It is a good idea to do some regular cleanning with your DNN / SQL server to keep the servers lean and mean!

• Index the SQL database often
• Defragment the HDD often
• Turn off the logging by IIS
• Deleted the IIS logs
•  

Use maintenance plans for SQL server and scheduled batch scripts for IIS log files and defragmentation of the HDD.

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I used to think memory was the key factor that caused the dnn site performance issue. Lately I started to realize there are something else that have been giving me trouble - handles, threads can not go over certain number otherwise  the site won't behave well.

In order to find out a way to reduce the # of handles/threads, I came across this post which helped me a lot. The performance increase is dramatic.

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1.  DNN daily cleanning:   Go to host>SQL (run as script) ==================================================== truncate table {databa...

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The easiest way to get rid of the sitelog is to turn it of in the Host settings and then run from the Host Menu -> SQL:

(1) truncate table Eventlog
(2) truncate table SiteLog
(3) truncate table ScheduleHistory
(4) truncate table SearchItemWordPosition

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Both of these posts miss the original point that Joel was trying to make:  Ruby is still not a mature language, and Ruby on Rails is even less mature.  There is no evidence yet that Ruby or Ruby on Rails applications will scale to the level typically required for many large scale web applications.  There are well documented performance issues, that Joel rightly points out.

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Shaun Walker on DotNetNuke Performance

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As many of you know, the next major release of DotNetNuke ( 4.4.0 ) is focused entirely on performance and scalability improvements. However, in order to accurately identify the areas of DotNetNuke which needed to be tuned or optimized, it was first necessary to have a solid understanding of how IIS and ASP.NET operate in Windows hosting environment. In our research we found surprisingly few resources on this subject; especially resources which presented the information in a clear and concise manner. Therefore we thought it would be useful to improve the knowledge base in this area and share our findings with the community.

 

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Test site speed.

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1. web compression blowery.org 2. css compression flumpcakes.co.uk 3. compressed photos (Biggest issue..... Decent looking pictures kill load time!) 4. deleted blank spaces in default.aspx file 5. deleted blank spaces in skin file 6. css skin as appossed to tables 7. www.KeepAliveForever.com 8. caching set at high   http://forums.asp.net/1235032/ShowPost.aspx   (This link is very useful) http://blogs.snapsis.com/PermaLink,guid,e40942b7-06d2-4cfb-b8f3-aacb19af4323.aspx

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http://forums.asp.net/1069538/ShowPost.aspx

http://forums.asp.net/1210288/ShowPost.aspx

 

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http://forums.asp.net/1236822/ShowPost.aspx

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1: Use cache for as many modules as possible. Don't put in modules just because you can. Put in modules that actually gives you something back. IE, avoid Rss feed if you don't need it. Why? Because it will take longer to load your page. Same goes for other modules as well.

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http://www.dnncreative.com/Tutorials/DotNetNukeandHttpCompression/tabid/154/Default.aspx

Steps for Blowery Compression:

 

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Go to host -> SQL

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