[Bug 169318] New: large ics file slows calendar

[Peter Lewis]

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http://bugs.kde.org/show_bug.cgi?id=169318         
           Summary: large ics file slows calendar
           Product: kontact
           Version: unspecified
          Platform: SuSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs kde org
        ReportedBy: peterl avex co uk


Version:           kontact 1.3 (using KDE 4.1.0)
Installed from:    SuSE RPMs
Compiler:          gcc version 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision 135036] (SUSE Linux) 
OS:                Linux

I have changed from KDE 3 to KDE 4.1 in openSuse 11.0.
When I import my 441.5 KByte .ics calendar file into kontact, kontact stops responding while hogging up to 96% of cpu time.
It will eventually sort itself out and start responding, usually in a couple of minutes, but when I change the week viewed it seizes again.
If I uncheck the calendar resource, then it responds quite normally.
My calendar file is on localhost and contains 137 todos and 1147 events.
I have gone back into 3.5 and archived most of the events. I now have just 228 events and the calendar is responding just fine.
It still begs the question, why does kontact in 3.5 handle 1147 events with no problem but kontact in 4.1 seize up?