[英]ASP.NET Core project load time
我有一个正在使用的ASP.NET Core / MVC Core应用程序，但是，当我第一次将项目加载到Visual Studio中时，加载它需要花费一定的时间（20分钟）。
我不确定是什么导致了加载时间的延长，但是它不是Visual Studio本身，因为其他项目的加载速度要快得多，我可以肯定的是，这个单独的项目可以正常工作，并且我已经在另一台笔记本电脑上尝试过，它在那里也花了时间
我也尝试过使用/ SafeMode开关启动Visual Studio，但这没有什么区别。
我正在使用Visual Studio 2015企业版
以下是我的project.json的副本，以防有人发现它的潜在问题
{
"devDependencies": {
"gulp": "3.9.1"
},
"userSecretsId": "SP2017-5731e8a3-a3ec-4a25-bcb5-asdf2432hjk232",
"dependencies": {
"Microsoft.NETCore.App": {
"version": "1.0.1",
"type": "platform"
},
"Microsoft.ApplicationInsights.AspNetCore": "1.0.0",
"Microsoft.AspNetCore.Authentication.Cookies": "1.0.0",
"Microsoft.AspNetCore.Diagnostics": "1.0.0",
"Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.0.0",
"Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.0.0",
"Microsoft.AspNetCore.Mvc": "1.0.1",
"Microsoft.AspNetCore.Razor.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.AspNetCore.Routing": "1.0.1",
"Microsoft.AspNetCore.Server.IISIntegration": "1.0.0",
"Microsoft.AspNetCore.Server.Kestrel": "1.0.1",
"Microsoft.AspNetCore.StaticFiles": "1.0.0",
"MySql.Data.EntityFrameworkCore": "7.0.6-IR31",
"Microsoft.EntityFrameworkCore.SqlServer": "1.0.1",
"Microsoft.EntityFrameworkCore.SqlServer.Design": {
"version": "1.0.1",
"type": "build"
},
"Microsoft.EntityFrameworkCore.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0",
"Microsoft.Extensions.Configuration.Json": "1.0.0",
"Microsoft.Extensions.Configuration.UserSecrets": "1.0.0",
"Microsoft.Extensions.Logging": "1.0.0",
"Microsoft.Extensions.Logging.Console": "1.0.0",
"Microsoft.Extensions.Logging.Debug": "1.0.0",
"Microsoft.Extensions.Options.ConfigurationExtensions": "1.0.0",
"Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.0.0",
"Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.VisualStudio.Web.CodeGenerators.Mvc": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"SendGrid.Core": "1.0.0",
"SendGrid.NetCore": "1.0.0-rtm-00002"
},
"tools": {
"BundlerMinifier.Core": "2.0.238",
"Microsoft.AspNetCore.Razor.Tools": "1.0.0-preview2-final",
"Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-preview2-final",
"Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final",
"Microsoft.Extensions.SecretManager.Tools": "1.0.0-preview2-final",
"Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
"version": "1.0.0-preview2-final",
"imports": [
"portable-net45+win8"
]
}
},
"frameworks": {
"netcoreapp1.0": {
"imports": [
"dotnet5.6",
"portable-net45+win8"
]
}
},
"buildOptions": {
"emitEntryPoint": true,
"preserveCompilationContext": true
},
"runtimeOptions": {
"configProperties": {
"System.GC.Server": true
}
},
"publishOptions": {
"include": [
"Areas/**/*.cshtml",
"wwwroot",
"**/*.cshtml",
"appsettings.json",
"appsettings.production.json",
"web.config",
"project.json"
]
},
"scripts": {
"prepublish": [ "bower install", "dotnet bundle" ],
"postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
}
}
编辑12年1月12日格林尼治标准时间00:30：
我还要提到的是，我已经完成了将其关闭然后重新打开的古老爱好！
这是我的project.json文件的更新副本
{
"devDependencies": {
"gulp": "3.9.1"
},
"userSecretsId": "SP2017-5731e8a3-a3ec-4a25-bcb5-asdf2432hjk232",
"dependencies": {
"Microsoft.NETCore.App": "1.1.0",
"Microsoft.AspNetCore.Razor.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Pomelo.EntityFrameworkCore.MySql": "1.1.0",
"Microsoft.EntityFrameworkCore.Tools": {
"version": "1.1.0-preview4-final",
"type": "build"
},
"Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"Microsoft.VisualStudio.Web.CodeGenerators.Mvc": {
"version": "1.0.0-preview2-final",
"type": "build"
},
