try wrk2?

Author: DeagleGross

scenarios/rejection.benchmarks.yml

@@ -6,6 +6,7 @@ imports:
   - https://raw.githubusercontent.com/dotnet/crank/main/src/Microsoft.Crank.Jobs.Bombardier/bombardier.yml
   - https://raw.githubusercontent.com/dotnet/crank/main/src/Microsoft.Crank.Jobs.HttpClient/httpclient.yml
   - https://raw.githubusercontent.com/dotnet/crank/main/src/Microsoft.Crank.Jobs.Wrk/wrk.yml
+  - https://raw.githubusercontent.com/dotnet/crank/main/src/Microsoft.Crank.Jobs.Wrk2/wrk2.yml
   - https://github.com/aspnet/Benchmarks/blob/main/scenarios/aspnet.profiles.yml?raw=true
 
 variables:
@@ -83,7 +84,7 @@ scenarios:
       variables:
         httpSysUrlPrefix: "https://testserver:{{serverPort}}"
     load:
-      job: wrk
+      job: wrk2
       variables:
         path: /hello-world
         connections: 32
@@ -122,7 +123,7 @@ scenarios:
       variables:
         enableHostHeaderValidation: true
     load:
-      job: wrk
+      job: wrk2
       variables:
         path: /hello-world
         connections: 32

src/BenchmarksApps/TLS/Kestrel/Program.cs

@@ -52,7 +52,7 @@
 
         Console.WriteLine("Configured HostFilteringOptions. Hosts: " + string.Join(';', allowedHosts));
         options.AllowedHosts = allowedHosts.ToArray();
-        options.IncludeFailureMessage = true; // Suppress the failure message in response body
+        options.IncludeFailureMessage = true; // Suppresses the failure message in response body. It should be `true` to match http.sys behavior.
         options.AllowEmptyHosts = true;
     });
 }