[dolphin] [Bug 509081] New: High CPU use when sorted by size or modified

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https://bugs.kde.org/show_bug.cgi?id=509081

            Bug ID: 509081
           Summary: High CPU use when sorted by size or modified
    Classification: Applications
           Product: dolphin
      Version First 25.08.0
       Reported In:
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: alerikaisattera at protonmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
Sometimes having folder sorted by size or modified causes Dolphin to use ~100%
of one CPU core

STEPS TO REPRODUCE
Not exactly reproducible. A necessary but not sufficient condition is having a
folder sorted by size or modified
1. Sort a folder with a lot of files by size or modified
2. Perform file operations in this folder (move to/from, delete)
3. Sooner or later, Dolphin will start using ~100% of one CPU core

OBSERVED RESULT
Sooner or later, Dolphin will start using ~100% of one CPU core

EXPECTED RESULT
No high CPU use

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.1

ADDITIONAL INFORMATION
This bug is old, from 2021 at least, possibly before that

Refreshing the affected folder fixes this temporarily

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