title: How to limit Phusion Passenger memory usage?
body: <p>Is there a way to limit the amount of memory Phusion Passenger uses when serving up your app? </p>
  
  <p>My host comes by and kills the process after I get a bunch of traffic and so I end up serving up blank pages. Is there anything I can do to say "hey don't use any more than 100Mb and only spawn 3 processes no matter how overloaded the site is"</p>