cyrus daemons: -U option
kael at alussinan.org
Fri Mar 11 18:52:20 EST 2005
Henrique de Moraes Holschuh wrote:
> On Fri, 11 Mar 2005, Jukka Salmi wrote:
>>why is it needed to shut down a process after it has handled a certain
>>amount of connections? I'm talking about the -U option to imapd, pop3d,
>>lmtpd, nntpd, etc.
> It is not _needed_. But it is a defense against lurking bugs that leak
> memory, and againt some scenarios of memory corruption and attacks.
> It is just a safety net. If it is causing too much of a performance
> drawback for you, don't use it.
I'm also interested with this question; specially, I don't clearly
understand what the -U and -T options infer.
My goal is to run nntpd 24/7 without need to do anything else except
launching it once; but currently, nntpd starts and then stops after
cyrus-master seems to be involved with this problem but I can't find how.
In /etc/cyrus.conf, I added in the SERVICES section:
nntp cmd="nntpd -U 500 -T 600 -f " listen="nntp" prefork=5
then started cyrus like this:
... instead of:
$ service cyrus-imapd start
... but unsuccessfully.
Because the feed regularly stops to be delivered, I'm wondering if an
EVENT should be created in /etc/cyrus.conf for nntpd.
I hope you could enlighten.
Thank you very much.
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