timeouts imapd

[Patrick Boutilier]

On 04/04/2014 05:41 AM, Lutz Kittler wrote:
> Hi,
>
> we use cyrus-imapd ( 2.4.16 ) , SASL and postfix ( 2.9.6 ) on
> Debian stable. We have problems with timeouts of imapd,
> eg. getting "cannot save to Sent" when sending a message.
>
> I looked to the log-files and found 2 things:
>
> 1. There are many entries of following kind in /var/log/debug:
>
>     Apr  4 10:29:04 master1 lmtpd: waiting 15 seconds for debugger
>     Apr  4 10:31:38 master1 imapd: waiting 15 seconds for debugger
>
> 2. At the same time I see in /var/log/messages
>
> Apr  4 10:28:39 master1 rsyslogd-2177: imuxsock begins to drop messages from pid 757 due to rate-limiting
> Apr  4 10:28:40 master1 rsyslogd-2177: imuxsock lost 12 messages from pid 757 due to rate-limiting

For the rsyslog part you need to increase rate limiting settings . For 
instance we have:

$SystemLogRateLimitInterval 10
$SystemLogRateLimitBurst 5000


in /etc/rsyslog.conf


>
>
> Why imapd/lmtpd are waiting for a debugger ? I didnt want to debug anything. Where may be a wrong
> entry in configuration files ?
>
>   lutz
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