[dolphin] [Bug 453128] New: Dolphin should by default avoid thumbnailing accessed over the network.

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=453128

            Bug ID: 453128
           Summary: Dolphin should by default avoid thumbnailing accessed
                    over the network.
           Product: dolphin
           Version: 22.04.0
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: jakubby at protonmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
Thumbnailing an image causes a really big I/O wait time spike(Kde connect, ftp,
smb etc.);, which proves tiresome with KDE Connect or other network
connections.

STEPS TO REPRODUCE
1.  Use kde connect with photos+videos being shared over the network, or
anything which invokes i/o wait time.

OBSERVED RESULT
Dolphin tries to thumbnail everything, which cripples responsiveness and upload
speeds over local networks. 

EXPECTED RESULT
Dolphin by default excludes any kde connect directory and remote file
systems(imagine thumbnailing 1-4TB of photos+videos[I don't store that amount
of data, but I know others who store in the realms of 10TB+]) thumbnail
everything, which cripples responsiveness and upload speeds over local
networks. 

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:  Arch Linux 
(available in About System)
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.93.0 
Qt Version: 5.15.3

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