title: How to increase the number of threads for Rails using Passenger?
body: <p>I have a Ruby on Rails application that gets an extremely high volume of requests at very specific times, and sometimes Passenger's request queue goes above 100 and users get a 503.</p>
  
  <p>How do I set a higher number of threads?</p>
  
  <p>I am using Passenger and Nginx, deploying with Capistrano using the capistrano-passenger gem.</p>