ActionCable, WebSocket and Scalability

以 Rails 5.0 即将发布的 ActionCable 作为切入点，给大家介绍一下事实 WebSocket 的内部实现，以及在生产环境下如何去正确的水平扩展 WebSocket 服务。

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2. ActionCable, WebSocket and Scalability ݾࢵਘ
3. ᛔ౯Օᕨ • Ruby China ᐒ܄ᓕቘާ • RubyConf China य़տᕟᕢᘏ • Teahour.FM Ԇඎ • ংᇁ @lgn21st lgn21st@gmail.com
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
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
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
46. Single Server • TCP/IP parameters • Maximum Number Of FD • Memory / Network • Concurrent Model
47. One More Pit
49. ೗ᘷଠޞ • Rubyist / ڹᒒ / ᑏۖᒒ / HR • ᓌܲ᧗ݎ hr@baoquan.com
50. ᨀᨀय़ਹ
51. ဌࠨଗᨵ ᥝӧߕڦ Q&A ԧމҘ