enRose

static async Task WhenAllWithAsyncAndResultProcessInOneUnitStress()
{
    var result = new Result();

    async Task t(int taskId)
    {
        var r = await APICall(taskId);

        result.Result1 = ProcessResult(r, taskId);
    }

enRose

static async Task WhenAllWithAsyncAndResultProcessInOneUnit()
{
    var result = new Result();

    async Task t1()
    {
        var r = await APICall1();

        result.Result1 = ProcessResult1(r);
    }

enRose

static async Task WhenAllFinishesThenProcess()
{
    var response = new Result();

    var t1 = APICall1();
    var t2 = APICall2();
    var t3 = APICall3();

    await Task.WhenAll(t1, t2, t3);

enRose

static async Task ProcessResultOneAtTheTime()
{
    var r = new Result();

    var t1 = APICall1();
    var t2 = APICall2();
    var t3 = APICall3();

    r.Result3 = ProcessResult3(await t3);
    r.Result2 = ProcessResult2(await t2);

enRose

static async Task ProcessResultOneAtTheTime()
{
    var r = new Result();

    var t1 = APICall1();
    var t2 = APICall2();
    var t3 = APICall3();

    r.Result1 = ProcessResult1(await t1);
    r.Result2 = ProcessResult2(await t2);

enRose

static Result1Processed ProcessResult1(TaskResult1 r)
{
    marker.Measure("Process result 1 start");

    Thread.Sleep(50);

    marker.Measure("Process result 1 end");

    return new Result1Processed() {
        FinalResult = r.APIResult1 + " processed"

enRose

static async Task<TaskResult1> APICall1()
{
    marker.Measure("API call 1 start");

    await Task.Delay(250);

    marker.Measure("API call 1 end");

    return new TaskResult1
    {

enRose

// A gateway to all query routes:
public async Task<Data> Query(Guid userId, string queryRoute)
{
    var eligibility = await CheckElligibility(userId).ConfigureAwait(false);

    if (eligibility != Validity.OK) {
        Analytics.LogUserStatus(
            queryRoute,
            eligibility
        );

enRose

public enum QueryRoute
{
    SpiderMan,
    Thanos,
    IronMan,
    CaptainAmerica,
    WandaMaximoff,
    Thor
}

enRose

[RoutePrefix("users/{userId:Guid}/marvel-characters")]
[JwtAuthorizationFilter(Roles = "Users")]
public class MarvelController : ApiController
{
    private readonly IQueryService queryService;
    private readonly IMutateService mutateService;
    private readonly IPostService postService;

    public ApplicationController(
      IQueryService getService,