Load testing Redis servers via IIS

gistfile1.cs

using System;
using System.Configuration;
using System.Text;
using System.Threading;
using System.Web.Mvc;
using StackExchange.Redis;

namespace WebApplication2.Controllers
{
    public class HomeController : Controller
    {
        private static int _errorCount;
        private static long _lastErrorOn;

        private static readonly Lazy<ConnectionMultiplexer> LazyConnection =
            new Lazy<ConnectionMultiplexer>(() =>
            {
                var redisConnectionString = ConfigurationManager.ConnectionStrings["Redis"].ConnectionString
                                            ?? "-no connection string found-";
                return ConnectionMultiplexer.Connect(redisConnectionString);
            });

        private readonly string _redisConnectionString;

        public HomeController()
        {
            _redisConnectionString = ConfigurationManager.ConnectionStrings["Redis"].ConnectionString
                                     ?? "-no connection string found-";
        }

        public static ConnectionMultiplexer Connection
        {
            get { return LazyConnection.Value; }
        }

        public string Index()
        {
            var result = new StringBuilder();
            try
            {
                Connection.GetDatabase();

                result.AppendFormat("SUCCESSFULLY connected to Redis @: {0}<br/><br/>{1}",
                    _redisConnectionString,
                    DateTime.UtcNow.ToString("T"));
            }
            catch (Exception exc)
            {
                var erroredOn = DateTime.UtcNow;
                Interlocked.Increment(ref _errorCount);
                Interlocked.Exchange(ref _lastErrorOn, erroredOn.Ticks);

                result.Append(string.Format("FAILED to connect to Redis @: {0}<br/>", _redisConnectionString));
                result.Append(string.Format("Exception: {0}<br/>", exc.Message));
            }

            result.Append("<hr/>");
            result.Append("<br/>");
            result.AppendFormat("Error Count: {0}<br/>", _errorCount);
            result.AppendFormat("Last Error On (UTC): {0}<br/>", _lastErrorOn > 0
                ? new DateTime(_lastErrorOn).ToString("o")
                : "none");

            return result.ToString();
        }

        public ActionResult About()
        {
            ViewBag.Message = "Your application description page.";

            return View();
        }

        public ActionResult Contact()
        {
            ViewBag.Message = "Your contact page.";

            return View();
        }
    }
}