https://bugs.kde.org/show_bug.cgi?id=427913
Bug ID: 427913
Summary: Resizing the sidebar causes disk write to go up
Product: okular
Version: 1.11.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: okular-de...@kde.org
Reporter: hollowwing...@gmail.com
Target Milestone: ---
jbd2 uses an excessive amount of disk resources when resizing the sidebar.
This is especially annoying on systems with HDDs, such as mine.
iotop sample:
Total DISK READ : 0.00 B/s | Total DISK WRITE : 103.08 K/s
Actual DISK READ: 0.00 B/s | Actual DISK WRITE: 1104.06 K/s
TID PRIO USER DISK READ DISK WRITE SWAPIN IO COMMAND
1095 be/3 root 0.00 B/s 0.00 B/s 0.00 % 81.14 % [jbd2/sda7-8]
13819 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.43 %
[kworker/5:0-events]
13266 be/4 slau 0.00 B/s 103.62 K/s 0.00 % 0.25 % okular
I/O goes back to zero when I release the click.
STEPS TO REPRODUCE
1. Open Ocular
2. Click on the sidebar and drag it side-to-side (with or without a document
opened)
OBSERVED RESULT
brrrrrrrrrrrr
SOFTWARE/OS VERSIONS
OS: openSUSE Tumbleweed
KDE Plasma Version: 5.20.0
KDE Frameworks Version: 5.75.0
Qt Version: 5.15.1
Kernel Version: 5.8.14
Display Server: X11
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