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List:       kmail-devel
Subject:    [Bug 131507] New: maildir kmail long seconds
From:       Christian Janoff <kdebugs () janoff ! de>
Date:       2006-07-29 10:33:41
Message-ID: 20060729123340.131507.kdebugs () janoff ! de
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http://bugs.kde.org/show_bug.cgi?id=131507         
           Summary: maildir kmail long seconds
           Product: kmail
           Version: unspecified
          Platform: Gentoo Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kmail-devel kde org
        ReportedBy: kdebugs janoff de


Version:            (using KDE KDE 3.5.2)
Installed from:    Gentoo Packages
Compiler:          gcc-3.4.6 
OS:                Linux

The same as bug 69439 from 2003:

"Switching from one mail folder to another, where
 the destination folder has in excess of 10,000
 messages (all folders are Maildir) causes a long
 pause (more than 10 seconds) and kmail is
 unresponsive for the duration of the swich.

 The more messages you have in the folder, the
 longer the pause."

I have 2 different maildir folders on a local ext3
filesystem, about 55000 mails each.

It takes 25 (twenty-five) seconds switching to one
of these folders, everytime. Afterwards I switch
back and forth, the same thing. Processor activity
rises to 100% until switching is finished. Hard disk
activity is 0, so this might not be a filesystem issue.

My machine is a 1600/3000+ AMD Sempron (AMD64), 1 GB
of RAM (533 MHz dual channel). This should be enough.

My last machine (1200 AMD Duron!, also ext3) used an
older version of KDE (I think 3.4). That old system
was a lot faster in switching to the same folders.

Christian
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