Feedback Driven Development

Fast feedback is the most important thing in iterative software development.

Usually we develop something for a few weeks, then we test a few weeks, then we release it and only then we understand that everything does not work as it should. Metrics are failed, productologists are upset, time is lost.

We'll talk about how you can implement a system that will flexibly manage the functionality of the application directly in production (feature-toggling power) and conduct many experiments at the same time.

You can also watch the video of my speech on YouTube (in Russian).
https://www.youtube.com/watch?v=H9Ff6R_4Mw8&feature=youtu.be&t=4h45m00s

Transcript

1. Feedback Driven Development
2. Илья Царев iltsarev 2
3. Илья Царев iltsarev 2013 3
5. 5 5
6. 6 6
9. 9 • Feedback loop
 
 
 
 

10. 10 • Feedback loop • Fast feedback 
 
 
 

11. 11 • Feedback loop • Fast feedback • Feature toggling
 
 

12. 12 • Feedback loop • Fast feedback • Feature toggling • Overview
 

13. 13 • Feedback loop • Fast feedback • Feature toggling • Overview • Code

14. 14 • Feedback loop • Fast feedback • Feature toggling • Overview • Code • Tips & tricks
15. Feedback Loop 15
16. Feedback Loop 16
17. Feedback Loop 17
18. Feedback Loop 18
19. Feedback Loop 19
20. Feedback Loop 20
23. Feature 23
24. Feature 24
25. Feature + 25
26. Feature 26
27. Feature 27
28. Feature 28
29. Feature 29
30. Feature 30
31. Feature Flags 31
32. Feature Flags 32
33. Feature Flags 33
34. Feature Flags 34
35. Feature Flags 35
36. Feature Flags 36
37. Feature Flags 37
38. Feature Flags 38
39. Code 39
40. Code 40
64. Release 64
65. Release 65
66. Release 66
67. Release 67
68. Release 68
69. Release 69
71. Bonus Track 71
72. Bonus Track 72
73. Bonus Track 73
74. Bonus Track 74
75. Bonus Track 75
76. Bonus Track 76
77. Bonus Track 77
78. Bonus Track 78
79. Bonus Track 79
80. Bonus Track 80
81. Attention 81
82. Attention 82
83. Attention 83
85. Attention 85
86. Attention ‣ Removal task ‣ Time to live (expiration date) ‣ Time bomb (fail test) ‣ Upper bound 86
87. Try it! 87
88. Try it! bit.do/TOGGLES 88
89. bit.do/TOGGLES 89
90. bit.do/TOGGLES 90 Илья Царев iltsarev