davidfowl

[12:04:42.659] Using worker Wrk
[12:04:42.754] Running session '92c5e28c8dec4dab902cd1ff12ccaf9d' with description ''
[12:04:42.754] Starting scenario ResponseCachingPlaintextCachedDelete on benchmark server...
[12:04:42.837] Fetching job: http://10.195.201.248:5001/jobs/31
[12:04:42.917] Job submitted, waiting...
[12:05:16.053] Starting scenario ResponseCachingPlaintextCachedDelete on benchmark client...
[12:05:16.488] Client Job ready: http://10.195.202.5:5002/jobs/1
[12:05:18.654] Scenario ResponseCachingPlaintextCachedDelete completed on benchmark client
[12:05:18.655] Deleting scenario ResponseCachingPlaintextCachedDelete on benchmark client...
RequestsPerSecond:           1,334

davidfowl

using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApp19
{
    class Program
    {
        private static Dictionary<string, Task<string>> _cache = new Dictionary<string, Task<string>>();

davidfowl

using System;
using System.Collections.Generic;
using System.Threading;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;

/*

- Don't need to support different services per tenant.
- Tenant services lifetime outlasts the request.

davidfowl

using System;
using System.Collections.Generic;
using System.Threading;

namespace TimersAreWeird
{
    public class Program
    {
        public static void Main(string[] args)
        {

davidfowl

ReadOnlySequence.Slice + Span

             Method |          Input | HubProtocol |      Mean |     Error |    StdDev |      Op/s |  Gen 0 | Allocated |
------------------ |--------------- |------------ |----------:|----------:|----------:|----------:|-------:|----------:|
 ReadSingleMessage |   FewArguments |        Json |  2.459 us | 0.0491 us | 0.1295 us | 406,692.8 | 0.0305 |     960 B |
 ReadSingleMessage | LargeArguments |        Json | 90.188 us | 2.1015 us | 6.0296 us |  11,087.9 | 1.9531 |   58840 B |
 ReadSingleMessage |  ManyArguments |        Json |  4.403 us | 0.0922 us | 0.2063 us | 227,115.5 | 0.0458 |    1504 B |
 ReadSingleMessage |    NoArguments |        Json |  1.194 us | 0.0249 us | 0.0449 us | 837,771.3 | 0.0172 |     584 B |

davidfowl

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net.Http;
using System.Threading;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;

namespace header_propagation

davidfowl

using System;
using System.Buffers;
using System.Buffers.Text;
using System.Collections.Generic;
using System.IO;
using System.IO.Pipelines;
using System.Text;
using System.Threading.Tasks;

namespace perf_demo

davidfowl

public void ConfigureServices(IServiceCollection services)
{
    services.AddHttpClient("myclient");

    // Global header propagation for any HttpClient that comes from HttpClientFactory
    services.AddHeaderPropagation(options =>
    {
        options.HeaderNames.Add("Correlation-Id");
    });
}

davidfowl

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.Mvc;
using System.Web.Optimization;
using System.Web.Routing;
using Microsoft.Extensions.DependencyInjection;
using WebApplication16;
using WebApplication16.Controllers;

davidfowl

public class NagleAwaitable : ICriticalNotifyCompletion
{
    private readonly ConcurrentQueue<Action> _work = new ConcurrentQueue<Action>();
    private readonly TimerAwaitable _timerAwaitable;

    private bool _timerResult;

    public NagleAwaitable(TimeSpan period)
    {
        _timerAwaitable = new TimerAwaitable(period, period);