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
Rails with Node.js - a Reese's Moment
Search
Jerry Cheung
September 26, 2011
Programming
1
490
Rails with Node.js - a Reese's Moment
Introduction to Node.js and how to use it alongside Rails.
Jerry Cheung
September 26, 2011
Tweet
Share
More Decks by Jerry Cheung
See All by Jerry Cheung
Let's Build Software!
jch
3
160
Evented Ruby vs. Node.js
jch
9
1.9k
Streaming APIs with Ruby
jch
5
640
Evented Ruby vs Node.js
jch
15
4k
Sproutcore Introduction @ LAHN
jch
1
150
Other Decks in Programming
See All in Programming
Ruby×iOSアプリ開発 ~共に歩んだエコシステムの物語~
temoki
0
340
AWS発のAIエディタKiroを使ってみた
iriikeita
1
190
はじめてのMaterial3 Expressive
ym223
2
880
詳解!defer panic recover のしくみ / Understanding defer, panic, and recover
convto
0
250
Android端末で実現するオンデバイスLLM 2025
masayukisuda
1
170
HTMLの品質ってなんだっけ? “HTMLクライテリア”の設計と実践
unachang113
4
2.9k
go test -json そして testing.T.Attr / Kyoto.go #63
utgwkk
3
310
複雑なフォームに立ち向かう Next.js の技術選定
macchiitaka
2
180
為你自己學 Python - 冷知識篇
eddie
1
350
MCPでVibe Working。そして、結局はContext Eng(略)/ Working with Vibe on MCP And Context Eng
rkaga
5
2.3k
testingを眺める
matumoto
1
140
Updates on MLS on Ruby (and maybe more)
sylph01
1
180
Featured
See All Featured
Mobile First: as difficult as doing things right
swwweet
224
9.9k
A designer walks into a library…
pauljervisheath
207
24k
Designing for Performance
lara
610
69k
Rebuilding a faster, lazier Slack
samanthasiow
83
9.2k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.4k
Art, The Web, and Tiny UX
lynnandtonic
303
21k
KATA
mclloyd
32
14k
Practical Orchestrator
shlominoach
190
11k
Scaling GitHub
holman
463
140k
Unsuck your backbone
ammeep
671
58k
Writing Fast Ruby
sferik
628
62k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
285
13k
Transcript
Rails with Node.js a Reese’s Moment Monday, September 26, 11
Me Monday, September 26, 11
In a Nutshell Monday, September 26, 11
In a Nutshell • Framework for building network apps Monday,
September 26, 11
In a Nutshell • Framework for building network apps •
First class evented I/O Monday, September 26, 11
In a Nutshell • Framework for building network apps •
First class evented I/O • Built on top of V8 Monday, September 26, 11
What it ain’t Monday, September 26, 11
What it ain’t • NOT a browser side Javascript library
Monday, September 26, 11
What it ain’t • NOT a browser side Javascript library
• NOT a full fledged webapp framework Monday, September 26, 11
A Simple Example Monday, September 26, 11
A Simple Example (1..3).each do |i| contents = File.read('presentation.key') puts
"#{i}. Finished reading file" puts "#{i}. doing something important..." end Monday, September 26, 11
A Simple Example 1. Finished reading file 1. doing something
important... 2. Finished reading file 2. doing something important... 3. Finished reading file 3. doing something important... Monday, September 26, 11
A Simple Example var fs = require('fs'); for (var i=1;
i<=3; i++) { fs.readFile('presentation.key', function(err, data) { console.log(i + ". Finished reading file"); }); console.log(i + ". doing something important..."); } Monday, September 26, 11
A Simple Example var fs = require('fs'); for (var i=1;
i<=3; i++) { fs.readFile('presentation.key', function(err, data) { console.log(i + ". Finished reading file"); }); console.log(i + ". doing something important..."); } Monday, September 26, 11
A Simple Example 1. doing something important... 2. doing something
