On Thu, 12 May 2011, Don Tucker wrote:
> Well, after timing each of the steps at shutdown, most steps take a
> second or less. Shutting down apache only takes 2-3 seconds, so I don't
> really buy much from turning that daemon off. The big time sinks are (1)
> stopping rsyslogd (~14 seconds),
Do you need it? Do you need the syslog messages? It may be luxery you can
do without. Unless I need it for debugging during development I think use
of syslogd with flash memory is something best avoided.
> (2) unmounting the local file systems (~11 seconds),
> and broadcasting halt to all processes (~5 seconds).
> Unfortunately, it doesn't seem like a good idea to do away with any of
> those steps.
>
> Don
>
> On 5/11/2011 3:43 PM, Don Tucker wrote:
> > Thanks, everyone. I know I can do away with apache, but I don't really know
> > what all of the other daemons are doing. I guess it's time to learn. I know
> > I need sshd and dhcpd, and I figured that syslogd was probably a good idea.
> > I had also assumed that crond, and inetd were probably required. That
> > doesn't leave much else to turn off, but I'll look into it more. I
> > appreciate all of the suggestions. I know I could just cycle power or force
> > a halt, but I don't want to end up with file system corruption, so shutdown
> > seems to be the most graceful way to do it. Alas, a minute can be a long
> > time for a user in the field to wait.
> >
> > Don
> > On 5/11/2011 3:23 AM, Jim Jackson wrote:
> > >
> > >
> > >
> > > On Tue, 10 May 2011, Don Tucker wrote:
> > >
> > > > My TS-7260 takes about a minute to shut down (after a "shutdown -h
> > > now"). Can
> > > > anyone recommend ways to shorten this time? I know that I can not launch
> > > > certain daemons at start-up, so I don't have to worry about them at
> > > shutdown,
> > > > but I don't know which ones I can safely remove (other than, probably,
> > > apache)
> > > > from the default TS image (lenny, 2.6.21-ts).
> > >
> > > First analyse exactly what you need to run, e.g. sshd, your_app, etc Then
> > > in the rc2.d directory move all SNNapp and KNNapp for the stuff you DONT
> > > need running to No_SNNapp and No_KNNapp.
> > >
> > > Then re-time shutdown.
> > >
> > > I always stick to the TSimage (not the Debian image) because it is so
> > > minimal. I add what I need, then I know what needs doing for shutdown.
> > > In fact shutdown usually only involves killing some daemons then
> > > umount'ing
> > > and filesystems then halting.
> > >
> > >
> >
>
>
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