Re: [AMaViS-user] mail processing bottleneck

At 17:59 18.04.2008, you wrote:
>What is your hardware like and how many $max_servers are you running?

$max_servers=15

its a dual xeon, 2gb, scsi hw-raid (10.000 u/m)
i dont think it is a hw issue ... like said CPU load is at 40% avg.

>If you run amavisd-new at $log_level = 2; for a minute or so, you will
>get some TIMING data that will show that 95% of the time spent is on
>spamassassin scanning. SA is CPU intensive and queries many external
>network resources (RBLs etc.), so additionally it is subject to high
>delays. A local caching DNS server helps here.

ah ... i will investigate in DNS lookups...

>If other resources like
>Razor, Pyzor and DCC are utilized,

no.

>you can expect further delays
>(mostly from Pyzor - especially if using the default server). There
>have been a few posts looking for the same type info, like this one
>for example:
>
>http://marc.info/?l=amavis-user&m=120283445607760
>
>It would be cool if someone were to take the time to create a document
>outlining all the ways that SA could be performance tuned. There seems
>to be an increasing need.
>
>On a powerful system with a lot of $max_servers running, eventually
>one may reach the point where the disks can't keep up.

is it just the amavids $max-servers ?
i switched it from 10 to 15 - showing no effect at all...
shouldn't sendmail/amavisd-milter/clamd be configured alike?

regards

MK


>--
>Gary V
>
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