important... 3. doing something important... 4. Finished reading file 4. Finished reading file 4. Finished reading file Monday, September 26, 11
Trust Callbacks Monday, September 26, 11
Trust Callbacks • Async programming is trickier Monday, September 26,
11
Trust Callbacks • Async programming is trickier • ...But it
doesn’t block your other code Monday, September 26, 11
Go to Jail “Node jails you into this evented- style
programming. You can’t do things in a blocking way, you can’t write slow programs.” - Ryan Dahl Monday, September 26, 11
Some Real Examples Monday, September 26, 11
Some Real Examples • Real-time dashboards and analytics Monday, September
26, 11
Some Real Examples • Real-time dashboards and analytics • Push
notifications Monday, September 26, 11
Some Real Examples • Real-time dashboards and analytics • Push
notifications • Fast file uploads Monday, September 26, 11
Dashboards + Analytics https://github.com/etsy/statsd Monday, September 26, 11
Dashboards + Analytics http://hummingbirdstats.com/ Monday, September 26, 11
Push Notifications https://github.com/mape/node-wargames Monday, September 26, 11
File Uploaders Monday, September 26, 11
File Uploaders • Slow to parse the encoded upload body
Monday, September 26, 11
File Uploaders • Slow to parse the encoded upload body
• Post-processing & background jobs Monday, September 26, 11
File Uploaders require 'sinatra' # curl -F "
[email protected]
" http://localhost:4567/upload post
'/upload' do # already written to params[:data][:tempfile] "" end Monday, September 26, 11
Upload Benchmarks MRI Ruby 1.8.7 and 1.9.2 with Sinatra 1.2.1
Node 0.5.0 2.66 GHz i7 2000 iterations on a 295 byte file Monday, September 26, 11
Upload Benchmarks MRI Ruby 1.8.7 and 1.9.2 with Sinatra 1.2.1
Node 0.5.0 2.66 GHz i7 2000 iterations on a 295 byte file Monday, September 26, 11
Upload Benchmarks MRI Ruby 1.8.7 and 1.9.2 with Sinatra 1.2.1
Node 0.5.0 2.66 GHz i7 2000 iterations on a 295 byte file Ruby 67 minutes 3.5 seconds Node 23.9 seconds Monday, September 26, 11
Upload Benchmarks MRI Ruby 1.8.7 and 1.9.2 with Sinatra 1.2.1
Node 0.5.0 2.66 GHz i7 2000 iterations on a 295 byte file Ruby 67 minutes 3.5 seconds Node 23.9 seconds Monday, September 26, 11
Upload Benchmarks MRI Ruby 1.8.7 and 1.9.2 with Sinatra 1.2.1
Node 0.5.0 2.66 GHz i7 2000 iterations on a 295 byte file Ruby 67 minutes 3.5 seconds Node 23.9 seconds Monday, September 26, 11
Upload Benchmarks MRI Ruby 1.8.7 and 1.9.2 with Sinatra 1.2.1
Node 0.5.0 2.66 GHz i7 2000 iterations on a 295 byte file Ruby 67 minutes 3.5 seconds Node 23.9 seconds Monday, September 26, 11
No Silver Bullet Monday, September 26, 11
No Silver Bullet • Not a replacement for Ruby Monday,
September 26, 11
No Silver Bullet • Not a replacement for Ruby •
Use where it makes sense Monday, September 26, 11
No Silver Bullet • Not a replacement for Ruby •
Use where it makes sense • Doesn’t guarantee scalability Monday, September 26, 11
Wrapup Monday, September 26, 11
Wrapup • Server side Javascript rules! Monday, September 26, 11
Wrapup • Server side Javascript rules! • Event driven style
of programming Monday, September 26, 11
Wrapup • Server side Javascript rules! • Event driven style
of programming • Good for specific problems Monday, September 26, 11
Thanks! Questions?
[email protected]
@whatcodecraves http://whatcodecraves.com Monday, September 26, 11