[dolphin] [Bug 459647] New: using too many tags makes dolphin hang

[Daniel Bulant]

https://bugs.kde.org/show_bug.cgi?id=459647

            Bug ID: 459647
           Summary: using too many tags makes dolphin hang
    Classification: Applications
           Product: dolphin
           Version: 22.08.1
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: danbulant at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY

STEPS TO REPRODUCE
1. have a bit of files (6.5k in my case) with a lot of tags (I'd say that the
average file has ~30 tags)
2. open dolphin
3. dolphin hangs (first render is done, but then it doesn't respond for quite a
long time (few minutes), after which it starts responding normally). This
sometimes happens again even without closing dolphin and just switching back

OBSERVED RESULT
Dolphin hangs

EXPECTED RESULT
Dolphin works normally (even if the tags took quite a while to load in the
background, but using getfattr for all the files takes between 600ms (cold run)
and 100ms (after cache)).

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.19.10-arch1-1 (64-bit)
(available in About System)
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version:  5.15.6

ADDITIONAL INFORMATION

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