https://bugs.kde.org/show_bug.cgi?id=393977

MountainX <davestechs...@gmail.com> changed:

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                 CC|                            |davestechs...@gmail.com

--- Comment #24 from MountainX <davestechs...@gmail.com> ---
I'm investigating slow UI responsiveness in Dolphin on my desktop & noticed
this bug report. I also run Arch Linux. What caught my attention is this part
of the report: "In particular, adding or moving a bookmark in the Places panel
has a delay of several seconds."

That is the same behavior I'm observing.

Adding a new bookmark to Dolphin's Places sidebar has a long delay and it
causes the Dolphin UI to freeze for this time. The same delay is seen if I edit
the item in Places and change its display name, or remove an item.

I timed dragging & dropping a local directory onto Places. It took 15 seconds
for that item to appear in Places, but Dolphin was still unresponsive for an
addition 10 seconds. It was about 25 seconds before I could navigate or use the
UI. The delay is almost the same for a name change. Deleting an item from
Places seems to require about 15 seconds.

Other operations in Dolphin do not appear to be slow, and the overall
experience is not slow. There is one thing I notice that it not mentioned by
the OP. All KDE file-open dialogs open slowly. It takes about 2 seconds for the
file-open dialog to display in Kate or any other application. GTK file-open
dialogs are nearly instant.

wc -l ~/.local/share/user-places.xbel
1649

I use KDE on a number of different devices. The computer used for the timings
mentioned above has 128 GB of RAM, a Samsung Pro NVMe, nVidia RTX 2080 GPU and
an Intel i9-9900K. It has 15 NFS shared folders mounted. It has a large & slow
internal HDD that is only used for automated backups and I don't open this
backup location in Dolphin anyway.

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