[konsole] [Bug 503586] Find / search feature is slow with huge scrollback buffers and terms that appear a large number of times, with Konsole appearing frozen while searching

John Kizer bugzilla_noreply at kde.org
Tue May 6 18:34:32 BST 2025


https://bugs.kde.org/show_bug.cgi?id=503586

John Kizer <john.kizer at proton.me> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |regression
            Summary|Poor search performance     |Find / search feature is
                   |                            |slow with huge scrollback
                   |                            |buffers and terms that
                   |                            |appear a large number of
                   |                            |times, with Konsole
                   |                            |appearing frozen while
                   |                            |searching
             Status|REPORTED                    |CONFIRMED
     Ever confirmed|0                           |1

--- Comment #3 from John Kizer <john.kizer at proton.me> ---
Thanks! I can reproduce that extremely large buffers, and terms that appear
many times, cause noticeable slowness with those steps - not at the level of a
few minutes, but long enough to make the application appear frozen.

For later reference, the line highlighting code was merged in
https://invent.kde.org/utilities/konsole/-/merge_requests/1061

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