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List:       kmail-devel
Subject:    [Bug 115331] kmail taking 60%+ CPU cycle
From:       Volker Lukas <vlukas () gmx ! de>
Date:       2005-11-19 16:17:20
Message-ID: 20051119161720.24829.qmail () ktown ! kde ! org
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http://bugs.kde.org/show_bug.cgi?id=115331         




------- Additional Comments From vlukas gmx de  2005-11-19 17:17 -------
Since this Bug is in "Unconfirmed" state, I would like to state that I see this issue \
too.

I use Kmail from KDE 3.5, of the Suse rpms for Suse Linux 9.1, which were released on \
2005-11-17. With this version, Kmails responsiveness is bad when there is an IMAP \
account configured. Switching between mailfolders seems to take longer than with \
prior KDE version and when checking for new mail, the progress indicator at the \
bottom right of Kmail shows slow progress. Access to the IMAP account is delayed for \
a long time (up to minutes) while Kmail shows a screen with the message "Retrieving \
Folder Contents - Please wait...". The bad responsiveness is accompanied by high CPU \
usage (Top indicates up to 90% or more). The CPU usage is however not continuously \
high: After some time of inactivity, i.e. no user intervention and the progress bar \
is not changing, it drops to "normal" levels. A probably noteworthy moment of very \
high CPU usage is when terminating Kmail via clicking the close button. After the \
Window disappeared, Top shows a running Kmail for multiple seconds (more than 15), \
while indicating over 90% CPU usage.

Contrary to the case with an configured IMAP account, on the same machine running the \
same Kmail version under a different user account without an IMAP mailbox, \
responsiveness seems like with older Kmail versions, in conjugation with \
significantly lower CPU usage. And specially, after closing such an Kmail instance, \
Top shows Kmail terminates almost immediately. \
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