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amazinx. AWS. + Cloud service - IaaS & PaaS + So many solutions - ELB (Elastic Load Balancer) : vertual server - EC2 (Elastic Compute Cloud) - S3 (Simple Storage Service) - RDS (Relational Database Service) - Route 53 : DNS system

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slide2
AWS

+ Cloud service

- IaaS & PaaS

+ So many solutions

- ELB (Elastic Load Balancer) : vertual server

- EC2 (Elastic Compute Cloud)

- S3 (Simple Storage Service)

- RDS (Relational Database Service)

- Route 53 : DNS system

- SWF (Simple Workflow Service)

+ Easy to Use anytime you want

- just make an account, then click some on Management Console

(you can make a program to avoid such operations)

ec2 instances
EC2 instances

+ Micro ($0.027 / h)

613 MB memory

Up to 2 EC2 Compute Units (for short periodic bursts)

I/O Performance: Low

+ …

+ Cluster compute eight extra large ($2.400 / h)

60.5 GB of memory

88 EC2 Compute Units (2 x Intel Xeon E5-2670

, eight-core "Sandy Bridge" architecture)

3370 GB of instance storage

I/O Performance: Very High (10 Gigabit Ethernet)

(6000 yen / month for full “personal” use,

we can get the relevant VPS for 1000yen /month, I guess. )

free tier
Free Tier

+ new AWS user can get these free use

each month for one year

- 750 hours of EC2 Micro instance usage

- 750 hours of Elastic Load Balancing plus 15 GB data processing

- 30 GB of Amazon Elastic Block Storage (EBS)

plus 2 million IOs and 1 GB snapshot storage

- …

+ So, without any payment, you can run

- 1 Micro instance for a full year without stop

or

- 4500 Micro instance for 10 min / every month

Why don’t u try it ?

Getting Started Guide AWS Free Usage Tier

http://docs.amazonwebservices.com/gettingstarted/latest/awsgsg-freetier/TestDriveFreeTier.html

nginx
Nginx

+ HTTP and reverse proxy server

(also supports SMTP, POP3, IMAP)

+ aiming high performance

- low memory usage

- simultaneous connection

- asynchronous event driven server (like Lighttpd)

not thread or process oriented

+ limited functions

- no Dynamic Shared Object of Apache

remarks
remarks

“Apache is like Microsoft Word,

it has a million options but you only need six.

Nginx does those six things,

and it does five of them 50 times faster than Apache.”

- Chris Lea @ WordCamp SF 2008

performance
performance

+ at certain situation (just copied from the site...orz)

- CENTOS 5.1

- Dual 2.4GHz Xeon CPUs

- 4GB RAM

- RAID5 (4 x 15k disks)

- Server and test client were connected via a consumer grade 10/100 switch

- Keepalive turned on and with timeout of 15 seconds

- GZIP turned on

Apache vsNginx : Web Server Performance Deathmatch

http://joeandmotorboat.com/2008/02/28/apache-vs-nginx-web-server-performance-deathmatch/

simple ex 1
simple ex. 1

+ Just use S3

- we can host website on Amazon Simple Storage Service

doc : http://docs.amazonwebservices.com/AmazonS3/latest/dev/WebsiteHosting.html

movie : http://awsdocvideos.s3.amazonaws.com/S3/HostingWebsites/S3_Hosting_Website.html

simple ex 2
simple ex. 2

+ CloudFront in front of S3 or web server

- speeds up distribution of your web content

doc : http://docs.amazonwebservices.com/AmazonCloudFront/latest/DeveloperGuide/Introduction.html

CloudFront

or

or

EC2

slide12
but

+ suppose

- I (you?) don’t know, which size of images are suit for the target web page…

- so many devices, so many display size, so many design changes,

do we have to prepare so many types of image continuously ???

more useful system is needed.

: dynamically respond requested image

without any upload operation

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