Your SlideShare is downloading. ×
Performance test - YaJUG Octobre 2012
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Introducing the official SlideShare app

Stunning, full-screen experience for iPhone and Android

Text the download link to your phone

Standard text messaging rates apply

Performance test - YaJUG Octobre 2012

2,469
views

Published on

talk at the YaJUG - 31 Octobre 2012

talk at the YaJUG - 31 Octobre 2012

Published in: Technology

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
2,469
On Slideshare
0
From Embeds
0
Number of Embeds
7
Actions
Shares
0
Downloads
8
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. DES TESTS DE PERFORMANCES ... MAIS POURQUOI ? YAJUG - Octobre 2012 Claude Falguière @cfalguiere goo.gl/4mmJQmercredi 7 novembre 12
  • 2. CLAUDE FALGUIERE Technical architect http://cfalguiere.wordpress.com Duchess France JUG Leader @cfalguiere +Claude Falguieremercredi 7 novembre 12
  • 3. performance how to persuade your boss design relevant tests be aware of bias prepare for the go livemercredi 7 novembre 12
  • 4. sprint ou marathon Performance ?mercredi 7 novembre 12
  • 5. or capacity speed or volumemercredi 7 novembre 12
  • 6. and availabilitymercredi 7 novembre 12
  • 7. and efficiencymercredi 7 novembre 12
  • 8. attente constaté 2s 6s 8s distance between happy and unhappy It can be measured ...mercredi 7 novembre 12
  • 9. assumed complexity rendering order performance stability ... and it depends on usersmercredi 7 novembre 12
  • 10. 1 We use the most performing frameworks ! 2 Let’s upgrade the CPU 3 Let’s go to the Cloudmercredi 7 novembre 12
  • 11. Performance enhancement Faster Amazon : Google : +100 ms +500 ms -1% sales –20% pages seen costs revenuesmercredi 7 novembre 12
  • 12. Performance enhancement Less calls to the call center costs Less customers in the office savingsmercredi 7 novembre 12
  • 13. Performance enhancement costs Less resources savingsmercredi 7 novembre 12
  • 14. revenues More turnover temps Less costs costs Performance enhancementmercredi 7 novembre 12
  • 15. An endless strugglemercredi 7 novembre 12
  • 16. Individual Group Crowd Behavior under stressmercredi 7 novembre 12
  • 17. Individual Group Crowd Slowness Iterations Volume Wait and timeouts «unit» Test breakdownmercredi 7 novembre 12
  • 18. YSlow Page Speed HTTP Proxymercredi 7 novembre 12
  • 19. mercredi 7 novembre 12
  • 20. Individual Group Crowd race condition contention live/dead locks mimic a few concurrent usersmercredi 7 novembre 12
  • 21. Individu Groupe Foule Capacity bounds Overloading Leaks iso-prod Aging test Load test Failure simulation Peak stress testmercredi 7 novembre 12
  • 22. Sizing according to the capacitymercredi 7 novembre 12
  • 23. REQ-1234 : High performance is requiredmercredi 7 novembre 12
  • 24. Who ? What ? Where ? When ? How ? Why ?mercredi 7 novembre 12
  • 25. High-Risk Essential What are they doing ? Frequent Frequent Frequent Frequentmercredi 7 novembre 12
  • 26. mercredi 7 novembre 12
  • 27. mercredi 7 novembre 12
  • 28. REQ-5678 : Landpage should show up in less than 600 msmercredi 7 novembre 12
  • 29. Time Serie and distributionmercredi 7 novembre 12
  • 30. Unaware of Striking Rare 90% des relevés Moyenne 1,2s sont < 3,5s Quantile 90% = 3,5smercredi 7 novembre 12
  • 31. Some bad response time Unstable response time Bimodal !? ...mercredi 7 novembre 12
  • 32. Goals and drivers Indicators Scenarios Volumes Datasets Types of test and duration Target platformmercredi 7 novembre 12
  • 33. representativeness Garbage in - Garbage outmercredi 7 novembre 12
  • 34. ias bmercredi 7 novembre 12
  • 35. Find biases to degrade the result Find biases to improve the resultmercredi 7 novembre 12
  • 36. volumes scenario, data, search phrases caches test duration and rate ignore errors ignore uncommon use cases Simplify Arrangemercredi 7 novembre 12
  • 37. Which show better results ? A Bmercredi 7 novembre 12
  • 38. Which shows more errors ? A Bmercredi 7 novembre 12
  • 39. Anticipate Iso-prod Iso-prod not required algorithms load test (capacity) contentions response time robustness reliability on load scalability aging failure simulationmercredi 7 novembre 12
  • 40. Design for failuremercredi 7 novembre 12
  • 41. Test to learnmercredi 7 novembre 12
  • 42. Prepare monitoringmercredi 7 novembre 12
  • 43. Thank you Claude Falguière "Reality is merely an illusion, @cfalguiere albeit a very persistent one. " goo.gl/4mmJQ - Albert Einsteinmercredi 7 novembre 12