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SubjectRe: linux-kernel's extremely slow turnaround time
On Sun, 10 Jan 1999, Matti Aarnio wrote:

> Jordan Mendelson <jordy@wserv.com> wrote:
> > Alan Cox wrote:
> ...
> > > I doubt DaveM needs convincing, if someone can ship him a bigger box to
> > > replace Vger Im sure he'd be very happy
> >
> > Anyone know how much mail on average vger.rutgers.edu handles per day?
> > With all the mailing lists it handles it might be worth while to add a
> > second box instead of replacing vger. I noticed it used zmailer and I'm
> > not sure how it's performance compares to sendmail.
>
> With these loads, sendmail would have killed the box
> ages ago... The main problems spin around Majordomo,
> and the ``small'' fact that each posting to any list
> goes once thru Majordomo, and THRISE thru the mailer
> with one run with 3000+ recipients.

Um, why sendmail/majordomo? Debian uses qmail, which has built-in list
handling. It is fast(but non-free, ick). To see some stats, go to
http://murphy.debian.org/mrtg/(this is lists.debian.org)

We have turn-around times of not more than 20 minutes. The machine is a
pentium 75, with 64m, and 120m of swap.

>
> The queue at the MTA is right now 6170 messages.
> During previous 7 hours the MTA has handled 380 000
> recipient addresses.
>
> The system disk at which there is all Majordomo, MTA,
> CVS, Anon-FTP, and home-directory load is ST15230N
> at a moderate (propably 5MHz SYNC) SCSI bus.
>
> Also, VGER and Dave are not at the same side of the
> continent. We have done some planning about this
> with Dave, but it will take some months to resolve.
> Dave does have machines, have no fear, but they
> are in California, while VGER is at New Jersey.
> Maybe VGER's linux-list services need to change their
> domain -- like to lists.kernel.org, lists.linux.org.
> That way it won't be tied to Rutgers anymore.
>
> > Also, what kind of box is vger right now and what kind of CPU/memory
> > load is the box at on average?
>
> SparcStation10/50MHz, 128 MB RAM with 50 MHz SuperSparc.
> Average load-average is 5 to 10, and only one process
> is doing email routing -- e.g. it is getting 10-20%
> of CPU to do that task.
>
> > Guess we need a save the vger fund. :)
> > Jordan
> > --
> > Jordan Mendelson : http://jordy.wserv.com
> > Web Services, Inc. : http://www.wserv.com
>
> /Matti Aarnio <matti.aarnio@sonera.fi>
>
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>

Adam Heath


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