Scaling JEE Apps on EC2
Practical Insights
Copyright (c) 2009, Pramati Technologies Private Limited. Imaginea is a Pramati business. All
trade names and trade marks are owned by their respective owners
11/5/2009 1

Scalable Apps on EC2
• Strong Experience of JEE and Deployment
• Deep know how of performance & clustering
strategies
• Have been running our heavy-duty Dekoh servers on
EC2
– Solid Experience in Cloud Computing for consumer apps
• Built custom software for managing business on
Amazon EC2
– Monitoring Tools & Alert Framework to know when a new
EC2 instance (a node) is needed and fires Automation
Scripts to spawn new nodes
– Load Balancer automatically detects the node when it comes
up and distributes load to that new node
2 11/5/2009 Copyright © MiddlewareWorks

JEE Cloud on EC2
JEE AMI
• Pramati JEE AMI Clustering
– Extension of EC2 to support Transaction Handling
for JEE out-of-box
– Seamless Clustering JEE Cache Manager
• Services to customize
Load Balancer
• Support
Pramati Server Platform
Hardware Provisioning
EC2 Dynamic DNS
Backup on S3

The Deployment architecture
Amazon EC2
login
dekoh.com
contacts
dekoh.org
profile Blog/
WWW Forums/
Wiki
dekoh.net
presence
S3
DNS Linux
/DB data AMI
Dekoh
/AMIs AMIs

Clustering on EC2
New instance
provisioned &
I6
added to cluster
I5
S3
I2 I3 I4
EC2I1 Remote
shell
Load
Balancer
Cacti
System Admin

Dynamic load management
Automated
Scripts
Amazon Services
EC2
Nagios
Monitoring
Tools

DB clustering
EC2 nodes EC2 nodes
App Modularized for EC2
Module A Write data source Master DB
with Write
Replication
Module B Read data source Slave
Instance
Module C Read data source Slave
Instance
Replication
New
New Module New data source Slave
Instance
Load balanced apps

Thank you
info@imaginea.com