test profiler vs 2026

BenchmarkSuite1/BenchmarkSuite1.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.2" />
+    <PackageReference Include="Microsoft.VisualStudio.DiagnosticsHub.BenchmarkDotNetDiagnosers" Version="18.0.36421.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="8.0.8" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\src\Services\Products\Distribt.Services.Products.BusinessLogic\Distribt.Services.Products.BusinessLogic.csproj" />
+    <ProjectReference Include="..\src\Services\Products\Distribt.Services.Products.Dtos\Distribt.Services.Products.Dtos.csproj" />
+  </ItemGroup>
+</Project>

BenchmarkSuite1/ProductsWriteStoreBenchmarks.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Threading.Tasks;
+using BenchmarkDotNet.Attributes;
+using Distribt.Services.Products.BusinessLogic.DataAccess;
+using Distribt.Services.Products.Dtos;
+using Microsoft.EntityFrameworkCore;
+
+namespace Benchmarks.Products
+{
+    [MemoryDiagnoser]
+    public class ProductsWriteStoreBenchmarks
+    {
+        private static DbContextOptions<ProductsWriteStore> NewOptions()
+            => new DbContextOptionsBuilder<ProductsWriteStore>()
+                .UseInMemoryDatabase(Guid.NewGuid().ToString())
+                .Options;
+
+        [Benchmark]
+        public async Task CreateRecord_Isolated()
+        {
+            var options = NewOptions();
+            await using var store = new ProductsWriteStore(options);
+
+            var details = new ProductDetails(
+                Name: "Product-" + Guid.NewGuid().ToString("N"),
+                Description: "Desc-" + Guid.NewGuid().ToString("N")
+            );
+
+            _ = await store.CreateRecord(details);
+        }
+
+        [Benchmark]
+        public async Task UpdateProduct_Isolated()
+        {
+            var options = NewOptions();
+            await using var store = new ProductsWriteStore(options);
+
+            // Seed a product to update in this isolated database
+            var existingId = await store.CreateRecord(new ProductDetails(
+                Name: "Seed-" + Guid.NewGuid().ToString("N"),
+                Description: "Seed-Desc"
+            ));
+
+            var updateDetails = new ProductDetails(
+                Name: "Updated-" + Guid.NewGuid().ToString("N"),
+                Description: "Updated-Desc"
+            );
+
+            await store.UpdateProduct(existingId, updateDetails);
+        }
+    }
+}

BenchmarkSuite1/Program.cs

@@ -0,0 +1,12 @@
+using BenchmarkDotNet.Running;
+
+namespace BenchmarkSuite1
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            var _ = BenchmarkRunner.Run(typeof(Program).Assembly);
+        }
+    }
+}

Distribt.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.0.31815.197
+# Visual Studio Version 18
+VisualStudioVersion = 18.0.10928.107 d18.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Api", "Api", "{25E556CF-D2DB-4BA2-9379-07CD4976BA9E}"
 EndProject
@@ -93,6 +93,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Discovery", "Discovery", "{
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Distribt.Test.Shared.Discovery.Tests", "src\Tests\Shared\Discovery\Distribt.Test.Shared.Discovery.Tests\Distribt.Test.Shared.Discovery.Tests.csproj", "{F9C0F635-D488-4E1F-A4AA-912EA8C518B5}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BenchmarkSuite1", "BenchmarkSuite1\BenchmarkSuite1.csproj", "{A20861A9-411E-6150-BF5C-69E8196E5D22}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -211,6 +213,10 @@ Global
 		{F9C0F635-D488-4E1F-A4AA-912EA8C518B5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F9C0F635-D488-4E1F-A4AA-912EA8C518B5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F9C0F635-D488-4E1F-A4AA-912EA8C518B5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A20861A9-411E-6150-BF5C-69E8196E5D22}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A20861A9-411E-6150-BF5C-69E8196E5D22}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A20861A9-411E-6150-BF5C-69E8196E5D22}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A20861A9-411E-6150-BF5C-69E8196E5D22}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/Services/Products/Distribt.Services.Products.Api.Write/Properties/launchSettings.json

@@ -14,7 +14,7 @@
       "dotnetRunMessages": true,
       "launchBrowser": true,
       "launchUrl": "swagger",
-      "applicationUrl": "https://localhost:60320;http://localhost:60310",
+      "applicationUrl": "https://localhost:60321;http://localhost:60311",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development",
         "VAULT-TOKEN": "vault-distribt-token"

src/Services/Products/Distribt.Services.Products.BusinessLogic/DataAccess/ProductsWriteStore.cs

@@ -17,12 +17,33 @@ public class ProductsWriteStore : DbContext, IProductsWriteStore
     public ProductsWriteStore(DbContextOptions<ProductsWriteStore> options) : base(options)
     {
     }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<ProductDetailEntity>(b =>
+        {
+            b.HasKey(p => p.Id);
+            b.Property(p => p.Id).ValueGeneratedOnAdd();
+            b.Property(p => p.Name).IsRequired(false);
+            b.Property(p => p.Description).IsRequired(false);
+            b.ToTable("Products");
+        });
+    }
+
     public async Task UpdateProduct(int id, ProductDetails details)
     {
-        var product = await Products.SingleAsync(a => a.Id == id);
-        product.Description = details.Description;
+        // Avoid extra round-trip: attach a stub entity and mark only changed properties as modified
+        var product = new ProductDetailEntity { Id = id };
+        Attach(product);
+
         product.Name = details.Name;
-
+        product.Description = details.Description;
+
+        Entry(product).Property(p => p.Name).IsModified = true;
+        Entry(product).Property(p => p.Description).IsModified = true;
+
         await SaveChangesAsync();
     }
 
@@ -34,16 +55,16 @@ public async Task<int> CreateRecord(ProductDetails details)
             Name = details.Name
         };
 
-        var result = await Products.AddAsync(newProduct);
+        Products.Add(newProduct);
         await SaveChangesAsync();
 
-        return result.Entity.Id ?? throw new ApplicationException("the record has not been inserted in the db");
+        return newProduct.Id;
     }
 
 
     private class ProductDetailEntity
     {
-        public int? Id { get; set; }
+        public int Id { get; set; }
         public string? Name { get; set; }
         public string? Description { get; set; }
     }