Redis should be auto-initialized without any configuration on the client-side

lib/sidekiq.rb

@@ -4,7 +4,10 @@ require 'sidekiq/worker'
 require 'sidekiq/rails' if defined?(::Rails)
 
 module Sidekiq
-  class << self
+  def self.redis
-    attr_accessor :redis
+    @redis ||= Sidekiq::RedisConnection.create
+  end
+  def self.redis=(r)
+    @redis = r
   end
 end

lib/sidekiq/redis_connection.rb

@@ -6,7 +6,7 @@ module Sidekiq
     def self.create(options={})
       url = options[:url] || ENV['REDISTOGO_URL'] || 'redis://localhost:6379/0'
       client = build_client(url, options[:namespace])
-      return ConnectionPool.new(:timeout => 1, :size => 25) { client } unless options[:use_pool] == false
+      return ConnectionPool.new(:timeout => 1, :size => (options[:size] || 15)) { client } unless options[:use_pool] == false
       client
     end
 

myapp/config/initializers/sidekiq.rb

@@ -1 +1 @@
-Sidekiq.redis = Sidekiq::RedisConnection.create(:namespace => 'resque')
+Sidekiq.redis = Sidekiq::RedisConnection.create(:namespace => 'resque', :size => 5)