gistfile1.cs

    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Type q to Quit");

            string input;
            while ((input = Console.ReadLine()) != "q")
            {
                var sw = new Stopwatch();
                sw.Start();
                BeginLoadTestAsync(1000).Wait();
                //BeginLoadTestSync(1000);
                sw.Stop();

                Console.WriteLine("Total time: " + sw.Elapsed.ToString());
            }
        }

        static void BeginLoadTestSync(int numberOfClients = 1)
        {
            using (var httpClient = new HttpClient())
            {
                for (int i = 0; i < numberOfClients; i++)
                {
                    var response = httpClient.GetAsync("http://localhost:62351/api/posts").Result;
                    var content = response.Content.ReadAsStringAsync().Result;
                    Console.WriteLine("Client {0}: {1}", i, response.StatusCode);
                }
            }
        }

        static async Task BeginLoadTestAsync(int numberOfClients = 1)
        {
            List<Task> tasks = new List<Task>();

            using (var httpClient = new HttpClient())
            {

                for (int i = 0; i < numberOfClients; i++)
                {
                    tasks.Add(GetResponse(i, httpClient));
                }

                await Task.WhenAll(tasks);
            }
        }

        static async Task GetResponse(int index, HttpClient httpClient)
        {
            var response =  await httpClient.GetAsync("http://localhost:62351/api/posts");
            var content = await response.Content.ReadAsStringAsync();
            Console.WriteLine("Client {0}: {1}", index, response.StatusCode);
        }
    }


// Controller methods:

        public IEnumerable<Post> Get([FromUri]GetPostsCommand parameters)
        {
            var posts = session.Query<Post>();

            if (parameters.SiteId.HasValue)
                posts = posts.Where(p => p.SiteId == parameters.SiteId.Value);

            return posts
                .Skip(parameters.PageSize * (parameters.Page - 1))
                .Take(parameters.PageSize)
                .ToList();
        }

        //public async Task<IEnumerable<Post>> Get([FromUri]GetPostsCommand parameters)
        //{
        //    using (var session = store.OpenAsyncSession())
        //    {
        //        var posts = session.Query<Post>();

        //        if (parameters.SiteId.HasValue)
        //            posts = posts.Where(p => p.SiteId == parameters.SiteId.Value);

        //        return await posts
        //            .Skip(parameters.PageSize * (parameters.Page - 1))
        //            .Take(parameters.PageSize)
        //            .ToListAsync();
        //    }           
        //}