https://bugs.kde.org/show_bug.cgi?id=378330
Bug ID: 378330
Summary: Kate is very slow when deleting or pasting a lot of
text
Product: kate
Version: unspecified
Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: kwrite-bugs-n...@kde.org
Reporter: aar...@doofus.org
Target Milestone: ---
I am copying and pasting logs from a konsole session that contain 7000-12000
lines of text, often 100 columns wide.
As I update the logs I select all of the text in a window (<ctrl> A) then hit
<backspace> to delete the text. This takes many seconds to complete with the
CPU pegged at 100%. This is plain text. The select all is fast but the delete
operation is quite slow.
Next I select all of the text in a konsole session with a large buffer which
can contain upwards of 12000 lines of text from minicom then type <ctrl V> to
paste it into Kate. This takes several minutes to complete, again with the CPU
pegged at 100%.
I also see that Kate is using roughly 3.7GB of virtual memory (518K resident).
Note that this is Kate 3.14.9.
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