Preference for batch sizes

[Julian Field]

I've consistently been getting razor timeouts all the time now. If you are
using razor, try switching it off ("use_razor2 0" in
spam.assassin.prefs.conf then restart MailScanner).

At 16:15 12/02/2004, you wrote:
>My message count is 35K-50K a day. Spam percentage is about 85-90%. I am
>running a P3 900MHz with 1MB ram. RH7.3 sendmail updated to last up2date.
>
>My problem is more with what will make this run like two days ago. I don't
>really have a clue about what is causing the slowness.
>
>I have also started adding more to my blacklist file, noting that these have
>no spam scores, and assume they are skipped right away. I realize that
>adding them to my MTA would be better, but I'm trying to make the
>MailScanner part better tuned now.
>
>Steve Campbell
>campbell at cnpapers.com
>Charleston Newspapers
>
>----- Original Message -----
>From: "David Hooton" <david at platformhosting.com>
>To: <campbell at CNPAPERS.COM>
>Sent: Thursday, February 12, 2004 10:45 AM
>Subject: RE: Preference for batch sizes
>
>
>Hi Steve,
>
>What is your server spec, and how many messages per day are you processing?
>
>Regards,
>
>David Hooton
>Senior Partner
>Platform Hosting
>1300 85 HOST
>www.platformhosting.com
>
>
> > -----Original Message-----
> > From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK] On
> > Behalf Of Stephe Campbell
> > Sent: Friday, 13 February 2004 2:17 AM
> > To: MAILSCANNER at JISCMAIL.AC.UK
> > Subject: Preference for batch sizes
> >
> > We are seeing a real slow down in mail delivery here since yesterday. We
> > are
> > receiving about 50% more mail, but our system can't seem to keep up. Our
> > normal mail count is probably about 35K-50K a day. Spam percentage is
> > about
> > 85-90%.
> >
> > I have noticed the last two days a high rate of mail in incoming beginning
> > around 10pm until midnight. When I look at my average load, it seems to be
> > dropping linearly from 3 down to .6 or something like that. (Can servers
> > get
> > tired and need a rest?). Large incoming batches were always handled fairly
> > quickly before this period, and I'm not sure if we're just slow or are
> > receiving a lot of new mail, but based on complaints, mail is slow.
> >
> > I have two questions:
> >
> > Would smaller batches of mail be better? I have this set to 100 normally,
> > and am testing 50 at the moment. I am guessing that smaller batch sizes
> > may
> > take less time to process and get them through faster as a batch, but
> > overall processing of total email may be the same or slightly slower.
> >
> > I have Max Children set to 5. Top shows 8-9 MailScanners running. Is this
> > a
> > problem or could it be multiple parents/children. This machine is pretty
> > much maxed out when this happens. Maybe lower the Max Children, or
> > increase
> > the Queue Scan Interval from 5?
> >
> > Any help and suggestions would be appreciated.
> >
> > Thanks.
> >
> >
> > Steve Campbell
> > campbell at cnpapers.com
> > Charleston Newspapers
> >
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>
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--
Julian Field
www.MailScanner.info
MailScanner thanks transtec Computers for their support

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