Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Stack Overflow - it's all about performance

Avatar for Marco Cecconi Marco Cecconi
November 07, 2014
Programming
730
2

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

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
910
L'architettura di Stack Overflow, {codemotion} Milano 2014
Avatar for Marco Cecconi sklivvz
0
720
Guerrilla Programming - code.talks 2014
Avatar for Marco Cecconi sklivvz
0
730
The Architecture of Stack Overflow - Merge Lisbon 2014
Avatar for Marco Cecconi sklivvz
4
430
The Architecture of Stack Overflow - Info Share 2014
Avatar for Marco Cecconi sklivvz
3
680
The Architecture of Stack Overflow - Dev Sum 2014
Avatar for Marco Cecconi sklivvz
2
710
The Architecture of Stack Overflow - QCon Japan 2014
Avatar for Marco Cecconi sklivvz
2
260
The Architecture of StackOverflow - QCon China 2014
Avatar for Marco Cecconi sklivvz
1
300
The Localization of Stack Overflow- QCon China 2014
Avatar for Marco Cecconi sklivvz
1
440

Other Decks in Programming

See All in Programming
Augmenting AI with the Power of Jakarta EE
Avatar for ivargrimstad ivargrimstad
0
160
iOSDC2026登壇資料.pdf
Avatar for RioFujimon riofujimon
0
170
選挙速報を多くのユーザーへ 届ける Live Activities 設計
Avatar for kengo saito hamayokokuririn
0
140
The Good Stuff, Not the Slop: Engineering High-Quality Android Apps with Modern AI Tooling
Avatar for danybony danybony
1
250
Java 27新機能 / Java 27 new features
Avatar for Naoki Kishida kishida
2
150
巨大モノリシックアプリ モダン化大作戦
Avatar for Ryomm ktcryomm
1
1k
GraphRAGのKnowledge Graphを 直接！見る/View-GraphRAG's-KnowledgeGraph-directly!
Avatar for tyumugiko tyumugi1113
1
340
動作中のプログラムの中身をリアルタイムに覗く / Realtime Debugger for CSharp with Roslyn
Avatar for Prota prota
1
320
[GoCon2026] When Goroutines Are Not Enough: Runtime Locality in High-Throughput Go
Avatar for Takeru Hayasaka takehaya
6
2.3k
AI × TiDD / 2026.09.05 Redmine 大阪
Avatar for tokudiro tokudiro
1
170
Augmenting AI with the Power of Jakarta EE
Avatar for ivargrimstad ivargrimstad
0
140
【高い買い物LT会】初任給で話題の国産フィジカルAIを買った話
Avatar for 赤神青空 akagami
PRO
0
160

Featured

See All Featured
WENDY [Excerpt]
Avatar for Tessa Abrams tessaabrams
14
39k
HDC tutorial
Avatar for Michiel Stock michielstock
2
870
Pawsitive SEO: Lessons from My Dog (and Many Mistakes) on Thriving as a Consultant in the Age of AI
Avatar for David Carrasco davidcarrasco
0
240
Code Reviewing Like a Champion
Avatar for maltzj maltzj
528
40k
Intergalactic Javascript Robots from Outer Space
Avatar for Vicent Martí tanoku
273
27k
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
9
1k
Designing for humans not robots
Avatar for Tammie Lister tammielis
254
26k
JAMstack: Web Apps at Ludicrous Speed - All Things Open 2022
Avatar for David Neal reverentgeek
1
600
Evolving SEO for Evolving Search Engines
Avatar for Ryan Jones ryanjones
0
300
We Have a Design System, Now What?
Avatar for Morgane Peng morganepeng
55
8.3k
The innovator’s Mindset - 
Leading Through an Era of Exponential Change - McGill University 2025
Avatar for Jean-Marc De Jonghe jdejongh
PRO
1
340
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
75
12k

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!