cyrus connection timeout
Hagedorn at uni-koeln.de
Tue Oct 11 06:15:43 EDT 2005
--On 11. Oktober 2005 11:26:45 +0200 Michael Hollmann
<michael.hollmann at jawa.at> wrote:
> every day i have to restart the cyrus imap daemon.
> sometimes more than once a day. still connected clients could receive
> emails but new clients can't get a connection, telnet on port 143 does no
> result in "* OK server Cyrus IMAP4 v2.1.18 server ready". it seems master
> does not spawn imapd any more. after restarting the master daemon
> everything is fine.
> this is the only error message in /var/log/imapd.log
> - SQUAT failed to open index file
that's no error. Just ignore it.
> our server runs on FreeBSD 4.10-RELEASE-p18
> following packages are installed:
> - cyrus-imapd-2.1.18_1
> - cyrus-sasl-2.1.21
> - cyrus-sasl-saslauthd-2.1.19
> - postfix-2.1.4,1
> is this a known problem?
> are there any solutions for this problem?
The most likely explanation would be a process limit in cyrus.conf. As an
example, we have the following:
imap cmd="imapd" listen="imap.uni-koeln.de:imap" prefork=20
So if there are already 300 imap processes, no further processes will be
Cheers, Sebastian Hagedorn
Sebastian Hagedorn - RZKR-R1 (Gebäude 52), Zimmer 18
Zentrum für angewandte Informatik - Universitätsweiter Service RRZK
Universität zu Köln / Cologne University - Tel. +49-221-478-5587
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