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

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6 years 5 months ago #182968 by silverlime
rendering question with "grand total" takes (too/very) long was created 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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6 years 4 months ago #182987 by DenisChenu
Replied by DenisChenu on topic rendering question with "grand total" takes (too/very) long
Can you send a sample lss ?
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6 years 4 months ago #182997 by silverlime
Replied by silverlime on topic rendering question with "grand total" takes (too/very) long
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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6 years 4 months ago - 6 years 4 months ago #183000 by DenisChenu
Replied by DenisChenu on topic rendering question with "grand total" takes (too/very) long
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).
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member. - Professional support - Plugins, theme and development .
I don't answer to private message.
Last edit: 6 years 4 months ago by DenisChenu.
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6 years 4 months ago #183003 by silverlime
Replied by silverlime on topic rendering question with "grand total" takes (too/very) long
... 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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6 years 4 months ago - 6 years 4 months ago #183018 by DenisChenu
Replied by DenisChenu on topic rendering question with "grand total" takes (too/very) long
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 …
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member. - Professional support - Plugins, theme and development .
I don't answer to private message.
Last edit: 6 years 4 months ago by DenisChenu.
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6 years 4 months ago #183019 by DenisChenu
Replied by DenisChenu on topic rendering question with "grand total" takes (too/very) long
PS : ifg you can send a video with Safari : it's best :)
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member. - Professional support - Plugins, theme and development .
I don't answer to private message.
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6 years 4 months ago #183021 by silverlime
Replied by silverlime on topic rendering question with "grand total" takes (too/very) long
can't upload mov-file > would you mind to send me your mailaddress?
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6 years 4 months ago #183023 by holch
Replied by holch on topic rendering question with "grand total" takes (too/very) long
How about uploading to something like Dropbox and send the link here? No one really wants videos via email.
Help us to help you!
  • Provide your LS version and where it is installed (own server, uni/employer, SaaS hosting, etc.).
  • Always provide a LSS file (not LSQ or LSG).
Note: I answer at this forum in my spare time, I'm not a LimeSurvey GmbH employee.
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6 years 4 months ago #183026 by jelo
Replied by jelo on topic rendering question with "grand total" takes (too/very) long
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
The following user(s) said Thank You: DenisChenu
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6 years 4 months ago - 6 years 4 months ago #183027 by silverlime
Replied by silverlime on topic rendering question with "grand total" takes (too/very) long
o.k. here the - unspectacular - video (shows firefox) ;-)

cryptstore-cluster01.hornetdrive.com/pri...3UDZ2FQ/IMG_0346.MOV
Last edit: 6 years 4 months ago by silverlime.
The following user(s) said Thank You: DenisChenu
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6 years 4 months ago - 6 years 4 months ago #183050 by DenisChenu
Replied by DenisChenu on topic rendering question with "grand total" takes (too/very) long
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 support - Plugins, theme and development .
I don't answer to private message.
Last edit: 6 years 4 months ago by DenisChenu.
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6 years 4 months ago - 6 years 4 months ago #183059 by jelo
Replied by jelo on topic rendering question with "grand total" takes (too/very) long

DenisChenu wrote: Like i say : for reporting an issue

Why all the videos and own server, generic theme requirements? It's a JavaScript issue (recalculating style, reapplying style, CPU till 100%). Or the survey file itself contains something.

I can reproduce that issue (testsurvey via demo.sondages.pro/135149 ) in
Firefox and Chrome (both Windows 7 64bit) as well.





LimeSurvey will need to start pushing updates via different tiers. The take it or leave it approach will render installations useless for productive work. And debugging bugs become more difficult, because so many commits are released at once.
The meaning of the word "stable" for users
www.limesurvey.org/forum/development/117...ord-stable-for-users
Last edit: 6 years 4 months ago by jelo.
The following user(s) said Thank You: DenisChenu
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6 years 4 months ago - 6 years 4 months ago #183062 by DenisChenu
Replied by DenisChenu on topic rendering question with "grand total" takes (too/very) long
1. my demo website is on a old server (more than 11 years of services)
2. my demo link didn't use a core template (myu template have a lot of JS too , can disable but …)

Then LimeSurvey GMBH can always say it's my server or my template … and don't fix the issue.

I think the best way is to use LimeSurvey GMBH server, but here we need to have a «it's better before» …
You can use my 2.6lts for it's better before, but for 3.X issue : use a clean setup on a clean server, OR limesurvey GMBH server (not demo because demo is wiped ech night).

You can use shnoulle.limequery.com/135149?newtest=Y&lang=en for reporting.

PS : strangely : i don't have such big issue on Firefox/Linux or Chromium/Linux : linux POWA \o/
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member. - Professional support - Plugins, theme and development .
I don't answer to private message.
Last edit: 6 years 4 months ago by DenisChenu. Reason: PS
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6 years 4 months ago #183065 by jelo
Replied by jelo on topic rendering question with "grand total" takes (too/very) long
A test with demo.limesurvey.org show the same issues with the LSS export provided.



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