https://bugs.kde.org/show_bug.cgi?id=421904

            Bug ID: 421904
           Summary: KTorrent does IO in the GUI thread
           Product: ktorrent
           Version: unspecified
          Platform: Kubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: joris.guis...@gmail.com
          Reporter: andy...@mail.ru
  Target Milestone: ---

SUMMARY

Apparently, KTorrent performs file IO in the main GUI thread. This results in
GUI becoming unresponsive at times when KTorrent performs heavy IO activity
(e.g. when it downloads or seeds torrents at high bitrates). This is more
prominently seen when the files are stored on rotational HDD. I'm experiencing
multi-second GUI freezes at times.

It would be better to use separate threads for file/network IO and GUI.

Operating System: Kubuntu 20.04
KTorrent: 5.1.2
KDE Plasma Version: 5.18.5
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Kernel Version: 5.4.0-31-lowlatency
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-2600K CPU @ 3.40GHz
Memory: 15.6 GiB of RAM

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