修改

ConsoleApp2/Program.cs

@@ -57,7 +57,7 @@ async Task RunProgram()
 
     //}, "请输入单次插入的行数(默认为20000):");
 
-    ThreadPool.SetMaxThreads(200, 200);
+    ThreadPool.SetMaxThreads(8, 4);
     var host = Host.CreateApplicationBuilder(args);
     var commandOptions = host.Configuration.GetSection("CmdOptions").Get<CommandOptions>() ?? new CommandOptions();
     Console.WriteLine($"InputDir:{commandOptions?.InputDir}");