From 'Legacy' to 'Edge' 2014 edition

Transcript

1. !
   From ‘Legacy' to ‘Edge'
   2014 edition
   !
   Hiroshi SHIBATA
   @hsbt
   OedoRubyKaigi04
   

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2. SHIBATA Hiroshi(@hsbt)
   

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3. asakusa.rb
   

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4. ruby-lang.org
   

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5. Rails Girls in Japan
   

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6. Ruby Committer
   

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8. ϛυϧ΢ΣΞͷΞοϓάϨʔυ
   ࣾ಺։ൃج൫ͷߏங
   ౷ܭج൫ͷߏங
   +409ͷӡ༻੔උ
   HJUIVC
   ηΩϡϦςΟ؂ࠪ
   ίʔυϨϏϡʔ
   ςετج൫ͷߏங
   ΞΫηεղੳج൫ͷߏங
   ։ൃϓϩηε
   ৽ਓڭҭ
   ݪߘࣥච
   ΧϯϑΝϨϯεൃද
   044։ൃ αʔόʔߏ੒؅ཧͷ࡮৽
   ϦʔϯελʔτΞοϓ
   +FOLJOT
   3VCZ3BJMT
   3%#.4
   ٕज़ج൫νʔϜ
   

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9. http://30d.jp
   

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10. from 2007/5
    

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11. 380,000 users
    230,000,000 photos
    

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12. Our Rails app
    46 models
    5000 lines in controllers
    400 lines in routes.rb
    1:1.3 code to test ratio
    

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13. system architecture
    

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14. application server
    

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15. storage server
    

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16. job server
    

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17. transaction server
    

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18. storage is over
    450 TB
    

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19. database size
    is over
    250 GB
    

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20. Development
    Culture
    

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21. จࣈ
    github workflow
    

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22. IRC
    github issue
    costomer’s
    contact
    nagios
    

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23. DevOps
    

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24. 4 deploy/day
    

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26. How to migrate
    edge rails
    from
    legacy rails?
    

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27. Ruby 1.8.6
    Rails 2.0.2
    

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28. Ruby 1.8.6
    Rails 2.0.2
    Ruby 2.1.1
    Rails 4.1.0 new!
    

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29. Why?
    

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31. Ruby on Rails
    

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32. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    

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33. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    Slow
    Fast
    

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34. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    

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35. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    

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36. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    

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37. Rails 2.0
    Rails 2.3
    

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38. Rails 2.0
    Rails 2.3
    hotfix A
    migration A
    

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39. Rails 2.0
    Rails 2.3
    hotfix A
    migration A
    

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40. Rails 2.0
    Rails 2.3
    hotfix A
    migration A
    

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41. จࣈ
    

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42. Zero
    Downtime
    Deploy
    

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43. cookpad/kage
    

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44. Kage (kah-geh) is an HTTP shadow
    proxy server that sits between
    clients and your server(s) to
    enable "shadow requests".
    

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45. the basic of kage
    real request
    

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47. _ਓਓ ਓਓ__ਓਓ ਓਓ_!
    > ಥવͷαʔόʔ࠶ىಈ ʉY^Y^Y^YY^Y^Y^YY^Y
    

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48. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    

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49. rails 2.3 with bundler
    

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50. source 'https://rubygems.org'!
    !
    gem 'rails', '~> 2.3.18'!
    gem 'rake', '~> 0.9.2'!
    gem 'rdoc'!
    gem 'rake-confirm'!
    !
    gem 'mysql'!
    gem "mysql_retry_lost_connection"!
    gem 'acts_as_paranoid', :github => 'paperboy-30days/acts_as_paranoid'!
    gem 'passenger', '~> 3.0'!
    gem 'memcache-client', :require => 'memcache'!
    gem 'system_timer'!
    gem 'yajl-ruby', :require => 'yajl'!
    gem 'will_paginate', '~> 2.3'!
    gem 'mail'!
    !
    gem 'sass'!
    gem 'compass-rails'!
    !
    gem 'osaipo_client', :git => 'git@github.com:paperboy-all/
    osaipo_client.git', :branch => 'legacy'!
    gem 'jugem_client', :git => 'git@github.com:paperboy-all/
    jugem_client.git'!
    gem 'ppb_footer', :github => 'paperboy-all/ppb_footer'!
    

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51. require "./config/environment"!
    !
    use Rails::Rack::LogTailer!
    use Rails::Rack::Static!
    run ActionController::Dispatcher.new
    rack with rails 2.3
    

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52. 30days-front
    can’t use
    hyphen
    can’t use
    number
    can’t convert
    !
    application.rb...
    

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53. Reduce
    customer frustration.
    

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54. app1
    app2
    backgroundrb to dj
    

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55. จࣈ
    

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56. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    

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57. Use trunk everyday.
    

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58. จࣈ
    

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59. จࣈ
    

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60. Use modern architecture
    

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61. app1
    app2
    

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62. kyoto tycoon is slower
    than mysql…
    

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64. 1.8 to 2.0
    

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65. จࣈ
    

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66. 2.0 to 2.1
    

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67. CPU Usage(%)
    0
    25
    50
    75
    100
    49
    69
    2.0 2.1
    

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68. Resp. time(ms)
    0
    50
    100
    150
    200
    250
    189
    221
    2.0 2.1
    

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69. memory usage(giga byte)
    0
    1
    2
    3
    4
    3.8
    3.2
    2.0 2.1
    

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70. จࣈ
    https://www.ruby-lang.org/en/news/2014/03/10/regression-of-hash-reject-in-ruby-2-1-1/
    

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71. Ruby
    1.8.6 1.8.7 1.9.3 2.0.0 2.1
    Rails
    2.0/2.1
    2.3
    3.0
    3.2
    4.0
    

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72. จࣈ
    

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73. Resp. time(ms)
    0
    60
    120
    180
    240
    300
    287
    189
    3.2 4.0
    

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74. Ruby
    1.9.3 2.0.0 2.1 2.2
    Rails
    3.0
    3.2 ?
    4.0 ?
    4.1 ?
    

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75. Ruby
    1.9.3 2.0.0 2.1 2.2
    Rails
    3.0
    3.2 ?
    4.0 ?
    4.1 ?
    New!!
    

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76. จࣈ
    

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77. 1. Flash structure changes
    2. Mutator methods called on Relation
    

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78. จࣈ
    

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79. Resp. time(ms)
    0
    60
    120
    180
    240
    300
    266
    287
    4.0 4.1
    

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80. Ruby
    1.9.3 2.0.0 2.1 2.2
    Rails
    3.0
    3.2 ?
    4.0 ?
    4.1 ?
    

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81. class Bar!
    def bar(foo = foo())!
    foo!
    end!
    !
    def buzz(foo = foo)!
    foo!
    end!
    !
    def foo!
    :buzz!
    end!
    end!
    !
    p Bar.new.bar!
    p Bar.new.buzz
    

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82. % ruby -v r45272.rb!
    ruby 2.2.0dev (2014-04-13 trunk 45580) [x86_64-darwin13]!
    :buzz!
    nil!
    !
    % ruby -v r45272.rb!
    ruby 2.1.2p80 (2014-03-01 revision 45231) [x86_64-darwin13.0]!
    :buzz!
    :buzz
    

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83. จࣈ
    

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84. conclusion
    

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85. 2. fix gem
    4. fix Ruby
    3. fix Rails
    1. fix your code
    

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