Scaling node.js to 100k concurrent connections!

“That’s right, 100,004 active connections! Note the low %CPU and %MEM numbers in the picture. To be fair, the CPU usage does wander between about 5% and 40% – but it’s also not a very beefy box. This is on a $0.12/hr rackspace 2GB cloud server…”

http://blog.caustik.com/2012/04/08/scaling-node-js-to-100k-concurrent-connections/