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
890
L'architettura di Stack Overflow, {codemotion} Milano 2014
Avatar for Marco Cecconi sklivvz
0
680
Stack Overflow - it's all about performance
Avatar for Marco Cecconi sklivvz
2
720
Guerrilla Programming - code.talks 2014
Avatar for Marco Cecconi sklivvz
0
680
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
660
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
270

Other Decks in Programming

See All in Programming
MDN Web Docs に日本語翻訳でコントリビュート
Avatar for uutan1108 ohmori_yusuke
0
210
re:Invent 2025 のイケてるサービスを紹介する
Avatar for maroon1st maroon1st
0
160
実はマルチモーダルだった。ブラウザの組み込みAI🧠でWebの未来を感じてみよう #jsfes #gemini
Avatar for n0bisuke n0bisuke2
3
1.4k
Unicodeどうしてる？ PHPから見たUnicode対応と他言語での対応についてのお伺い
Avatar for てきめん tekimen youkidearitai
PRO
0
190
Grafana：建立系統全知視角的捷徑
Avatar for Blueswen blueswen
0
270
AIによるイベントストーミング図からのコード生成 / AI-powered code generation from Event Storming diagrams
Avatar for nrs nrslib
1
620
「コードは上から下へ読むのが一番」と思った時に、思い出してほしい話
Avatar for HideyukiKitao panda728
PRO
39
26k
Deno Tunnel を使ってみた話
Avatar for すずとも kamekyame
0
310
LLM Çağında Backend Olmak: 10 Milyon Prompt'u Milisaniyede Sorgulamak
Avatar for Selçuk Usta selcukusta
0
140
re:Invent 2025 トレンドからみる製品開発への AI Agent 活用
Avatar for Kohei Yoshikawa yoskoh
0
570
Giselleで作るAI QAアシスタント 〜 Pull Requestレビューに継続的QAを
Avatar for Tadashi Shigeoka codenote
0
330
React 19でつくる「気持ちいいUI」- 楽観的UIのすすめ
Avatar for Hiroshi Morishige himorishige
11
3.3k

Featured

See All Featured
Rebuilding a faster, lazier Slack
Avatar for samanthasiow samanthasiow
85
9.3k
Getting science done with accelerated Python computing platforms
Avatar for Jacob Tomlinson jacobtomlinson
0
88
Tips & Tricks on How to Get Your First Job In Tech
Avatar for Honza Javorek honzajavorek
0
400
What Being in a Rock Band Can Teach Us About Real World SEO
Avatar for Ade Holder 427marketing
0
160
Test your architecture with Archunit
Avatar for Yoan thirion
1
2.1k
How to Build an AI Search Optimization Roadmap - Criteria and Steps to Take #SEOIRL
Avatar for Aleyda Solis aleyda
1
1.8k
State of Search Keynote: SEO is Dead Long Live SEO
Avatar for Ryan Jones ryanjones
0
80
Reality Check: Gamification 10 Years Later
Avatar for Sebastian Deterding codingconduct
0
2k
Dealing with People You Can't Stand - Big Design 2015
Avatar for Cassini Nazir cassininazir
367
27k
Building the Perfect Custom Keyboard
Avatar for Naoto Takai takai
2
670
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
Avatar for Akash Hashmi akashhashmi
0
230
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
21
1.3k

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