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Old 09-10-2010, 08:23 PM
Martin Steigerwald
Default Konqueror with KDE 4.5.1 unusable slow in calendar view with very high CPU usage (was: Fwd: ...)

This should have gone to debian-kde instead of debian-qt-kde, sorry. I now
also found out were it is slow. They comment #4 in the bug report
mentioned below.


I found Korganizer to be unusable slow after upgrading to KDE SC 4.5.1.
With KDE 4.4.5 Korganizer was usable.

Anyone else?

I reported upstream. If it turns out to be a packaging bug, I will close
it there.

Now grepping in the ICS file for the event I liked to find by browsing the
calender. Hopefully a solution can be found soon, otherwise I will
downgrade. I depend on Korganizer.


---------- Weitergeleitete Nachricht ----------

Subject: [Bug 250823] New: unusable slow in calendar view with very high
CPU usage
Date: Freitag 10 September 2010
From: Martin Steigerwald <Martin@lichtvoll.de>
To: Martin@lichtvoll.de


Summary: unusable slow in calendar view with very high CPU
Product: korganizer
Version: unspecified
Platform: Debian unstable
OS/Version: Linux
Status: NEW
Severity: normal
Priority: NOR
Component: general
AssignedTo: [... Korganizer Developers ...]
ReportedBy: Martin@Lichtvoll.de

Created an attachment (id=51529)
--> (http://bugs.kde.org/attachment.cgi?id=51529)
strace -fF korganizer: starting it and clicking around in calender views

Version: unspecified (using KDE 4.5.1)
OS: Linux

Since upgrading from KDE 4.4.5 to KDE 4.5.1 Korganizer is unusable slow on
ThinkPad T42 with Pentium M 1.8 GHz. On a click it takes upto 10 seconds
more with CPU usages such as 70% (the other 30% for Nepomuk Desktop search
processes + Virtuoso). I want to find a certain event by browsing the
but I will now resort to grepping the calendar file.

Reproducible: Always

Steps to Reproduce:
Start Korganizer and see. I think you wouldn't have released it if did
on every system and with every configuration, but I do not yet know what
triggers this behavior.

Actual Results:
Korganizer is unusably slow and uses lots of CPU time.

Expected Results:
Korganizer is at least as snappy as it was with KDE 4.4.5.

It appears that the slowness only affects the calendar view, be it a day, a
week or a months. The task list is snappy. Once a view has been built it
usable, but when I click on another day it takes ages again.


Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7

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