System capacity

Scott Silva ssilva at SGVWATER.COM
Mon Dec 6 16:18:51 GMT 2004


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Dave Filchak wrote:
| I just received my copy of the MailScanner book and was beginning to go
| through it and in the course of doing that, it mentions system
| configurations and some examples found on the MAQ. In looking at that I
| came across the following stats that sort of freaked me out.
|
| Hardware: 1 x P4-2.0Ghz, 1G RAM, 80G IDE
| Software: RHES 3, Sendmail 8.12.x, SA, razor, pyzor, dcc
| RBLs: MTA = spamcop, ordb, sbl-xbl.spamhaus
| Virus Scanners: ClamAVmodule SophosSAVI
| Volume: 150 messages/day
| Average Load: Around 2-4
|
| Hardware: 1 X Pentium, 200, 256 MB RAM, 4.3 SCSI HDD.
| Software: Red Hat 9, Postfix 2.0.16, Gateway mode - All Mail forwarded
| to Lotus Domino, Spamassassin, Pyzor, DCC, MailWatch, Vispan,
| Mailscanner-MRTG, Caching Named,
| RBLs: None in MTA, None in MailScanner, All in SpamAssassin
| Virus Scanners: ClamAV
| Volume: 1500 messages/day
|
| Now I have a  Pentium IV 2.6 GHz machine with a gig of ram and and
| pushing through about  750 to 1000 on average with some days going
| considerably higher, so this makes me worry a lot ;-(  Am I totally
| under powered here? I am
| using  a setup very similar to the first one except it is RH 9. I also
| find it odd that the second system can process more mail per day? Is it
| a typo?
I have 2 sites with dual P3 1.0 Ghz and 1 gig of ram. They each pull
about 2k a day and backup MX each other. As for system load, my log
rotation has more effect on load than anything else has.

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