Wow, that sounds really bad. If I understand the message, it seems like you take a heroku/unicorn site offline with something as simple as: ab -n 100 -c 1

Wow, that sounds really bad. If I understand the message, it seems like you take a heroku/unicorn site offline with something as simple as: ab -n 100 -c 100 -p big_file.mov http://site.com/ They should treat this like a zero-day.