Ruby China 背后的故事

Transcript

1. Ruby China ᙧݸጱඳԪ
   ๫܏ᶲ 2015
   ruby-china.org
   

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2. ӻՈՕᕨ
   - Ruby China ᐒ܄ᓕቘާ̵Ԇᥝ୏ݎᘏ̵ڠতՈ
   - ፓڹ੪ᘳԭඪ՞ਪ
   - ٟԧঅग़ଙ Rails ଫአٟ҅ᬦᦜग़ Gem
   - ڠᒈԧ ruby.taobao.org
   @huacnlee
   

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3. “ Let's Party! — @Rei
   2011-10-28
   

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4. ፓڹఘ٭Օᕨ
   

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5. ๦শ̵ଚӬࠔӞጱ Ruby Ӿ෈ᐒ܄
   

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6. ᮱ᗟᯈᗝ
   • UCloud VPS Ԇ๢Ҕ
   • 1 ݣ 4 Core CPU VPS;
   • 4GB ٖਂҔ
   • MongoDB̵Cache ࣁݶӞݣ๢࢏ӤҔ
   • UpYun ಓᓕӤփ෈կ҅Assets҅զ݊൉׀ Assets CDN ๐ۓҔ
   • 5M ଃ਼ᇿՁኪמ + ᘶ᭗ᗑᕶҔ
   

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7. ᩻ᬦ 20K տާ̵27K ᓤૼৼզ݊ 270K ࢧૼ
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   ࢧ॔
   

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8. 3953 Ոᛗ੝ݎᬦӞེᩂ
   Topic.pluck(:user_id).uniq.count Reply.pluck(:user_id).uniq.count
   7802 Ոᛗ੝ࢧᬦӞེᩂ
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   rei huacnlee lgn21st luikore kgen bhuztez blacktulip chairy11 ibachue hooooopo
   ࢧૼᰁ ݎૼᰁ
   

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9. ଘ࣐ྯॠ 13K ӻᇿᒈᦢਮ҅զ݊ 30K ེᶭᶎᦢᳯᰁ
   Google ړຉᕹᦇᦢᳯᰁ
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   8์25෭ 8์30෭ 9์4෭ 9์9෭ 9์14෭ 9์19෭ 9์24෭
   ᦢਮ ၨᥦᰁ
   

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10. UpYun ਂؙྯ์᧗࿢ᕹᦇ
    ၞᰁ(GB)
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    2013-05 2013-11 2014-05 2014-11 2015-05 2015-09
    ᑮᳵܛአ: 1.11 GB
    

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11. ᕅ 900 ਹلݪݎ૲ᬦ Ruby ፘىᘳ֖מ௳
    Topic.where(node_id: Node.jobs_id).pluck(:user_id).uniq.count
    

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12. And…
    

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13. ୮֦ Google ൤ᔱ
    

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17. ݎ઀ᬦᑕ
    

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18. Homeland - ੜ܄ᦞࣚᶱፓ
    https://github.com/huacnlee/homeland/tree/single-app-rails-3.0
    

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19. Shanghai on Rails
    

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20. chinaonrails.com
    

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21. – 2012-05-10
    “ٌਫইຎ chinaonrails ԏڹঅঅදᇇӞӥ҅
    ౯֌ᦇ੪ӧտํՔॠጱ Ruby China ԧ”
    https://ruby-china.org/topics/3223#reply4
    

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23. - ୏তԭ 2010-8҅ᒫӞӻᇇ๜ฎ Ruby 1.9.2̵Rails 3.0.0.rc2;
    - ๋ڡฎ MySQL ପ;
    - ᬮဌํአ Markdown҅ݝฎᓌܔጱ simple_format ໒ୗ۸Ҕ
    - ဌํ᭗ᎣۑᚆҔ
    - ݝฎᓌܔጱړᔄ̵ᦾ̵᷌ࢧ̵॔ᦕԪ๜پӻۑᚆҔ
    - ᶋଉᓌܔጱݸݣኴᶎҔ
    - ᛔګᓌܔጱአಁᔮᕹҔ
    

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27. source 'http://rubygems.org'

