Re: 8.9.0: Digikam keeps rescanning complete collection on each restart & grouped images are gone

Hi Jens,

As the group of items are not saved in the file metadata, it's not
restored at scan. Restoring the database will fix the problem.

Best regards

Gilles Caulier

Le mar. 2 déc. 2025 à 11:11, <jens-digikam-pLZ6rgtf4/[email protected]> a écrit :
>
> Hello,
>
> wow, that was fast. Thank you! Will test ASAP.
>
> Will this also restore my grouped images and album properties, or do I
> need to fix the DB file, or even restore digikam4.db from a backup? I can
> execute SQL commands on the DB manually, I just need to know which ones.
>
> Jens
>
> 02.12.2025 08:17:23 Maik Qualmann <[email protected]>:
>
> > The problem is now fixed in git/master and will be available in one of
> > the next
> > AppImages.
> >
> > https://invent.kde.org/graphics/digikam/-/commit/
> > 0838075dbb3dd7230a929e3cad56bb6143590046
> >
> > We introduced a directory cache to minimize repeated scanning of the
> > collection. This scanner was not following symbolic links. Thank you
> > for
> > reporting the issue.
> >
> > Maik
> >
> > Am Montag, 1. Dezember 2025, 23:17:06 Mitteleuropäische Normalzeit
> > schrieb
> > Jens Benecke:
> >> Hello all,
> >>
> >> I have been using Digikam on my PC for over 10 years and I'm still
> >> happy
> >> with it. My image collection is now way over 500GB, almost 200'000
> >> files
> >> altogether, and all this worked fine on an i5-4570 4-core PC from
> >> 2013.
> >>
> >> Until last weekend.
> >>
> >> Since having upgraded from the 8.8.0 appimage (beginning of November)
> >> to
> >> 8.9.0 appimage (current), Digikam keeps rescanning my complete default
> >> collection at /home/jens/Bilder (not the second one, and not one on an
> >> external drive), which takes about 2 hours since it's about 160.000
> >> images and 473 GB of data.
> >> /home/jens/Bilder/Digikam is a symlink to a different drive, but this
> >> has never been a problem and this drive is permanently mounted, so I
> >> don't see the problem here.
> >>
> >> Even if I let it finish and exit cleanly, the next time it will again
> >> rescan the complete collection.
> >>
> >> Also I noticed that my album properties (e.g. album dates) and image
> >> groupings are gone since this happened the first time.
> >>
> >> What happened here?
> >> How can I fix this, and - possibly - even restore my image groupings?
> >>
> >> I attached a debug log output (with the Marble log lines removed - too
> >> many) from starting the appimage on the console - maybe this helps.
> >>
> >> Thank you!