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Last Post 07-24-2012 05:04 AM by Beccy H. 7 Replies.
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sentientUser is Offline
river guide
river guide
Posts:127
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06-17-2012 09:03 PM
    On multiple sites using a DR form with only 4 fields we are getting timeouts and often 15 seconds wait time.

    We are using: 
    DNN 6.1.3
    DR 4.2.0 Enterprise

    This is so bad we may request a refund as the sites are unusable. Is there any way to make this work without having to hack together a keep-alive on the server which is absurd. 
    Chad NashUser is Offline
    Posts:5260
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    06-18-2012 08:31 AM
    Hi... This seems like there must be something else going on because we have not had any other reports like this and I also know we added some great new caching features within the latest release.

    Can I ask you a few things...
    1. Was this an upgrade or fresh installation?
    2. Do you see any errors under Admin, Event Viewer?
    3. Does it always take this long or only for initial load / if you have not been to this page for a while?


    Thanks,

    Chad
    sentientUser is Offline
    river guide
    river guide
    Posts:127
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    06-24-2012 05:49 PM
    I see a 400 - 500% longer page load time on pages with DR for DF. We have optimized and very fast servers which perform excellent with ALL other modules and pages...

    Does anyone else have performance issues with the DR or DF modules? I would like to compare notes to see how to make it work better.
    Chad NashUser is Offline
    Posts:5260
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    06-25-2012 09:01 AM
    Yes... If anyone else is also having this problem, please post any details here. The only difference for what was added (that should have an impact like this) are related to new caching features... So also, if you are having problems please mention the specific hosting/module caching features you are using (File/Memory/etc..).

    Thanks,

    Chad
    sentientUser is Offline
    river guide
    river guide
    Posts:127
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    06-25-2012 05:21 PM
    Chad, is there a certian server feature that would help?
    We have Dynamic compression working, memory module caching, Fplenty of memory allocated to the app pool with no timeout.
    Perhaps output caching? Are you familiar with this and do you know how to work it?

    We are seeing many jQuery errors when rendering the page. Every form item is stepping into the jQuery file and returning exceptions. I also notice that DR 4.2 is using 2 different and both old versions of jQuery. THe DNN 6.1.5 jQuery version is set to 1.6.4

    I'm totally stumped. It is happening on our local server (Windows 7) and on other independent servers. The only issue is the datasprings modules so there MUST be something going on with them. Everything else works lightning fast.
    Temple CaveUser is Offline
    new to the springs
    new to the springs
    Posts:2
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    07-17-2012 02:33 PM

    Among several other issues, I'm having this problem, as well. If the dynamic forms or the registration modules haven't been used recently, it can take as long as 30 seconds to bring the pages up.

    After the initial load time, the modules stay up and perform normally. However, if left idle for an extended period of time, they behave like DNN does when it recompiles if there is no keep-alive to keep the application pool up. Only in this case, I do have a keep-alive running on the DNN server.

    Chad NashUser is Offline
    Posts:5260
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    07-18-2012 09:08 AM
    Hi... Thanks for posting the details. What version of DNN are you running on? This has been the case with Dynamic Forms/Dynamic Registration for a number of releases I believe, however this was only a problem is the caching was not enabled on the site, or there was not a keep alive service running. Is your keep alive service running and hitting the specific page (or any page) that these modules are on?

    We have spent a great deal of time in the past researching what causes this and we actually tried a number of different setups/configuration options to create the "fastest build". Basically the DLL file for these modules is pretty large (there is about 25,000 lines of code int he main Dynamic Forms code file for example). So trying to get a smaller DLL file I believe that then is cached is more critical then the actual code. I saw this mostly because we tried things such as executing an immediate "exit sub" of the page load for Dynamic Forms and even without any code executing, it would still take a while if the module had not been hit for a while. Keep in mind that the module reference is only hit once you load the actual page it is in though.

    There are some additional steps here I have applied in the past depending on the development/production environment and so forth:
    http://blog.lavablast.com/post/2010...-time.aspx

    So you might want to review some of those settings, especially referencing the compilation batch module.

    We are always welcome to suggestions though.. It's possible we will need to later review debug options/code to get a smaller DLL file size. I have read a few articles though that say the size alone is not the performance problem!

    Thanks!

    -Chad

    Beccy HUser is Offline
    skipping stones
    skipping stones
    Posts:6
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    07-24-2012 05:04 AM
    Hiya everyone

    We have had this problem with DS Dynamic Registration & Dynamic Forms too. We use DS version 4 (we have an Enterprise Licence too) and the symptoms are the same on DNN5 and DNN6. We have had to put a workaround keepalive to keep the page loaded in memory; if we don't do that it takes up to 30 seconds to load!!!

    Chad - We've tried the various things you suggested with enabling 32 bit applications, ajax settings, but in my previous post on this matter (last September 2011 - here http://www.datasprings.com/dnn-modu...very-slow/ ) you mentioned registering the DataSprings assemblies in the GAC.

    I'm assuming this will mean a build of DS to produce the dll's - and it might well improve things, the only thing is I'd like some guidance on how to do this. Could you give us an 'idiots guide' to building DataSprings DLLs and registering in the GAC?

    What would be best is if you can release an update version with the DLLs already built. We'd be happy to renew our licence.

    Hopefully this gets sorted out as there seem to be lots of people with the same problem. Dynamic Forms/ Dynamic Registration are both great products, but hampered by this poor performance.

    Thanks

    Beccy :-)
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