How to Fail at Benchmarking

How to Fail at Benchmarking

Devoxx via YouTube Direct link

Introduction

1 of 46

1 of 46

Introduction

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Classroom Contents

How to Fail at Benchmarking

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  1. 1 Introduction
  2. 2 Cassandra
  3. 3 Datastax
  4. 4 Benchmarks
  5. 5 Squid vs Cat
  6. 6 Why this talk
  7. 7 Benchmarking is a people exercise
  8. 8 We have caches everywhere
  9. 9 On our infrastructure we have
  10. 10 Database
  11. 11 Clock resolution
  12. 12 Warming period
  13. 13 Background noise
  14. 14 Windows XP
  15. 15 Average
  16. 16 Capacity
  17. 17 Average Latency
  18. 18 Response Time
  19. 19 How many 9s
  20. 20 Unluckiest users
  21. 21 Measuring response time
  22. 22 Requirements
  23. 23 The good part
  24. 24 Statistics
  25. 25 Yellow Lab Tools
  26. 26 Normal Distribution
  27. 27 Un unskilled
  28. 28 Metrics
  29. 29 HDR histogram
  30. 30 Graphing
  31. 31 Code
  32. 32 Flag
  33. 33 Explanation
  34. 34 Prerun check
  35. 35 Benchmark throughput
  36. 36 Benchmark latency
  37. 37 Benchmark expectations
  38. 38 Outliers
  39. 39 Results
  40. 40 Reality
  41. 41 Latency
  42. 42 Coordinated Emission
  43. 43 Test the tester
  44. 44 The request should have been sent
  45. 45 Another fix
  46. 46 Summary

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