Re: load average question
On Sat, Nov 23, 2002 at 09:20:25AM +0100, Torsten Krueger wrote:
> On Sat, 23 Nov 2002, Russell Coker wrote:
> > On Fri, 22 Nov 2002 23:51, Scott St. John wrote:
> > > A few weeks ago we talked about me moving a server from BSDi to Debian. As
> > > luck
> > > would have it that BSDi server gave out last Monday and I had to move fast
> > > to replace
> > > it. Knowing I can do a RH install in about 30 minutes I went the route of
> > > familiar
> > > territory and installed 7.2 with Sendmail/QPopper/Apache/OpenWebMail. I am
> > > paying
> > > for that now with a huge performance problem. I am seeing Load Averages
> > > spiking
> > > above 6 during the day. Hardware is a Dual P3-600 with a gig of ram on a
> > > IBM Netfinity Raid 5 controller.
> Hmm - watch out for the load qpopper produces. Since the sendmail/qpopper
> combination uses mbox a users mailbox is copied every time the mbox is
> accessed. If you have large mailboxes (e.g. no quota an users leave mail
> on server) this can produce a significant load.
In a former life (4+ years ago) we had to move from qpopper to
cucipop for exactly this reason. Quotas help too.
These days I think the servers in question are running qmail-pop3d.
Nathan Norman - Incanus Networking mailto:email@example.com
Avoid gunfire in the bathroom tonight.