This is a very valid topic. Right now on DNN.com the forum is not within the top 10 modules used on this site in database hits. (SQL Profiler). That being said, I don't think that is a good reason to not enhance performance. Except when this site is getting bombarded by a bot, I never see a huge wait time like that. The modules caching and how emails are sent would definately help here. It does make good use of cache now, but it could be a better method. Sometimes I wonder how much of this time is actually DNN though. I have noticed that if I am using a site that has moderate or above caching in the host settings, I seem to zip through everything after the tab being hit at least once by someone.

The email processing for notifications is slowing down post submits. After the initial click the db is hit 2x (one to add post, one to get whom emails should be sent out too). Then all the email sending is done for everyong in that list, then the user is redirected back to their post. (Or  a Post to be moderated notice depending on moderation status) Loading a text editor can be a bit intensive as well. Not so much the module can do here.

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Chris Paterra

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The email sending in a seperate thread requires a queue system to be created and scheduled tasks to run. This is something I am looking into but since much more than just the forums can take advantage of this, I am looking at this as a core enhancement.

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Chris Paterra

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