Performance with postfix

[JC Putter]

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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__________ Information from ESET NOD32 Antivirus, version of virus signature database 3982 (20090402) __________

The message was checked by ESET NOD32 Antivirus.

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-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.