Good programmer copies, Great programmer pastes

琉球大学の情報産業社会学言論Iの講話で呼ばれたので、1年間こんな感じだったという話をしました

Transcript

1. Good programmer copies Great programmer pastes גࣜձࣾϝϧΧϦ
 ιϑτ΢ΣΞΤϯδχΞɹ্઒ɹܚ
2. w ্઒ɹܚ
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   w !DPEFIFY
   w ϓϩάϥϛϯάݴޠ
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3. IUUQTNFSDBONFSDBSJDPNBSUJDMFT
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7. ͔ΜͨΜʹചΓങ͍͕Ͱ͖ͯ
 ͋Μ͠Μɾ͋ΜͥΜͳ͓औҾ͕Ͱ͖Δ
 ϑϦϚΞϓϦ
10. ˔αʔϏε։࢝೔ɿ2013೥7݄ ˔ରԠOSɿAndroidɺiOS ˞8FCϒϥ΢β͔Β΋ར༻Մೳ ˔ར༻ྉɿແྉ ˞ചΕͨͱ͖ͷख਺ྉɿൢചՁ֨ͷ10% ˔ରԠ஍Ҭɾݴޠɿ೔ຊɾ೔ຊޠجຊ࢓༷
    
11. ϝϧΧϦͷػೳͷҰྫ
12. ΦϑΝʔػೳ ߪೖر๬ऀ͕ग़඼ऀʹՁ֨Λ ఏҊͯ͠஋Ҿ͖Λ͓ئ͍͢Δ ػೳɻग़඼ऀ͕ΦϑΝʔΛ
 ঝ୚͢ΔͱɺΦϑΝʔΛૹ৴ ͓ͨ͠٬͞·ͷΈ͕஋Ҿ͖ޙ ͷՁ֨ͰߪೖͰ͖Δ
13. ࣸਅݕࡧػೳ ୳͍ͨ͠঎඼ͷը૾Λಡ ΈࠐΉͱɺϝϧΧϦ্ʹ ग़඼͞Ε͍ͯΔ঎඼ը૾ Λର৅ʹݕࡧΛߦ͍ɺը ૾ͱಉ͡঎඼΋͘͠͸ྨ ࣅ঎඼ΛݕࡧͰ͖Δ
15. ৽ͨͳՁ஋ΛੜΈͩ͢
    ੈքతͳϚʔέοτϓϨΠεΛ૑Δ Create value in a global marketplace where anyone can buy & sell
16. ҰਓͰ͸ୡ੒Ͱ͖ͳ͍େ͖ͳϛογϣϯ ΛɺνʔϜͷྗΛ߹Θͤɺશһ͕࠷େͷ ύϑΥʔϚϯεΛൃش͢Δ͜ͱͰ࣮ݱ͠ ·͢ɻ ੈͷதʹΠϯύΫτΛ༩͑ΔΠϊϕʔγ ϣϯΛੜΈग़ͨ͢Ίɺશһ͕େ୾ʹνϟ Ϩϯδ͠ɺ਺ଟ͘ͷࣦഊ͔Βֶͼɺ࣮ફ ͠·͢ɻ ϝϯόʔશһ͕ͦͷಓͷϓϩϑΣογϣ φϧͱͯ͠ΦʔφʔγοϓΛ࣋ͪɺ೔ʑ ͷֶͼΛଵΒͣɺ੒Ռ΍࣮੷ʹίϛοτ ͠·͢ɻ Go Bold େ୾ʹ΍Ζ͏ All for One શͯ͸੒ޭͷͨΊʹ Be ϓϩϑΣογϣφϧ
 Ͱ͋Ε a Pro
17. ձࣾઃཱ೔ ౦ژɺઋ୆ɺ෱Ԭɺ
    Palo AltoɺPortlandɺ Boston ΦϑΟε ໿1,800໊ʢ࿈݁ʣ ैۀһ਺ ೥݄೔
18. ೖࣾͷ͖͔͚ͬ
20. w ϝϧΧϦͷΤϯδχΞϦϯάϒϩάʹײܹͨ͠
    w ಡΜͩهࣄ͸ͲΕ΋ߴ౓ͳ͜ͱ͹͔Γ
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    w
    
21. w ϝϧΧϦͷΤϯδχΞϦϯάϒϩάʹײܹͨ͠
    w ಡΜͩهࣄ͸ͲΕ΋ߴ౓ͳ͜ͱ͹͔Γ
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    w ೖࣾͨ͠Βશ෦ݟΕΔ͸ͣ
22. w ϝϧΧϦͬͯͲΜͳձࣾͳΜͩΖ͏
    
