[dolphin] [Bug 462675] New: Dolphin becomes unusably slow while a file transfer is in progress

[Riccardo Robecchi]

https://bugs.kde.org/show_bug.cgi?id=462675

            Bug ID: 462675
           Summary: Dolphin becomes unusably slow while a file transfer is
                    in progress
    Classification: Applications
           Product: dolphin
           Version: 22.08.3
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: sephiroth_pk at hotmail.it
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
Moving files with Dolphin makes it unbearably slow, so much so that it stops
responding to commands. This is true independently of the source and
destination: I have tried transferring files both locally (e.g. from SD card to
internal SSD, or from SSD to SSD) and on the network (to an NFS share) and the
result is the same. Dolphin just becomes really sluggish, even in doing basic
things such as scrolling up and down the list of files.
This behaviour wasn't present in 22.04, though I cannot say whether it was
introduced with a Frameworks update or with the 22.08 version.

STEPS TO REPRODUCE
1. Transfer files (e.g. cut-and-paste)

OBSERVED RESULT
Dolphin becomes incredibly slow.

EXPECTED RESULT
Dolphin keeps on behaving normally.

SOFTWARE/OS VERSIONS
Linux: KDE neon
KDE Plasma Version: 5.26.3
KDE Frameworks Version: 5.100.0
Qt Version: 5.15.7

ADDITIONAL INFORMATION

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