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#4572 ✓invalid
Simone Carletti

config.action_controller.perform_caching is ignored

Reported by Simone Carletti | May 10th, 2010 @ 09:20 PM

I first noticed this issue with Rails 3 beta3.
Even if you set

config.action_controller.perform_caching = false

in the environment, the configuration is always ignored and defaults to true.
The result is that Rails always tries to perform page/fragment caching, even if you are using the development environment.

If you directly access the ActionController::Base class, it works as expected.

ActionController::Base.perform_caching = false

You can easily reproduce the issue creating a new Rails app with beta3 and running the server or even trying to access the configuration from the console.

I investigated the issue and the guilty seems to be the following ActionController initializer

initializer "action_controller.set_configs"

The configuration value exists in app.config.action_controller but the configuration is never applied to the class on ActionController::Base load.

action_controller/railtie.rb has been recently changed in
but the changes doesn't seem to fix the issue.

Comments and changes to this ticket

  • Neeraj Singh

    Neeraj Singh May 10th, 2010 @ 09:48 PM

    I tested it with rails3 edge and am not able to reproduce this issue. I was expecting page caching but I do not see any page cached. This is what I did.

    rails demo
    cd demo
    rails g scaffold User name:string
    rake db:migrate
    rails s

    visit http://localhost:3000/users

    Looked at public directory and I do not see any page cached.

  • Simone Carletti

    Simone Carletti May 10th, 2010 @ 10:07 PM

    The code you posted shouldn't automatically perform page caching, unless you specify cache_pages in your controller.
    However, I switched to rails edge the project and the issue seems to be fixed.

    The ticket can be closed, thank you.

  • Neeraj Singh

    Neeraj Singh May 10th, 2010 @ 10:10 PM

    You are right. I forgot to add cache_pages.

    Anyway it seems it is no more an issue.

  • Jérémy Lecour

    Jérémy Lecour May 10th, 2010 @ 10:28 PM

    • Tag changed from rails 3.0.0.beta3, actioncontroller, perform_caching to rails 3.0.0.beta3, actioncontroller, caching, perform_caching

    Today, I've pulled my hair on something that seems similar.

    I'm working on a Rails 3.0.0.beta.3 app where I want to do some page caching.

    In "Rails.root/config/development.rb" I've put

    config.action_controller.perform_caching = true
    config.page_cache_directory = File.join Rails.root, 'public', 'cache'
    config.action_controller.page_cache_directory = File.join Rails.root, 'public', 'cache'

    I've tried two different "page_cache_directory" directives because I've seen both in blog posts, docs, …

    Whatever I put in theses directives, the page cache is written in "Rails.root/public/"

    In the same file, if I write "ActionController::Base.page_cache_directory = File.join Rails.root, 'public', 'cache'" inside or outside the "MyApp::Application.configure" block, it has no effect.

    BUT, if I make an initializer with it, it's working great.

  • Jérémy Lecour

    Jérémy Lecour May 10th, 2010 @ 10:34 PM

    I've tried to install (with bundler) the master branch from Github ( and it seems fixed.

    The correct directive to put in the environment file is

    config.action_controller.page_cache_directory = File.join Rails.root, 'public', 'cache'

    The other one, has no effect.

    There is no need to make a specific initializer.

  • Ryan Bigg

    Ryan Bigg May 13th, 2010 @ 11:43 PM

    • State changed from “new” to “invalid”

    Please open another bug for this issue Jérémy.

  • Jérémy Lecour

    Jérémy Lecour May 14th, 2010 @ 07:33 AM

    As I've said, the bug is already resolved. But If you like to have an "history", I can make a new issue that you'll immediately close.


  • mirza

    mirza June 2nd, 2010 @ 07:40 AM

    I have the same problem:

    config.action_controller.perform_caching = false

    in development.rb is ignored and caching is performed always.

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