    

    gem 'rails', ‘3.0.0.rc2'

    gem 'mysql2'

    gem ‘paperclip'
    gem 'authlogic'

    gem 'will_paginate', '3.0.pre' 

    gem 'memcache-client'

    

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28. def index

    @topics = Topic.last_actived.includes(:user,:node).limit(10)

    @sections = Section.all.includes(:nodes)

    end

    

    def show

    @topic = Topic.find(params[:id])

    if current_user

    Node.set_user_last_visited(current_user.id, @topic.node_id)

    @topic.user_readed(current_user.id)

    end

    @node = @topic.node

    @replies = @topic.replies.all

    end

    

    def reply

    @topic = Topic.find(params[:id])

    @reply = @topic.replies.build(params[:reply]) 

    @reply.user_id = current_user.id

    if @reply.save

    flash[:notice] = "ࢧ॔౮ۑ"

    else

    flash[:notice] = @reply.errors.full_messages.join("
    ")

    end

    redirect_to topic_path(params[:id],:anchor => 'reply')

    end
    

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29. Ruby Tuesday @ Hangzhou
    ᭬ᥠ @lgn21st
    

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30. Ӟޮݸ…
    

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32. ᇔᜋෛጱๅग़ጱ݇Өᘏ
    @hooopo
    @chloerei
    Twitter̵V2EX̵GitHub զٌ݊՜ Ruby ᐒ܄ၚ᪋ړৼ
    @liuzihua
    

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33. Design by @QCee
    https://ruby-china.org/topics/8
    

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34. GitCafe
    

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35. source 'http://rubygems.org'

    

    gem "rails", "3.1.1"

    gem "mongoid", "2.2.4"

    gem 'carrierwave', '0.5.6'

    gem 'mini_magick','3.3'

    gem 'mongoid_auto_increment_id', "0.2.2"

    gem "devise", "1.4.5"

    gem 'will_paginate', '3.0.pre2'

    gem 'omniauth', '0.3.0'

    gem "oa-openid", '0.3.0'

    gem 'dalli', '1.1.1'
    …
    gem "rails-i18n","0.1.8"

    gem 'redis-namespace','~> 1.0.2'

    gem "redis-objects", "0.5.2"

    gem "rdiscount","1.6.8"

    gem "settingslogic", "~> 2.0.6"

    gem "cells", "3.6.7"

    gem "resque", "~> 1.19.0", :require => "resque/server"

    gem "aws-ses", "~> 0.4.3"

    gem 'mail_view', :git => 'git://github.com/37signals/mail_view.git'

    gem "daemon-spawn", "~> 0.4.2"

    #

    gem "sprite-factory", "1.4.1"

    group :development do

    gem 'capistrano', '2.9.0'

    gem 'chunky_png', “1.2.5"
    gem 'factory_girl_rails'

    end
    

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36. def index

    @topics = Topic.last_actived.limit(10)

    @sections = Section.all

    render :stream => true

    end

    

    def show

    @topic = Topic.find(params[:id])

    @topic.hits.incr(1)

    @node = @topic.node

    @replies = @topic.replies.asc(:_id).all.cache

    if current_user

    @topic.user_readed(current_user.id)

    current_user.notifications.where(:reply_id.in =>
    @replies.map(&:id), :read => false).update_all(:read =>
    true)

    end

    render :stream => true

    end
    

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37. • ruby-china.org ऒݷҔ
    • Linode ᮱ᗟҔ
    • ෛጱ UIҔ
    • ᦾ᷌ྋ෈ MarkdownҔ
    • ीے Wiki ۑᚆ̵ඪ೮դᎱṛՄҔ
    • Devise ๊դአಁᔮᕹ;
    • Mongoid, Assets Pipeline, Carrierwave, redis-objects, cellsҔ
    • ीے Notification ۑᚆҔ
    • Ծڊ mongoid_auto_increment_idҔ
    

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38. RubyConf China 2011
    ੒क़ل૲ Ruby China
    

