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HomeHomeUsing DNN Platf...Using DNN Platf...Performance and...Performance and...An application restart every few minutes due to the application reaching of its memory limits An application restart every few minutes due to the application reaching of its memory limits
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7/6/2012 3:58 AM
 
I found that in some installations of DNN, no matter if it is an upgrade or fresh install I get an application restart every few minutes due to the application reaching of its memory limits (I set them to 250kb which has to be well over the requirements and recycle time to 40 minutes)
Especially, I get this issue in one installation which started on dnn6.1 as fresh install and upgraded to 6.2 and had this problem since its first installation.
When I set the ram unlimited the application is working great though.
In both cases of ram limit The cpu utilization is chocking the server (shared hosting) which makes my host company very unhappy.
I suspect that it has to do with the multi-language system (English/Hebrew in my case) but this is not really an observation since even if I removed the Hebrew language pack I get the same problem.
I set the symbols files for debug in order to get a detailed log file and actually get only language issues in it.
I tried removing every unnecessary module from the system but it keeps restarting.

I wished this issue will be address here but could not find almost any reference to it.
I’ll appreciate any advice regarding this,
Yehuda

Yehuda Tiram
AtarimTR
AtarimTR
972-2-5700114   |   972-54-4525492   |    http://www.atarimtr.co.il
 
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7/6/2012 4:36 AM
 
I fear, 250kb might be too limited for your web site. It has been reported before that DNN 6 has a significantly increased memory footprint, but this has not been analysed in deep yet, sorry.

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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7/6/2012 5:44 AM
 
Thanks, Sebastian. Any unofficial recommendation about the needed size for 6+?
I think this issue is critical and probably will waste a lot of time for others like it wasted my time. Also, it affects the satisfaction from the 6+ releases which is really great improvement.
In more general perspective, it has an impact on any shared hosting clients and providers.
Do you have any reference for this issue I can read? (I checked Cathal’s and others blogs and posts but there are no conclusive guidelines about it )

Yehuda Tiram
AtarimTR
AtarimTR
972-2-5700114   |   972-54-4525492   |    http://www.atarimtr.co.il
 
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7/6/2012 7:01 AM
 
Yehuda,
it is hard to provide proper memory size, since it depends on the amount of code being used (modules and providers installed) as well as objects being created and cached (portals, users, pages, modules, ..). I remember a post from Alex Shirley, who noted that DNN 6 required about double the amount of memory than DNN 5. I talked with Shaun Walker about this yesterday and DNN Corp. engineering should have a look at it for DNN 6.2.2

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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7/6/2012 7:42 AM
 
Thanks for the info. When is 6.2.2 due to be released?
Just to give some feedback about my configuration, I am talking about a new site which is not in production yet, no users, no traffic etc. so the load is very low. (the restart occurs during our testing and content feeding)
I removed every module I can and left with some core and Ventrian NA and Gallery
Disabled the scheduler completely and actually took all measures suggested in performance documents and posts. (removed widgets option etc.)

Yehuda Tiram
AtarimTR
AtarimTR
972-2-5700114   |   972-54-4525492   |    http://www.atarimtr.co.il
 
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HomeHomeUsing DNN Platf...Using DNN Platf...Performance and...Performance and...An application restart every few minutes due to the application reaching of its memory limits An application restart every few minutes due to the application reaching of its memory limits


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