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Computers are easy; people are hard (SPS) Slide 1 Computers are easy; people are hard (SPS) Slide 2 Computers are easy; people are hard (SPS) Slide 3 Computers are easy; people are hard (SPS) Slide 4 Computers are easy; people are hard (SPS) Slide 5 Computers are easy; people are hard (SPS) Slide 6 Computers are easy; people are hard (SPS) Slide 7 Computers are easy; people are hard (SPS) Slide 8 Computers are easy; people are hard (SPS) Slide 9 Computers are easy; people are hard (SPS) Slide 10 Computers are easy; people are hard (SPS) Slide 11 Computers are easy; people are hard (SPS) Slide 12 Computers are easy; people are hard (SPS) Slide 13 Computers are easy; people are hard (SPS) Slide 14 Computers are easy; people are hard (SPS) Slide 15 Computers are easy; people are hard (SPS) Slide 16 Computers are easy; people are hard (SPS) Slide 17 Computers are easy; people are hard (SPS) Slide 18 Computers are easy; people are hard (SPS) Slide 19 Computers are easy; people are hard (SPS) Slide 20 Computers are easy; people are hard (SPS) Slide 21 Computers are easy; people are hard (SPS) Slide 22 Computers are easy; people are hard (SPS) Slide 23 Computers are easy; people are hard (SPS) Slide 24 Computers are easy; people are hard (SPS) Slide 25 Computers are easy; people are hard (SPS) Slide 26 Computers are easy; people are hard (SPS) Slide 27 Computers are easy; people are hard (SPS) Slide 28 Computers are easy; people are hard (SPS) Slide 29 Computers are easy; people are hard (SPS) Slide 30 Computers are easy; people are hard (SPS) Slide 31 Computers are easy; people are hard (SPS) Slide 32 Computers are easy; people are hard (SPS) Slide 33 Computers are easy; people are hard (SPS) Slide 34 Computers are easy; people are hard (SPS) Slide 35 Computers are easy; people are hard (SPS) Slide 36 Computers are easy; people are hard (SPS) Slide 37 Computers are easy; people are hard (SPS) Slide 38 Computers are easy; people are hard (SPS) Slide 39 Computers are easy; people are hard (SPS) Slide 40 Computers are easy; people are hard (SPS) Slide 41 Computers are easy; people are hard (SPS) Slide 42 Computers are easy; people are hard (SPS) Slide 43 Computers are easy; people are hard (SPS) Slide 44 Computers are easy; people are hard (SPS) Slide 45 Computers are easy; people are hard (SPS) Slide 46 Computers are easy; people are hard (SPS) Slide 47 Computers are easy; people are hard (SPS) Slide 48 Computers are easy; people are hard (SPS) Slide 49
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Computers are easy; people are hard (SPS)

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Computers are easy; people are hard (SPS)

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Computers are easy; people are hard (SPS)

