https://bugs.kde.org/show_bug.cgi?id=320180
Thomas Kear <thomas.k...@gmail.com> changed:
What |Removed |Added
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CC| |thomas.k...@gmail.com
--- Comment #3 from Thomas Kear <thomas.k...@gmail.com> ---
I've seen this issue on two different PCs in our office, running Kubuntu
(4.10.2) and Gentoo (4.10.4) (both amd64 arch). It appears it started around
the time of upgrading to 4.10 for both. It seems to have the same behaviour
for both our local mail server (courier, with IDLE enabled) and gmail over
imap. Interval checking is enabled on both but looking the longevity of the
IMAP connections I'd hazard a guess it's using IDLE on both rather than
polling.
Peak connection count I've seen in the region of 35/second, which amongst other
things caused our mail server, with a normal /var/log/maillog output of
35MB/week to write nearly 1GB in 4 days - each connection was causing one
connect and one disconnect line in the log like the following:
Jun 6 15:58:57 mail imapd-ssl: Connection, ip=[10.0.11.101]
Jun 6 15:58:57 mail imapd-ssl: Disconnected, ip=[10.0.11.101], time=0,
starttls=1
As the bug does not seem to present until kmail/kontact has been running for a
half an hour to an hour, the most effective workaround I've discovered is to
turn the connections offline briefly every 15 minutes with a cron job:
export DISPLAY=:0
qdbus org.kde.kontact /KMail org.kde.kmail.kmail.stopNetworkJobs
sleep 5
qdbus org.kde.kontact /KMail org.kde.kmail.kmail.resumeNetworkJobs
(replacing 'org.kde.kontact' with 'org.kde.kmail2' if you use kmail alone)
Occasionally it still goes haywire, to which 'akonadictl restart' appears to be
the most effective solution.
There is not unusual logging anywhere I can find on the client when the above
is happening, even in the console output from the restarted akonadiserver, at
least some of which seems to end up on the terminal where you ran the restart
command (and I assume is going into ~/.xsession-errors in a clean KDE session).
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