https://bugs.kde.org/show_bug.cgi?id=399151
Bug ID: 399151
Summary: Kate Quick Open Search Performance Regression
Product: kate
Version: 18.04.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwrite-bugs-n...@kde.org
Reporter: averageradi...@gmail.com
Target Milestone: ---
SUMMARY
Hi, I love Kate and use it every day; thank you. One feature I've used for
years it the Quick Open Search (mapped to Ctrl+Tab) which lets me quickly
change files. The number of open files in my main project has not changed in
magnitude, yet recent updates to Kate seemed to behave magnitudes slower,
taking up to 3-4 seconds to even open the Quick Open Search. I'm running
18.04.3 which is the latest version available in Fedora 28. Before I dive into
performance analysis with pstack, perf, etc., I wanted to check if there are
known issues in this area of code that may have caused a regression or if this
is a consequence of a by-design change that is required?
STEPS TO REPRODUCE
1. Open a few thousands files in Kate
2. Open Quick Open Search
3. Observe it takes multiple seconds just to open the dialog, but on older
versions this was much faster
OBSERVED RESULT
Slow performance
EXPECTED RESULT
Better performance as in previous releases
SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.13.4
KDE Frameworks Version: 5.48.0
Qt Version: 5.11.1
ADDITIONAL INFORMATION
Might be related to bug 387360, although I'm not opening a different number of
files than what I had in older versions when it was faster.
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