ASP.NET website http requests appear to be queueing

Posted by scolemann on Server Fault See other posts from Server Fault or by scolemann
Published on 2009-12-13T06:51:03Z Indexed on 2010/03/11 4:41 UTC
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iis6

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ASP.NET

We cloned our servers this weekend into a colo. All non-asp.net sites are performing great, but ASP.NET sites are very slow. It appears to be an issue with the requests/connections, but I cannot figure out where.

The reason I think it is a problem with the connections is that when I launch fiddler and watch the requests, all requests appear to happen sequentially. Even the static image requests are taking 5 seconds and another one doesn't start until the first one finishes.

MaxConnections is set to 100 in machine.config and the "website connections" are set to unlimited.

Any idea what else coudld be causing this?

from machine.config:

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