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DDR Menu causing very slow page load time after DNN 9.12 upgrade

Forums > Upgrading DNN Platform
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Justin C

Growing Member



Posts:53
Growing Member




7/21/2023 6:35 AM

    I recently upgraded a DNN Platform 6.2.3 site, following the suggested upgrade path all the way to 9.12.0. I believe it was with 7.4.2 or 8.0.4 I noticed very slow page load time but decided to continue the upgrade path to the end to then diagnose the issue.

    After a lot of investigation I confirmed it is due to the DDR menu provider, and if I removed the skin object (both the register tag <%@ Register TagPrefix="dnn" TagName="MENU" Src="~/DesktopModules/DDRMenu/Menu.ascx" %> at the top and calling it down in the skin) the page load time returned to essentially instantaneous.

    There are only less then a hundred pages total in the single portal site, and querying the tabs tables and related stored procedures all return very quickly, and nothing is found in the DNN event logs or the /portals/_default/logs.

    Any ideas where else to look at what could be causing it?






    Justin C

    Growing Member



    Posts:53
    Growing Member




    7/21/2023 8:08 AM

      Here's the PrefView analyzer output showing the DDR menu as the culprit:






      Will Strohl

      Veteran Member



      Posts:1260
      Veteran Member




      7/21/2023 9:45 AM
        Interesting... Have you checked the theme to see if there are any oddities with the DDR Menu template that's being rendered? It's possible that there is something it's doing that maybe you're unaware of. We haven't yet seen any performance issues with the menu in any recent version of DNN (yet). :)
        Will Strohl

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        DNN experts since 2003 | We Build LOTS of DNN stuff...
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        Justin C

        Growing Member



        Posts:53
        Growing Member




        7/23/2023 7:15 AM





          Justin C

          Growing Member



          Posts:53
          Growing Member




          7/23/2023 1:37 PM
            Well, I wish I had an answer into how this got fixed (especially after sinking a good number of hours into investigating it), I do not know why the GetNavigationNodes call would always end with a "Padding is invalid and cannot be removed." cryptography exception after 15 seconds (this would be per DDR menu skin object placed on the page, so if two were in the skin then it would be 30 seconds).

            What I did do was scrap the site and start the upgrade process over (from 6.2.3) following again the recommended upgrade path, with the only difference this time was uninstalled a couple older unused modules first while still on 6.2.3, and moving from iFinity URL provider to DNN friendly provider earlier (on 7.4.2 instead of on one of the 9.x releases that would throw some errors regarding no content found), and lastly I found caching to be set to none instead of the default heavy. Now the site is on 9.12 and running faster then ever, just wish I had an answer as to what happened the first go around.





            Will Strohl

            Veteran Member



            Posts:1260
            Veteran Member




            7/24/2023 11:58 AM

              It's definitely annoying when you fix something and don't know how you did it. :)  

              Regarding the upgrade getting restarted from the beginning, this is definitely something that may have been the real fix.  Coming up from a version that old, it's SUPER easy to miss or otherwise make a mistake at some point in the process.  That, and being sure to unblock zip files you've downloaded for the upgrade.  

              I've given a pretty comprehensive upgrade talk a handful of times in the past.  Here are some links to help you out!  

              Will Strohl

              Upendo Ventures Was my answer helpful to you? Please... Sponsor Us On GitHub ;)
              DNN experts since 2003 | We Build LOTS of DNN stuff...
              DNN-based E-Commerce w/ Hotcakes Commerce





              Marco Alvarado

              Advanced Member



              Posts:187
              Advanced Member




              7/25/2023 1:55 PM

                Justin, thank you for sharing the full details of how you got the website from a DNN old version to the latest! Great summarize

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