  1. 1. @bridgetkromhout #SPSTechJam Computers are easy; people are hard
  2. 2. @bridgetkromhout #SPSTechJam lives: Minneapolis, Minnesota works: Microsoft podcasts: Arrested DevOps organizes: devopsdays Bridget Kromhout
  3. 3. @bridgetkromhout …but #opslife#SPSTechJamImage credit: 00abstrahiert99 on Flickr
  4. 4. @bridgetkromhout #SPSTechJam
  5. 5. @bridgetkromhout #SPSTechJam Massively scalable fault-tolerant distributed systems require a significant engineering effort to build and operate; complex socio-technical systems are even more challenging. Computers are easy; people are hard
  6. 6. @bridgetkromhout #SPSTechJam complex ecosystems
  7. 7. @bridgetkromhout #SPSTechJam Image credit: visual_dichotomy on Flickr “In the last week there were 67 deploys of 496 changes by 18 people”
  8. 8. @bridgetkromhout #SPSTechJam quoted in “10+ Deploys Per Day: Dev and Ops Cooperation at Flickr” at Velocity 2009 John Allspaw & Paul Hammond Flickr Dev Blog, December 17th 2008 Image credit: visual_dichotomy on Flickr “In the last week there were 67 deploys of 496 changes by 18 people”
  9. 9. @bridgetkromhout #SPSTechJam Not the goal: resumé-driven development
  10. 10. @bridgetkromhout #SPSTechJam The goal: shorter time from idea to value Image credit: leadliasionImage credit: thebigword
  11. 11. @bridgetkromhout #SPSTechJam How do we get to the goal?
  12. 12. @bridgetkromhout #SPSTechJam Legacy: your customers & money live here
  13. 13. @bridgetkromhout #SPSTechJam “It’s not necessary to change. Survival is not mandatory.” W. Edwards Deming
  14. 14. @bridgetkromhout #SPSTechJam just say no to “awesome mode” vs “sad mode” Image credit: stock bimodal IT?!?
  15. 15. @bridgetkromhout #SPSTechJam tools: necessary but not sufficient
  16. 16. @bridgetkromhout #SPSTechJam 91F: yolo into production! samizdat.cc/cyoa yolo!
  17. 17. @bridgetkromhout #SPSTechJam containers : a means, not an end
  18. 18. @bridgetkromhout #SPSTechJam architectural considerations
  19. 19. @bridgetkromhout #SPSTechJam complexity isn’t the goal Image credit: wikimedia
  20. 20. @bridgetkromhout #SPSTechJam Attack Kitten growls about Day 2
  21. 21. @bridgetkromhout #SPSTechJam Attack Kitten Cat Reality Check
  22. 22. @bridgetkromhout #SPSTechJam empathy
  23. 23. @bridgetkromhout #SPSTechJam two-pizza silo
  24. 24. @bridgetkromhout #SPSTechJam The Wall of Confusion
  25. 25. @bridgetkromhout #SPSTechJam The Wall of Confusion yolo nope
  26. 26. @bridgetkromhout #SPSTechJam “Understanding is a three-edged sword” Babylon 5 Ambassador Kosh
  27. 27. @bridgetkromhout #SPSTechJam lower-bandwidth communication: more handshaking
  28. 28. @bridgetkromhout #SPSTechJam for ops, don’t tell devs: gl;hf! do: automate document share
  29. 29. @bridgetkromhout #SPSTechJam for devs, build for operability: observability, debuggability, reality
  30. 30. @bridgetkromhout #SPSTechJam Image credit: James Ernest
  31. 31. @bridgetkromhout #SPSTechJam hard problems & human factors
  32. 32. @bridgetkromhout #SPSTechJam hard problems & human factors
  33. 33. @bridgetkromhout #SPSTechJam
  34. 34. @bridgetkromhout #SPSTechJam communication & disconnects
  35. 35. @bridgetkromhout #SPSTechJam Image credit: Vasa Museet probably fine
  36. 36. @bridgetkromhout #SPSTechJam observability: answering questions we didn’t know to ask
  37. 37. @bridgetkromhout #SPSTechJam understand your environment
  38. 38. @bridgetkromhout #SPSTechJam alerting the right people
  39. 39. @bridgetkromhout #SPSTechJamImage credit: Wikipedia “Any organization that designs a system… will produce a design whose structure is a copy of the organization's communication structure.” Mel Conway
  40. 40. @bridgetkromhout #SPSTechJam inaction is still a choice
  41. 41. @bridgetkromhout #SPSTechJam eight fallacies of distributed computing 1.The network is reliable. 2.Latency is zero. 3.Bandwidth is infinite. 4.The network is secure. 5.Topology doesn’t change. 6.There is one administrator. 7.Transport cost is zero. 8.The network is homogenous.
  42. 42. @bridgetkromhout #SPSTechJam eight fallacies of distributed humans 1.Your personal network is a reliable hiring source. 2.Communication is easy. 3.You can have it all! 4.Safety looks the same for everyone. 5.Your challenges are universal. 6.You’re good at computers; manage people! 7.If you can do it, why can’t they? 8.Tech is a meritocracy.
  43. 43. @bridgetkromhout #SPSTechJam plot twist: ice
  44. 44. @bridgetkromhout #SPSTechJam snow is a feature, not a bug
  45. 45. @bridgetkromhout #SPSTechJam “In a world that celebrates pioneers— be the settlers instead.” — Laura Bell (@lady_nerd)
  46. 46. @bridgetkromhout #SPSTechJam silos are for grain not actually devops still computers
  47. 47. @bridgetkromhout #SPSTechJam devopsdaysmsp.org July 12-13, 2018
  48. 48. @bridgetkromhout #SPSTechJam
  49. 49. @bridgetkromhout #SPSTechJam slides: bridgetkromhout.com/speaking/2018/sps
  • AugustoLara4

    May. 16, 2018

Computers are easy; people are hard (SPS)

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