Performance with postfix

[Glenn Steen]

2009/4/2 Martin Hepworth <maxsec at gmail.com>:
> too many children for 1GB....1 or maybe 2 for that amount.
>
Indeed. And do as suggested and lose the tmpfs - at least until you
have gotten another (three:) GiB into that box.
Also, during your lint trials, make sure you don't spend time on
something silly like a massive bayes_seen file (making bayes a
veritable hog).

-- 
-- Glenn

> 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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>>
>>
>> __________ 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.
>>
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>
>
>
> --
> Martin Hepworth
> Oxford, UK
>
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>
> Support MailScanner development - buy the book off the website!
>
>



-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se