Our data: apples-to-apples
Node.js application built 2x as fast as Java
Written in fewer lines of code (>33%)
Double the requests / second
35% decrease in response time (↓200ms)
Problems along the way
Node.js adoption at PayPal wasn’t always smooth
Adopting unix / open source philosophies
Large teams with node.js frameworks (kraken.js)
What happened in the end
Customer impact + pilot project + data = ?
Java/Spring app shut down; node.js app live!
Engineers are excited to move to node.js
12+ additional web apps currently being built
All future web applications built on node.js