```ruby
require 'redis'
require 'redis/rails/instrumentation/logging'
require 'redis/rails/instrumentation/version'
require 'active_support'
require 'sweet_notifications'

class Redis
  module Rails
    module Instrumentation
      Railtie, LogSubscriber = SweetNotifications.subscribe :redis,
                                                            label: 'Redis' do
        color ActiveSupport::LogSubscriber::RED

        event :command do |event|
          next unless logger.debug?
          cmds = event.payload[:commands]

          output = cmds.map do |name, *args|
            if args.present?
              "[ #{name.to_s.upcase} #{args.join(' ')} ]"
            else
              "[ #{name.to_s.upcase} ]"
            end
          end.join(' ')

          debug message(event, 'Redis', output)
        end
      end
    end
  end
end

Redis::Client.prepend(Redis::Rails::Instrumentation::Logging)
```

Prepend is private on Ruby 2.0.0
user
```ruby
require 'redis'
require 'redis/rails/instrumentation/logging'
require 'redis/rails/instrumentation/version'
require 'active_support'
require 'sweet_notifications'

class Redis
  module Rails
    module Instrumentation
      Railtie, LogSubscriber = SweetNotifications.subscribe :redis,
                                                            label: 'Redis' do
        color ActiveSupport::LogSubscriber::RED

        event :command do |event|
          next unless logger.debug?
          cmds = event.payload[:commands]

          output = cmds.map do |name, *args|
            if args.present?
              "[ #{name.to_s.upcase} #{args.join(' ')} ]"
            else
              "[ #{name.to_s.upcase} ]"
            end
          end.join(' ')

          debug message(event, 'Redis', output)
        end
      end
    end
  end
end

Redis::Client.send(:prepend, Redis::Rails::Instrumentation::Logging)
```
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