Re: looks like apple fixed /etc/rc

Jim,

I didn't understand your comment

"It appears that you can shrink shmmax but not expand
it."

I did not comment out the kern.sysv.shmmax line and
it appears that my larger setting is sticking. Or is
it? What is that command to return the currrnt values
from the terminal?

Ted

--- "Jim C. Nasby" <decibel(at)decibel(dot)org> wrote:
> That's interesting. On my powerbook, I had to
> comment out the sysctl -w
> kern.sysv.shmmax line in /etc/rc. It appears that
> you can shrink shmmax
> but not expand it. This meant that it would properly
> set it based on
> /etc/syscttl.conf, but that (large) setting would
> then be over-written
> by the subsiquent sysctl -w.
>
> On Fri, Apr 29, 2005 at 09:39:55AM -0700, Theodore
> Petrosky wrote:
> > I just updated to 10.3.9 and of course the /etc/rc
> was
> > dinged. I opened the /etc/rc and found a change..
> >
> > # System tuning
> > sysctl -w kern.maxvnodes=$(echo $(sysctl -n
> > hw.physmem) '33554432 / 512 * 1024 +p'|dc)
> > if [ -f /etc/sysctl-macosxserver.conf ]; then
> > awk '{ if (!index($1, "#") && index($1,
> "="))
> > print $1 }' < /etc/sysctl-macosxserver.conf |
> while
> > read
> > do
> > sysctl -w ${REPLY}
> > done
> > fi
> >
> > if [ -f /etc/sysctl.conf ]; then
> > awk '{ if (!index($1, "#") && index($1,
> "="))
> > print $1 }' < /etc/sysctl.conf | while read
> > do
> > sysctl -w ${REPLY}
> > done
> > fi
> >
> > sysctl -w kern.sysv.shmmax=4194304
> > sysctl -w kern.sysv.shmmin=1
> > sysctl -w kern.sysv.shmmni=32
> > sysctl -w kern.sysv.shmseg=8
> > sysctl -w kern.sysv.shmall=1024
> >
> > It appears that apple is checking for
> etc/sysctl.conf
> > before setting the sysctl values. so I created a
> > etc/sysctl.conf with this inside:
> >
> > kern.sysv.shmmax=33554432
> > kern.sysv.shmmin=1
> > kern.sysv.shmmni=32
> > kern.sysv.shmseg=8
> > kern.sysv.shmall=65536
> >
> > I did not alter /etc/rc. postgresql starts up just
> > fine. I hope this implys that the issue is
> resolved..
> >
> > Ted
> >
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> --
> Jim C. Nasby, Database Consultant
> decibel(at)decibel(dot)org
> Give your computer some brain candy!
> www.distributed.net Team #1828
>
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>

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