[Bug 259910] New: kmail in kde4 is intermittently extremely (unusably) slow

[Andrew MacFarlane]

https://bugs.kde.org/show_bug.cgi?id=259910

           Summary: kmail in kde4 is intermittently extremely (unusably)
                    slow
           Product: kmail
           Version: 1.13.5
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: wam at chem.ubc.ca


Version:           1.13.5 (using KDE 4.4.4) 
OS:                Linux

top does not indicate that kmail is taking too much cpu (a few %),

but the gui window responds incredibly slowly to changing to a new message or
sending a message

there is a large amount of hard disk activity as measured by the LED monitor

according to lsof, there are quite a lot of open files, some of them big (I
have several GB of email in many folders, up to 10s of k of messages in the
bigger folders

this slowdown behaviour persists through a full system reboot

but it is intermittent - though I have not yet found out what controls it

it has now disappeared again - perhaps as I went to view attachments inline to
as icons, though that might just be a coincidence - in any case no recent
message had significant attachments.

I am considering moving to another mail client after using kmail happily for
years, both in mandrake and opensuse distros

Reproducible: Sometimes




OS: Linux (i686) release 2.6.34.7-0.5-desktop
Compiler: gcc

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