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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...New Administrator- Performance IssuesNew Administrator- Performance Issues
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10/15/2015 1:09 PM
 

I have recently inherited responsibility for my organization's website which was requisitioned outside of our IT department, designed by an external consultant and implemented on DNN.  Due to some performance issues responsibility for the website/server have been given back to the IT department (me) to figure out what is wrong with the site when, unfortunately, I don't have any experience with DNN.

What is happening is that numerous times through the day the server goes through periods of high CPU and Disk usage.  These periods of time can be anywhere from 2-15 minutes where these activities spike at 100% utilization.  At first these spikes seemed to correspond with whenever someone on the web development team added or removed a page from the website.  This makes some sense where DNN would need to then recompile itself.  What eventually started happening is that these spikes would start occurring when they claimed that no changes were being made to the website.  

Now I am tasked with finding the cause and resolution to this issue because during these periods of high utilization, the website is completely inaccessible.  So I'm looking for any suggestions, logs, tweaks, etc... that will help to optimize this server.  As I mentioned, I just had this fall into my lap and I don't have any experience with DNN, so please bear with me and provide details, I won't necessarily understand terminology and jargon related to DNN at this time.  Thanks!

 
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10/15/2015 8:37 PM
 
Adding a page is just adding a couple of entries in the database, no recompile is necessary - but the portal cache might get cleared and data is read again from the database.

I'd check scheduled jobs (Host > Scheduler) and Recycle settings for the IIS website. How many Websites, Pages, Modules, Folders and registered users are there in your DNN?

Cheers from Germany,
Sebastian Leupold (Microsoft MVP)

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
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10/16/2015 5:32 AM
 
Are you the server administrator? what kind of server environment are you running at?

Best Asp Hosting = Best SQL Server Hosting Your best hosting service being checked
 
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10/17/2015 4:38 AM
 
Also please go to Host > Host Settings (if you have host level account) and let us know what version you are on. It may be you just need to upgrade the site to the latest version as earlier versions did have a high CPU usage issue that should be fixed in 7.4.0
 
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10/17/2015 6:38 AM
 
Andrew has a good point, which DNN version are you running?

Cheers from Germany,
Sebastian Leupold (Microsoft MVP)

dnnWerk - The DotNetNuke Experts   German Spoken DotNetNuke User Group

Speed up your DNN Websites with TurboDNN
 
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