https://bugs.kde.org/show_bug.cgi?id=376891
Bug ID: 376891
Summary: Digikam becomes unusable with many Metatags
Product: digikam
Version: 5.4.0
Platform: Neon Packages
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: Metadata
Assignee: digikam-de...@kde.org
Reporter: bzru...@protonmail.ch
Target Milestone: ---
Problem/Motivation
I tried Digikam as a replacement for my current Mac/Aperture setup. I tried on
my Linux Box first with some images and everything does well, nice :) So I
started the actual migration of around 28.000 images and let Digikam finish all
work. Some hours later all thumbs and other stuff were created okay.
The actual problem started when it comes to Metadata. Searching for a tag takes
ages, but when it comes to tagging, digikam totally failed :(
I have 5000+ tags in my list all at first level (no nested tags)
Opening the Tag Manager takes around 15seconds, adding a new tag or moving a
tag takes around 1 minute and digikam doesn't respond to anything during that.
My first idea: Okay there are missing database indexes, but that doesn't seem
the case.
Next idea, IO problem: I moved the digikam SQLiteDB to RAM, but no effect.
Next idea, SQLite problem: Even knowing SQLite is usually really fast I gave
MySQL a try - but as to expect - no effect.
So the problem is with digikam itself. As the CPU usage goes up to 100% I think
digikam stucks during tags qt-list-building/rendering or whatever.
Any ideas ;)
Thanks
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