How can ASP.NET's "Request Wait Time" be 0 when "Requests Queued" is consistently in the hundreds?

Posted by ondrej on Server Fault See other posts from Server Fault or by ondrej
Published on 2010-05-15T22:09:01Z Indexed on 2010/05/15 22:10 UTC
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performance-monitoring

I'm curious why Performance Monitor claims I always have a few hundred ASP.NET 3.5 requests "queued". The "Requests Queued" "ASP.NET v2.0.50727" performance counter is hovering in the few-hundred range despite the fact "Request Wait Time" is consistently 0. If each and every request never waits even a fraction of a millisecond, how could it be in the queue?

The "ASP.NET Apps v2.0.50727" counters for "Requests In Application Queue" and "Request Wait Time" are always 0.

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