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SubjectRe: Linux-kernel traffic statistics
On Wed, Feb 14, 2001 at 10:50:11AM +0100, Rogier Wolff wrote:
> Matti Aarnio wrote:
> > That X-Mailing-List: is actually a LOOP detection measure.
> > http://vger.kernel.org/lkml/#s3-9
>
> Hi Matti,
>
> May I ask you some statistics?
> How many people are on lkml?

3027 subscribers

2481 separate domains.

> How many mails does vger send out every day on average? (I know it
> gets help from exploaders around the globe, so it probably doesn't add
> up to nmessages*nsubscribers).

It used to get help from fanout servers, none are in use anymore.
Vger's load-average is around 0.0 - 0.1, nevertheless ;)

Picking one address only present at linux-kernel, and counting
some days backwards with logs (these include also retries,
which often to the choses sample destination are 0):

/var/log/maillog.1
232
/var/log/maillog.2
259
/var/log/maillog.3
139
/var/log/maillog.4
102
/var/log/maillog.5
148
/var/log/maillog.6
216
/var/log/maillog.7
240

So, 100 to 260 messages per day during the past week of rotated
logs.

Total daily traffic counts of successfull sends are:
(Each recipient address, not only domain, gets its own syslog line)

/var/log/maillog.1
719616
/var/log/maillog.2
812118
/var/log/maillog.3
429046
/var/log/maillog.4
316667
/var/log/maillog.5
460353
/var/log/maillog.6
669020
/var/log/maillog.7
752678

And the grand-totals of SMTP delivery attempts:

/var/log/maillog.1
725514
/var/log/maillog.2
821661
/var/log/maillog.3
438685
/var/log/maillog.4
322529
/var/log/maillog.5
466632
/var/log/maillog.6
676869
/var/log/maillog.7
757461


So, yesterday linux-kernel traffic represented 97.6% of all
traffic at VGER. On day number 4 - also 97.5% ...

The share of failed delivery attempts (retries, etc) hovers
around 1-2 percent of all.
(I did spot calculations, others may want to do some
spread-sheeting.)

> Roger.
> --
> ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 **

/Matti Aarnio
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