ActionCable, WebSocket and Scalability

Transcript

1. None

2. ActionCable, WebSocket and Scalability ݾࢵਘ

3. ᛔ౯Օᕨ • Ruby China ᐒ܄ᓕቘާ • RubyConf China य़տᕟᕢᘏ •

   Teahour.FM Ԇඎ • ংᇁ @lgn21st lgn21st@gmail.com
4. None

5. ౯ጱੜᆽঅ

6. ᬯฎӞӻӸᘾጱದ๞य़տ

7. ಅզ౯ᥝ्กᛔ૩ጱᒈ࣋

8. ٿฎᚙᐶ࣋ว᧨ದ๞᮷ฎᘓၞ࿇

9. What’s New in Rails 5?

10. Rails API

11. Turbolinks 3

12. ActionCable

13. Real-time Web

14. Real-time Web ԏ᪠ • Polling • Long Polling / Comet

    • Server-Sent Event (SSE) • XMPP҅Flash҅etc…

15. Polling

16. message_bus

17. Server-Sent Event

18. Server-Sent Event

19. Long Polling / Comet

20. WebSocket Protocol • W3C • පሲ

21. handshake over HTTP

22. GET /chat HTTP/1.1 Host: server.example.com Upgrade: websocket Connection: Upgrade HTTP/1.1

    101 Switching Protocols Upgrade: websocket Connection: Upgrade

23. පሲ҅පሲ҅ᬮฎ™පሲ

24. Ruby and WebSockets • Third-party Service / pusher.com • Stand-alone

    server / Slanger • EventMachine + em-websocket • Faye

25. @igrigorik Author of em-websocket

26. None

27. faye-websocket • websocket-driver • eventmachine

28. em-websocket V.S. websocket-driver

29. ActionCable

30. "If you can make WebSockets even less work than polling,

    why wouldn't you do it?” @DHH

31. Seamlessly integration with Rails

32. None

33. actioncable-examples

34. ActionCable Server • faye-websocket • Redis / em-hiredis • Celluloid

35. Under the hood • Authorization (Signed Cookie) • API •

    Connection • Channel • Broadcast • PubSub

36. ActionCable Client Library • Create Consumer • Subscription • ConnectionMonitor

37. EventMachine or Celluloid

38. EventMachine ጱੴᴴ • ಅํጱ୑ྍձۓ᮷ׁᩢ EM.reactor_running • դᎱ஗ሾ્ॺ҅ᵙ᧛҅ᵙٟ҅ᵙ᧣ᦶ • ྋᏟጱֵአ Defer

    ੒᨝

39. Celluloid

40. Tony Arcieri Author of Celluloid

41. Celluloid • Created at 2011 • Actor Model • Ecosystem

    • Celluloid::IO • Reel::IO • DCell • Sidekiq

42. Threading is Hard

43. Scalability

44. ࣋ว

45. None

46. Single Server • TCP/IP parameters • Maximum Number Of FD

    • Memory / Network • Concurrent Model

47. One More Pit

48. None

49. ೗ᘷଠޞ • Rubyist / ڹᒒ / ᑏۖᒒ / HR •

    ᓌܲ᧗ݎ hr@baoquan.com

50. ᨀᨀय़ਹ

51. ဌࠨଗᨵ ᥝӧߕڦ Q&A ԧމҘ