yapcasia2014

Transcript

1. Kenji Naito a.k.a kenjiskywalker The world is not complete Photos : https://www.flickr.com/photos/gsfc YAPC::Asia 2014 2014/08/29 (day 1)
2. No system lasts forever People makes mistakes
3. What we do?
4. Image your Web Service
5. Journey of! Web Services Growth
6. The Birth of! Web Service
7. Important! Two things
8. Records Important! Two things
9. Records Important! Two things Insurance
10. Why?
11. Someday
 Hardware will fail
12. Someday
 Hardware will fail
13. Someday! People makes mistakes Someday
 Hardware will fail
14. Someday! People makes mistakes Someday
 Hardware will fail
15. Records! Insurance At the start! of Web Service
17. Increase User
18. Increase User
19. Increase User Increasing system loads
20. Increase User Increasing system loads Degrading responses
21. web db
22. web db web db
23. Scale Out! web db
24. What is necessary ? web db
25. Repeatability Same function can be set up -> Scale Out -> Load Balance
26. Simplicity Easy Operation -> Loose coupling -> independent of environment
27. Simplicity Repeatability Increase User! at Scale up, Scale out
29. For Web Service Continuity
30. Addition of service ! functions
31. add batch function …! add cache function …! add queue function …! add …! add …! add …
32. Complexity! Increases
33. What is necessary ?
34. -> Recreated easily Repeatability -> Anywhere
35. -> Loosely coupling -> Add, drop easily Simplicity
36. Simplicity Repeatability Complexity ! Increases
38. Time goes by
40. Machine trouble
42. Operation miss
44. Records Insurance Repeatability Simplicity
45. Accuracy of! Records and Insurance
46. Time is Cost Problems and Recovery more time, more efficient
47. Accuracy of! Records and Insurance The Luxury Liner with! No Passengers or! Sailing the Seven Seas in a Raft
48. π Time Cost Risk decide
50. Web Service Continue
52. Approaching! The end of Our journey
53. No system lasts forever People makes mistakes
54. Insurance Records
55. System constantly! changing
56. Repeatability Simplicity
57. Learn from history
58. The UNIX Philosophy Small is Beautiful! ! Make each program do one thing well.! ! Choose portability over efficiency.! ! …
59. ࣜ೥ભٶ Photo : ਆٶࣜ೥ભٶ - Wikipedia Maintain the sanctity! always
60. ௕԰ Photo : https://www.flickr.com/photos/iskws/ breaking,! breaking,! breaking
62. Expected change! Un expected change
63. Records! Insurance
64. Repeatability! Simplicity
65. Infrastructure as Code
66. cope with change! be simple Programming
67. cope with change! be simple Infrastructure
68. No system is perfect! No human is perfect
69. The world is not complete
70. Cope with change
71. Continuing! Web Services! journey