Perfmon: which counter identifies that threads are waiting?

Posted by frankadelic on Server Fault See other posts from Server Fault or by frankadelic
Published on 2010-04-15T23:26:41Z Indexed on 2010/04/15 23:33 UTC
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While load testing an ASP.NET app, we find that the pages are taking 20-30 sec under heavy load.

We suspect this is because the pages are waiting for database calls or web services.

Is there a particular perfmon counter that can identify this sort of bottleneck on the web servers? CPU, Memory, and Disk are normal.

Or must we use a tool other than perfmon to track down this bottleneck?

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