Debugging and resolving high loadavg when running MailScanner

Phillip T. George phillip at EACSI.COM
Wed Feb 16 17:05:10 GMT 2005

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Scott Silva wrote:

> Richard Curtis wrote:
>> I am not using either... running
>> spamassassin -D --lint -p /etc/MailScanner/spam.assassin.prefs.conf
>> says there are two problems - but the two problems appear to be that
>> razor and pyzor are not installed..
>> The load is sitting at around 0.5 at the moment - but when I was looking
>> about 5 minutes ago it shot to 5.0 when a large batch of email came in.
>> I am wondering if I need to do something with the number of children.  I
>> currently have it set to 10 - based on the reccomendation of 5 per cpu.
>> The other thing I think might be related to my problems are the fact
>> that the system is using a fair amount of swap - would that contribute
>> to the load ?
> 10 children is too many with the lack of ram. The easiest (but not
> cheapest) would be to double the ram to 1G.
> Or try lowering the children to a point where the queues still move
> adequately.
I'm not sure that "per CPU" is the best method.  I mean, come
on...there's people that probably are still using dual P3s :)


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