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Initial requests are taking 3-5 seconds, subsequent calls takes < 500 milliseconds. Service makes a light weight stored proc call and there is no latency found when we profile it.
This service does not hit very frequently and Idle Time-out of the Process model is 20 minutes (default). We tried to hit it every 19 minutes but no change.

Service running under IIS 7.5 with .Net framework 4.5

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  • Is there anything else running on the server? Commented Jun 4, 2013 at 17:45
  • No. Just this service. Commented Jun 4, 2013 at 17:48
  • Did you try something like Glimpse to profile the service? Commented Jun 4, 2013 at 17:54
  • Glimpse is like ELMAH ? Commented Jun 4, 2013 at 18:18

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The first request for an ASP.NET website always takes some time because the code needs to be compiled. You can install a module for IIS that automatically makes that initial request so you don't get that slowdown yourself.

http://www.iis.net/downloads/microsoft/application-initialization

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How could a request before the time out expires be considered a "first request"? :)

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