Node.js 자바스크립트로 서버사이드 개발하기

: 자바스크립트로 서버사이드 개발하기 2011.07.02OutsideratKSUG

짧은역사

Ryan Dahl 2009년2월9일 “V8을이용한 프로젝트에대한 아이디어가있어” byryan

2009년11월8일JSConf.eu2009node.js발표 버전0.1.16

인기를얻다

3Popularwatched 위

7632 watched

1830npm기준 모듈 http://nithub.duostack.net/

메인스폰서되다

현재버전v0.4.9

윈도우지원예정

는무엇인가?

Server-sideJavaScript

L ive w ire

GWL ive w ire T

GWL ive w ire T Rhino

GWL ive w ire T<scr iptr una Rhino t=”s erver ”>

이번엔진짜서버사이드자바스크립트

컨셉

“동시성을해결하는 가장좋은방법이 뭔지알아요? 동시성을사용하지 않는거에요”맹수

“We’redoingitwrong”-RyanDahl

싱글쓰레드

쓰레드는싸지않다

멀티태스킹하지만한번에하나씩만!!!

이벤트기반

작업을요청하고완료되면돌려받는다

동시접속수에따른초당리퀘스트처리수초당리퀘스트12,000 nginx 9,000 6,000 apache 3,000 0 0 500 1000 1500 2000 2500 3000 3500 4000 동시접속수 http://blog.webfaction.com/a-little-holiday-present

동시접속수에따른메모리사용량MB 40 apache 30 20 10 nginx 0 0 500 1000 1500 2000 2500 3000 3500 4000 동시접속수 http://blog.webfaction.com/a-little-holiday-present

non-blockingI/O

varresult=db.query(select*fromA)//useresult

varresult=db.query(select*fromA)//useresult 블락킹

I/Olatency L1 1ns L2 4.7ns RAM 83ns DISK 13,700,000nsInternet 80,000,000ns http://duartes.org/gustavo/blog/post/what-your-computer-does-while-you-wait

db.query(select*fromA, function(result){//useresult});

비동기I/O

유니버셜랭귀지자바스크립트

CommonJS

require(‘모듈명’)

//app.jsvarapp=module.exports={};//another.jsvaranother=require(‘./app’)

Events

Events HTTP

Events HTTP HTTPS

Events HTTP HTTPSFileSystem

Events HTTP HTTPSFileSystemNet

Events HTTP HTTPSFileSystemNet URL

Events HTTP HTTPSFileSystemNet URL DNS

Events HTTP HTTPSFileSystemNet URL DNS ChildProcess

node.js는V8위에서돌아가는자바스크립트런타임

직접보자!!!

로무엇을할수있는가?

Question???email:outsideris@gmail.comTwitter:@outsiderisBlog:http://blog.outsider.ne.kr

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Node.js 자바스크립트로 서버사이드 개발하기

by Outsider on Jul 03, 2011

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Node.js 자바스크립트로 서버사이드 개발하기 — Presentation Transcript