Mezuen egilea: Visvanath Ratnaweera

Moodle in English -> Quiz and question banks -> Improving Quiz Performance for Large Question Banks in Moodle -> Improving Quiz Performance for Large Question Banks in Moodle

Visvanath Ratnaweera -
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The question needs some clarifications:

- "Question Banks"
In Moodle 4.x in a course you go to More and find THE Question bank - not Question banks. Do you mean Question categories?

- Moodle 4.x
How much is Moodle 4.x. That covers a time span from April 2020. In the Moodle quiz world that covers decades! Even within 4.5 LTS, whether 4.5.8 of 8 December 2025 or a 4.5.8+ a week later could make a difference. See https://moodle.org/mod/forum/discuss.php?d=468327#p1892445.

And did you check whether those thousands of question genuine in the sense, that they are not duplicates? (See the same discussion linked above.) Before you add caching and tune the system, you need to check for application errors!
 
And how do you know that your local plug-in https://moodle.org/mod/forum/discuss.php?d=471225#p1891899 is not contributing to the problem? That thread is very recent and is still open. Moodle 4.3, BTW.
 
P.S. This is a topic for the quiz forum, not for the developers forum, if you ask me.
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Moodle in English -> Quiz and question banks -> Help: Major issue after upgrade - Coding error detected, it must be fixed by a programmer: Unsupported Context -> Help: Major issue after upgrade - Coding error detected, it must be fixed by a programmer: Unsupported Context

Visvanath Ratnaweera -
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The first two tasks, tasks transfer_question_categories and transfer_questions, are clear. Thanks a lot!

About the third, remove_unused_questions, as advised in https://moodle.org/mod/forum/discuss.php?d=468327#p1892572 I updated to 4.5.8+ weekly (Build: 20251219) and the patch is there:
 
$ git log --grep MDL-87356 origin/MOODLE_405_STABLE
commit 66a22969e1c5ee3c5b0e1a496a296282de6530d1
Author: James C <5689414+james-cnz@users.noreply.github.com> 
Date: Mon Dec 1 18:01:57 2025 +1300

   MDL-87356 qtype_random: orphaned random questions should be deleted

  This patch reinstates the task from MDL-63260 and MDL-66273.

Shouldn't the task be there?

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Moodle in English -> Installing and upgrading help -> The Moodle root directory must not be publicly accessible. Please reconfigure your web server to use the `/public` directory instead.commended from instructions -> Re: The Moodle root directory must not be publicly accessible. Please reconfigure your web server to use the `/public` directory instead.commended from instructions

Visvanath Ratnaweera -
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P.S. The discussions here are based on issues - not based on the person. And they have matching subject lines. I gave this post a new subject line. Pl. read the forum Code of conduct. You don't have to repost, I have sent a note to the moderator to split the discussion.

P.P.S. If you could solve your original problem, https://moodle.org/mod/forum/discuss.php?d=471419#p1892705, "reply to the thread, adding [Solved] to the subject line of your post. Share links to documentation, discussions or tracker issues that helped you." as explained in the same forum code of conduct.

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Moodle in English -> Installing and upgrading help -> error in 5.1: Composer vendor directory not found -> A cluster of Raspberry Pi running Moodle 4.5 LTS, 5.0 and 5.1

Visvanath Ratnaweera -
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Rick, I estimate AL doesn't need anything other than the Install quick guide resp. Upgrading documentation to install Moodle 5.1 resp. upgrade to 5.1. See his forum posts. The topic here is clustering Moodle and HTTPS as the (new) subject line says.
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Moodle in English -> Installing and upgrading help -> error in 5.1: Composer vendor directory not found -> A cluster of Raspberry Pi running Moodle 4.5 LTS, 5.0 and 5.1

Visvanath Ratnaweera -
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Hi AL

If I had that many RPi 3s, then I'll definitely utilize them for the multiple web servers. I'm a bit reluctant when it comes to pushing the capacity of Moodle servers on RPi due to its slow micro-SD storage - I'm thinking of moodledata/. Then again, RPi 4 (and above), with their > 1 GB RAM, allow me to compensate that considerably by putting parts of moodledata/, I mean moodledata/temp/, moodledata/cache/, etc., in RAM. You know this, I am stating here for the other visitors, analyze a MoodleBox to see how it is done - It runs a current Moodle with as little memory as the 512 MB in RPi Zero 2 W.
 
So you have special (10 inch) RPi racks? No need for long power strips to plug a power supply per board?
 
About the HTTPS prob., if I knew guzzling brains like Copilit, Google and Grok advise you, I wouldn't have embarrassed myself by exposing my pure carbon brain. Still, I wonder, whether those brains thought of $CGF->sslproxy and $CFG->reverseproxy or Session handling in Moodle. There is this tiny chance of winning against them for a second time. Remember the last time, they advised you a wrong max. PHP against mine - and lost? Well, to their credit I must say, they are right about "let the HAProxy handle the https:// and remain http:// to the rest of the cluster SBC's".
 
On a side-topic: If you or anyone have RPi 3 (or newer) collecting dust, I can see that they reach engineering students in Sri Lanka, who are keen on all kinds of tinkering to further their knowledge. Postal charges will be looked after. Part of our inventory was eaten by the cyclone Ditwa. See https://fosstodon.org/@EduNET_LK/115810448185293076.
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