sidekiq with redis_failover http://tech.tulentsev.com/2012/12/using-sidekiq-with-redis-failover-gem/

app.rb

  Sidekiq.configure_server do |config|
    pool = ConnectionPool.new(:size => 10, :timeout => 3) do
      zkservers = 'localhost:2181,localhost:2182,localhost:2183'
      RedisFailover::Client.new namespace: 'my_service', zkservers: zkservers
    end

    config.redis = pool
  end

# do the same in Sidekiq.configure_client