MS Performance

Mike Kercher mike at CAMAROSS.NET
Wed Jul 9 14:43:35 IST 2003

Agreed.  You might also consider moving your incoming to a tmpfs:

/bin/mount -t tmpfs tmpfs /var/spool/MailScanner/incoming


tmpfs on /var/spool/MailScanner/incoming type tmpfs (rw)

Do this only after adding RAM to your system though!


-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On Behalf
Of Martin Hepworth
Sent: Wednesday, July 09, 2003 5:28 AM
Subject: Re: MS Performance


RAM, add more RAM. 128MB is kinda low, esp a you can get 512MB ram for < 50
UK pounds (~75 Euro I guess)


Andrea Cogliati wrote:

> Guys,
> we did several stress tests on our MS gateway and these are the 
> results.
> System description:
> Single Intel Pentium 4 1.8 GHz
> 128 MB RAM
> 40 GB single IDE disk
> MS 4.22-5
> SpamAssassin 2.55
> AV: McAfee and ClamAV
> With this system we are able to process about 100 messages/minute.
> We had to lower the number of MS children processes to 3, as with the 
> default of 5 we got a lot of swapping (each MS process uses about 20MB 
> of
> memory) and
> performance severely degraded. Increasing the number of messages per 
> process to 75 also improved the overall performance a little bit.
> Does this make any sense? Can I improve the performances tuning the 
> system configuration?
> TIA,
> Andrea

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