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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Hosting DNN WebsitesHosting DNN Websites
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11/13/2012 4:06 PM
 
Heath Shults

Joined: 4/30/2009
Posts: 2

Hello,

I run a small web hosting unit for an industry specific association. I am planning to start hosting DotNetNuke websites. I currently have about 700 sites and they will be switching to the community version of DotNetNuke. Can anyone tell me what to expect in terms of server resource usage when hosting about 350 DNN instances on Server 2008?

Thanks
 
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11/13/2012 10:52 PM
 
David O'Leary


www.efficionconsulting.com
Joined: 7/6/2003
Posts: 335
It will of course depend on a variety of factors such as traffic and modules being used. RAM is going to be your main constraint. But a quick look at some of the sites we host shows most 6.x instances use between 100-200MB of RAM. One of our instances that is running 7 portals and gets lots of traffic is currently using 350MB.
David O'Leary
Efficion Consulting
 
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11/13/2012 11:09 PM
 
CFWebmasters


www.cfwebmasters.com
Joined: 10/4/2007
Posts: 55

That's one of those questions which can have a hundred different answers based on Site size/Activity and configuration.  I can give you a couple of ideas on what to expect, but here is my rule of thumb.

Assuming each site is a separate DNN Host with it's own app pool and the stock installed modules (no 3rd party modules) using memory based caching and averaging about 1k pageviews daily.  Allow for 115MB for each site.  Once you account for the RAM usage your next battle will be processor and that's going to be entirely based on the configuration of the site.

I can usually get about 75-80 dnn hosts on a single Dell R420 with Dual processors and 16GB of RAM but I also like to have lots of headroom for expansion.  I have some DNN sites that are by themselves on a server and it's running at 70% capacity with the single site... there just is no 1 solution because 3rd party modules play a huge role in specs.
 
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11/13/2012 11:20 PM
 
CFWebmasters


www.cfwebmasters.com
Joined: 10/4/2007
Posts: 55

One thought... if it's an industry association and you are deploying sites that are uniform in nature (features, pages, etc.) it may be better for you to deploy each "site" as a portal on a single (or multiple) DNN Host.  Portals are a smaller footprint because you don't have the overhead of the entire framework for each site.  The other benefit is that you can purchase host level licenses for modules instead of one license per site.

Going with the portal scenario you can easily put 400 portals on a single DNN installation... but in practice I would probably do 2 installs with 200 portals instead of one big dnn host.  it makes it easier to manage in the smaller chunks.

I have a few DNN Hosts with 200+ portals each on them and they use about 800MB of RAM and run on older server (I think both are on Dell 1850's with 2GB of RAM and single Xeon processors).
 
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11/14/2012 9:17 AM
 
Heath Shults

Joined: 4/30/2009
Posts: 2

Thanks for the info. I appreciate it.
 
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