[okular] [Bug 400246] New: Large memory usage when quickly browsing pdf file

[Johann]

https://bugs.kde.org/show_bug.cgi?id=400246

            Bug ID: 400246
           Summary: Large memory usage when quickly browsing pdf file
           Product: okular
           Version: 1.5.1
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: mywtfmp3 at gmail.com
  Target Milestone: ---

SUMMARY

Okular uses 60MiB memory when I open a pdf file. However, when I quickly browse
the file, by holding down the "PageDown" key on the keyboard, the memory usage
quickly soars up. It uses up to 3GiB memory when I page down all the way from
page 1 to page 300. When I close the current opening file, the memory usage
goes down to 90MiB. Is this behaviour expected?


KDE Plasma Version:  5.50.0-1.fc29 
KDE Frameworks Version: 5
Qt Version: 5.11.1

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