[digiKam-users] beta 7.2.0 similarity search
mam1 at cornell.edu
Fri Dec 25 20:58:04 GMT 2020
I am currently using digikam 7.1.0, (default database(s). It meets or
exceeds my needs in all areas except performance. I decided to try a test
installation of the 7.2.0 beta using an external database running on a fast
For a test system, I set up a VM running
digikam-7.2.0-beta1-x86-64.appimage on Ubuntu 20.04.1 LTS, Linux
5.4.0-58-generic. I configured digikam to use an external *MariaDB* Server
10.3.25. The system, databases, and image lib are on an M.2 connected,
SSD. This is a clean installation, everything is up to date, with no OS
additions other than to install *MariaDB* Server. I copied ~24, 000 images
from my image library to a new directory on the test system.
I am *really* impressed with the performance improvement. All functions
run dramatically faster. The only thing that is not working as expected is
the similarity search.
I use the similarity search a lot on my production installation so I am
familiar with how to use it. On the test system, I duplicated a couple of
images, "Find duplicates" does not find them. It doesn't matter if the
duplicates are in the same directory or separate directories, similarity
returns no hits, however, I can see activity on the similarity database
when the find duplicates process is active.
I have tried:
- updating the fingerprints
- increasing the similarity range
- running Tools->Maintenance (all options selected)
- checking the permissions of the digikam user on all databases
I watched the databases during the maintenance and they all seem to be
experiencing activity. Any advice on where to look next would be greatly
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