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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Went live and having issues where DNN timeouts on IIS Restart/RecylingWent live and having issues where DNN timeouts on IIS Restart/Recyling
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6/10/2009 5:27 PM
 
Chris Csanyi


Joined: 6/14/2007
Posts: 106

I can not get the site to come back from an IIS restart when we have heavy traffic during the day.  What is going on at the start up of DNN that would create a problem that it locks up and no way to get the site to come back besides pulling the plug to the internet until it comes back?  Never had problem during development since the load is not present a very hard to test and debug what is causing the restart/ recyling process to fail when the site is live vs dev.  Any ideas would be helpful because it has been a pain.
 
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6/10/2009 7:10 PM
 
Chris Onyak


www.OnyakTech.com
Joined: 8/27/2003
Posts: 799
Open the Schedule table in your DotNetNuke database and set the Enabled to False for all. Then try to open your site. You may have a scheduler that is set to run on the Application Start event and that scheduler needs access to DNN resources that are not yet available at the start-up. Also check to make sure your site is using it's own application pool and that you don't have the pool being restarted too often or at set memory or processor limits.

Professional DNN Extensions, custom solutions and mobile apps since 2003.
www.OnyakTech.com
 
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6/10/2009 7:30 PM
 
Chris Csanyi


Joined: 6/14/2007
Posts: 106

We do have the website in it own application pool.  If we change the host headers on the install that is failing to something that is not live it runs just great.  Only when it recyles or we update the some files that restarts the site we have problems getting it to come back online when we have it pointing to a live dns site.  Today pulling the plug on the internet to get it to come back up worked.  Problem is we can keep doing that.

Next time it goes down I will try change the schedule table to false to see if it comes back up.  I think it is related to schedule or another process that is running only on startup.  Site runs great for two or three days then will have the issue trying to get it back from a restart/recycle.  Thanks for the idea Chris
 
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6/16/2009 11:15 AM
 
Chris Csanyi


Joined: 6/14/2007
Posts: 106

I was able to get SQL Traces today when the server was down.  The one query that it seemed to get stuck on was this one.  The duration was around 30,000 so I am guessing this is why I am seeing timeouts.  Once I disconect the network from the internet the site is able to recover and come back up no problems.  Why would this query take so long to run inside of DNN but not Query analayzer?  Need some help because people don't understand why the site is going down and can't come back up.

This is the long query/stored proc.

exec dotnet.dnn_GetModuleByDefinition @PortalId = 1, @FriendlyName = N'Site Settings'
 
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6/16/2009 11:48 AM
 
Sebastian Leupold


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Sebastian Leupold's Avatar

www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212

 execute the sproc from management studio and review execution plan.

Cheers from Germany,
Sebastian Leupold

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Went live and having issues where DNN timeouts on IIS Restart/RecylingWent live and having issues where DNN timeouts on IIS Restart/Recyling


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