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

Come funziona Stack Overflow

Avatar for Marco Cecconi Marco Cecconi
February 26, 2014
Programming
1
330

Come funziona Stack Overflow

Slide dell'intervento a Community Days 2013
Avatar for Marco Cecconi

Marco Cecconi

February 26, 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
880
L'architettura di Stack Overflow, {codemotion} Milano 2014
Avatar for Marco Cecconi sklivvz
0
650
Stack Overflow - it's all about performance
Avatar for Marco Cecconi sklivvz
2
710
Guerrilla Programming - code.talks 2014
Avatar for Marco Cecconi sklivvz
0
650
The Architecture of Stack Overflow - Merge Lisbon 2014
Avatar for Marco Cecconi sklivvz
4
410
The Architecture of Stack Overflow - Info Share 2014
Avatar for Marco Cecconi sklivvz
3
650
The Architecture of Stack Overflow - Dev Sum 2014
Avatar for Marco Cecconi sklivvz
2
620
The Architecture of Stack Overflow - QCon Japan 2014
Avatar for Marco Cecconi sklivvz
2
240
The Architecture of StackOverflow - QCon China 2014
Avatar for Marco Cecconi sklivvz
1
250

Other Decks in Programming

See All in Programming
初学者でも今すぐできる、Claude Codeの生産性を10倍上げるTips
Avatar for Oikon s4yuba
16
11k
dbt民主化とLLMによる開発ブースト ~ AI Readyな分析サイクルを目指して ~
Avatar for yosh_yumyum yoshyum
3
1k
AIと”コードの評価関数”を共有する / Share the "code evaluation function" with AI
Avatar for Shintani Teppei euglena1215
1
170
プロダクト志向なエンジニアがもう一歩先の価値を目指すために意識したこと
Avatar for Nealle nealle
0
130
明示と暗黙 ー PHPとGoの インターフェイスの違いを知る
Avatar for shimabox shimabox
2
510
Modern Angular with Signals and Signal Store: New Rules for Your Architecture @enterJS Advanced Angular Day 2025
Avatar for Manfred Steyer manfredsteyer
PRO
0
220
A2A プロトコルを試してみる
Avatar for azukiazusa azukiazusa1
2
1.4k
20250704_教育事業におけるアジャイルなデータ基盤構築
Avatar for Uchide Hiroki(ucchi-) hanon52_
5
790
技術同人誌をMCP Serverにしてみた
Avatar for 74th(Atsushi Morimoto) 74th
1
650
効率的な開発手段として VRTを活用する
Avatar for Yosuke Ishikawa ishkawa
0
140
ソフトウェア品質を数字で捉える技術。事業成長を支えるシステム品質の マネジメント
Avatar for takuya542 takuya542
1
13k
ruby.wasmで多人数リアルタイム通信ゲームを作ろう
Avatar for lni_T lnit
3
490

Featured

See All Featured
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
Avatar for Tammy Everts tammyeverts
6
300
A designer walks into a library…
Avatar for Paul Jervis Heath pauljervisheath
207
24k
What’s in a name? Adding method to the madness
Avatar for Product Marketing Alliance productmarketing
PRO
23
3.5k
No one is an island. Learnings from fostering a developers community.
Avatar for Antonio thoeni
21
3.4k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
Avatar for Kevin Liebholz kevinliebholz
34
5.9k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
Avatar for Irina Nazarova irinanazarova
8
820
The Language of Interfaces
Avatar for Des Traynor destraynor
158
25k
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
223
9.7k
A Modern Web Designer's Workflow
Avatar for Chris Coyier chriscoyier
695
190k
Dealing with People You Can't Stand - Big Design 2015
Avatar for Cassini Nazir cassininazir
367
26k
Faster Mobile Websites
Avatar for Dean Hume deanohume
307
31k
The Invisible Side of Design
Avatar for Vitaly Friedman smashingmag
301
51k

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