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From: Charlie Brady <charlieb-smarden-supervision@budge.apana.org.au>
Newsgroups: gmane.comp.sysutils.supervision.general
Subject: Re: [runit/svlogd] RFE: periodic log-rotation; filter-malfunction
Date: Fri, 3 Sep 2004 11:15:48 -0400 (EDT)
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On Thu, 2 Sep 2004, Enrico Scholz wrote:

> > I'll have to think about it, in the meantime you could setup a separate
> > service doing this work, e.g.:
> >
> >  /var/service/socklogrotate/run:
> >  #!/bin/sh
> >  runsvctrl alarm /var/service/socklog
> >  exec sleep <seconds>
> 
> I do not like this, because:
> 
> * it adds extra bloat to the system (it is bad enough that I have to spawn
>   a stunnel-instance per logrotation; an additional sleep+bash-process
>   would increase system-load significantly).

You're running stunnel and bash (and probably SysVinit and xinetd), and
you point the bloat finger at one little runsv process?

If you want to start a new shell less frequently, do:

#!/bin/ash
while true
do
 runsvctrl alarm /var/service/socklog/log
 sleep <seconds>
done

If you want a small solution, write a small program which trickles "a" 
characters into the control fifo for socklog/log, then supervise it.

---
Charlie