[ww520]

Java was able to that for the longest time. I remember seeing async io based servers doing 500K or 1M connections per machine in the last ten years. In all cases they needed to reconfigure the OS kernel since that's where the bottleneck was.

[ww520]

A quick search shows that the problem has been shifted to tackle the so called C10M problem, with C1M/second. That was couple years ago. Not sure what the current state is.

http://highscalability.com/blog/2013/5/13/the-secret-to-10-m...

https://mrotaru.wordpress.com/2015/05/20/how-migratorydata-s...