Bug 426672

Summary: Running many docker containers makes Dolphin unusably slow
Product: [Applications] dolphin Reporter: mattes.ruckdeschel
Component: generalAssignee: Dolphin Bug Assignee <dolphin-bugs-null>
Status: REPORTED ---    
Severity: normal CC: gpintore, kfm-devel, nate
Priority: NOR    
Version: 20.04.0   
Target Milestone: ---   
Platform: Kubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description mattes.ruckdeschel 2020-09-18 08:01:17 UTC 
SUMMARY
Hi,

I just switched to Kubuntu 20.04 from Ubuntu 18.04 and everything started smoothly. I want Kubuntu to be my new dev system and I need Docker.

Dolphin, however proofed to be unusable when using docker, as it displays containers as devices which makes it freeze for a few seconds, every time that it is focused.

According to a reddit post, I've found https://phabricator.kde.org/D22080 is the culprit for this behavior. I have reverted the patch and rebuild and installed solid and the docker containers are still listed as devices (which I personally don't want, although I can live with it and can follow the argument for having them there), but Dolphin stays responsive.


STEPS TO REPRODUCE
1. Freshly install Kubuntu 20.04 
2. Start a bunch of Docker containers

OBSERVED RESULT
Dolphin slows down significantly, needing several seconds before being responsive

EXPECTED RESULT
My file manager being responsive when switching to it.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 20.04
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Kernel Version: 5.4.0-47-generic
OS Type: 64-bit
Processors: 12 × AMD Ryzen 5 3600 6-Core Processor
Memory: 31,4 GiB of RAM
Comment 1 Gustavo 2021-02-09 17:32:53 UTC 
The same is happening to me, and a couple of coworkers, they choose to move back to gnome, but i would like to stay useing kde, any news about this issue?
Comment 2 Nate Graham 2021-02-09 18:10:37 UTC 
FWIW you don't have to move to GNOME if Dolphin isn't working for you, other file managers like Nautilus and Thunar work fine in Plasma. Plenty of people use these.
Comment 3 Gustavo 2021-02-09 19:09:47 UTC 
(In reply to Nate Graham from comment #2)
> FWIW you don't have to move to GNOME if Dolphin isn't working for you, other
> file managers like Nautilus and Thunar work fine in Plasma. Plenty of people
> use these.

I for sure dont want to move to gnome! 
And I will give them a try. But still, it would be good if that is fixed at some point.
Thanks!