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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Separate web and db servers - or one bigger server?Separate web and db servers - or one bigger server?
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5/29/2009 7:30 AM
 
Hollywood

Joined: 11/25/2006
Posts: 74

Hi

I'm currently running www,runsaturday.com on GoGrid and from all the analytics I've run, it seems to be running out of RAM.... basically SQL Server needs 150MB and ASP.NET seems to want 150MB and together they bring the server to a thrashing state...

I'm now looking to double my available RAM allocation

Because GoGrid pricing is RAM based, for the same price I have the option of:

- a single server with 1GB RAM

- two servers with 512MB each - which I would use one for SQL2008 and one for IIS/ASP

Obviously the two server situation gives me more processing power (and probably less contentions on things like hard disk access) but I'm not sure which of these is actually the better configuration.

Does anyone have any comments or suggestions?

Thanks

Stuart
 
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5/29/2009 8:11 AM
 
Chris Smith


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

IMHO, strictly from a security standpoint, IIS and SQL Server should be on separate servers, preferably with a firewall between them. IIS is exposed to the world, I don't think having SQL server on that box is a great idea.

Then from a performance standpoint, both SQL and IIS are heavy memory consumers, in the case of DNN where caching is relied on heavily, this raises the chance of a conflict.

HTH
 
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5/29/2009 8:25 AM
 
Sebastian Leupold


Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

Sebastian Leupold's Avatar

www.dnnwerk.de
Joined: 3/8/2004
Posts: 46212

On two machines, you will need twice the RAM for windows, but you get two processors ...

it depends, which of these resources will be first the bottleneck

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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5/29/2009 11:23 AM
 
Swanzey Internet Group LLC


www.swanzey.com
Joined: 9/10/2003
Posts: 454

Budget aside, I think that putting sites and databases on different boxes is the way to go. You'll sleep much better with a database that's locked down and separate from the IIS box, and if you're doing e-Commerce, it is often a requirement anyway.

Eric Swanzey
www.swanzey.com
 
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6/1/2009 6:32 AM
 
Hollywood

Joined: 11/25/2006
Posts: 74

Thanks for the feedback.

I think I'll go for 2 boxes :)

Stuart 
 
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