"SendGrid.Core": "1.0.0",
"SendGrid.NetCore": "1.0.0-rtm-00002",
"BundlerMinifier.Core": "2.2.306",
"Microsoft.ApplicationInsights.AspNetCore": "1.0.2",
"Microsoft.AspNetCore.Authentication.Cookies": "1.1.0",
"Microsoft.AspNetCore.Diagnostics": "1.1.0",
"Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore": "1.1.0",
"Microsoft.AspNetCore.Identity.EntityFrameworkCore": "1.1.0",
"Microsoft.AspNetCore.Mvc": "1.1.0",
"Microsoft.AspNetCore.Routing": "1.1.0",
"Microsoft.AspNetCore.Server.IISIntegration": "1.1.0",
"Microsoft.AspNetCore.Server.Kestrel": "1.1.0",
"Microsoft.AspNetCore.StaticFiles": "1.1.0",
"Microsoft.EntityFrameworkCore.SqlServer": "1.1.0",
"Microsoft.EntityFrameworkCore.SqlServer.Design": "1.1.0",
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.1.0",
"Microsoft.Extensions.Configuration.Json": "1.1.0",
"Microsoft.Extensions.Configuration.UserSecrets": "1.1.0",
"Microsoft.Extensions.Logging": "1.1.0",
"Microsoft.Extensions.Logging.Console": "1.1.0",
"Microsoft.Extensions.Logging.Debug": "1.1.0",
"Microsoft.Extensions.Options.ConfigurationExtensions": "1.1.0",
"Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.1.0"
},
"tools": {
"Microsoft.AspNetCore.Razor.Tools": "1.0.0-preview2-final",
"Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.0.0-preview2-final",
"Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final",
"Microsoft.Extensions.SecretManager.Tools": "1.0.0-preview2-final",
"Microsoft.VisualStudio.Web.CodeGeneration.Tools": {
"version": "1.0.0-preview2-final",
"imports": [
"portable-net45+win8"
]
}
},
"frameworks": {
"netcoreapp1.1": {
"dependencies": {
"Microsoft.NETCore.App": {
"type": "platform",
"version": "1.1.0"
}
},
"imports": "dnxcore50"
}
},
"buildOptions": {
"emitEntryPoint": true,
"preserveCompilationContext": true
},
"runtimeOptions": {
"configProperties": {
"System.GC.Server": true
}
},
"runtimes": {
"win10-64": {}
},
"publishOptions": {
"include": [
"Areas/**/*.cshtml",
"wwwroot",
"**/*.cshtml",
"appsettings.json",
"appsettings.production.json",
"web.config",
"project.json"
]
},
"scripts": {
"prepublish": [ "bower install", "dotnet bundle" ],
"postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
}
}
我想我可能会找到原因，但没有找到解决方法。
我隐约记得在添加一些Bower依赖项后出现此问题，这是否可能是原因（我曾尝试删除所有Bower依赖项
我的bower.json文件当前看起来像
{
"name": "asp.net",
"private": true,
"dependencies": {
"bootstrap": "3.3.6",
"jquery": "2.2.0",
"jquery-validation": "1.14.0",
"jquery-validation-unobtrusive": "3.2.6",
"font-awesome": "4.6.1",
"admin-lte": "*",
"material-design-icons": "2.2.3",
"startbootstrap-creative": "3.3.7"
}
}
我刚刚将其添加到我的新模板化解决方案中，并且软件包还原正在花费时间。 所以我想知道Visual Studio是否在打开解决方案时调用Bower Restore？
这是一个可行的建议。
我建议将.netcore更新为1.1，因为1.0存在很多问题。通过在nuget控制台中运行此程序，可以在Install-Package Microsoft.NETCore.App中运行
另一个问题可能是您正在加载失败或无法正常工作的依赖项。
例如，它可能正在加载发送网格，并且发送网格非常慢，这可能就是原因。
尝试运行一个没有任何依赖项的非常简单的应用程序，看看是否得到相同的结果。
如果您有Resharper，请尝试从VS选项菜单中将其挂起，然后看看会发生什么。 我也遇到了Resharper处于活动状态的asp.net核心项目的更长的加载时间。 使用暂停的Resharper，解决方案加载速度足够快
如果这些不是最新的，请尝试这些更新
更新您visual studio ，以最新Visual Studio Update 3
将您的Visual Studio 2015 Tools更新为最新的最新Visual Studio 2015 Tools (Preview 2)
.NET Core更新为最新的最新.NET Core 1.1 SDK 然后更新您的项目以使用此处所述的最新.Net Core SDK ，并更新nuget所有软件包。
因此事实证明，罪魁祸首实际上是在凉亭依赖关系中
"material-design-icons": "2.2.3"
从我的bower.json文件中删除此文件（并从相应的wwwroot / lib文件夹中删除它）之后，我的解决方案现在可以在大约10-15秒（比20分钟快得多）中加载。
出于兴趣，我创建了一个新文件夹（非VS / asp.net核心文件夹），先清除bower缓存 ，再运行bower.init ，然后运行bower install material-design-icons ，仅花了10分钟即可安装此1个软件包。 /依赖
原来，这个程序包是43.7MB（磁盘上为81.5MB），不是我的互联网速度（16ms ping，104.5Mbps下载，6.3Mbps上传）
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