Ruby,
Amazon Web Services
and You
Krzysztof Szafranek, RuPy 2008

The problem

EC2
Elastic Compute Cloud

Processing Power on Demand

Amazon Machine Image (AMI)

Instance

Elastic IP

Zones and regions

Volatile storage

SOAP & REST

RightAws::Ec2

cap ec2onrails:server:deploy_files

Instance type Hourly price
1.7 GB of RAM,
1 Unit,
Small $0.10
160 GB,
32-bit
7.5 GB of RAM,
4 Units,
Large $0.40
850 GB,
64-bit
15 GB of RAM,
8 Units,
Extra Large $0.80
1690 GB,
64-bit
1 EC2 Compute Unit ≈ 1.0-1.2 GHz 2007 Opteron
or 2007 Xeon processor

S3
Simple Storage Service

Unlimited storage

Files: 5 GB

Buckets: 100

Metadata

Keys

Keys
/images/highres/duck.jpg

ACL

USA and Europe

Torrents

AWS::S3
RightAws::S3

attachment_fu
class Photo < ActiveRecord::Base
has_attachment :storage => :s3
end

Pricing

Storage
$0.18 per GB-month
($0.15 in US)

Bandwith (GB price)
In Out
$0.18 0-10 TB
$0.10 $0.16 10-50 TB
$0.13 over 50 TB
Transfer within AWS is free

Requests
PUT, LIST GET and other*
$0.012 per 1,000 $0.012 per 10,000
*DELETE is free

SimpleDB

Fast storage...

...for UTF-8 strings

2 > 10

02 < 10

order by

10 GB, 100 domains

No schema

Automatic indexing

Real-time lookup

RightAws::ActiveSdb

AWS SDB Proxy

class Post < ActiveResource::Base
self.site = \"http://localhost:8888\"
self.prefix = \"/domain/\"
end

GET /domain/posts?query QUERY
GET /domain/post/ID GET ATTRS
POST /domain/post/ID PUT ATTRS
PUT /domain/post/ID PUT ATTRS (replace)
DELETE /domain/post/ID DELETE ATTRS

SQS
Simple Queue Service

Queue
Producers Consumers

Queues

Messages

RightAws::Sqs

Mechanical Turk

Human Intelligence Tasks

Requesters

Workers

Qualifications

SOAP & REST

Google App Engine

Google App Engine
Free* hosting

Google App Engine
Python, GQL, Google Accounts

Google App Engine
Quota Daily limit
Emails 2,000
Bandwith 10,000MB
CPU Megacycles 200,000,000
HTTP Requests 650,000

Google App Engine

AWS
Scalability commoditized?

Thank you!
krzysztof@szafranek.net
CC-licensed photos by: Marcin Wichary
Diego Sevilla Ruiz
Sean Dreilinger
Marcello Perongini
doommeer