ConnectionPool connectionPool = new ConnectionPool("127.0.0.1:2181", "/jodis/codis-demo");
            string input = null;
            do
            {
                var con = await connectionPool.GetConnectionAsync();

                Console.WriteLine("hello, {0}", con.GetDatabase().StringGet("hello"));

                Console.WriteLine("enter to get connection, input quit to close console");
                input = Console.ReadLine();

            } while (input != "quit");