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26. ͦͯ͠
 ιϑτ΢ΣΞΤϯδχΞʹͳͬͨ
28. ೖ࢛ࣾͯ͠൒ظΛৼΓฦΔ
29. w 69
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    w ϝϧΧϦΛ࢖ͬͯ௖͍ͯΔ͓٬༷ͷମݧΛ޲্ͤ͞Δͷ͕໨త
    w ౰࣌͸ओʹ഑ૹपΓͷମݧΛ޲্ͤ͞ΔͨΊʹίʔυΛॻ͘೔ʑ
    w ॳΊͯͷ͜ͱ͕ଟ͘ΊͬͪΌ໘ന͔ͬͨ Apr - Jun
30. Develop Monolith Test Deploy Operate Backend Team QA team SRE team Release Flow
31. w 69
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32. API Gateway Offer service Mercari API Authority service          -BTU
33. w .JDSPTFSWJDFT
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34. w .JDSPTFSWJDFT
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35. .POPMJUI
    
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36. Monolith Microservices
37. .POPMJUI
    
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38. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr
39. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities.
40. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities.
41. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. Availability If one part is dead, everything is dead...
42. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. If one part is dead, everything is dead... Availability
43. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. If one part is dead, everything is dead... Availability
44. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. If one part is dead, everything is dead... Availability
45. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. If one part is dead, everything is dead... Complexity Difficult to add new feature Difficult to try new technologies Difficult to on-boarding Availability
46. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. If one part is dead, everything is dead... Complexity Difficult to add new feature Difficult to try new technologies Difficult to on-boarding Velocity Communication overhead Max 32 deployment per day Availability
47. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. If one part is dead, everything is dead... Complexity Difficult to add new feature Difficult to try new technologies Difficult to on-boarding Velocity Communication overhead Max 32 deployment per day Availability
48. Listing Shipping Notification Review Purchase Login Timeline Search Search MySQL Mercari Monolith Solr Scalability Need to scale everything for one part of functionalities. If one part is dead, everything is dead... Complexity Difficult to add new feature Difficult to try new technologies Difficult to on-boarding Velocity Communication overhead Max 32 deployment per day Availability
49. .POPMJUI
    
