https://bugs.kde.org/show_bug.cgi?id=445396
Bug ID: 445396
Summary: Memory leak / too much memory consumption on larger
image directories
Product: gwenview
Version: 19.12.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: gwenview-bugs-n...@kde.org
Reporter: haa...@welmers.net
Target Milestone: ---
Dear gwenview authors / maintainers,
SUMMARY
Memory consumption of gwenview seems to be quite high on folders with many
pictures. It also seems that when I move to another directory, the memory of
the previously opened folder is not (enough) released. When navigating though
my photo archive for instance trying to find something quickly, this causes
severe swapping out of other programs running on my computer (having 12GB RAM
in total) and eventually when I have scrolled through a few directories, this
results in OOM / system lockup.
STEPS TO REPRODUCE
When opening Gwenview to view images in quite a large directory, for instance
this folder containing jpeg photos:
~/Camera2020$ du -hs
11G .
~/Camera2020$ ls | wc -l
2375
the memory consumption immediately is quite high, at least 2GB RES. When I
click on one picture to enlarge it and start swiping though the directory, the
RES usage quickly grows to 4,1GB.
When I move to another directory, for instance Camera2021, also containing 10GB
of jpeg photos, and I do the same, the RES memory consumption quickly rises to
over 5GB. This increases further when continuing opening other directories.
OBSERVED RESULT
Increasingly high memory consumption
EXPECTED RESULT
Memory consumption at least drops when navigating away from folder
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Kubuntu 20.04
(available in About System)
KDE Plasma Version: plasma-desktop: 5.18.5-0ubuntu0.1
KDE Frameworks Version: 5.68.0-0ubuntu1
Qt Version: 5.12.8
ADDITIONAL INFORMATION
I've also tried recent versions of Gwenview from Flatpak and Snap, but I've
seen same behaviour. I will try the steps on newer versions tomorrow.
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