Cloud Computing boot camp

on the Google App Engine

by Matthew McCullough of Ambient Ideas, LLC

http://flushirts.spreadshirt.com/us/US/Shop/

➊

1960

circa 2 0 0 0

What is the Cloud?

Scalable

Dynamic

Pay-per-use

Stateless

Affinity-less

Scale up

Scale down

Grid

Why the Cloud?

Cost of startup

Experimentation

Transition to Production

No licensing fees

Instant Availability

What’s the most expensive item on a

startup’s balance sheet?

You!

Server setup

Server destruction

Time savings

Developer & Consultant Time

Cloud Players

Google App Engine

Rackspace Mosso

Mor.ph

Amazon EC2

Levels of Abstraction

Any language?

Ruby?

Java?

PHP?

Python?

Anything?

OS Images

or Predetermined

or Abstracted

File Systems

Mor.phTraditional File System

Amazon EC2S3 Buckets

Amazon EC2Elastic Block Storage

Rackspace MossoTraditional File System

Google App EngineN/A

Databases

Amazon EC2Simple DB

Amazon EC2IBM DB2

Google App EngineBig Table

Mor.phPostgreSQL

Mor.phMySQL

MossoMySQL

MossoMicrosoft SQL Server

Mosso<any db>

Operating Systems

Windows Serveron Amazon EC2

1000 variants of Linuxon Amazon EC2

CentOS Linuxon Mor.ph

Debian, Fedora, Ubuntuon Mosso

<obfuscated>on Google App Engine

Pricing

Amazon EC2

Mosso

Mor.ph

$1500/month

Mor.phFree human inside

specially marked boxes!

Google App Engine

Google App Engine

We’ll give it away free and make it up in volume!

➋

Google App Engine

April 8th, 2008

small company

Python!

April 7th, 2009

Java!

But more like

Java!⅘

Getting Started with

GAE

Free to start

Cell Phone #

Regular Google Account

10,000 first wave

obsessed

95 minutes

25,000 second wave

Ideas & Demos

Mobile Apps

Technology Stack

Servlet API

Jetty

JSPs

Java Mail API

Google Web Toolkit

Authentication

Integration withGoogle Accounts

Admin & User Level Permissions

Java Cache API

JSR-107 / JCache

BigTable

Database

Can import from existing DB

JDO

JPA

No

No Gorm

No Hibernate

No file writing

No threads

lack of server affinity

Who moved my cheese?

Even for sequential requests

No sockets

But... can use URLFetchfor HTTP/HTTPS resources

No JNI

No more than 30s

Ouch!

Custom timeout response

Application ID

Globally Unique

required for deployment

xxxxx.appspot.com

SDK

Shell scripts to manage apps

Source code included

Versioned by the JARs you include

DataNucleus

JDO for BigTable

Subset of JDK 1.6

Custom Class Loaders

“Sandbox”

Whitelist of Classes

Caution!

Can work on desktop,not on GAE

Compression

gzip

Accept-Encoding:gzip

Admin Console

Statistics

Graphs of Usage

System Health

Pay forextreme usage

Daily Budget

Budgetper resource type

Logging

java.util.logging

System.out == infoSystem.err == warning

Log4j

Dev Tools

Eclipse

Jetty Demo Container

Bundled withGWT plugin

Ant

Maven

➌

Ecosphere

Hyperic

Yup, those guys

CloudStatus.com

Mor.ph

Layer on top of EC2

Humans

Eclectic Info

Amazon Mechanical Turk

AmazonElastic Map Reduce

Apache Hadoop

Cloud Fallout

Large Setups more economical to self-host

Out of your hands

Uptime?

Do you trust the vendor?

Persistence can be weird

Give it a try!

Resources

• http://mor.ph

• http://appengine.google.com

• http://mosso.com

• http://aws.amazon.com/ec2/