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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...Frequent AppDomain recycling & memory allocationFrequent AppDomain recycling & memory allocation
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5/12/2008 7:32 PM
 
Pat James


Joined: 10/3/2007
Posts: 41

My site (4.8.2 running on IIS7/WS2008) is recycling constantly, as in about 25 times in a 45 minute duration.

My hosting provider says it is because DNN is "a memory hog" and it is running up against the IIS rules for shutting down an AppDomain when it exceeds its memory allocation.  They told me they would bump my memory allocation up to 15MB...which seems pretty small to me.

What size memory allocations are other seeing for smooth operation in a hosted environment?

I've got page state persistence set to Page (not memory), module caching to Disk (not memory) and performance setting to Light Caching.

I uninstalled heavy hitter modules like Blog, Events, and Announcements that I am not using.

Any other suggestions?  I am not seeing other errors in my event view, just "The AppDomain shut down because of the hosting environment." over and over.

Plus, DNN is throwing up the Install/UnderConstruction page whenever it recycles, which is a poor experience for my users.

Any suggestions or insights for working with the hosting guys?  Are they being unrealistic in thinking that 15MB is enough?
 
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5/13/2008 11:47 AM
 
Devin Lavigne

Joined: 5/25/2005
Posts: 5

I am having the same issues.  What host are you with.  I'm also wondering if there is another announcement module that works a little quicker.
 
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5/13/2008 7:05 PM
 
eck two

Joined: 11/15/2003
Posts: 364

More likely, the server needs to have .Net 2.0 SP1 installed.  This is known bug fixed in SP1.
 
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7/16/2008 12:47 PM
 
Laverne Douglas

Joined: 1/5/2005
Posts: 35

I have .Net 2.0 SP1 installed and I have the same problem.  Mine appears when the app re-compiles. E.g. IIS recycle, module install, web.config change, etc. I was think of adding a rule to the rewriter that redirects back to '~/default.aspx' whenever '/install/underconstruction.html' is called. At least that way user will at least still think that all is well.

Note: In the event log right after 'Application Shuting Down', there would be an 'Application Starting'. Strangely this is now missing and the Under Construction page is appearing instead. This would seem to indicate that DNN is not auto restarting after a shut down and taking the easy way out and show an HTML page.

Thanx

L Douglas
 
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7/16/2008 1:02 PM
 
Chris Smith


www.nddllc.com
Joined: 1/25/2003
Posts: 681

What are the settings (in IIS) for your ApplicationPool? In particular the Performance and Recyling tabs.

 
 
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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...Frequent AppDomain recycling & memory allocationFrequent AppDomain recycling & memory allocation


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