https://bugs.kde.org/show_bug.cgi?id=406431

--- Comment #3 from c001-kd3-bug-squ33...@ubermail.me ---
So I copied a directory with ~11000 photos on a local SSD and indeed there is a
speedup compared to the NFS:

Local: SSD + ext4: ~10-15 seconds
NFS:   HDD + ext4: ~30-35 seconds

But given the hardware differences (HDD vs. SSD + 32G RAM), I wonder why
gwenview still takes that much time to get to the conclusion that it has to
display ~11k files. Dolphin is still miles away when gwenview just finished
loading the file list. And when I ask ls how long it takes to give me the file
list of an uncached directory it is much faster too:

# umount /mnt/nfs; sleep 3; mount /mnt/nfs; time ( ls -l /mnt/nfs/pictures/ |
wc -l )
11343

real    0m0,575s
user    0m0,059s
sys     0m0,094s

So, if ls takes half a second to get the complete (uncached) list via NFS, why
does gwenview require 15 seconds on a local SSD powered RAM cached version?

Obviously, something fishy is going on here.

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