Performance numbers for a DELL R710

[Alex Neuman]

Also milter-null can help with backscatter and fake bounces.

On Mon, Jun 8, 2009 at 5:42 PM, Kevin Miller
<Kevin_Miller at ci.juneau.ak.us>wrote:

>  Doing any graylisting, greet-pause, or recipient address verification?
> Stopping invalid messages at the MTA handshake level takes a lot of the load
> off MailScanner...
>
>
> ...Kevin
> --
> Kevin Miller                Registered Linux User No: 307357
> CBJ MIS Dept.               Network Systems Admin., Mail Admin.
> 155 South Seward Street     ph: (907) 586-0242
> Juneau, Alaska 99801        fax: (907 586-4500
>
>
>  ------------------------------
> *From:* mailscanner-bounces at lists.mailscanner.info [mailto:
> mailscanner-bounces at lists.mailscanner.info] *On Behalf Of *Zaeem Arshad
> *Sent:* Tuesday, June 02, 2009 7:42 PM
> *To:* MailScanner discussion
> *Subject:* Re: Performance numbers for a DELL R710
>
>
>
> On Wed, Jun 3, 2009 at 12:47 AM, Martin Hepworth <maxsec at gmail.com> wrote:
>
>> Zaeem
>>
>> nice.
>>
>> depends on the tests you run (RBLs etc) and the size of the emails.
>>
>> look in the wiki for performance and tuning on both MailScanner and
>> Spamassassin.
>
>
>
> I have a test box with the same specs but 8 Gigs of RAM. My performance
> tuning so far has been
>
> - tmpfs for message scanning
> - DNS caching server on the same box
> - Lower timeouts on Postfix (another instance handling retries)
> - Compiled rules on SA
> - DCC, Razor
> - Clamd
> - Asyncrhonous logging
>
> Filesystem underneath is XFS and average mailsize is around 60KB. I have
> pretty much made all the changes suggested and currently the server is
> handling around 45000 emails/hour. Do you think increasing the number of
> MailScanner children might help? What other performance tweaks can I have? I
> am looking to scale the system to handle at least 65 emails/second with
> antivirus, antispam scanning and RBL checks.
>
>
> --
> Zaeem
>
>
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>
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>
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>
>


-- 
Alex Neuman van der Hans
Reliant Technologies
+507 6781-9505
+507 202-1525
alex at rtpty.com
Skype: alexneuman
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