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39. ୏তႀفय़ᰁጱአಁ
    ྋୗᬰفᬩ០
    

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40. ӞԶݎ઀ොݻ
    • വۖᕟᕢ RubyConf China ၚۖҔ
    • Ӥၹ̵๺૞̵۹Ղӣࣈ᷇ᔺጱ Ruby Tuesday ᕚӥၚۖҔ
    • Ruby ᆽঅᘏ T ௫Ҕ
    • ෆቘෛಋفᳪᩒා WikiҔ
    • ڠᒈ GitHub Ruby China ୏რੜᕟҔ
    • ᘉᦲ Ruby ᐒ܄ᅾᳪದ๞ᩒාҔ
    • ᤉኞ RailsCast China̵TeaHour;
    

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41. View Slide

42. View Slide

43. ଚധԏڹਂࣁጱݱᐿ Ruby Ӿ෈ᗑᒊ
    rubybbs.com
    rubycn.org
    thoughtrails.com
    chinaonrails.com
    shanghaionrails
    ruby-lang.org.cn
    

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44. by XiaoBo Liu
    

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45. GitHub Ӥᶎڠᒈ Ruby China ᕟ
    @ashchan
    @lgn21st
    @chloerei
    @huacnlee
    

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46. huacnlee/ruby-china
    ruby-china/ruby-china
    ՗ӻՈݒ౮ࢫᴚ
    

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47. GitHub Ӥ୏তڊሿஉग़ጱᨯሠᘏ
    

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48. 2400 ེ Commit, 105 ᨯሠᘏ
    ᩻ᬦ 5 ེ Commit ጱํ 21 Ո
    0
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    525
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    huacnlee xdite chloerei ashchan forresty doitian qichunren xiaods fredwu bachue
    10
    11
    19
    23
    37
    40
    83
    88
    185
    1,394
    Commits
    

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49. > rake stats
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Name | Lines | LOC | Classes | Methods | M/C | LOC/M |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Controllers | 1793 | 1471 | 37 | 208 | 5 | 5 |
    | Helpers | 489 | 414 | 0 | 54 | 0 | 5 |
    | Models | 1841 | 1424 | 27 | 146 | 5 | 7 |
    | Mailers | 16 | 15 | 2 | 1 | 0 | 13 |
    | Javascripts | 7633 | 5866 | 1 | 694 | 694 | 6 |
    | Libraries | 708 | 500 | 8 | 46 | 5 | 8 |
    | Api specs | 1024 | 886 | 0 | 1 | 0 | 884 |
    | Controller specs | 720 | 613 | 0 | 0 | 0 | 0 |
    | Feature specs | 37 | 33 | 0 | 0 | 0 | 0 |
    | Helper specs | 461 | 378 | 0 | 0 | 0 | 0 |
    | Lib specs | 620 | 470 | 3 | 0 | 0 | 0 |
    | Model specs | 1405 | 1185 | 3 | 0 | 0 | 0 |
    | Request specs | 51 | 40 | 0 | 0 | 0 | 0 |
    | Routing specs | 21 | 17 | 0 | 0 | 0 | 0 |
    | View specs | 35 | 27 | 0 | 0 | 0 | 0 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Total | 16854 | 13339 | 81 | 1150 | 14 | 9 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    Code LOC: 9690 Test LOC: 3649 Code to Test Ratio: 1:0.4
    

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50. GitHub Issues 2015
    Open Issue
    30
    Closed Issue
    230
    Closed PR
    54
    Merged PR
    127
    Open PR
    3
    Open PR Merged PR Closed PR Closed Issue Open Issue
    

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51. ኧᗑ݋Ծኞ
    • य़ᰁጱ Ruby դᎱ᯿຅Ҕ
    • ୚فၥᦶҔ
    • @ ӥ೉൉ᐏҔ
    • Markdown ᶼᥦҔ
    • ग़᧍᥺ඪ೮Ҕ
    • APIҔ
    • ᕷय़ग़හฎ Bug ץྋզ݊ੜදᬰҔ
    

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52. ᮎԶᤩ೏ᕷധጱۑᚆ
    • ᐺמ
    • ஙמړՁ
    • Internet Explorer ඪ೮
    • ىဳՈҁ๋ڡጱ෸ײ҂
    • ଆۗڦՈᖫᬋૼৼ
    • Vote Up / Down
    

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53. உग़ PR ဌݳଚฎਠ࠺ଶጱᳯ᷌
    UI̵Ի԰̵෈ໜᕡᜓ̵ၥᦶ̵॔๥ଶ̵սضᕆ…
    

