Queue is slow to empty, and another thing

[Paul Houselander]

Take a look at

http://wiki.mailscanner.info/doku.php?id=maq:index#optimization_tips

Click the Instructions link for how to use tmpfs - has some other tips for
optimization.

Cheers

Paul

-----Original Message-----
From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
Behalf Of Billy A. Pumphrey
Sent: 18 August 2005 17:07
To: MAILSCANNER at JISCMAIL.AC.UK
Subject: Re: Queue is slow to empty, and another thing


> -----Original Message-----
> From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On
> Behalf Of Mike Kercher
> Sent: Thursday, August 18, 2005 11:00 AM
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Re: Queue is slow to empty, and another thing
>
> 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


I have not tried that.  I would not have a clue as to how to do it.  Any
pointers?

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