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Application extremely slow in webview but not in developer mode

Hi,

I've got an application that is not too complicated. When I'm running it in developer mode (desktop) changing filters takes less than 0.1 seconds. Running the application in chrome the same change of filters takes more than 30 seconds.

In other applications the difference is nowhere near that large. Sure I have a few calculated dimensions and aggregated expressions, but it's not more complicated than other applications, and the time difference should still not be that big between desktop and web view.

Does anyone have any idea of what could be wrong? I'm pretty sure that it does not have anything to do with the complexity of the application itself...

Thank you in advance!

Tags (2)
4 Replies
sdmech81
Valued Contributor

Re: Application extremely slow in webview but not in developer mode

Hi,

are there any long expression and variables in front end.

If so as per my knowledge that is causig it.I have also experienced same when there will be long and too many expression in front end.

Sachin

Re: Application extremely slow in webview but not in developer mode

Maybe your server is quite busy and has not enough available resources. Another point could be the use of section access which might omit the access to certain fields.

- Marcus

kuczynska
Contributor III

Re: Application extremely slow in webview but not in developer mode

Hi,

This issue could be a mixture of both - available server resources (how many other things you have running at the same time? how many users? is this app slow even out-of-office-hours?) and also QV itself. Example - QV always calculates what's visible on the screen at the moment, i.e. all big straight tables with many dimensions and expressions, bringing large volumes, calculated dimensions, set analysis etc. All hidden, minimized objects or objects on other tabs aren't calculated, which is good. Maybe think about adding some initial bookmarks on opening so the data set is slightly narrowed down for all of your users.

good luck!

Not applicable

Re: Application extremely slow in webview but not in developer mode

Thank you for your replies.

Yes it could be a mixture of the app and server resources. It's interesting (frustrating) because the app itself is not very complicated but have a few calculated dimensions like =if(aggr(rank(sum(XXXXX)), YYYYY)<=ZZZZ, YYYY, Null()) and expressions like If(fabs(column(1))>0, (column(1)-column(2))/fabs(column(2))), and 3 tabs with 4-5 graphs in each.

Sometimes the app runs very fast in web view also (less than 0.1 sec per filter change), but sometimes more than 30-40 seconds. It does seem related to server workload as it's often fast during out-of-office hours. It doesnt make sense though as all the other apps runs just fine, being as complex.

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