IIS 会回收asp.net core 进程吗? [英] Will IIS recycle the asp.net core process?

问题描述

我需要在我的 asp.net 核心应用程序中运行长时间运行的后台任务.我知道 Azure Webjobs 和其他进程外技术，但我宁愿让解决方案保持简单并直接在 asp.net 核心进程中运行这些任务.我使用 Kestrel，该应用程序托管在 IIS 中.

I need to run long running background tasks in my asp.net core application. I know of Azure Webjobs and other out of process techniques but I'd rather keep the solution simple and runs those tasks directly in the asp.net core process. I use Kestrel and the application is hosted in IIS.

我了解 IIS 偶尔会回收 IIS 进程.也会回收asp.net核心进程吗?

I understand that IIS will occasionally recycle the IIS process. Will it also recycle the asp.net core process?

推荐答案

Asp.Net Core <2.2

Asp.net Core 在单独的进程 dotnet.exe 中运行，即使它托管在 IIS 中.但这并不意味着它作为一个独立的进程运行.IIS 仍然通过AspNetCoreModule 负责Asp.net core 进程(dotnet.exe)的生命周期.

Asp.net Core runs in a separate process dotnet.exe even when it is hosted in IIS. But it doesn't mean that it runs as an independent process. IIS still responsible for Asp.net core process (dotnet.exe) life cycle through the AspNetCoreModule.

所以，答案是肯定的，IIS也会回收asp.net核心进程

So, answer is yes, IIS will also recycle the asp.net core process

Asp.Net 核心 >= 2.2

Asp.Net Core 2.2 除了之前的 进程外 托管模型之外，还对 IIS 提供了 in-process 托管支持.这似乎只是一种优化，可以避免将反向代理请求转移到单独的 dotnet 进程的额外成本.IIS 将使用 Asp.net Core 应用程序

Asp.Net Core 2.2 has in-process hosting support on IIS in addition to out-of-process hosting model that was before. It seems it is just an optimization that allows to avoid the additional cost of reverse-proxying requests over to a separate dotnet process. IIS will recycle application pool with Asp.net Core application

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