rendering question with "grand total" takes (too/very) long

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il y a 6 mois 1 semaine #183129 par silverlime
thanks for discussing the topic !

i set up a fresh install with original vanilla-theme (ajax deactivated) for testing purpose:

p511325.mittwaldserver.info/limesurvey/index.php/135149?lang=en

can you reproduce the time-lag ?


axel
Pièces jointes :

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il y a 6 mois 1 semaine #183130 par holch
256 MB of memory is fairly low, in my opinion, especially if you want to run bigger studies. LS creates realtively big session files and your memory might fill up quicker as you think.

But this should not be your problem with the loading. Yes, it took quite a while for the whole thing to load. While the question showed up relatively quickly, it took quite a bit until I could start filling the form.

I'm not a LimeSurvey GmbH member. I answer at the LimeSurvey forum in my spare time. No support via private message.
Some helpful links: Manual (EN) | Question Types | Workarounds

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il y a 6 mois 1 semaine #183139 par jelo

holch écrit: 256 MB of memory is fairly low, in my opinion, especially if you want to run bigger studies. LS creates realtively big session files and your memory might fill up quicker as you think.

Session files are not filling up the memory by default, but the storage.


As showed a few times the issue is in the javascript theme routines. If survey creators monitor their surveys they will see a dropout on questions with this problematic behavior. Mobile device browser will be even more slower (performance, memory limits). The root cause is unknown to me. The question is, if it's an issue inside the provided lss export or a generic questiontype issue.

The meaning of the word "stable" for users
www.limesurvey.org/forum/development/117...ord-stable-for-users

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il y a 5 mois 4 semaines #183444 par silverlime

jelo écrit:
As showed a few times the issue is in the javascript theme routines. If survey creators monitor their surveys they will see a dropout on questions with this problematic behavior. Mobile device browser will be even more slower (performance, memory limits). The root cause is unknown to me. The question is, if it's an issue inside the provided lss export or a generic questiontype issue.


The lss-export is a standard-export from a standard-installation - nothing special in it ;-). Same for the provided link to the test-installation: p511325.mittwaldserver.info/limesurvey/index.php/135149?lang=en

Unfortunately i cannot setup a 2.X installation shortly. With the lss-export and the link, the problematic behaviour in 3.X should be able to monitored/investigated. Anyone who could help?

Thank you !

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il y a 5 mois 4 semaines - il y a 5 mois 4 semaines #183447 par DenisChenu

holch écrit: As showed a few times the issue is in the javascript theme routines. If survey creators monitor their surveys they will see a dropout on questions with this problematic behavior. Mobile device browser will be even more slower (performance, memory limits). The root cause is unknown to me. The question is, if it's an issue inside the provided lss export or a generic questiontype issue.

I spoke with one user who have 100 line array with a lot hidden, and there are issue.

We think of a solutioin to deactivate javascript checking, doing only PHP checking for all expression.

I think it can be done disable the default events on the item.

And can be (sometimes) a solution. Not here since javascript must be done …

Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member, professional service on demand , plugin development .
An error happen ? Before make a new topic : remind the Debug mode .
Dernière édition: il y a 5 mois 4 semaines par DenisChenu.

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il y a 5 mois 5 jours #184240 par silverlime
Two additional questions
  • As there seems to be no quick solution for versions 3.X, I plan to stay with Version 2.X: Do you consider version " limesurvey2.6.7-lts+171212" still as secure or are there known vulnerabilities in it?
  • Could you explain "I think it can be done disable the default events on the item." Is there a possible workaround which i could test?

Thank you !

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il y a 5 mois 5 jours #184248 par DenisChenu

silverlime écrit: As there seems to be no quick solution for versions 3.X, I plan to stay with Version 2.X: Do you consider version " limesurvey2.6.7-lts+171212" still as secure or are there known vulnerabilities in it?

Yes, there are, even in github.com/SondagesPro/LimeSurvey-SondagesPro i'm late on security checking (must look at security fix on 3.X)

silverlime écrit: Could you explain "I think it can be done disable the default events on the item." Is there a possible workaround which i could test?

The javascript checking for action is done here : github.com/LimeSurvey/LimeSurvey/blob/ma...avascript.js#L26-L48

If questionXXX don't need js checking , only PHP checking, i think you can use jquery.off : api.jquery.com/off/ to disable the event check.

Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member, professional service on demand , plugin development .
An error happen ? Before make a new topic : remind the Debug mode .

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