# Comparisons between mod\_ruby and FastCGI **URL:** \ **Category:** Rails\ **Created:** [November 28, 2008, 8:16pm UTC](https://www.ruby-forum.com/t/comparisons-between-mod-ruby-and-fastcgi/154404 "2008-11-28T20:16:06Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![matt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/a6a055/32.png) [@matt](https://www.ruby-forum.com/u/matt)\ **Post date:** [November 28, 2008, 8:16pm UTC](https://www.ruby-forum.com/t/comparisons-between-mod-ruby-and-fastcgi/154404/1 "2008-11-28T20:16:06Z")
Hello all, I’m a new Ruby on Rails developer who is working on applications for several different clients using the Ruby on Rails framework. The question that I’ve got to pose all of you concerns the differences between mod\_ruby and FastCGI. I’m thinking about trying to get my webhost to install mod\_ruby because it would run lightyears faster, but there’s something I found about mod\_ruby that they would probably take issue with. On the Wikipedia article for mod\_ruby, it reads: “Its drawback is that the characteristic sharing of classes among Apache processes is not safe for multiple applications.” However, there is no citation. So here’s my question - is this a serious safety concern? If so, how did the developers of mod\_php get around this problem? Is there another, more secure, solution to running ruby apps on a web server that is faster than mod\_ruby? Thanks in advance, Matt ---
**Author:** ![matt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/a6a055/32.png) [@matt](https://www.ruby-forum.com/u/matt)\ **Post date:** [November 28, 2008, 9:43pm UTC](https://www.ruby-forum.com/t/comparisons-between-mod-ruby-and-fastcgi/154404/2 "2008-11-28T21:43:58Z")
Don’t think anyone uses either of those these days. It’s either mod\_rails or mongrel Sent from my iPhone ---
**Author:** ![matt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/a6a055/32.png) [@matt](https://www.ruby-forum.com/u/matt)\ **Post date:** [November 28, 2008, 10:33pm UTC](https://www.ruby-forum.com/t/comparisons-between-mod-ruby-and-fastcgi/154404/3 "2008-11-28T22:33:46Z")
I will say stay away from FastCGI, that’s all. H On Nov 28, 3:43 pm, Frederick C. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) ---
**Author:** ![matt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/a6a055/32.png) [@matt](https://www.ruby-forum.com/u/matt)\ **Post date:** [November 29, 2008, 5:20am UTC](https://www.ruby-forum.com/t/comparisons-between-mod-ruby-and-fastcgi/154404/4 "2008-11-29T05:20:17Z")
Or my new favorite JRuby with Glassfish… ---
**Author:** ![matt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/a6a055/32.png) [@matt](https://www.ruby-forum.com/u/matt)\ **Post date:** [November 28, 2008, 11:38pm UTC](https://www.ruby-forum.com/t/comparisons-between-mod-ruby-and-fastcgi/154404/5 "2008-11-28T23:38:49Z")
You are really going to want to take a look at mongrel, thin, or … my perference … Passenger/mod\_rails. Just type [http://modrails.com](http://modrails.com) into your browser window and be amazed. 😉 ---
**Author:** ![matt](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/a6a055/32.png) [@matt](https://www.ruby-forum.com/u/matt)\ **Post date:** [November 29, 2008, 8:56am UTC](https://www.ruby-forum.com/t/comparisons-between-mod-ruby-and-fastcgi/154404/6 "2008-11-29T08:56:34Z")
False. My webhost currently has us using FastCGI to run our Rails scripts. I may shoot them an email asking about mod\_rails though. On Nov 28, 3:43 pm, Frederick C. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)