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New "upgrade" is very very slow

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New Member


Posts:3
New Member

    I could definitely use some direction and help, and I'm actually open to hiring someone at this point! This is my second attempt at upgrading and it was going way better. But now I'm experiencing extremely long page loads (several minutes) on the staging server. I went through items on this list 
    https://dnnsupport.dnnsoftware.com/hc/en-us/articles/360011743499-DNN-Performance-Issue-Map
    And I had to delete modules and tables to clean old things up. However, I am at a loss at the end of this migration to figure out why the sites load so slowly. I don't even know what questions I should ask to dig for the answer! HELP!

    We're not live yet, but the copy of the sites I took was from 2 days ago and the content will go stale and I don't want to have to start over. So any ideas would be greatly appreciated!



    Veteran Member


    Posts:648
    Veteran Member

      From which version to which version are you upgrading? If you upgrade from an older DNN version, are you using the DNN Platform Suggested Upgrade Path -- DNN Docs (dnncommunity.org)?

      Did you make sure to meet all the system requirements (SQL Server, .Net Framework...) for the version you're upgrading to?

      Happy DNNing!
      Michael

      Michael Tobisch
      DNN★MVP

      dnnWerk Austria
      DNN Connect


      Veteran Member


      Posts:476
      Veteran Member

        Is it just DNN or do you have other extensions as well? I'm asking as I experienced long loading times on an install using a lot of (nested) tokens and I was not sure whether that was DNN related or DNN Sharp related.
        Tjep's digital agencyRegards,
        Tycho de Waard

        Tjep's digital agency
        We just love DNN
        https://www.tjeps.com


        New Member


        Posts:3
        New Member

          I'm going from DNN 9.3.2 (24) on 4.6 to DNN 9.10.2 (0) on 4.8. I have had help from my host provider in doing this. We went to 9.4.4 in the middle there instead of a straight shot. I'm pretty sure we did the Telerik removal, as they were requiring these upgrades for security reasons. It's not my "live" instance yet. They have it on a different server which I log into using RDP and just check the portals on the browser on that local machine. They set up host headers to allow me to use the domains to resolve to this instance just so I can check it before we make it live. I asked if that might be what's causing slowness, but they think it's modules or something else and say they don't provide that kind of expertise and I should ask "a developer." (BTW, I've been working in DNN since version 4 but never on the server side, just the front end.)



          New Member


          Posts:3
          New Member

            I'm not using any DNN Sharp modules anymore, but I did have a lot of third party modules. I spent a lot of time cleaning out what we weren't using. I found many errors in the 9.4.4 interim and cleaned things up. I did it because of the errors, but it didn't start being slow until just at the end of this cleanup.



            Veteran Member


            Posts:353
            Veteran Member

              Honestly, part of the upgrade process should be to remove all unused extensions and upgrade all others every time you upgrade.  This is one of the most common issues I see in some sites that cause issues.  

              Once that's done, maybe revisit your performance settings and even make sure you have a WAF (website application firewall, like CloudFlare) to help with performance.  However, DNN should be performing quite well without it.  The main benefit besides the CDN features is the additional protection for your website.  

              Next, I'd suggest comparing your web.config to a clean web.config of the same DNN version.  This can help you find other missing updates from previous upgrades and sometimes fixes many issues.  

              Here's a presentation that illustrates our upgrade process from last year's DNN Summit conference.  

              https://www.slideshare.net/hismight...ade-simple

              Here's a link to this year's conference too.  The early bird rate is almost over.  

              https://www.dnnsummit.org/

              Will Strohl

              Upendo Ventures DNN experts since 2003
              Official provider of the DNN-based E-Commerce w/ Hotcakes Commerce Cloud and SLA support


              Basic Member


              Posts:92
              Basic Member

                Typically if you are seeing slowness after doing a cleanup of that nature I would start looking at the logs to see if there are recurring errors that are happening that you are not noticing.

                Check the /portals/_default/logs directory
                Check the Exceptions, ExceptionEvents, and EventLog tables in the DB, are they huge?
                ANother common problem on older vintages is a large ScheduleHistory table.

                This is in addition to the other recommendations
                Mitchel Sellers
                Technology Advisory Group Leader
                CEO @ IowaComputerGurus, Inc. a DNN & .NET Solutions Provider
                Technical Blog: MitchelSellers.com
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