Date: Sun, 7 Jul 2002 10:40:44 +0200 From: Nicolas Rachinsky <list@rachinsky.de> To: freebsd-stable@FreeBSD.ORG Subject: Re: cvs commit: src/usr.sbin/newsyslog newsyslog.c Message-ID: <20020707084044.GA19140@narr.dauerreden.de> In-Reply-To: <3D27B7B2.1B8EEE9B@FreeBSD.org> References: <200207011244.g61CiG3Y013597@freefall.freebsd.org> <20020707022423.GA51424@gw.tex.bogus> <3D27B7B2.1B8EEE9B@FreeBSD.org>
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* Doug Barton <DougB@FreeBSD.ORG> [2002-07-06 20:38 -0700]:
> Nuno Teixeira wrote:
>
> > Does this mean that now I can use newsyslog to compress apache logs?
>
> The problem with newsyslog and things like apache and named is that the
> process continues writing to the file after you mv it. The proper
> procedure for such processes is:
>
> mv logfile logfile.old
> hup process
> (process creates and starts writing to new log)
> compress logfile.old
newsyslog in 4.6 RELEASE does:
mv logfile logfile.old
touch logfile
hup daemon
sleep(10)
compress
BTW I just mv'd some of my logfiles, syslogd is happily continuing to
write to them.
> That way you don't lose anything. Since it's designed to work with
> syslogd, what newsyslog does is:
>
> mv logfile logfile.old
> (syslogd stops writing to logfile)
> compress logfile.old
> create logfile
> hup syslogd
I don't think so.
> That works fine for syslog, but wreaks havoc with things like apache and
> named. There is a ${PREFIX}/sbin/rotatelogs script that comes with
> apache, you should take a look at that and modify it to suit your needs.
It wouldn't work for syslog.
Nicolas
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