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Very slow loading

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1 year 7 months ago #231033 by gtr097
Very slow loading was created by gtr097
Please help us help you and fill where relevant:
Your LimeSurvey version: 5.X
Own server or LimeSurvey hosting: Own Server
Survey theme/template:
==================
Hi,
I had Limesurvey installed on a VM with internet connection and it was working fine.
Then I exported the VM and moved it to our local VM server witch it does not have internet.
I realized that when I move from page to page the loading is very slow that it might takes 15 sec of waiting. 
I just moved the VM from internet to local so I am not sure what is the issue. Is there any files that are internet dependent that might cause this? Please let me know.
Thanks.

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1 year 7 months ago #231043 by holch
Replied by holch on topic Very slow loading
In the past, when Limesurvey was loading slow without internet connection, this was usually to the check for updates through "comfort update". However, this issue should not appear once logged in, but only at the beginning when login in, as Limesurvey tried to contact the Comfort Update server.
manual.limesurvey.org/Optional_settings#Update

As far as I know, this issue should be solved in LS 5 though, and your issue arises when navigating from page to page (I assume you are not talking about a survey, but about the LS Admin Backend?).

I answer at the LimeSurvey forum in my spare time, I'm not a LimeSurvey GmbH employee.
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1 year 7 months ago - 1 year 7 months ago #231066 by Ghassan
Replied by Ghassan on topic Very slow loading
.
Last edit: 1 year 7 months ago by Ghassan.

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1 year 7 months ago #231068 by gtr097
Replied by gtr097 on topic Very slow loading
So you are suggesting to comfortUpdate? But my LS version is already 5.X.
And yes, the issue arises when I navigate from page to page in admin panel.

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1 year 7 months ago #231092 by holch
Replied by holch on topic Very slow loading
No, I am not suggesting to update if you are already on LS 5.x.

I was just mentioning that there once have been problems with loading Limesurvey, but in older versions and during the login process. So I don't think it is the same issue here. But who knows. Any chance to get this new VM connected to the internet for a test? Just to see if it really has just to do with the internet connection or if there must be something else happening?

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1 year 7 months ago #231147 by gtr097
Replied by gtr097 on topic Very slow loading
I did the installation twice to test. First time, I created VM from scratch on local and installed Limesurvey then transferred my surveys that I created before and this when I realized the slow loading. Second time, I moved the exact VM that was working fine on internet to local, but the same issue was occurring.

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1 year 7 months ago - 1 year 7 months ago #231149 by jelo
Replied by jelo on topic Very slow loading

and this when I realized the slow loading. Second time, I moved the exact VM that was working fine on internet to local, but the same issue was occurring.

 
You will have to debug on your own. If you have a VM without any internetconnection, many things can cause a lag in many parts of a VM. You have to narrow down the sources of slowdown.
Are you only experience the slowdown when filling out a survey? What is the behaviour when creating and editing a survey?
If it's only when filling a survey, try to create a simple survey from scratch and try the different themes.
Debug with different browsers.
 

The meaning of the word "stable" for users
www.limesurvey.org/forum/development/117...ord-stable-for-users
Last edit: 1 year 7 months ago by jelo.

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1 year 7 months ago #231150 by gtr097
Replied by gtr097 on topic Very slow loading
Thank you for replying, I have already tried different debug methods but no result. The issue only arises when I navigate from page to page in admin backend. For surveys its working fine with normal loading.

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1 year 7 months ago - 1 year 7 months ago #231151 by jelo
Replied by jelo on topic Very slow loading

 The issue only arises when I navigate from page to page in admin backend.

 
Login in the backend is slow too?
Since you have no internet connection for the VM, I would try to deactivate the ComfortUpdateChecker and UpdateCheck plugin.
You find these two plugins in the Plugin-Menu in Settings.

 

The meaning of the word "stable" for users
www.limesurvey.org/forum/development/117...ord-stable-for-users
Last edit: 1 year 7 months ago by jelo.
The following user(s) said Thank You: gtr097

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1 year 7 months ago #231152 by gtr097
Replied by gtr097 on topic Very slow loading
Thank you very much!! These updates plugins were causing the issue now its working fine after deactivating them. Thank you once again :)

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1 year 7 months ago #231153 by tpartner
Replied by tpartner on topic Very slow loading
Go jelo, go!

Cheers,
Tony Partner

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1 year 7 months ago - 1 year 7 months ago #231155 by tammo
Replied by tammo on topic Very slow loading
Great find. 
Wouldn't it be a good idea to do those checks only directly after login? Or only after checking if there is an internet connection?

Tammo


Tammo ter Hark at Respondage
For Limesurvey reporting, education and customized themes
respondage.nl
Last edit: 1 year 7 months ago by tammo.

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