opscode-cookbooks/passenger_apache2 — pull request #29 by klamontagne (2014-08-14 17:49:24+00:00)
Title: Add an attribute for PassengerMaxRequestQueueSize

https://www.phusionpassenger.com/documentation/Users%20guide%20Apache.html#PassengerMaxRequestQueueSize

There is no default value, it's unset.