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Guides mistake about page caching.

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DHH's key-based cache expiration isn't alternative to page caching. It's true about action caching but not page caching. I propose to remove this line as confusing, page caching is still best if applicable.
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Yury Otcheski 2015-02-27 18:36:28 +03:00
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guides/source/caching_with_rails.md
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@ -32,7 +32,7 @@ config.action_controller.perform_caching = true
Page caching is a Rails mechanism which allows the request for a generated page to be fulfilled by the webserver (i.e. Apache or NGINX), without ever having to go through the Rails stack at all. Obviously, this is super-fast. Unfortunately, it can't be applied to every situation (such as pages that need authentication) and since the webserver is literally just serving a file from the filesystem, cache expiration is an issue that needs to be dealt with.
INFO: Page Caching has been removed from Rails 4. See the [actionpack-page_caching gem](https://github.com/rails/actionpack-page_caching). See [DHH's key-based cache expiration overview](http://signalvnoise.com/posts/3113-how-key-based-cache-expiration-works) for the newly-preferred method.
INFO: Page Caching has been removed from Rails 4. See the [actionpack-page_caching gem](https://github.com/rails/actionpack-page_caching).
### Action Caching