From: email builder (emailbuilder88yahoo.com)
Date: Sun Oct 03 2004 - 18:39:45 CDT

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> What has me completely boggled is that it leveled off at that count for about 6
> hours.
> It kept up with incoming messages just fine (average around 75/min which has been
> consistent the whole time, draining or not), but never drained any more.
> Interestingly,
> I watched it drop 10,000 out of the incoming queue at the end of that 6 hours, but now
> it
> has leveled off again and is not draining.
>
> I find it hard to believe that we have a bottleneck somewhere, given the rate at
> which
> we saw things drain when the incoming queue was so big. In fact, during this "level
> state", our LDA (Courier Maildrop) has been largely inactive (before, we had LOTS of
> maildrop processes very very busy).
>
> So can anyone suggest a reason why the active queue might appear to be getting lazy?
> Is there anything I can do to give it a bump?

I don't understand how this wasn't a problem when we were draining something like 9000
messages an hour, but I finally found what might be the solution in our (extremely busy)
logs (qmgr -v):

Oct 3 15:53:35 myhost postfix/qmgr[5236]: warning: mail for localhost:10024 is using up
20000 of 20000 active queue entries
Oct 3 15:53:35 myhost postfix/qmgr[5236]: warning: you may need to increase the main.cf
amavis_destination_concurrency_limit from 20
Oct 3 15:53:35 myhost postfix/qmgr[5236]: warning: please avoid flushing the whole queue
when you have

If this doesn't do the trick, I'll be back... :)

Cheers!

                
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