Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Come funziona Stack Overflow
Search
Marco Cecconi
February 26, 2014
Programming
340
1
Share
Come funziona Stack Overflow
Slide dell'intervento a Community Days 2013
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
sklivvz
0
890
L'architettura di Stack Overflow, {codemotion} Milano 2014
sklivvz
0
690
Stack Overflow - it's all about performance
sklivvz
2
720
Guerrilla Programming - code.talks 2014
sklivvz
0
690
The Architecture of Stack Overflow - Merge Lisbon 2014
sklivvz
4
420
The Architecture of Stack Overflow - Info Share 2014
sklivvz
3
670
The Architecture of Stack Overflow - Dev Sum 2014
sklivvz
2
670
The Architecture of Stack Overflow - QCon Japan 2014
sklivvz
2
250
The Architecture of StackOverflow - QCon China 2014
sklivvz
1
270
Other Decks in Programming
See All in Programming
ハーネスエンジニアリングにどう向き合うか 〜ルールファイルを超えて開発プロセスを設計する〜 / How to approach harness engineering
rkaga
23
13k
ルールルルルルRubyの中身の予備知識 ── RubyKaigiの前に予習しなイカ?
ydah
1
180
iOS機能開発のAI環境と起きた変化
ryunakayama
0
180
Oxlintとeslint-plugin-react-hooks 明日から始められそう?
t6adev
0
270
mruby on C#: From VM Implementation to Game Scripting (RubyKaigi 2026)
hadashia
2
510
セグメントとターゲットを意識するプロポーザルの書き方 〜採択の鍵は、誰に刺すかを見極めるマーケティング戦略にある〜
m3m0r7
PRO
0
550
今こそ押さえておきたい アマゾンウェブサービス(AWS)の データベースの基礎 おもクラ #6版
satoshi256kbyte
1
250
Vibe NLP for Applied NLP
inesmontani
PRO
0
430
YJITとZJITにはイカなる違いがあるのか?
nakiym
0
220
GNU Makeの使い方 / How to use GNU Make
kaityo256
PRO
16
5.6k
[RubyKaigi 2026] Require Hooks
palkan
1
200
VueエンジニアがReactを触って感じた_設計の違い
koukimiura
0
180
Featured
See All Featured
Getting science done with accelerated Python computing platforms
jacobtomlinson
2
180
Code Reviewing Like a Champion
maltzj
528
40k
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
inesmontani
PRO
3
2.1k
Visual Storytelling: How to be a Superhuman Communicator
reverentgeek
2
510
Site-Speed That Sticks
csswizardry
13
1.2k
The SEO identity crisis: Don't let AI make you average
varn
0
440
Become a Pro
speakerdeck
PRO
31
5.9k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
2.8k
KATA
mclloyd
PRO
35
15k
Statistics for Hackers
jakevdp
799
230k
A Tale of Four Properties
chriscoyier
163
24k
Design in an AI World
tapps
1
200
Transcript
#CDays14 – Milano 25, 26 e 27 Febbraio 2014 COME
FUNZIONA STACK OVERFLOW Marco Cecconi @sklivvz http://stackoverflow.com/
Come Funziona Marco Cecconi @sklivvz
[email protected]
None
None
54° network per traffico a livello globale* …and 15° in
Italia, grazie! *source: Quantcast, Alexa
544,408,192 pagine servite negli ultimi 30 giorni* (~200,000,000 in piú
rispetto a Febbraio 2013) *source: Quantcast
None
web servers load balancers redis search database http(s) http rest
http protobuf sql sql protobuf tag engine
None
None
Stiamo ancora scalando “in su”…
YAGNI* Funziona. * You Ain’t Gonna Need It!
Pochi progetti :-)
Pochi progetti :-) Poche linee di codice :-)
Pochi progetti :-) Poche linee di codice :-) Eeek! Pochissimi
test :-S
Few projects :-) Few lines of code :-) Fantastica comunità
che ci aiuta :-D Eeek! very few tests :-S
BATCAVERNA
DEV.SO BATCAVERNA
META.SO DEV.SO BATCAVERNA
META.SO DEV.SO BATCAVERNA
META.SO NETWORK DEV.SO BATCAVERNA
Via veloce e spacca tutto
Via veloce e spacca tutto* * Non la home page
o le domande :-)
* Non la home page o le domande :-) Via
veloce e spacca tutto*
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
None
None
None
None
None
* Fonte http://it.wikipedia.org/wiki/Reinventare_la_ruota
None
None
None
Reinventiamo ruote migliori! Liberiamo il sorgente delle ruote!
None
<3 I NERD
PROGRAMMIAMO SUL NUDO METALLO \m/
ASSUMIAMO IL MIGLIOR TALENTO, OVUNQUE
BAT CAVERNA
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?
#CDays14 – Milano 25, 26 e 27 Febbraio 2014 Grazie
a Sponsor
#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