https://bugs.kde.org/show_bug.cgi?id=501703
Bug ID: 501703
Summary: Krusader (and Dolphin) are extremely slow when
browsing sftp fuse mounted remote locations
Classification: Frameworks and Libraries
Product: frameworks-kio
Version: 6.12.0
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kio-bugs-n...@kde.org
Reporter: phob...@fastmail.fm
CC: kdelibs-b...@kde.org
Target Milestone: ---
SUMMARY
If one mounts an sftp remote location using fuse (for example: root@[XXXXXX]:/
on /mnt/sshfs/remote_location type fuse.sshfs
(rw,nosuid,nodev,relatime,user_id=1000,group_id=100)), when browsing it with
krusader/dolphin the process is extremely slow. Also a lot non-responsive.
If the mounted remote location is from the local network, the browsing is not
that slow, but still slow.
This used to work without problem a few KDE subversions ago (cannot say when it
broke).
At the same time, using command line (ex. ls -la), Midnight Commander (mc),
Double commander etc NON KDE applications, the same remote location browsing
has no problem.
STEPS TO REPRODUCE
1. Mount an sftp remote location (one from outside your local network) using
fuse tools.
2. Open krusader or dolphin and try to go to the locally mounted remote /etc
folder (which has a lot of subfolders and files)
OBSERVED RESULT
The browsing is very slow and krusader/dolphin windows that show the list of
folders are freezing a lot for more than 2-3 seconds before showing the next
batch of the list. Opening files and other actions are also extremely slow.
EXPECTED RESULT
All to work smoothly since KDE should see the fuse mounted folders as local.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20250316
KDE Plasma Version: 6.3.3
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
ADDITIONAL INFORMATION
- This used to work perfectly well
- It is not a network or ssh fuse problem, because all other non KDE apps work
fast as if the remote location is local (as it is expected)
- if the fuse mounted fs is in the local network, the browsing is not that
slow, but is still noticeable slow.
- Looks a lot like bug#178678 but still somewhat different and newer
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