Upgrade to Pro — share decks privately, control downloads, hide ads and more …

The Scientific Method of Troubleshooting

Avatar for Blithe Rocher Blithe Rocher
August 02, 2014
Programming
0
140

The Scientific Method of Troubleshooting

This version of the talk was presented at eurucamp 2014.

Avatar for Blithe Rocher

Blithe Rocher

August 02, 2014
Tweet

More Decks by Blithe Rocher

See All by Blithe Rocher
Microservices War Stories
Avatar for Blithe Rocher blithe
1
190
The Scientific Method of Troubleshooting
Avatar for Blithe Rocher blithe
1
220
The Scientific Method of Troubleshooting
Avatar for Blithe Rocher blithe
2
690

Other Decks in Programming

See All in Programming
Railsだからできる 例外業務に禍根を残さない 設定設計パターン
Avatar for えいえい ei_ei_eiichi
0
440
Cursorハンズオン実践！
Avatar for Ikko Eltociear Ashimine eltociear
2
910
CSC509 Lecture 05
Avatar for Javier Gonzalez-Sanchez javiergs
PRO
0
300
Devoxx BE - Local Development in the AI Era
Avatar for Kevin Dubois kdubois
0
120
10年もののAPIサーバーにおけるCI/CDの改善の奮闘
Avatar for masato hommaru mbook
0
800
理論と実務のギャップを超える
Avatar for kmuto eycjur
0
120
monorepo の Go テストをはやくした〜い！~最小の依存解決への道のり~ / faster-testing-of-monorepos
Avatar for convto convto
2
460
Software Architecture
Avatar for Henning Schwentner hschwentner
6
2.3k
複雑化したリポジトリをなんとかした話　pipenvからuvによるモノレポ構成への移行
Avatar for Satoshi Kaneyasu satoshi256kbyte
1
1k
Back to the Future: Let me tell you about the ACP protocol
Avatar for Benedikt Terhechte terhechte
0
140
GraphQL×Railsアプリのデータベース負荷分散 - 月間3,000万人利用サービスを無停止で
Avatar for Koya Masuda koxya
1
1.2k
オープンソースソフトウェアへの解像度🔬
Avatar for うたもく utam0k
12
2.5k

Featured

See All Featured
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
224
10k
Large-scale JavaScript Application Architecture
Avatar for Addy Osmani addyosmani
514
110k
Performance Is Good for Brains [We Love Speed 2024]
Avatar for Tammy Everts tammyeverts
12
1.2k
Navigating Team Friction
Avatar for Lara Hogan lara
189
15k
Bootstrapping a Software Product
Avatar for Garrett Dimon garrettdimon
PRO
307
110k
Thoughts on Productivity
Avatar for Jon Yablonski jonyablonski
70
4.9k
The Psychology of Web Performance [Beyond Tellerrand 2023]
Avatar for Tammy Everts tammyeverts
49
3.1k
Done Done
Avatar for chrislema chrislema
185
16k
VelocityConf: Rendering Performance Case Studies
Avatar for Addy Osmani addyosmani
332
24k
What’s in a name? Adding method to the madness
Avatar for Product Marketing Alliance productmarketing
PRO
23
3.7k
Why Our Code Smells
Avatar for Brandon Keepers bkeepers
PRO
339
57k
The Illustrated Children's Guide to Kubernetes
Avatar for Chris Short chrisshort
48
51k

Transcript

  1. The Scientific Method of Troubleshooting

  2. @blithe

  3. Big Nerd Ranch Atlanta, Georgia

  4. Scientist

  5. PhD in Physical Chemistry

  6. Physics

  7. Chemistry

  8. 6 Years!

  9. Experiments

  10. Scientific Method

  11. Developer < >

  12. StackOverflow

  13. Problem solved?

  14. Learn anything?

  15. Most Important Part

  16. Scientific Method

  17. Set of Techniques For Acquiring Knowledge

  18. Methodical

  19. Systematic

  20. “Has anyone seen string interpolation fail?”

  21. Define the Problem

  22. Expected behavior? ! ! !

  23. Expected behavior? ! Actual behavior? !

  24. Expected behavior? ! Actual behavior? ! Criteria for success?

  25. Do Your Research

  26. Know your environment

  27. Read the literature

  28. Discussions

  29. Make it fail!

  30. Establish a Hypothesis

  31. Design the Experiment

  32. Divide and conquer!

  33. Limit the variables

  34. Try something weird

  35. None

  36. Hierarchy of Blame

  37. Gather Data

  38. Current status?

  39. Read the error message!

  40. Analyze Your Results

  41. Problem solved? ! Learn anything?

  42. Understand the Why

  43. Future Experiments

  44. Embrace the Success

  45. Keep a Good Lab Notebook

  46. None

  47. You won’t remember

  48. Logs aren’t enough

  49. Commit Messages

  50. Update the Docs

  51. Contribute

  52. None

  53. Share the Knowledge

  54. Thanks! @blithe