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
330
Modular Design in Elixir (ElixirConf EU 2019)
Avatar for Maciej Kaszubowski mkaszubowski
2
730
The Big Ball of Nouns
Avatar for Maciej Kaszubowski mkaszubowski
0
99
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
470

Other Decks in Programming

See All in Programming
バイブコーディングの正体——AIエージェントはソフトウェア開発を変えるか？
Avatar for Shinichi Takayanagi stakaya
5
600
DynamoDBは怖くない！〜テーブル設計の勘所とテスト戦略〜
Avatar for hiroto_0411 hyamazaki
0
150
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
410
構造化・自動化・ガードレール - Vibe Coding実践記 -
Avatar for ふくすけ tonegawa07
0
160
202507_ADKで始めるエージェント開発の基本 〜デモを通じて紹介〜（奥田りさ）The Basics of Agent Development with ADK — A Demo-Focused Introduction
Avatar for RisaTube risatube
PRO
6
1.3k
あまり知られていない MCP 仕様たち / MCP specifications that aren’t widely known
Avatar for ktr ktr_0731
0
180
はじめてのWeb API体験 ー 飲食店検索アプリを作ろうー
Avatar for Aki Nakahara akinko_0915
0
180
構文解析器入門
Avatar for ydah ydah
7
2k
Jakarta EE Meets AI
Avatar for ivargrimstad ivargrimstad
0
540
PHPUnitの限界をPlaywrightで補完するテストアプローチ
Avatar for yuzneri yuzneri
0
360
新しいモバイルアプリ勉強会（仮）について
Avatar for 上ちょ / uetyo uetyo
1
240
Amazon Q CLI開発で学んだAIコーディングツールの使い方
Avatar for matsukada licux
3
150

Featured

See All Featured
jQuery: Nuts, Bolts and Bling
Avatar for Doug Neiner dougneiner
63
7.8k
Typedesign – Prime Four
Avatar for Hannes Fritz hannesfritz
42
2.7k
Easily Structure & Communicate Ideas using Wireframe
Avatar for Afnizar Nur Ghifari afnizarnur
194
16k
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
71
11k
Fantastic passwords and where to find them - at NoRuKo
Avatar for Phil Nash philnash
51
3.4k
Designing for humans not robots
Avatar for Tammie Lister tammielis
253
25k
Building Adaptive Systems
Avatar for Chris Keathley keathley
43
2.7k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
329
21k
Gamification - CAS2011
Avatar for David Bonilla davidbonilla
81
5.4k
Save Time (by Creating Custom Rails Generators)
Avatar for Garrett Dimon garrettdimon
PRO
31
1.3k
Thoughts on Productivity
Avatar for Jon Yablonski jonyablonski
69
4.8k
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
29
5.5k

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!