Categories not updating?

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03/07/18 11:40 AM

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I've noticed that categories seem to update very slowly - actually, not at all. For example, I've been working down the Category:Pages with reference errors (a redlink, but still a useful auto-generated category for maintenance purposes), but articles I fixed weeks ago (all numericals and all entries under the letter "A") are still on the list.
I can't remember where, but I've noted this elsewhere too in an existing category. And another user also recently commented on those problems, but of course I can't find that citation either.

Still - is it possible that something broke in the last wiki update?
07/20/18 12:30 AM

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I just noticed that problem myself. What's really weird, though, is that I can see that the articles I've added are listed in the Academic Institutions category while I'm logged in, but if I check the category while logged out they disappear.

Right now I can see 15 articles listed in Category: Academic Institutions while I'm logged in, but while logged out there are only 6.
Nic JansmaAdministrator
07/20/18 11:33 AM

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There definitely seems to be something funky for logged in vs. anyonmous users.

Non-logged-in users will see "cached" versions of pages in many cases. After purging these pages:

Anonymous users now see all 15 pages in the first category and 11 in the second, which is different from the 6/60 items they showed before the purge.

I'm going to look into if there's a setting where the page can be automatically purged when edits to categories are made.
-- NicJ
Nic JansmaAdministrator
07/23/18 09:58 PM

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Apparently this is a well-known issue when using the $wgFileCache (which we use to speed up the site for anonymous users):

I've worked around it by ensuring Category: pages are cleared from the file cache once a day.
-- NicJ
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