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

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4 years 11 months ago #182968 by silverlime
Dear forum-members and limesurvey-team,

we have a problem with the following question-type

* Array (Texts) and
** show totals row&columns
** show grand total

The rendering of such a question takes several seconds in lime-survey 3.X whereas the same question loads almost instantly in lime-survey 2.x. My guess is, that something has changed in the way the rendering is processed (in qanda_helper.php ?). I would appreciate if anyone had a hint or solution.

We tested it with all versions of limesurvey up to the current. It is also reproducible in the Online demo-version of limesurey. Steps to reproduce:
* create a question as Array (Texts)
* add e.g. 3 columns (X-Scale) an 15 rows (Y-Scale)
* In Question-Settings "Other"
** set "show totals for: Row&columns" and "Show grand total"
** set "only numbers"

Thank you in advance

Axel
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  • DenisChenu
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4 years 11 months ago #182987 by DenisChenu
Can you send a sample lss ?

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4 years 11 months ago #182997 by silverlime
hi denis,

thank you ! i added the lss-file which i exported from the official online-demo of limesurvey

best regards

axel
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4 years 11 months ago - 4 years 11 months ago #183000 by DenisChenu
I can not compare with 2.73, but when checking don't see real difference between 2.6lts and 3.X
on a 2.6lts
on a 3.X without ajax mode

Same (old) server for the 2

Loading:




But right , seems performance is better when updating for 2.6 than 3.X

Did you try without ajax mode ? I always diable ajax mode (and use a theme without ajax mode).

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Last edit: 4 years 11 months ago by DenisChenu.
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4 years 11 months ago #183003 by silverlime
... thanks !

ajax on/off in template doesn't seem to make a difference. i tested both links (on mac os)


* demonstration.sondages.pro/135149
** safari: about 2 sec.
** firefox: about 2 sec.

* demo.sondages.pro/135149
** safari: about 33 sec. !
** firefox: about 7 sec.

in which browser did you test? can you reproduce the above times on firefox/safari?

best regards

axel
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4 years 11 months ago - 4 years 11 months ago #183018 by DenisChenu
On firefox … don't have such difference … I check with reload current page…
Maybe some difference due to server too …

But right : if you can report (with your own server please) it can be great.

PS : i don't have a Safari box : since safari is not Free

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Last edit: 4 years 11 months ago by DenisChenu.
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4 years 11 months ago #183019 by DenisChenu
PS : ifg you can send a video with Safari : it's best :)

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4 years 11 months ago #183021 by silverlime
can't upload mov-file > would you mind to send me your mailaddress?
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4 years 11 months ago #183023 by holch
How about uploading to something like Dropbox and send the link here? No one really wants videos via email.

I answer at the LimeSurvey forum in my spare time, I'm not a LimeSurvey GmbH employee.
No support via private message.

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4 years 11 months ago #183026 by jelo
This issue is not server related. It's not network related. It's browser related.
It took 32.34 s in Chrome Version 73.0.3683.103 (Official Build) (32-bit)

The long delay is mostly caused by a lot of forced reflows.



You might find delays in array filtering / ranking filtering too.

The meaning of the word "stable" for users
www.limesurvey.org/forum/development/117...ord-stable-for-users
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4 years 11 months ago - 4 years 11 months ago #183027 by silverlime
o.k. here the - unspectacular - video (shows firefox) ;-)

cryptstore-cluster01.hornetdrive.com/pri...3UDZ2FQ/IMG_0346.MOV
Last edit: 4 years 11 months ago by silverlime.
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4 years 11 months ago - 4 years 11 months ago #183050 by DenisChenu
Like i say : for reporting an issue

1. Use your own server (or the your limesurvey GMBH account server)
2. Use an included theme (the default or vanilla)
3. If you can use a video recorder : obsproject.com/ for example BUT developper tool can be sufficient
4. If you can use a 2.73 version
5. Make a survey without grandtotal and same screenshot or screenrecorder

But most important (even if you can do none of the previous part) : www.limesurvey.org/community/bug-tracker

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 .
I don't answer to private message.
Last edit: 4 years 11 months ago by DenisChenu.
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