceとオンデバイス時代の到来
Avatar for Yahiro Sugiyama yahir0
0
230
當我們開始不讀 Code - AI Agent 時代，Code Review 與 Clean Code 還剩下什麼？
Avatar for James Wang jame2408
1
370
AmebaブログはKMPから卒業します
Avatar for 伊藤光次郎 kmars0605
0
340
Goコンパイラを作ってGoをもっと理解する / Build a Go compiler to better understand Go
Avatar for ikura-hamu ikura_hamu
0
130
Modernizing iOS Apps
Avatar for seyfeddin seyfoyun
0
150
3回つくってわかった、
定期実行ジョブ基盤の本質情報
Avatar for Naoto Takai takai
4
3.8k
조합이폭발하는디자인시스템이걸눈으로도테스트하라고요
Avatar for giljongyu giljongyu
0
740

Featured

See All Featured
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
31
6.4k
エンジニアに許された特別な時間の終わり
Avatar for watany watany
109
250k
Being A Developer After 40
Avatar for Adrian Kosmaczewski akosma
PRO
92
590k
Navigating the moral maze — ethical principles for Al-driven product design
Avatar for Skipper Chong Warson skipperchong
2
680
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
Avatar for Ines Montani inesmontani
PRO
3
2.5k
Google's AI Overviews - The New Search
Avatar for Barry Adams badams
0
1.7k
Mind Mapping
Avatar for Hélio Medeiros helmedeiros
1
430
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
62k
Impact Scores and Hybrid Strategies: The future of link building
Avatar for Tamara Novitovic tamaranovitovic
0
480
The Success of Rails: Ensuring Growth for the Next 100 Years
Avatar for Eileen M. Uchitelle eileencodes
47
8.4k
Performance Is Good for Brains [We Love Speed 2024]
Avatar for Tammy Everts tammyeverts
12
1.9k
Breaking role norms: Why Content Design is so much more than writing copy - Taylor Woolridge
Avatar for UX Y'all uxyall
1
510

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!