Slow 1st Load.  I have a site that is built with ASP.NET.  I really need help w/ this.

Posted on 2007-12-06
Last Modified: 2013-11-07
Hello, I am having a really hard time figuring this out.  

I have a site that has a very long load time on the first visit.  Then it is very fast for the rest of the time I use the site.  I know it compiles, but I can only be idle for about 1-2 minutes before I have to wait for the long load.

I have about 1800 301 redirects.  Could this be it?  

I wrote a page that frames our site and then refreshes every 5 seconds.  I ran it from my computer and 2 hours later I visited the site.  This worked.

I don't want to have to keep this page running on my computer 24/7.

I put it on a cron job on another server to duplicate this.  I did a get contents in php.  I also tried the frame, but neither have the same effect.

In the apps he set the purge info to 2 hours, so this 1st page load lag should not be happening.

The developer I'm working with can't figure it out either.  Please give me any suggestions.  I'm freaking out here.  Thanks.
Question by:smoothcat11
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Expert Comment

by:Jens Fiederer
ID: 20421878
Have you tried using precompiled code?

Author Comment

ID: 20421918
Yes, the code is precompiled.  I am stuck on this.  If you have any other ideas, I would appreciate it.  Thanks.
LVL 23

Expert Comment

by:Jens Fiederer
ID: 20422266
The reason I asked was that you said "I know it compiles", which would not be true if you had precompiled it.

I would have asked about application/session events, but if only 2 minutes go by, that sounds too short for a session to time out.

Perhaps it is ALWAYS very slow, and only gives the APPEARANCE of better speed because you are only picking up a cached copy?  Is your page REALLY being "hit" on the fast ones?

Some tools and techniques for monitoring and improving ASP.NET performance are HERE:
3 Use Cases for Connected Systems

Our Dev teams are like yours. They’re continually cranking out code for new features/bugs fixes, testing, deploying, testing some more, responding to production monitoring events and more. It’s complex. So, we thought you’d like to see what’s working for us.


Author Comment

ID: 20422351
You're right.  It doesn't compile if it is precompiled.  That was a good question.  I am not that familiar w/  I usually use PHP which doesn't need to compile.

It's not the cache.  I go to brand new pages never hit and it's blazing.  It's just the initial load.

Are there any settings in the apps to make this not time out?  If so, can you tell me what they are?  Thanks for your time.

LVL 23

Expert Comment

by:Jens Fiederer
ID: 20422418
You could play with sessionTimeout in web.config, but it seems unlikely for it to have been set as low as 2 minutes.

Author Comment

ID: 20503732
It was the firewall!!!  Aparently the power supply had to be replaced.  Who would have thought that??? Also there were issues w/ some other hardware on the server.  Took forever to figure out.  I hope this helps someone!  Thanks.

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