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

Stack Overflow - it's all about performance

Avatar for Marco Cecconi Marco Cecconi
November 07, 2014
Programming
2
720

Stack Overflow - it's all about performance

Slides of the presentation given in November 2014 at Øredev

Avatar for Marco Cecconi

Marco Cecconi

November 07, 2014
Tweet

More Decks by Marco Cecconi

See All by Marco Cecconi
Stack Overflow - It's all about performance - Codemotion Rome 2015
Avatar for Marco Cecconi sklivvz
0
890
L'architettura di Stack Overflow, {codemotion} Milano 2014
Avatar for Marco Cecconi sklivvz
0
690
Guerrilla Programming - code.talks 2014
Avatar for Marco Cecconi sklivvz
0
690
The Architecture of Stack Overflow - Merge Lisbon 2014
Avatar for Marco Cecconi sklivvz
4
420
The Architecture of Stack Overflow - Info Share 2014
Avatar for Marco Cecconi sklivvz
3
660
The Architecture of Stack Overflow - Dev Sum 2014
Avatar for Marco Cecconi sklivvz
2
670
The Architecture of Stack Overflow - QCon Japan 2014
Avatar for Marco Cecconi sklivvz
2
250
The Architecture of StackOverflow - QCon China 2014
Avatar for Marco Cecconi sklivvz
1
270
The Localization of Stack Overflow- QCon China 2014
Avatar for Marco Cecconi sklivvz
1
420

Other Decks in Programming

See All in Programming
ロボットのための工場に灯りは要らない
Avatar for watany watany
12
3.2k
メッセージングを利用して時間的結合を分離しよう #phperkaigi
Avatar for Takuma Kajikawa kajitack
3
310
Understanding Apache Lucene - More than just full-text search
Avatar for Alexander Reelsen spinscale
0
140
見せてもらおうか、 OpenSearchの性能とやらを！
Avatar for shunta ichikawa shunta27
1
130
AI活用のコスパを最大化する方法
Avatar for Ochtum ochtum
0
310
nuget-server - あなたが必要だったNuGetサーバー
Avatar for Kouji Matsui kekyo
PRO
0
440
RailsのValidatesをSwift Macrosで再現してみた
Avatar for Takuma Shimizu hokuron
0
120
Windows on Ryzen and I
Avatar for 瀬尾佳隆 seosoft
0
380
Reactive ❤️ Loom: A Forbidden Love Story
Avatar for Francesco Nigro franz1981
2
150
ふつうのRubyist、ちいさなデバイス、大きな一年 / Ordinary Rubyists, Tiny Devices, Big Year
Avatar for chobishiba chobishiba
1
500
The free-lunch guide to idea circularity
Avatar for Holly Cummins hollycummins
0
340
エンジニアの「手元の自動化」を加速するn8n 2026.02.27
Avatar for 西尾義英 symy2co
0
180

Featured

See All Featured
Avoiding the “Bad Training, Faster” Trap in the Age of AI
Avatar for Mike Taylor tmiket
0
110
Lightning talk: Run Django tests with GitHub Actions
Avatar for Sarah Abderemane sabderemane
0
150
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
331
21k
How to build an LLM SEO readiness audit: a practical framework
Avatar for Nick Samuel nmsamuel
1
690
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
790
250k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
34
2.7k
The World Runs on Bad Software
Avatar for Brandon Keepers bkeepers
PRO
72
12k
The Spectacular Lies of Maps
Avatar for Per Axbom axbom
PRO
1
640
Ten Tips & Tricks for a 🌱 transition
Avatar for Manu Carrasco Molina stuffmc
0
91
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
Avatar for mongodb mongodb
49
9.9k
30 Presentation Tips
Avatar for Ian Lurie portentint
PRO
1
260
sira's awesome portfolio website redesign presentation
Avatar for ElsiraPls elsirapls
0
200

Transcript

  1. Marco Cecconi @sklivvz http://sklivvz.com

  2. ARCHITECTURE? WHAT THE HECK IS THAT?

  3. None
  4. None

  5. Grew to 130 sites (+20%) Global site rank went from

    #56 to #44 (-12)
  6. None

  7. *source: Quantcast, Alexa #50-­‐ish  network  for  traffic*   (between imdb.com

    and t.co)
  8. None
  9. None
  10. None
  11. None
  12. None
  13. None
  14. None
  15. None
  16. None
  17. None
  18. None
  19. None
  20. None

  21. http://stackexchange.com/performance

  22. Agile  

  23. BAT!CAVE Code-build-test cycle running on home machine feature requests

  24. BAT!CAVE DEV.SO Test on the real servers git push

  25. BAT!CAVE DEV.SO META.SE 1-click deploy Users test on meta.stackexchange.com (“baking”)

    git push

  26. BAT!CAVE DEV.SO META.SE 1-click deploy HALP! git revert git push

  27. BAT!CAVE DEV.SO NETWORK META.SE 1-click deploy git push 1-click deploy

    It’s live! Tons of users use it…

  28. BAT!CAVE DEV.SO NETWORK META.SE 1-click deploy git push 1-click deploy

    …and provide new feature requests

  29. Move  fast  and  break  things*   * Not the home

    page or question page :-)

  30. Move  fast  and  break  things*   * Not the home

    page or question page :-)

  31. Abusing  caching  

  32. None
  33. None
  34. None

  35. Our  frienemy:   The  Garbage  Collector  

  36. None
  37. None
  38. None
  39. None
  40. None
  41. None

  42. Cache abuse to help GC

  43. None
  44. None

  45. Compiler abuse to help GC

  46. None
  47. None
  48. None
  49. None

  50. IRepository<Order>  orderRepository  =            container.Resolve<IRepository<Order>>();  

      Order  order  =  orderRepository.Get(35); Ye olde dependency injection
  51. None

  52. IRepository<Order>  repository  =      new  ValidatingOrderRepository  (    

         new  SecurityRepository<Order>  (              new  LoggingRepository<Order>  (                  new  CachingRepository<Order>  (                      new  NHibernateRepository<Order>  ()                  )              )          )      );         Order  order  =  repository.Get(35);

  53. Our  source  code  

  54. None
  55. None
  56. None
  57. None
  58. None
  59. None

  60. YAGNI*   * You Ain’t Gonna Need It!

  61. Libraries  and  open  source  

  62. None
  63. None
  64. None

  65. Wrap  code  in  libraries     and  open  source  it

     
  66. None
  67. None

  68. “SUPERHERO” CODING

  69. None

  70. TOOLS LEVEL: “NINJA”

  71. •     Performance  is  a  feature   •     Always.

     Be.  Shipping.   •     Use  your  circumstances.   •     Open  source  your  libraries   •     3  obscenely  big  monitors.     KEY TAKEAWAYS
  72. None

  73. Marco Cecconi @sklivvz http://sklivvz.com we are hiring new ninjas from

    anywhere in the world!