Interesting goes against directly what they claim on their own page. Its tested on a four core machine. I'm suspecting the 16 default threads were the problem,

Interesting goes against directly what they claim on their own page. Its tested on a four core machine. I'm suspecting the 16 default threads were the problem, since Unicorn only ran with 4 processes not 16. http://puma.io/ http://puma.io/