Passenger tweaks

gistfile1.txt

# /etc/httpd/conf.d/05-foreman-ssl.conf

  PassengerAppRoot /usr/share/foreman
  PassengerRuby /usr/bin/tfm-ruby
  PassengerMinInstances 5
  PassengerStartTimeout 600
  PassengerPreStart https://<FQDN>
  
# https://www.phusionpassenger.com/library/config/apache/optimization/
# /etc/httpd/conf.d/passenger_tunnings.conf 

<IfModule mod_passenger.c>
   PassengerMaxPoolSize 15 #depends on the number of cpus and memory
   PassengerMaxRequestQueueSize 300 # ^same as above
   
   PassengerStatThrottleRate 120

   # this is an important that kills the thread if idle instead waiting 5 minutes (default)
   # this must be combined with PassengerMinInstances to guarantee that always a thread will available
   PassengerPoolIdleTime  15 
   PassengerMaxPreloaderIdleTime 0

   PassengerLogLevel 1
   PassengerLogFile /var/log/httpd/passenger.log

</IfModule>