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50. Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team
51. Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work
52. Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work
53. Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work
54. Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work
55. Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work Flexible scaling Each service can scale independently on demand
56. Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work Flexible scaling Each service can scale independently on demand
57. Item Item Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work Flexible scaling Each service can scale independently on demand
58. Item Item Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work Flexible scaling Each service can scale independently on demand Simplicity Easy to add new feature Easy to use well suited technology (DB)
59. Item Item Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work Flexible scaling Each service can scale independently on demand Simplicity Easy to add new feature Easy to use well suited technology (DB) Agility Independent deployement Independent decision in small context
60. Item Item Listing DB Listing team User DB User team Item DB Item team Shipping DB Shipping team Timeline DB Timeline team Resilient If one service is dead, others can continue to work Flexible scaling Each service can scale independently on demand Simplicity Easy to add new feature Easy to use well suited technology (DB) Agility Independent deployement Independent decision in small context
61. API Gateway Listing service Mercari API Authority service       -BTU #FGPSF
    -BTU
62. Listing Item User Shipping Shipping A Shipping B Shipping C DB DB DB DB DB Service A Service B DB DB
63. w ࣾ಺ͷಈ͖
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65. Develop Service B Test Deploy Operate Service B Team Develop Service A Test Deploy Operate Service A Team Develop Service C Test Deploy Operate Service C Team Release Flow
66. IUUQTTQFBLFSEFDLDPNDPEFIFYDISPNFBTBTFSWJDFJOHP
67. ιϑτ΢ΣΞΤϯδχΞͱͯ͠ ಇ͍ͯΈͯ
68. خ͍͠ɺָ͍͜͠ͱ
69. w େྔͷιʔείʔυͷதʹҳࡐͳίʔυΛݟ͚ͭͨ࣌
    w 1)1
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70. ΍Γ͕͍
71. w ઃܭͰࣗ෼ͷߟ͕͑ਖ਼͍͔͠ɺͦͷಓͷϓϩʹͿ͚ͭΒΕΔ࣌
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    w ͦͷ༷ࢠΛݟͳ͕ΒνʔϜͰඒຯ͍͠͝൧৯΂ʹߦ͘
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72. ࣾձਓʹͳͬͯ
73. w 
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    w ԕ͘ͷ͓ళʹߦ͘Α͏ʹͯ͠Δ
    w ձࣾͷਓͱͷҿΈձ΋૿͑ͨ
    w ޷͖ͳ͚ͩίʔυΛॻ͍͕ͯ΋Β͑Δ
74. ͍͍͜ͱ͹͔Γʜ
75. w ΋ͪΖΜਏ͍ͱ͖΋͋Δ
    w Ͱ͖Δ͚ͩҰਓͰ๊͑ࠐ·ͳ͍Α͏ʹͯ͠Δ
    w ࣗ༝ͳ؀ڥͳͨΊɺࣗ෼͕ಇ࣌ؒ͘Λௐ੔͠ͳ͍ͱ͍͚ͳ͍
    w ϑϨοΫε੍ͱ͸͍͑ɺ݄Ͱಇ͔ͳ͖Ό͍͚ͳ͍࣌ؒ͸ܾ·ͬͯΔ
    w ಇ͖͗͢Δਓ͸͍ͳ͍͚Ͳۤઓͯ͠Δͱ͖͸࢒ۀ͕ͪ͠
    w ͦͷ࣌ͷ࣮ྗͱܦݧͱ؀ڥʢӡʣ͕ࠨӈ͢Δؾ͕͢Δʜ
76. w ΋ͪΖΜਏ͍ͱ͖΋͋Δ
    w Ͱ͖Δ͚ͩҰਓͰ๊͑ࠐ·ͳ͍Α͏ʹͯ͠Δ
    w ࣗ༝ͳ؀ڥͳͨΊɺࣗ෼͕ಇ࣌ؒ͘Λௐ੔͠ͳ͍ͱ͍͚ͳ͍
    w ϑϨοΫε੍ͱ͸͍͑ɺ݄Ͱಇ͔ͳ͖Ό͍͚ͳ͍࣌ؒ͸ܾ·ͬͯΔ
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    w ͦͷ࣌ͷ࣮ྗͱܦݧͱ؀ڥʢӡʣ͕ࠨӈ͢Δؾ͕͢Δʜ
77. w ࣾձਓҰ೥໨
    w ॳΊͯͷࣾձਓͳͷͰܦݧ͕ͳ͍
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    w ͋Δ͔΋͠Εͳ͍͚Ͳ๻͸஌Βͳ͍
    w ػձΛ૿΍ͨ͢Ίʹ৭Μͳਓʹग़ձ͏ͷ͸༗Γͩͱࢥ͏
    w ࣮ྗͳΒ஁͑ํ࣍ୈͰ޲্͢Δ
79. Good programmer copies
80. w ʬ໊ɾεଞʭࣸ͠ɻෳࣸʢ͢Δ͜ͱʣɻʮॻྨΛʕ͢ΔʯʮผͷهԱഔମ ʹʕ͢ΔʯʮʕΛऔΔʯɻ໛฿ʢ͢Δ͜ͱʣɻ໛଄඼ɻ IUUQTKBXJLJQFEJBPSHXJLJ&#&&#$ ίϐʔ
81. w ઌਓͷ໛฿͢Δ
    w େ఍ͷ͜ͱ͸طʹରॲ͞Ε͍ͯΔ
    w ࣗ෼͕਎ʹ͚͍ͭͨεΩϧͷಓͷϓϩΛ໛฿͢Δ
    w ޮ཰Α͘৘ใऩूͷεΩϧ
    w ϞνϕʔγϣϯΛҡ࣋͢ΔεΩϧ
    w ௕͘׆༻Ͱ͖ΔΑ͏ͳεΩϧ
    w How to copy for your skill
82. w ઌਓͷ໛฿͢Δ
    w େ఍ͷ͜ͱ͸طʹରॲ͞Ε͍ͯΔ
    w ࣗ෼͕਎ʹ͚͍ͭͨεΩϧͷಓͷϓϩΛ໛฿͢Δ
    w ޮ཰Α͘৘ใऩूͷεΩϧ
    w ϞνϕʔγϣϯΛҡ࣋͢ΔεΩϧ
    w ௕͘׆༻Ͱ͖ΔΑ͏ͳεΩϧ
    w શͯΛԿ΋ߟ͑ͣʹؙύΫϦ͢ΔΘ͚͡Όͳ͍ How to copy for your skill
83. Great programmer pastes
84. w ίϐʔͨ͠΋ͷΛผͷ৔ॴͳͲ΁ϖʔετʢసࣸɾష෇ʣ͢Δͱ͍͏ૢ࡞ Λද͢ίϯϐϡʔλ༻ޠͰ͋Δɻ IUUQTKBXJLJQFEJBPSHXJLJίϐʔɾΞϯυɾϖʔετ ϖʔετ
85. w ໛฿ͨ͜͠ͱΛΞ΢τϓοτ͢Δ
    w ໛฿ͯ͠ͳ͍͜ͱ΋Ξ΢τϓοτ͢Δ
    w ࣗ෼͕ಘͨεΩϧΛ࣍ͷਓʹ޲͚ͯΞ΢τϓοτ͢Δ
    w ϒϩά΍
    4/4
    ౳ɺΦϯϥΠϯͰਓ໨ʹͭ͘ͱ͜Ζ
    w ΋ͪΖΜ௚઀ڭ͑ͯ͋͛Δͷ΋Ξ΢τϓοτ
    w ͜ΕΛ܁Γฦ͢ͱࣅͨଐੑͷਓ຺΋޿͕Δ How to paste your skill
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