Memory usage of ruby vs ruby-enterprise
Using normal ruby:
--------- Apache processes ----------
PID PPID VMSize Private Name
-------------------------------------
32394 1 12.1 MB 0.2 MB /usr/sbin/httpd.worker
32406 32394 15.3 MB 0.6 MB /usr/sbin/httpd.worker
32455 32394 15.3 MB 0.6 MB /usr/sbin/httpd.worker
32550 32394 15.2 MB 0.5 MB /usr/sbin/httpd.worker
### Processes: 4
### Total private dirty RSS: 1.97 MB
-------- Nginx processes --------
### Processes: 0
### Total private dirty RSS: 0.00 MB
----- Passenger processes -----
PID VMSize Private Name
-------------------------------
32401 3.8 MB 0.3 MB /usr/lib/ruby/gems/1.8/gems/passenger-2.2.11/ext/apache2/ApplicationPoolServerExecutable 0 /usr/lib/ruby/gems/1.8/gems/passenger-2.2.11/bin/passenger-spawn-server /usr/bin/ruby /tmp/passenger.32394
32402 18.7 MB 7.5 MB Passenger spawn server
32414 83.3 MB 54.9 MB Passenger ApplicationSpawner: /var/srv/scbackend
32418 117.6 MB 89.3 MB Rails: /var/srv/scbackend
32440 88.5 MB 60.1 MB Rails: /var/srv/scbackend
32461 86.5 MB 58.1 MB Rails: /var/srv/scbackend
### Processes: 6
### Total private dirty RSS: 270.05 MB
--------- Apache processes ----------PID PPID VMSize Private Name-------------------------------------30613 1 12.1 MB 0.2 MB /usr/sbin/httpd.worker30636 30613 15.3 MB 0.5 MB /usr/sbin/httpd.worker30638 30613 15.1 MB 0.4 MB /usr/sbin/httpd.worker30646 30613 15.3 MB 0.6 MB /usr/sbin/httpd.worker### Processes: 4### Total private dirty RSS: 1.64 MB-------- Nginx processes --------### Processes: 0### Total private dirty RSS: 0.00 MB---- Passenger processes -----PID VMSize Private Name------------------------------30620 4.0 MB 0.3 MB /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.14/ext/apache2/ApplicationPoolServerExecutable 0 /usr/local/lib/ruby/gems/1.8/gems/passenger-2.2.14/bin/passenger-spawn-server /usr/local/bin/ruby /tmp/passenger.3061330621 17.3 MB 5.2 MB Passenger spawn server30630 93.0 MB 3.7 MB Passenger ApplicationSpawner: /var/srv/scbackend30660 97.3 MB 30.9 MB Rails: /var/srv/scbackend30662 95.0 MB 25.0 MB Rails: /var/srv/scbackend30664 93.0 MB 9.0 MB Rails: /var/srv/scbackend30666 93.0 MB 3.9 MB Rails: /var/srv/scbackend30668 93.0 MB 26.1 MB Rails: /var/srv/scbackend### Processes: 8### Total private dirty RSS: 104.02 MB





