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Thread: First ASP.NET call VERY slow on each connection - why?
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This question is not answered.
Helpful answers available: 2.
Correct answers available: 1.
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Replies:
3
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1
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Last Post:
Mar 13, 2009 7:13 AM
by: tomasjs
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Posts:
3
Registered:
3/4/09
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First ASP.NET call VERY slow on each connection - why?
Posted:
Mar 12, 2009 6:42 PM PDT
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I am making calls to an ASP.net service from my desktop app. The first call tales very long - 20 sec instead of 3 sec. All subsequent calls take 3 sec, until I restart my desktop app - then again, the first call is 20 sec or so. What could be the cause?
Thank you.
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Posts:
335
Registered:
12/7/08
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Re: First ASP.NET call VERY slow on each connection - why?
Posted:
Mar 12, 2009 7:53 PM PDT
in response to: keywitness
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ASP.NET does a lot of caching and dynamic compilation, so the first call taking 20 seconds is not surprising.
It's odd that re-starting your desktop would affect how the service is running.
Can you describe your service more? I presume it runs in EC2? Does it talk to a database?
Thanks,
Eric.
www.learnaws.com
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Posts:
3
Registered:
3/4/09
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Re: First ASP.NET call VERY slow on each connection - why?
Posted:
Mar 13, 2009 7:03 AM PDT
in response to: ericlee996
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Yes, it runs in EC2, and it does not use the database. I have actually looked closer into the IIS logs and saw that time-taken is correct - about 3 sec. However, when I call the application (a Web service) from a .NET app on my desktop, the first call takes 20 sec - which means the time is spent somewhere on the connection?
Thanks!
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Posts:
27
Registered:
10/24/08
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Re: First ASP.NET call VERY slow on each connection - why?
Posted:
Mar 13, 2009 7:13 AM PDT
in response to: keywitness
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The first time an application is run, it must dynamically compile it. This is why it's slow on the initial load after you modify it or restart the application.
Google "precompile asp.net" and you'll find some tips for precompiling your app for faster init response.
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