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

Come funziona Stack Overflow

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Marco Cecconi Marco Cecconi
February 26, 2014
Programming
340
1

Come funziona Stack Overflow

Slide dell'intervento a Community Days 2013

Avatar for Marco Cecconi

Marco Cecconi

February 26, 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
900
L'architettura di Stack Overflow, {codemotion} Milano 2014
Avatar for Marco Cecconi sklivvz
0
700
Stack Overflow - it's all about performance
Avatar for Marco Cecconi sklivvz
2
730
Guerrilla Programming - code.talks 2014
Avatar for Marco Cecconi sklivvz
0
710
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
670
The Architecture of Stack Overflow - Dev Sum 2014
Avatar for Marco Cecconi sklivvz
2
690
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
280

Other Decks in Programming

See All in Programming
開発体験を左右するライブラリの API 設計 - GraphQL スキーマ構築ライブラリから考える #tskaigi
Avatar for izumin5210 izumin5210
2
1.6k
Composerを使ったサプライチェーン攻撃の様子を眺めてみる #phpstudy
Avatar for hideki kinjyo o0h
PRO
2
220
「エンジニアインターン、どうやって取った？」準備のリアルを語るLT会 Progate BAR
Avatar for akio akiomatic
0
120
TypeSpec で繋ぐ複数プロダクトの型安全
Avatar for Mitsui maroon8021
1
360
Old Dog, New Tricks: The Java 25 Reinvention - JNation
Avatar for A N M Bazlur Rahman bazlur_rahman
0
140
Spec-Driven Development with AI-Agents: From High-Level Requirements to Working Software
Avatar for Anton Arhipov antonarhipov
2
440
[2026年度第1回ORセミナー] 計画最適化ベンチャーと競技プログラミング人材
Avatar for terry-u16 terryu16
0
240
LLM Plugin for Node-REDの利用方法と開発について
Avatar for 404background 404background
0
160
技術記事、AIに書かせるか、自分で書くか？ 〜それでも私が自分の手で書く理由〜 / #QiitaConference
Avatar for Junichi Ito jnchito
2
1.3k
Signal Forms: Beyond the Basics @ngBaguette 2026 in Paris
Avatar for Manfred Steyer manfredsteyer
PRO
0
220
Datadog × OpenTelemetry 入門と実践のあいだ
Avatar for Max Kento kn_to_maxpno
1
140
tsserverとは何だったのか、これからどうなるのか
Avatar for Ryota Nakamura nowaki28
1
440

Featured

See All Featured
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
508
140k
Building AI with AI
Avatar for Ines Montani inesmontani
PRO
1
1k
From Legacy to Launchpad: Building Startup-Ready Communities
Avatar for Dug Song dugsong
0
220
Designing for Performance
Avatar for Lara Hogan lara
611
70k
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
Avatar for Aleyda Solis aleyda
1
1.3k
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
62k
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.6k
Making Projects Easy
Avatar for Brett Harned brettharned
120
6.7k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
Automating Front-end Workflow
Avatar for Addy Osmani addyosmani
1370
210k
We Analyzed 250 Million AI Search Results: Here's What I Found
Avatar for Josh Blyskal joshbly
1
1.3k
Navigating the Design Leadership Dip - Product Design Week Design Leaders+ Conference 2024
Avatar for Andy Polaine apolaine
1
340

Transcript

  1. #CDays14 – Milano 25, 26 e 27 Febbraio 2014 COME

    FUNZIONA STACK OVERFLOW Marco Cecconi @sklivvz http://stackoverflow.com/

  2. Come Funziona Marco Cecconi @sklivvz [email protected]

  3. None
  4. None

  5. 54° network per traffico a livello globale* …and 15° in

    Italia, grazie! *source: Quantcast, Alexa

  6. 544,408,192 pagine servite negli ultimi 30 giorni* (~200,000,000 in piú

    rispetto a Febbraio 2013) *source: Quantcast
  7. None

  8. web servers load balancers redis search database http(s) http rest

    http protobuf sql sql protobuf tag engine
  9. None
  10. None

  11. Stiamo ancora scalando “in su”…

  12. YAGNI* Funziona. * You Ain’t Gonna Need It!

  13. Pochi progetti :-)

  14. Pochi progetti :-) Poche linee di codice :-)

  15. Pochi progetti :-) Poche linee di codice :-) Eeek! Pochissimi

    test :-S

  16. Few projects :-) Few lines of code :-) Fantastica comunità

    che ci aiuta :-D Eeek! very few tests :-S

  17. BATCAVERNA

  18. DEV.SO BATCAVERNA

  19. META.SO DEV.SO BATCAVERNA

  20. META.SO DEV.SO BATCAVERNA

  21. META.SO NETWORK DEV.SO BATCAVERNA

  22. Via veloce e spacca tutto

  23. Via veloce e spacca tutto* * Non la home page

    o le domande :-)

  24. * Non la home page o le domande :-) Via

    veloce e spacca tutto*

  25. Cache a livello di rete (Browser, CDN, ecc.) Cache in

    memoria server (HttpRuntime.Cache) Cache in memoria distribuita (Redis) Cache in memora SQL Server (384 giga di RAM!) Dischi a stato solido
  26. None
  27. None
  28. None
  29. None
  30. None

  31. * Fonte http://it.wikipedia.org/wiki/Reinventare_la_ruota

  32. None
  33. None
  34. None

  35. Reinventiamo ruote migliori! Liberiamo il sorgente delle ruote!

  36. None

  37. <3 I NERD

  38. PROGRAMMIAMO SUL NUDO METALLO \m/

  39. ASSUMIAMO IL MIGLIOR TALENTO, OVUNQUE

  40. BAT CAVERNA

  41. Ir=kag=omz=pqoapq=ftue,=ymknq=iq=omz=fmxw=vane1Zewxuhhl&efmowahqdrxai.oay $_='@mk=uf=radimdp1Z--&ewxuhhl';tr/=1m-za-l@&Z/ !a-zP@\n/&print; Marco Cecconi @sklivvz [email protected] Domande?

  42. #CDays14 – Milano 25, 26 e 27 Febbraio 2014 Grazie

    a Sponsor

  43. #CDays14 – Milano 25, 26 e 27 Febbraio 2014 Q&A

    Tutto il materiale di questa sessione su http://www.communitydays.it/ Lascia il feedback su questa sessione, potrai essere estratto per i nostri premi! Seguici su Twitter @CommunityDaysIT Facebook http://facebook.com/cdaysit #CDays14