m.seaman at infracaninophile.co.uk
Sat Apr 10 00:29:51 PDT 2004
On Fri, Apr 09, 2004 at 06:27:42PM -0700, Cory Petkovsek wrote:
> On Fri, Apr 09, 2004 at 10:16:42AM +0100, Matthew Seaman wrote:
> > On Thu, Apr 08, 2004 at 04:08:39PM -0700, Cory Petkovsek wrote:
> > > Stopping sendmail with `sh /etc/rc.sendmail stop` works quickly. Starting it
> > > takes about 3min. Both sendmail-submit and sendmail-clientmqueue take a
> > > while before moving. Booting also has this delay.
> > In the interests of eliminating the obvious: you have confirmed that
> > this is not some sort of DNS timeout? Delays of that length on
> > starting up sendmail are usually due to waiting out the DNS timeouts.
> Would dns timeouts affect mailq? My dns is setup correctly locally, which is
> where I was trying to send my tests, to my local mailhub. What is also
> interesting is that it has started working again at a normal speed, without any
> changes or restarts. It was slow over config changes, make world, and
> reboots. But became slow, then became normal just by sitting idle. I have a
> p4 with HT and an SMP/HT kernel. Could that have anything to do with it?
Hmmm... Very strange. I wonder if it's sendmail causing the effect at
all -- sounds like it might be something more systemic. Do you have
ACPI enabled? Could it be that the system is throttling the CPU under
load -- perhaps to keep the CPU cool?
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614 Bucks., SL7 1TH UK
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