Performance with postfix

[Gareth]

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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