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IIS 中 ASP.net 应用程序的单独应用程序池

发布于08月14日

I've read recommendations that we should create separate application pools for each asp.net application on our Win2008 server.

We have about 20 apps that would be on the same server. I know this would create 20 separate worker processes which seems very wasteful.

Is it good practice to create separate application pools for each application?

推荐答案

Reposted from ServerFault, "Why add additional application pools in IIS?"

AppPools can run as different identities, so you can restrict permissions this way.
You can assign a different identity to each app pool so that when you run task manager, you know which w3wp.exe is which.
You can recycle/restart one app pool without affecting the sites that are running in different app pools.
If you have a website that has a memory leak or generally misbehaves, you can place it in an app pool so it doesn't affect the other web sites
If you have a website that is very CPU-intensive (like resizing photos, for instance), you can place it in its own app pool and throttle its CPU utilization
If you have multiple websites that each have their own SQL database, you can use active directory authentication instead of storing usernames/passwords in web.config.

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