class ActiveSupport::Cache::RedisCacheStore

def redis
  @redis ||= begin
    pool_options = self.class.send(:retrieve_pool_options, redis_options)
    if pool_options.any?
      self.class.send(:ensure_connection_pool_added!)
      ::ConnectionPool.new(pool_options) { self.class.build_redis(**redis_options) }
    else
      self.class.build_redis(**redis_options)
    end
  end
end