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54. ᑕଧާ౜ᦡᦇஉ᯿ᥝ
    Ruby China ጱ౮ۑ҅޾“ᦡᦇ”ํӞਧىᔮ
    

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55. உग़ۑᚆ
    ٌਫฎሿࣁဌᑮਫሿ
    

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56. ౲ᘏฎ
    

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57. ౡ̵೒୊ዩ…
    ྲই KeyNotes ೒کԧ 9 ์ବ
    

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58. ୮ᆐ
    

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59. ํԶۑᚆ֦ӧӞਧᥝਫ
    ሿ౲ḘӤਫሿ
    ֺইғىဳ̵᭗Ꭳ̵ق෈൤ᔱ
    

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60. ےቔ੪ฎᮎԍ๶ጱ
    

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61. ౯ᅾᆽᬯӻᶱፓ
    

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62. ෸ଉտᎸᑪྯӻᕡᜓ॒ጱਫሿ
    

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63. ݱᐿ Ruby ᐒ܄ጱದ๞ࣁӤᶎ੤
    ᦶԧӞ᭭
    JRuby
    Faya
    Rubinius
    ݱᐿ Benchmark ړຉૡٍ
    Rails ෛڊጱۑᚆ
    

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64. ้ᕪ൥ࣕᬦහഝପ
    ਣ๢ᬦঅग़ེҁ᮷ฎ޾ݎ૲ํى҂
    ॓ղஉ᯿ᥝ
    

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65. ᑞਧጱ෸ײᬮฎᇙڦᑞਧጱ
    

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66. Unicorn ᬰᑕٖਂᑞਧࣁ 212m
    ᑞਧ᪒ԧ 11 ॠ
    

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67. ᶲ׎᧔Ӟӥ
    ٖਂအᶂӞਧฎय़ग़හ෸ײฎ
    ଫአጱᳯ᷌
    

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68. य़᮱ړ෸ײฎࣁ੤ᦶ፡ Ruby̵
    Rails ฎވᬮᚆ᪒஑ๅள
    ܨֵᶱፓሿࣁ૪ᕪ᪃ड़ளԧ
    

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69. ፓຽฎ 100ms զٖጱߥଫ෸ᳵ
    ሿࣁፓຽ૪Ӥ܋ک 50ms զٖԧ
    

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70. ୮ᆐԞࢩྌත឴உग़
    

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71. Ruby China ᶱፓݱӻᴤྦྷىᲫᶭᶎߥଫ෸ᳵ੒ྲ
    Response Time (ms)
    50
    100
    150
    200
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    350
    400
    450
    500
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    / /topics /topics/:id /topics/node:id /:login
    Homeland (Rails 3.0) 2011-11 (Rails 3.1) 2013-05 (Rails 3.2) 2013-12 (Rails 4.0)
    2014-05 (Rails 4.1) Now (Rails 4.2)
    

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72. • ᓌ۸᭦ᬋ֦҅፥ጱᵱᥝᮎԍ॔๥ጱۑᚆҘ
    • ӧᥝ஺ኼԧڹᒒጱපሲҔ
    • य़᮱ړ෸ᳵ᮷ᜰࣁ View Ӥᶎ҅Fragment CacheҔ
    • ᭿ع॔๥᭦ᬋ҅՗ۑᚆ޾ຝ຅Ӥᶎכ೮᪃ड़ጱᓌܔҔ
    • ຤ԶԪఘݢզԻᕳ JavaScript ๶॒ቘҔ
    • ग़፡ Rails API ෈໩҅ݎሿྋᏟጱֵአොୗ҅ྲই render collection: itemsҔ
    • MRI Ruby ࣁ IO ጱ᮱ړٌਫݢզአ Thread ਫሿଚᤈጱҔ
    • Gem ጱෛᇇ๜ݢզտํ௔ᚆ޾ٖਂጱץ॔҅ىဳ Changelog, PR;
    • ഩൎྋᏟጱ᮱ᗟොୗ҅GC ᧣ս;
    • ဳ఺֦አጱ Gem ٖਂ୏ᲀҔ
    

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73. ړຉ֦ጱଫአ
    

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74. https://tunemygc.com/
    TuneMyGC
    ᧣ս GC
    

