Queue is slow to empty, and another thing

[Mike Kercher]

MailScanner mailing list <> scribbled on Thursday, August 18, 2005 10:57 AM:

> My MailScanner machine is:
> Dual 600mhz
> 1024 RAM
> 5x hard drives @ RAID 5
> 
> MailScanner version 4.43.8
> Running razor, DCC, pyzor, rulesdujour, various other rules,
> ClamAV, Bitdefender (all latest versions as of about 2 months ago)
> 
> 1.
> My MailScanner is a gateway between the internet and Exchange.
> I put missed spam in a exchange folder
> Use fetchmail to get the spam mail to the linux machine Run sa-learn
> 
> 
> --- ALL WORKS FINE ---
> 
> I usually have between 100-300 emails that I do at once.
> This fills up the inbound queue (looking at mailstats).  It
> always takes a long time to get it emptied and processed,
> about 30min or a little longer.
> 
> On normal operation, when I am not slamming it with 300
> emails, it keeps up just fine.  Mailwatch shows:
> Load Average: 5.12 4.84 4.49
> 
> I telnet in and "top", cpu usage isn't 100% all the time,
> average maybe 60-70.  RAM is ok = about 700-800 used out of 1024.
> 
> Common sense pretty much tells me that the machine is chuggin
> and just cannot keep up.  Can anyone recommend any changes to
> speed up this machine with settings?
> 
> 2.
> Also when I do this process.  It seems that when the missed
> spam emails go through mailscanner again, some of it gets
> tagged as spam.  Why would it get tagged as spam the second
> time and not the first time?
> 

You may be getting killed by disk IO.  Have you tried mounting
/var/spool/MailScanner/incoming on a tmpfs?

Mike

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