https://bugs.kde.org/show_bug.cgi?id=503561
Bug ID: 503561
Summary: 'Background face recognition scan' feature modified
thousands files during scan
Classification: Applications
Product: digikam
Version: 8.7.0
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Faces-Workflow
Assignee: digikam-bugs-n...@kde.org
Reporter: iwannaber...@gmail.com
Target Milestone: ---
SUMMARY
Hi, I already mentioned this bug in comment 35 of of Bug #502219, but I thought
of opening a proper bug report in case you want to have a look.
I've been testing the newest daily builds, and I noticed that when I had the
"Background face recognition scan" feature enabled, whenever it runs a scan, it
modifies tens of thousands of pictures on its own. I'm not sure exactly what
changes on these pictures, though, as no apparent changes to the files are
done.
I sync my pictures with a NAS across the network, and every time the background
face recognition scan is triggered, I can see it synchronizes tens of GB of
pictures. Interestingly enough, that does not happen during the initial face
scan when you first open Digikam.
Today I tried in a separate user profile with a different set of files, and I
could see how more than 15000 photos have been modified without me having made
any change to the files. (that user's library has around 200 000 files)
I'm not sure, but I believe files are also modified when you reject a face
suggestion.
Let me know if you want me to provide more information to troubleshoot it.
STEPS TO REPRODUCE
1. Start digikam with the 'Background face recognition scan' enabled.
2. Wait until that background scan is triggered (e.g. by manually confirming a
face suggestion).
3. Check last modification date for files in the library.
OBSERVED RESULT
- Observe how the last modification date of many pictures has been changed on
its own.
EXPECTED RESULT
- Nothing should be modified on a picture unless I explicitly make a change
(like tagging a face or a keyword).
SOFTWARE/OS VERSIONS
Windows: Windows 10 22H2
digiKam-8.7.0-20250403T061347-Qt6-Win64.exe
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