azure - 关于在 Azure 应用服务上托管的 D :\local\Temp in .Net 6 Web API 上可用空间不足的异常(即使有大量空间)

标签 azure asp.net-core .net-6.0 webapi azure-appservice

我有一个在 Azure 应用服务上运行的 .Net 6 Web API(Windows，标准服务计划 (S1: 1))

偶尔，我会遇到此异常:

System.IO.IOException: There is not enough space on the disk. : 'D:\local\Temp\ASPNETCORE_7aca67c0-7d1f-40ba-bef3-9e58ea744487.tmp'

这是最后一次发生的堆栈跟踪:

System.IO.IOException:
   at System.IO.RandomAccess.WriteAtOffset (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.IO.Strategies.OSFileStreamStrategy.Write (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.IO.Strategies.OSFileStreamStrategy.Write (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.WebUtilities.PagedByteBuffer.MoveTo (Microsoft.AspNetCore.WebUtilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at Microsoft.AspNetCore.WebUtilities.FileBufferingWriteStream.Write (Microsoft.AspNetCore.WebUtilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at Microsoft.AspNetCore.WebUtilities.HttpResponseStreamWriter.Write (Microsoft.AspNetCore.WebUtilities, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at Newtonsoft.Json.JsonTextWriter.WritePropertyName (Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeObject (Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList (Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize (Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
   at Newtonsoft.Json.JsonSerializer.SerializeInternal (Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed)
   at Microsoft.AspNetCore.Mvc.Formatters.NewtonsoftJsonOutputFormatter+<WriteResponseBodyAsync>d__13.MoveNext (Microsoft.AspNetCore.Mvc.NewtonsoftJson, Version=6.0.5.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Formatters.NewtonsoftJsonOutputFormatter+<WriteResponseBodyAsync>d__13.MoveNext (Microsoft.AspNetCore.Mvc.NewtonsoftJson, Version=6.0.5.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Formatters.NewtonsoftJsonOutputFormatter+<WriteResponseBodyAsync>d__13.MoveNext (Microsoft.AspNetCore.Mvc.NewtonsoftJson, Version=6.0.5.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<<InvokeResultAsync>g__Logged|22_0>d.MoveNext (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<<InvokeNextResultFilterAsync>g__Awaited|30_0>d`2.MoveNext (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.ResultNext (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeResultFilters (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<<InvokeFilterPipelineAsync>g__Awaited|20_0>d.MoveNext (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<<InvokeAsync>g__Logged|17_1>d.MoveNext (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker+<<InvokeAsync>g__Logged|17_1>d.MoveNext (Microsoft.AspNetCore.Mvc.Core, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware+<<Invoke>g__AwaitRequestTask|6_0>d.MoveNext (Microsoft.AspNetCore.Routing, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at PropWorx.API.Middlewares.TenantIdentifier+<Invoke>d__4.MoveNext (PropWorx.API, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null: C:\Users\fabsr\source\repos\PropWorx.API\PropWorx.API\Middlewares\TenantIdentifier.cs:50)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at PropWorx.API.Middlewares.WebSocketsMiddleware+<Invoke>d__2.MoveNext (PropWorx.API, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null: C:\Users\fabsr\source\repos\PropWorx.API\PropWorx.API\Middlewares\WebSocketsMiddleware.cs:30)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Authorization.Policy.AuthorizationMiddlewareResultHandler+<HandleAsync>d__0.MoveNext (Microsoft.AspNetCore.Authorization.Policy, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware+<Invoke>d__6.MoveNext (Microsoft.AspNetCore.Authorization.Policy, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware+<Invoke>d__6.MoveNext (Microsoft.AspNetCore.Authentication, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Session.SessionMiddleware+<Invoke>d__8.MoveNext (Microsoft.AspNetCore.Session, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Session.SessionMiddleware+<Invoke>d__8.MoveNext (Microsoft.AspNetCore.Session, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware+<Invoke>d__5.MoveNext (Swashbuckle.AspNetCore.SwaggerUI, Version=6.3.1.0, Culture=neutral, PublicKeyToken=4232c99127b3c254)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware+<Invoke>d__4.MoveNext (Swashbuckle.AspNetCore.Swagger, Version=6.3.1.0, Culture=neutral, PublicKeyToken=62657d7474907593)
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Private.CoreLib, Version=6.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e)
   at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware+<Invoke>d__9.MoveNext (Microsoft.AspNetCore.Diagnostics, Version=6.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60)

这发生在各种 API 端点上(即各种 Controller 中的各种操作方法)。 奇怪的是，它发生在我没有执行任何文件写入事件的方法中。这是一个简单的 GET 请求，它从 MySql 数据库执行基本的 SELECT * FROM table 查询，并返回结果。

现在，如果我转到 Azure 门户，然后转到我的应用程序服务，然后转到配额，我还有足够的可用空间:

enter image description here

如果我转到 Kudu，然后转到环境，我会看到以下内容:

System info

System up time: 12:22:00.1560000
OS version: Microsoft Windows NT 10.0.14393.0
64 bit system: True
64 bit process: True
Processor count: 1
Machine name: RD2818786D33D4
Instance id: eeb07ed981018f5b52e2782779334447fffe71fbeeea9200f63be35f6a12f44a
Short instance id: eeb07e
CLR version: 4.0.30319.42000
System directory: D:\Windows\system32
Current working directory: D:\Program Files (x86)\SiteExtensions\ApplicationInsightsAgent\2.8.43\ExtensionManager
IIS command line: D:\Windows\system32\inetsrv\w3wp.exe -ap "~1propworx-api-san" -v "v4.0" -a "\\.\pipe\iisipmf473d9e2-218c-4cdb-abbe-f3fa8fd44d9a" -h "C:\DWASFiles\Sites\#1propworx-api-san\Config\applicationhost.config" -w "C:\DWASFiles\Sites\#1propworx-api-san\Config\rootweb.config" -m 0
D:\home usage: 51,200 MB total; 47,873 MB free
D:\local usage: 11,264 MB total; 10,894 MB free

如果你看最后两行，我在 D:\home 和 D:\local 上都有足够的空间

有什么想法吗？

最佳答案

这里好像有解释。解决方案是对请求启用缓冲。 ASP.NET CORE 将请求正文写入 Windows TEMP 文件夹

M$ 文档用于请求缓冲。 https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.http.httprequestrewindextensions.enablebuffering?view=aspnetcore-6.0

关于azure - 关于在 Azure 应用服务上托管的 D :\local\Temp in .Net 6 Web API 上可用空间不足的异常(即使有大量空间)，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/72377667/

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