Added rails caches_page to increase performance

app/controllers/application_controller.rb

@@ -4,7 +4,10 @@
 class ApplicationController < ActionController::Base
   helper :all # include all helpers, all the time
 
+  caches_page :show, :graphml, :index
+
   around_filter :neo_tx
+  after_filter :invalidate_cache,  :only => [:create, :update, :link, :unlink]
 
   # See ActionController::RequestForgeryProtection for details
   # Uncomment the :secret if you're not using the cookie session store
@@ -127,4 +130,14 @@ def neo_tx
     yield
     Neo4j::Transaction.finish
   end
+
+  def invalidate_cache
+    cache_dir = ActionController::Base.page_cache_directory
+    RAILS_DEFAULT_LOGGER.info "INVALIDATE CACHE #{cache_dir}"
+    unless cache_dir == RAILS_ROOT+"/public"
+      RAILS_DEFAULT_LOGGER.info "remove cache dir '#{cache_dir}'"
+      FileUtils.rm_r(Dir.glob(cache_dir+"/*")) rescue Errno::ENOENT
+      RAILS_DEFAULT_LOGGER.info("Cache directory '#{cache_dir}' fully swept.")
+    end
+  end
 end

config/environment.rb

@@ -7,6 +7,8 @@
 require File.join(File.dirname(__FILE__), 'boot')
 
 Rails::Initializer.run do |config|
+  config.action_controller.page_cache_directory = RAILS_ROOT+"/public/cache/"
+
   # Settings in config/environments/* take precedence over those specified here.
   # Application configuration should go into files in config/initializers
   # -- all .rb files in that directory are automatically loaded.