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author | lifo <lifo@null.lan> | 2009-04-17 14:06:26 +0100 |
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committer | lifo <lifo@null.lan> | 2009-04-17 14:06:26 +0100 |
commit | 20401783cf26f903d7020cb7136b1e78e60e71ea (patch) | |
tree | 5bb029802ade6dda33e051adf74915dc0a8d1fe5 /railties/guides/source | |
parent | f99e9f627b6e4ab7fe72bc759426312ec0c7a2cd (diff) | |
parent | abb899c54e8777428b7a607774370ba29a5573bd (diff) | |
download | rails-20401783cf26f903d7020cb7136b1e78e60e71ea.tar.gz rails-20401783cf26f903d7020cb7136b1e78e60e71ea.tar.bz2 rails-20401783cf26f903d7020cb7136b1e78e60e71ea.zip |
Merge commit 'mainstream/master'
Conflicts:
actionpack/lib/action_controller/base.rb
railties/guides/source/caching_with_rails.textile
Diffstat (limited to 'railties/guides/source')
-rw-r--r-- | railties/guides/source/caching_with_rails.textile | 14 | ||||
-rw-r--r-- | railties/guides/source/rails_on_rack.textile | 2 |
2 files changed, 8 insertions, 8 deletions
diff --git a/railties/guides/source/caching_with_rails.textile b/railties/guides/source/caching_with_rails.textile index dd1b76bbc4..f1ad7b820d 100644 --- a/railties/guides/source/caching_with_rails.textile +++ b/railties/guides/source/caching_with_rails.textile @@ -2,7 +2,7 @@ h2. Caching with Rails: An overview Everyone caches. This guide will teach you what you need to know about avoiding that expensive round-trip to your database and returning what you -need to return to those hungry web clients in the shortest time possible. +need to return to those hungry web clients in the shortest time possible. After reading this guide, you should be able to use and configure: @@ -18,7 +18,7 @@ h3. Basic Caching This is an introduction to the three types of caching techniques that Rails provides by default without the use of any third party plugins. -To start playing with testing you'll want to ensure that +To start playing with testing you'll want to ensure that +config.action_controller.perform_caching+ is set to +true+ if you're running in development mode. This flag is normally set in the corresponding config/environments/*.rb and caching is disabled by default @@ -244,7 +244,7 @@ class ProductSweeper < ActionController::Caching::Sweeper end </ruby> -You may notice that the actual product gets passed to the sweeper, so if we +You may notice that the actual product gets passed to the sweeper, so if we were caching the edit action for each product, we could add a expire method which specifies the page we want to expire: @@ -264,7 +264,7 @@ class ProductsController < ActionController caches_action :index cache_sweeper :product_sweeper - def index + def index @products = Product.all end @@ -296,12 +296,12 @@ class ProductsController < ActionController end </ruby> -The second time the same query is run against the database, it's not actually +The second time the same query is run against the database, it's not actually going to hit the database. The first time the result is returned from the query it is stored in the query cache (in memory) and the second time it's pulled from memory. However, it's important to note that query caches are created at the start of an action and destroyed at the end of -that action and thus persist only for the duration of the action. If you'd like to store query results in a more +that action and thus persist only for the duration of the action. If you'd like to store query results in a more persistent fashion, you can in Rails by using low level caching. h4. Cache stores @@ -499,7 +499,7 @@ Also the new "Cache money":http://github.com/nkallen/cache-money/tree/master plu h3. References -* "Scaling Rails Screencasts":http://railslab.newrelic.com/scaling-rails +* "Scaling Rails Screencasts":http://railslab.newrelic.com/scaling-rails * "RailsEnvy, Rails Caching Tutorial, Part 1":http://www.railsenvy.com/2007/2/28/rails-caching-tutorial * "RailsEnvy, Rails Caching Tutorial, Part 1":http://www.railsenvy.com/2007/3/20/ruby-on-rails-caching-tutorial-part-2 * "ActiveSupport::Cache documentation":http://api.rubyonrails.org/classes/ActiveSupport/Cache.html diff --git a/railties/guides/source/rails_on_rack.textile b/railties/guides/source/rails_on_rack.textile index 05581f943f..1164ed821d 100644 --- a/railties/guides/source/rails_on_rack.textile +++ b/railties/guides/source/rails_on_rack.textile @@ -101,7 +101,7 @@ use Rack::Lock use ActionController::Failsafe use ActionController::Session::CookieStore, , {:secret=>"<secret>", :session_key=>"_<app>_session"} use Rails::Rack::Metal -use ActionController::RewindableInput +use ActionDispatch::RewindableInput use ActionController::ParamsParser use Rack::MethodOverride use Rack::Head |