Not sure what is happening, probably Apache mod proxy is not configured well enough, since the machine is idle, and the Ruby process serving the requests is idle as well...

EDIT: Btw current deployment is "ruby app.rb" + Apache mod_proxy. Not stellar...

EDIT2: Problem found, was running via WEBrick since Mongrel was uninstalled for error from the server.

I think he means not 'responding', not complaining the website doesn't resize for different screen sizes (responsive).

Responsive meant that before the graphics design crowd took it over.