dbcontext 上下文池，提高性能测试

IRaCIS.Core.API/_ServiceExtensions/EFSetup.cs

@@ -1,11 +1,15 @@
-using Hangfire.SqlServer;
+using Castle.Core.Logging;
+using EntityFramework.Exceptions.SqlServer;
+using Hangfire.SqlServer;
 using IRaCIS.Core.Application.Triggers;
+using IRaCIS.Core.Domain.Share;
 using IRaCIS.Core.Infra.EFCore;
 using Medallion.Threading;
 using Medallion.Threading.SqlServer;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
 using StackExchange.Redis;
 
 namespace IRaCIS.Core.API
@@ -14,15 +18,28 @@ namespace IRaCIS.Core.API
     {
         public static void AddEFSetup( this IServiceCollection services, IConfiguration configuration)
         {
-            //services.AddScoped<DbContext, IRaCISDBContext>();
+
+            services.AddHttpContextAccessor();
+            services.AddScoped<IUserInfo, UserInfo>();
+
+            // First, register a pooling context factory as a Singleton service, as usual:
 
             //这个注入没有成功--注入是没问题的，构造函数也只是支持参数就好，错在注入的地方不能写DbContext
             //Web程序中通过重用池中DbContext实例可提高高并发场景下的吞吐量， 这在概念上类似于ADO.NET Provider原生的连接池操作方式，具有节省DbContext实例化成本的优点
-            services.AddDbContext<IRaCISDBContext>(options =>
+            services.AddPooledDbContextFactory<IRaCISDBContext>(options =>
             {
+
+                // 在控制台
+                //public static readonly ILoggerFactory MyLoggerFactory    = LoggerFactory.Create(builder => { builder.AddConsole(); });
+                var logFactory =   LoggerFactory.Create(builder => { builder.AddDebug(); });
+
                 options.UseSqlServer(configuration.GetSection("ConnectionStrings:RemoteNew").Value, 
                     contextOptionsBuilder => contextOptionsBuilder.EnableRetryOnFailure());
 
+                options.UseLoggerFactory(logFactory);
+
+                options.UseExceptionProcessor();
+
                 options.EnableSensitiveDataLogging();
 
                 options.AddInterceptors(new QueryWithNoLockDbCommandInterceptor());
@@ -62,6 +79,12 @@ namespace IRaCIS.Core.API
 
             });
 
+            // Register an additional context factory as a Scoped service, which gets a pooled context from the Singleton factory we registered above,
+            services.AddScoped<IRaCISDBScopedFactory>();
+
+            // Finally, arrange for a context to get injected from our Scoped factory:
+            services.AddScoped(sp => sp.GetRequiredService<IRaCISDBScopedFactory>().CreateDbContext());
+
             //注意区分 easy caching 也有  IDistributedLockProvider
             services.AddSingleton<IDistributedLockProvider>(sp =>
             {