Building a scalable infrastructure for social mobile web apps

1. Building a scalable infrastructure for
social mobile/web apps
Ngon Pham
http://www.ngonpham.com

2. Content
• System Architecture
• Database
• Web Server
• Web/Mobile Apps
• Demo

3. System Architecture
Web
Server
Database
Browser
Mobile

4. Database
• Relational Database: MySQL Cluster, PostgreSQL
• NoSQL: MongoDB, Cassandra, FlockDB
• 3rd
party: Google AppEngine, Amazon SimpleDB

5. Database
• MySQL Cluster
• Strength
• Relational Database
• Many support tools
• Weakness
• Difficult to extend (add columns)
• Complex architecture

6. Database

7. Database
• MongoDB (NoSQL)
• Strength
• Implement some relational
database features
• Easy to extend (add columns)
• Simple architecture
• Weakness
• Newcomer
• Lack support tools

8. Database
• Google AppEngine
• Strength
• Transparent scalability to developer
• Easy maintenance
• Weakness
• Lock-in data
• Lack many tools support

9. Web Server
• Apache HTTP Server
• PHP
• Python
• …
• Apache Tomcat
• Java

10. Web Server
Tomcat Tomcat Tomcat Tomcat Tomcat
Load balancer

11. • Web Apps
• Google Web Toolkit
• Mobile Apps
• iPhone
• Android
Mobile Web/Apps
Web
Server
Web, Mobile
JSON

12. Demos
• MongoDB
• Tomcat with Load-Balancer
• Amazon EC2
• Google App Engine

13. Thank you!