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75. - evanphx/benchmark-ips - ӧᥝ௛ฎ“౯ᥧ஑”֦҅ଫᧆᖫٟ
    Benchmark ၥᦶ੒ྲҔ
    - MiniProfiler/rack-mini-profiler - ᕳଫአ಑ᅩ҅ړຉᘙ෸Ҕ
    - rails/rails-perftest - ᕳଫአᖫٟ௔ᚆၥᦶአֺҔ
    - SamSaffron/memory_profiler - ړຉᑕଧݱӻ᧣አ຾ٖਂ୏ᲀ҅
    allocated ੒᨝ེහ҅ݎሿᩇٖਂጱ GemҔ
    - ruby-prof/ruby-prof - चԭդᎱྦྷጱړຉҔ
    

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76. ଚݎ IO ᧗࿢
    def index

    @threads = []

    @threads << Thread.new do

    @suggest_topics = Topic.suggest.limit(3)

    end

    

    @threads << Thread.new do

    @topics = Topic.last_actived

    if current_user

    @topics = @topics.without_nodes(current_user.blocked_node_ids)

    @topics = @topics.without_users(current_user.blocked_user_ids)

    else

    @topics = @topics.without_hide_nodes

    end

    @topics = @topics.paginate(page: params[:page], per_page: 22)

    end

    @threads.each(&:join)

    end
    

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77. ํපڥአ updated_at ਫሿᖨਂ
    <% cache([reply]) do %>

    

    ...

    

    <% end %>
    irb> reply.cache_key

    "replies/256261-20150825031859640000000"
    

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78. Rails 3.0.0 … 4.2.x
    ۱ೡݱᔄ Gems̵Bootstrap
    Ruby China - ೮ᖅ᭄ᵋ Rails ᇇ๜܋ᕆ
    Ruby 1.9.3 … 2.2.3
    

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79. Homeland
    

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80. 2011-11 - v1
    

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81. 2013 - v1.1
    

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82. 2014-5 - V1.3
    

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83. Now
    

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84. • ੱݢᚆ᭽஗ Rails ๋֯ਫ᪢๶ਫሿ֦ጱݱӻۑᚆҁLess SQL҅
    Router URL҅Helper҅ຽٵ CURD҅ERB)Ҕ
    • ࠺አ ActiveModel ጱ ScopeҁTopic.last_actived.without_hide_nodes҂
    • ࠺አ Helper ᓌ۸ Viewҁuser_name_tag, user_avatar_tag҂
    • ෸ڰىဳ Rails ۖா᭄҅ᇇ๜҅ᛗ੝Ӿ֖හҁ4.x.0҂ᇇ๜Ҕ
    • ىဳᶱፓ໐ஞۑᚆጱᔄପࣁ GitHub Ӥጱๅෛۖா҅ํᚆێݢզ݇
    Өਠ࠺Ҕ
    • ੱݢᚆጱٺ੝ᛔ૩ጱդᎱᰁ҅ᚆአପጱࣈොአପᥴ٬ᳯ᷌҅ྲইӤ
    փ̵ړᶭ҅๦ᴴ̵ᴚڜᬯԶ Ruby ᐒ܄૪ᕪᶋଉ౮ᆧጱᶱፓᔄࣳҔ
    

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85. ੪ᬯԶԧ
    

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86. ౯ժՖࣁ੔ತ
    Ruby China ᓕቘާളቔՈ
    

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87. • ᅾᆽ Ruby̵Rails;
    • ڹݸᒒ඘ᳩҔ
    • ౜Ի԰ᦡᦇ҅Ꭳ᭲ই֜؉অጱԾߝҔ
    • ॒ঀଷጱ؉Ԫᷚ໒҅ဳ఺ᕡᜓҁݷ᦯य़ੜٟ҅Ӿ᝕෈
    ᑮ໒҂Ҕ
    

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88. ইຎ֦ᒧݳ
    Ԟ૶๕̵ౄ఺ԅ Ruby Ӿ෈ᐒ܄ጱݎ઀ᨯሠێᰁ
    ᧗ᘶᔮ౯
    

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89. END
    

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90. - @huacnlee
    - huacnlee@gmail.com
    QA
    

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