inconsistent performance

[Martin.Hepworth]

Simon

What RBL's you using? Could be one of them backing up - eg spamhaus tend to slow down their feed if you go over the 'free' limit.

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300

> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info
> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf
> Of Simon Jones
> Sent: 07 July 2008 17:46
> To: MailScanner discussion
> Subject: Re: inconsistent performance
>
> Could be I guess, netstat just shows up the usual mass of
> smtp connections - it's just really odd why it's ok on the
> most part but as soon as somthing triggers a choke they all
> start backing the queue up with messages.
>
> I'll do some more checking around.
>
> thanks Richard
>
> SMJ
>
> 2008/7/7 Richard Frovarp <richard.frovarp at sendit.nodak.edu>:
> > Simon Jones wrote:
> >>
> >> hello chaps,
> >>
> >> anyone have an idea why i'm seeing inconsistent
> performance on all 3
> >> of my gateway servers?  Nothing shows up errors in the maillog and
> >> MailScanner --Lint checks out ok but from time to time the
> machines
> >> will choke and i'll stack 2k and rising messages up in the
> hold queue.
> >>
> >> one day they'll work fine and the hold queue will be
> normal, then all
> >> of a sudden they'll start backing up.
> >>
> >> I have postfix reading from mysql for the relay_domains /
> >> relay_recipients and transport maps as well as logging to
> a seperate
> >> db on the same seperate db server for mailwatch.
> >>
> >> the mysql db has dual oppy's with 10gb ram so it's pretty
> beefy and
> >> doesn't seem to be maxed at all.
> >>
> >> the gateways run fairly heavy but are by no means topping
> out.  I've
> >> tried dropping max children and the batch processing
> settings but to
> >> no avail.
> >>
> >> any ideas would be really appreciated.
> >>
> >> thanks
> >>
> >> SMJ
> >>
> >
> > What about mail volume? Is it consistent across the days in
> question?
> > Or, even if the numbers are the same, you might end up with bursty
> > traffic on the days you backup, causing everything to fall behind.
> > Botnets, mailing lists, all of that sort can drop traffic on you in
> > one heck of a hurry at times.
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