From b715da8e6f97629bb85b5dcc2b93b279bd172444 Mon Sep 17 00:00:00 2001
From: Nicolae Claudius <nicolae_claudius@yahoo.com>
Date: Thu, 3 Nov 2011 04:41:52 -0700
Subject: [PATCH] memcache - sessions & cache

---
 Gemfile                              |  1 +
 Gemfile.lock                         |  2 ++
 config/environment.rb                | 12 ++++++++++++
 config/environments/production.rb    |  8 +++++++-
 config/initializers/session_store.rb |  9 ++++++++-
 5 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/Gemfile b/Gemfile
index a31670e..00b67f2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -32,6 +32,7 @@ group :assets do
 end
 
 gem 'jquery-rails'
+gem 'dalli', '~> 1.1.3'
 # gem 'foreigner' ?
 
 group :test, :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index d3ffc97..1a4c945 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,6 +76,7 @@ GEM
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
       sass (~> 3.1)
+    dalli (1.1.3)
     database_cleaner (0.6.7)
     devise (1.4.8)
       bcrypt-ruby (~> 3.0)
@@ -222,6 +223,7 @@ DEPENDENCIES
   capybara (~> 1.1.1)
   coffee-rails (~> 3.1.0)
   compass (~> 0.12.alpha.0)
+  dalli (~> 1.1.3)
   database_cleaner (~> 0.6.7)
   devise (~> 1.4.5)
   factory_girl_rails (~> 1.2)
diff --git a/config/environment.rb b/config/environment.rb
index d4e6183..faccf54 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -3,3 +3,15 @@ require File.expand_path('../application', __FILE__)
 
 # Initialize the rails application
 Entrydns::Application.initialize!
+
+if defined?(PhusionPassenger)
+  PhusionPassenger.on_event(:starting_worker_process) do |forked|
+    # Reset Rails's object cache
+    # Only works with DalliStore
+    Rails.cache.reset if forked
+
+    # Reset Rails's session store
+    # If you know a cleaner way to find the session store instance, please let me know
+    ObjectSpace.each_object(ActionDispatch::Session::DalliStore) { |obj| obj.reset }
+  end
+end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 9866e8a..8677aa2 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -38,7 +38,13 @@ Entrydns::Application.configure do
 
   # Use a different cache store in production
   # config.cache_store = :mem_cache_store
-
+  config.cache_store = :dalli_store, 'localhost', {
+    :memcache_server => ['127.0.0.1'],
+    :namespace => 'entrydns',
+    :expires_in => 1.day,
+    :compress => true
+  }
+  
   # Enable serving of images, stylesheets, and JavaScripts from an asset server
   # config.action_controller.asset_host = "http://assets.example.com"
 
diff --git a/config/initializers/session_store.rb b/config/initializers/session_store.rb
index 802254b..52c5bf0 100644
--- a/config/initializers/session_store.rb
+++ b/config/initializers/session_store.rb
@@ -1,6 +1,13 @@
 # Be sure to restart your server when you modify this file.
 
-Entrydns::Application.config.session_store :cookie_store, key: '_entrydns_session'
+require 'action_dispatch/middleware/session/dalli_store'
+Rails.application.config.session_store :dalli_store, 
+  :memcache_server => ['127.0.0.1'],
+  :namespace => 'entrydns',
+  :key => '_entrydns_session',
+  :expire_after => 2.hours
+
+# Entrydns::Application.config.session_store :cookie_store, key: '_entrydns_session'
 
 # Use the database for sessions instead of the cookie-based default,
 # which shouldn't be used to store highly confidential information