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
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
690
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
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

Other Decks in Programming

See All in Programming
RubyとGoでゼロから作る証券システム： 高信頼性が求められるシステムのコードの外側にある設計と運用のリアル
Avatar for free_world21 free_world21
0
210
日本だけで解禁されているアプリ起動の方法
Avatar for Ryu-nakayama ryunakayama
0
370
コーディングルールの鮮度を保ちたい / keep-fresh-go-internal-conventions
Avatar for NAGATA Hiroaki handlename
0
150
あなたはユーザーではない #PdENight
Avatar for Takuma Kajikawa kajitack
4
300
CDIの誤解しがちな仕様とその対処TIPS
Avatar for futokiyo futokiyo
0
170
Takumiから考えるSecurity_Maturity_Model.pdf
Avatar for gessy0129 gessy0129
1
120
クライアントワークでSREをするということ。あるいは事業会社におけるSREと同じこと・違うこと
Avatar for nnaka2992 nnaka2992
1
310
ベクトル検索のフィルタを用いた機械学習モデルとの統合 / python-meetup-fukuoka-06-vector-attr
Avatar for monochromegane monochromegane
2
320
ご飯食べながらエージェントが開発できる。そう、Agentic Engineeringならね。
Avatar for yoko / Naoki Yokomachi yokomachi
1
280
PostgreSQL を使った快適な go test 環境を求めて
Avatar for Kotaro Otaka otakakot
0
400
Rubyと楽しいをつくる / Creating joy with Ruby
Avatar for chobishiba chobishiba
0
200
The Past, Present, and Future of Enterprise Java
Avatar for ivargrimstad ivargrimstad
0
380

Featured

See All Featured
How to build an LLM SEO readiness audit: a practical framework
Avatar for Nick Samuel nmsamuel
1
660
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
331
21k
ピンチをチャンスに：未来をつくるプロダクトロードマップ #pmconf2020
Avatar for Aki / @LoveIdahoBurger aki_iinuma
128
55k
Applied NLP in the Age of Generative AI
Avatar for Ines Montani inesmontani
PRO
4
2.1k
Bridging the Design Gap: How Collaborative Modelling removes blockers to flow between stakeholders and teams @FastFlow conf
Avatar for Kenny Baas-Schwegler baasie
0
470
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
34
2.6k
Leo the Paperboy
Avatar for Maya Tellez mayatellez
4
1.5k
The AI Search Optimization Roadmap by Aleyda Solis
Avatar for Aleyda Solis aleyda
1
5.4k
Documentation Writing (for coders)
Avatar for Carmen Chung carmenintech
77
5.3k
Money Talks: Using Revenue to Get Sh*t Done
Avatar for Nikki Halliwell nikkihalliwell
0
170
Rails Girls Zürich Keynote
Avatar for Gregor Martynus gr2m
96
14k
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.3k

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