https://bugs.kde.org/show_bug.cgi?id=498451
Bug ID: 498451
Summary: "Work on all processor cores" with external database
Classification: Applications
Product: digikam
Version: 8.5.0
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Maintenance-Thumbs
Assignee: digikam-bugs-n...@kde.org
Reporter: wins...@curiousercreative.com
Target Milestone: ---
SUMMARY
Generating thumbnails with "Work on all processor cores" enabled locks up
digikam
STEPS TO REPRODUCE
1. Tools > Maintenance
2. Check "Work on all processor cores"
3. Check "Rebuild Thumbnails"
4. Click Ok
OBSERVED RESULT
- process progress within GUI makes very little progress before progress halts
and GUI locks up
- maraidb output (100s or 1000s instantly)
> [Warning] Aborted connection 0 to db: 'unconnected' user:
'unauthenticated' host: 'connecting host' (Too many connections)
- digikam output (100s or 1000s instantly)
> Digikam::ItemInfo::fromLocationAlbumAndName: No itemShortInfo could be
retrieved from the database for image "_DSC3378.NEF"
EXPECTED RESULT
- thumbnails generated with concurrency of 28.
- GUI remains responsive
SOFTWARE/OS VERSIONS
- Pop!_Os 22.04
- 11.4.4-MariaDB-ubu2404
ADDITIONAL INFORMATION
- using "remote" database (127.0.0.1)
- collection of about 1K images, mostly .NEF raw
- recently enabled "large thumbnails for high resolution"
- HP z840 w/ 2x E5-2690 v4 (28 cores total), 128GB RAM
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