【徹底比較】SIerとWeb系はココが違う！

Transcript

1. ʲపఈൺֱʳ4*FSͱ8FCܥ͸ίί͕ҧ͏ʂ ฏ੒೥݄೔ɹߴҪɹ௚ਓ ग़੮ऀ֤Ґ ΩϟϦΞνΣϯδͨ͠ΤϯδχΞ͕ݟͨ྆ऀͷݱ৔͔Β

2. ഈܒɹو఼ʹ͓͔Ε·ͯ͠͸ɺ͝ਗ਼ӫͷ͜ͱͱ͓تͼਃ্͛͠ ·͢ɻ·ͨɺ͜ͷ౓͸ൃදͷػձΛ͍͖ͨͩ·ͯ͠ɺ੣ʹ͋Γ ͕ͱ͏͍͟͝·͢ɻ ɹࢲ͸ɺࣾձਓͱͯ͠ब৬Ҏདྷɺඍྗͳ͕Β΋γεςϜΠϯς άϨʔλɺΠϯλʔωοταʔϏεاۀͳͲͰɺਚྗͯ͠ࢀΓ ·ͨ͠ɻࠓճൃදਃ্͛͠Δ಺༰ʹ͖ͭ·ͯ͠΋ɺͦͷ஝ੵ͞ ΕͨܦݧΛ΋ͱʹൃද͍ͤͯͨͩ͘͞ॴଘʹ͍͟͝·͢ɻ ɹͲ͏͔ຊൃදΛΑΖ͘͠͝ݕ౼͍͖ͨͩɺࠓޙͷو఼ͷ͝׆ ༂ͷࢀߟͱͳΒΜ͜ͱΛ͝ف೦͍ͨ͠·͢ɻ ͸͡Ίʹ

3. NAOTO TAKAI Cowboy Coder

4. Once upon a time…

5. None
6. None

7. Question ‣How old? ‣Suit or T-Shirt? ‣Contractor or In-House?

8. 2000~ Computer Distributor 2001~ Web Production 2007~ System Integrator 2011~

   Recipe Site

9. 2000~ Suit, Contractor 2001~ T-Shirt, Contractor 2007~ Suit, Contractor 2011~

   T-Shirt, In-House Memo: Talk about me

10. Agenda ‣SIer / Web Business ‣A Future in Development ‣Career

    Changing

11. ‣SIer / Web Business

12. I got a job at system integrator…

13. None

14. Excel with Square Grid

15. ‣Requirements ‣Design documentation ‣Test Plan ‣Man-Month Calculation

16. Requirements System Design Module Design Implementation Acceptance Test System Test

    Integration Test Unit Test Memo: Talk about customer approval

17. Dogma System requirements is the most important.

18. ✓ Process Quality ✓ Code Generation

19. I got a job at recipe site…

20. None

21. Code without Documents

22. ‣Hypothesis ‣Prototype ‣Release ‣Evaluation

23. Measure Learn Build Memo: Code, Data, Ideas

24. Dogma Nobody knows the requirements

25. ✓ Rapid Prototyping ✓ Log Analysis

26. Chanko

27. None
28. None

29. % rails generate chanko like_button create app/units/like_button/like_butto create app/units/like_button/views/_sho create

    app/units/like_button/spec/contr create app/units/like_button/spec/model create app/units/like_button/spec/helpe create app/units/like_button/stylesheet create app/assets/stylesheets/units/lik create app/units/like_button/javascript create app/assets/javascripts/units/lik create app/units/like_button/images/log create app/assets/images/units/like_but

30. app/units/like_button/like_button.rb /views/ /spec/ /stylesheets/ /javascripts/ /images/ Directory Structure Unit script

    Other staff

31. # app/units/like_button/like_button.rb module LikeButton include Chanko::Unit active_if :logged_in do |context,

    opts| context.current_user.logged_in? end scope(:view) do function(:show) do render :partial => "/show" end end end Unit Script Code

32. # app/units/like_button/views/_show.html.haml .copy Share this site with your friends .fb-like{:data

    => {:href => 'http://recompi #fb-root :javascript (function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0] if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = "//connect.facebook.net/ja_JP/all fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk')); Unit View Code

33. # app/views/photos/index.html.haml = invoke(:like_button, :show) do %address.copy Copyright © 2005-2012

    Naoto Ta Original View Code # app/views/photos/index.html.haml %address.copy Copyright © 2005-2012 Naoto Taka Before: After:

34. Chanko Before: After:

35. ‣works in production ‣feedback from real user ‣enables a “small

    start” Chanko

36. Log Analysis A Log Collector Daemon

37. App s3 Log Storage MySQL Before: MySQL MySQL

38. ‣heavy & slow ‣batch (sql, hadoop) ‣many database tables Problem

39. fluentd fluentd fluentd fluentd MongoDB TreasureData App Servers Log Storage

    s3 After:

40. ‣lightweight ‣pluggable architecture ‣schema less Fluentd

41. Measure Learn Build Chanko Fluentd

42. ‣before starting the development ‣after ending the development ‛ REQUIREMENTS

    Memo: Ask audience how real world is

43. ‣A Future in Development

44. 0 1,250,000 2,500,000 3,750,000 5,000,000 2000 2001 2002 2003 2004

    2005 2006 2007 2008 2009 2010 2011 ग़యɿܦࡁ࢈ۀলʮಛఆαʔϏε࢈ۀಈଶ౷ܭௐࠪʯ

45. the number of transistors on a chip will double approximately

    every two years. Moore’s Law

46. 1961 IBM 7030 1 MIPS 1994 Intel Pentium 188 MIPS

    2012 Google Nexus 7 13800 MIPS Moore’s Law Memo: Talk about usage of computer

47. Military Use Business Use Personal Use Memo: Talk about media

    theory and usage

48. ‣in any devices ‣in any context ‣with computer technology for

    Personal Use

49. ‣before starting the development ‣after ending the development ‛ REQUIREMENTS

    Memo: Ask audience how real world will be

50. All companies become technology companies bakery, flower shop, liquor shop,

    bookstore… Memo: Ask audience how SIer will be

51. Core competence: own business Technology Doesn't Matter

52. To make everyday cooking fun ‣Rapid Prototyping ‣Log Analysis

53. Open Source Software Memo: Talk about chanko, OSS policy

54. ‣Career Changing

55. All companies become technology companies bakery, flower shop, liquor shop,

    bookstore…

56. All companies employ software engineers bakery, flower shop, liquor shop,

    bookstore…

57. Selling software itself with software engineering Career Changing Memo: Be

    interested in their business

58. ޙ޻ఔ͸͓٬͞· Memo: Talk that only programmers can provide software

59. DON’T HANDS OFF THE CONTROL “upstream” sucks. “downstream” rocks.

60. Only you can control how you act. Thank you