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HomeHomeUsing DNN Platf...Using DNN Platf...Performance and...Performance and...Memory leak DNN pagesMemory leak DNN pages
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4/8/2010 7:19 AM
 
Anjum Rizwi

Joined: 1/9/2010
Posts: 1

 My site becomes very slow as soon as number of user increase. CPU usage 100% Memory usage reaches up to 3 GB and it does not decrease after load reduces. 

 

DotNetNuke Community Edition05.01.01 (98)

 

After analyzing the memory dump file using WinDbg. To many page object is alive in memory. So many other business class is also alive referenced page.

Some user control is reference is also in session.

Due to above reason, GC is not able to collect the memory that we think it should be collected by GC however GC only collects where there is no reference in memory.

Any help will be highly appreciated I am struggling for more than 2 weeks. Till now I have used these tools  using CLR profiler,  WinDbg, DebugDiag, Windows Performance counter, TinyGet & VS 2008 for web test & load test

 Thank You,

Anjum Rizwi
 
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4/9/2010 12:48 PM
 
Stefan Cullmann


Stefan Cullmann's Avatar

Joined: 1/6/2005
Posts: 2867
Anjum, did you try the same tests also with a more recent version of DotNetnuke, e.g. 5.2.3 or 5.3.1.? The early DNN5 versions were not as solid as they should have been.
 
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4/16/2010 9:59 AM
 
Senthil Kumar

Joined: 3/10/2009
Posts: 1
We are also facing the same issue with DNN 4.9. We can find ascx, asax and aspx in heap while we check with WinDbg. As you said we have tested with 5.3.1. Now also we are having those objects in heap. Unfortunately with WinDbg we cannot find the exact root of those objects. Thanks in advance. Regards, Senthil Kumar S
 
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