Performance with postfix

[Martin Hepworth]

too many children for 1GB....1 or maybe 2 for that amount.

2009/4/2 JC Putter <jcputter at centreweb.co.za>

> i am using sa-compile, i have configured 7 childeren
>
> ----- Original Message ----- From: "Gareth" <
> list-mailscanner at linguaphone.com>
> To: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
> Sent: Thursday, April 02, 2009 5:07 PM
> Subject: Re: Performance with postfix
>
>
>
>  1GB od ram is probably the limiting factor with your current system
>> configuration.
>>
>> Are you using sa-compile to compile the SA rules?
>>
>> How many mailscanner children do you have configured?
>>
>> On Thu, 2009-04-02 at 15:52, JC Putter wrote:
>>
>>> Hi i am busy testing what load my mailscanner box can handle.
>>>
>>> i am running an intel 2.4Ghz with 1GB RAM and a normal SATA HDD drive
>>> using Postfix as MTA all RBL's are in SA al running on Centos 5.2
>>>
>>> i am using smtp-source to test sending 2000 messages at once and i not
>>> getting the results i was hoping for it, after 24 min of running there
>>> are still 1300 messages in the queue.
>>>
>>> is the normal or bad, postfix is a fast mta, i also noticed that
>>> mailscanner scans messages in batches of 30, and it really takes a
>>> long time for the 30 messages to be placed back in the queue.
>>>
>>> vmstat
>>> procs -----------memory---------- ---swap-- -----io---- --system--
>>> -----cpu------
>>>  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us
>>> sy id wa st
>>>  0  0 187204  43488  19036  65140    1    1     7    23   73    7  5
>>> 0 94  0  0
>>>
>>> again am i asking too much from the hardware or is there something i
>>> can do to increase performance? '
>>>
>>> i am using a caching dns server and added
>>>
>>> none /var/spool/MailScanner/incoming            tmpfs
>>> defaults       0 0
>>>
>>> in fstab
>>>
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>>
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>> signature database 3982 (20090402) __________
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>> The message was checked by ESET NOD32 Antivirus.
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>
> __________ Information from ESET NOD32 Antivirus, version of virus
> signature database 3982 (20090402) __________
>
> The message was checked by ESET NOD32 Antivirus.
>
> http://www.eset.com
>
>
>
>
> --
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
>
> --
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
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>
> Support MailScanner development - buy the book off the website!
>



-- 
Martin Hepworth
Oxford, UK
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