Here is a response from the qmail@list.cr.yp.to list that might be useful for y'all looking for managing log files differently. I know this has come up before.
Quinn
----- Begin forwarded message -----
Subject: Re: multilog s16777215 limit
Date: Tue, 28 Nov 2006 17:01:59 -0500
From: John Simpson <[EMAIL PROTECTED]>
To: qmail@list.cr.yp.to
On 2006-11-27, at 2013, Quinn Comendant wrote:
> I just learned that multilog has a maximum file size limit of 16777215
> bytes. For me that hardly saves 5 hours of SMTP traffic. I'm looking for a
> way to save 24 hours of data rather than doing it by a filesize limit...
> any way to do this? Either a 24hours limit or a larger size limit? Yes, I
> know the logs are rolled back and I can cat them together, but I'm looking
> for convenience. 16 MB is a tiny log file.
this is a script that i run as a cron job every hour. it goes through
/service/*/log/main and finds all of the "@*.[su]" files, runs them through
tai64nlocal, and adds them to /var/log/{service}.YYYY-MM-DD automatically...
which gives me per-day log files for all of the services i manage using
daemontools.
if you run it with the "-a" parameter, it sends an ALRM signal to each multilog
process and waits two seconds before looking for "@*.[su]" files, so it can
"force a cut-off at midnight" if you have a need for such a thing.
i also run all of my multilog processes with "n1024 s1048576". none of my
services come anywhere close to 1GB per hour of log data, so i've never been an
issue- although if i did have a high-traffic service, i would raise these
parameters accordingly, or just run this script more often.
i know it's not as automatic as you would like, but it's already written, it
works, and it's free (in the GPLv2 sense of the word.)
http://qmail.jms1.net/scripts/convert-multilog
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| John M. Simpson - KG4ZOW - Programmer At Large |
| http://www.jms1.net/ <[EMAIL PROTECTED]> |
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| Mac OS X proves that it's easier to make UNIX |
| pretty than it is to make Windows secure. |
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