Combine a large survey

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3 years 9 months ago #104397 by TBloem
TBloem created the topic: Combine a large survey
Hi all,
I already found a few topics on this forum and on google. But I'm unable to find THE solution.

I have a survey with 954 questions (not everyone has to pass each question ;) ).
Due to server problems, I had to switch to another server during the first week of the survey. This means that I have 3021 responses on one server and 947 on the second one.
As you can see, a lot of data.

This hugh amount of data causes a lot of problems when exporting and merging both survey's.
  • When I use export VV (only complete answers - csv - last VV version): I see a page with error: Page nog found.
  • When I use export to program (csv - only complete answers): I see a white page. Each combination I use within which questions I want to export or how many responses. I only see the white page.

Does somebody have experience with this?

Please advise.

KR

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3 years 9 months ago - 3 years 9 months ago #104403 by Ben_V
Ben_V replied the topic: Combine a large survey
HI,

Maybe you are facing some server limits... If I were you, I'll try to export the entire database via PhpMyAdmin and then reimport it into a similar local installation. Probably you 'll be more lucky exporting vv files

BTW, please indicate the LS version you are using ;) .

Benoît

EM Variables => bit.ly/1TKQyNu | EM Roadmap => bit.ly/1UTrOB4
Last Releases => 2.6x.x goo.gl/ztWfIV | 2.06/2.6.x => bit.ly/1Qv44A1
Demo Surveys => goo.gl/HuR6Xe (already included in /docs/demosurveys)
Last Edit: 3 years 9 months ago by Ben_V.

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3 years 9 months ago #104404 by TBloem
TBloem replied the topic: Combine a large survey
Hi Ben,
thanks for your reply!

I'll give it a try and inform you if this can help me.

I use this version: Versie 2.05+ Build 140116

KR!

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3 years 9 months ago #104421 by DenisChenu
DenisChenu replied the topic: Combine a large survey
Maybe something with memory (PHP need more memory).

Please activate debug (debug=2 in config.php)

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

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3 years 8 months ago #106360 by TBloem
TBloem replied the topic: Combine a large survey
Hi all,
I got this message: Foutcode: ERR_FILE_NOT_FOUND
But the page exists, when I try with less enteries, everything works fine.

I changed max_execution_time to 600s and memory_limit is on the maximum, 128M.

Does somebody have another solution?

Thanks for your time!!

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