Users of RBL's

[Steve Campbell]

Quoting Mark Presling <mark at presling.com>:

> 
> Steve Campbell wrote:
> > Chris, and all,
> >
> > ----- Original Message ----- From: "Mark Presling" <mark at presling.com>
> > To: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
> > Sent: Thursday, June 29, 2006 6:58 AM
> > Subject: Re: Users of RBL's
> >
> >
> >> Hi Chris,
> >>
> >> Have you checked the size of your bayes database files? I used to have a
> >> 1GB machine that SpamAssassin would regularly time out on because the
> >> bayes DB would get too big from the auto learning. I had to tune it so
> >> that the DB file would stay below 5MB or it just timed out scanning
> >> larger messages. It also used up 100% of the CPU most of the time. I
> >> used to manually expire old tokens from it as well, but that was before
> >> MS started doing that automatically for me. Even on my newer server (2G
> >> Pentium 4) I still restrict the size of the the bayes DB with
> >> "bayes_expiry_max_db_size 400000". This seems to keep the DB at 
> >> around 10MB.
> >
> > I assume this should go into spam.assassins.prefs file? And do I just 
> > add this line and the next expiry will whittle the file down or do I 
> > have to do something to the files first?
> Yes that is correct. I am using MailScanner version 4.43.8 (~July 2005) 
> and I put it at the end of /etc/MailScanner/spam.assassin.prefs.conf. I 
> am in the process of preparing to upgrade to a newer version so can't 
> confirm that this is still the correct approach. MailScanner 
> automatically triggers the expiry, I don't have to do anything. Just 
> make sure that MailScanner.conf contains something similar to this:
> 
> # If you are using the Bayesian statistics engine on a busy server,
> # you may well need to force a Bayesian database rebuild and expiry
> # at regular intervals. This is measures in seconds.
> # 1 day = 86400 seconds.
> # To disable this feature set this to 0.
> Rebuild Bayes Every = 86400

Thanks,

Already have that set. It just seemed that my 50+ MB file was a lot bigger than
the 10MB mentioned, and I wanted to know if adding the additional setting would
take care of pruning the next time the expiry occurred or if it would complain
because of the size.

I also stopped/started MS after adding the new setting.

Steve
> 
> 
> >
> > Thanks for any input.
> >
> > Steve
> >
> >>
> >> Mark
> >>
> >> Chris Hammond wrote:
> >>>>>> Sounds like you may just be asking too much of the hardware.
> >>>>>>
> >>>>> This could very well be.  Before I go asking for a new server 
> >>>>> though, I want to make sure I have my ducks in a row.
> >>>>> When this was nothing more than a Postfix box with static rules, 
> >>>>> it handled the job just fine.  But I think it may
> >>>>> be really working for it's living.
> >>>>>
> >>>> MailScanner and SpamAssassin do use a lot of resources. It looks to be
> >>>> cpu bound, but that's a good thing usually! Any way to upgrade that
> >>>> processor? To reduce CPU usage, tune/configure some software. Did you
> >>>> read the performance tweaks section in the mailscanner wiki? To reduce
> >>>> disk writes, setup syslog to log to another box, or put mysql on 
> >>>> another
> >>>> box, or throw another cheap ide drive into the box and log to it,
> >>>> instead of the mirrored drives.
> >>>>
> >>>
> >>> I was beginning to feel the same way.  The DL-145 is a dual 
> >>> processor capable box
> >>> so I will see about adding a second processor to it.
> >>>
> >>> I did go through the tweaks section on the wiki.  My next thought 
> >>> was moving MySQL to
> >>> another machine.  There is no more room for another drive so that is 
> >>> not an option
> >>> unfortunately.  I am going to move the MySQL server to another box 
> >>> tonight and see what
> >>> that gains me.
> >>>
> >>> Thanks
> >>> Chris
> >>>
> >>> -- 
> >>> MailScanner mailing list
> >>> mailscanner at lists.mailscanner.info
> >>> http://lists.mailscanner.info/mailman/listinfo/mailscanner
> >>>
> >>> Before posting, read http://wiki.mailscanner.info/posting
> >>>
> >>> Support MailScanner development - buy the book off the website!
> >>>
> >>>
> >>
> >> -- 
> >> This message has been scanned for viruses and dangerous
> >> content by MailScanner, and is believed to be clean.
> >>
> >>
> >
> >
> >
> --------------------------------------------------------------------------------
> 
> >
> >
> >
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> >>
> >> Before posting, read http://wiki.mailscanner.info/posting
> >>
> >> Support MailScanner development - buy the book off the website!
> >>
> >
> >
> 
> -- 
> This message has been scanned for viruses and dangerous
> content by MailScanner, and is believed to be clean.
> 
> 




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