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
100

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
420
Modular Design in Elixir (ElixirConf EU 2019)
Avatar for Maciej Kaszubowski mkaszubowski
2
900
The Big Ball of Nouns
Avatar for Maciej Kaszubowski mkaszubowski
0
120
Modular Design in Elixir
Avatar for Maciej Kaszubowski mkaszubowski
1
400
Our three years with Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
270
Concurrency Basics for Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
140
Distributed Elixir
Avatar for Maciej Kaszubowski mkaszubowski
0
180
Software Architecture
Avatar for Maciej Kaszubowski mkaszubowski
0
150
Let it crash - fault tolerance in Elixir/OTP
Avatar for Maciej Kaszubowski mkaszubowski
0
510

Other Decks in Programming

See All in Programming
フロントエンド開発の勘所 -複数事業を経験して見えた判断軸の違い-
Avatar for Yoichiro Kubo heimusu
7
2.8k
コントリビューターによるDenoのすゝめ / Deno Recommendations by a Contributor
Avatar for petamoriken / 森建 petamoriken
0
200
疑似コードによるプロンプト記述、どのくらい正確に実行される？
Avatar for kokuyouwind kokuyouwind
0
390
CSC307 Lecture 04
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
660
なぜSQLはAIぽく見えるのか/why does SQL look AI like
Avatar for florets1 florets1
0
470
CSC307 Lecture 06
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
690
余白を設計しフロントエンド開発を 加速させる
Avatar for karacoro / からころ tsukuha
7
2.1k
今から始めるClaude Code超入門
Avatar for 448jp | OKI Yoshiya 448jp
8
8.9k
高速開発のためのコード整理術
Avatar for sutetotanuki sutetotanuki
1
400
Amazon Bedrockを活用したRAGの品質管理パイプライン構築
Avatar for とすり tosuri13
5
750
Smart Handoff/Pickup ガイド - Claude Code セッション管理
Avatar for rasshii yukiigarashi
0
140
Architectural Extensions
Avatar for Denys Poltorak denyspoltorak
0
290

Featured

See All Featured
YesSQL, Process and Tooling at Scale
Avatar for Rocio Delgado rocio
174
15k
The Success of Rails: Ensuring Growth for the Next 100 Years
Avatar for Eileen M. Uchitelle eileencodes
47
7.9k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
Avatar for panda_program panda_program
122
21k
Darren the Foodie - Storyboard
Avatar for Kevinho.art khoart
PRO
2
2.4k
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
791
250k
Java REST API Framework Comparison - PWX 2021
Avatar for Matt Raible mraible
34
9.1k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
Avatar for mongodb mongodb
49
9.9k
Game over? The fight for quality and originality in the time of robots
Avatar for Wayne Barker wayneb77
1
120
Primal Persuasion: How to Engage the Brain for Learning That Lasts
Avatar for Mike Taylor tmiket
0
250
XXLCSS - How to scale CSS and keep your sanity
Avatar for Zaharenia Atzitzikaki sugarenia
249
1.3M
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
97
6.5k
Statistics for Hackers
Avatar for Jake VanderPlas jakevdp
799
230k

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!