>After running clamd & clamav-milter (0.71 & 0.72) very successfully for
>a few weeks, I started getting bunches of these syslogs over the past
>few days:
>
>Jun 4 19:30:08 gate sm-mta[61060]: i552Q7IQ061060: Milter (clamav-milter): timeout
>before data read
>Jun 4 19:30:08 gate clamav-milter[456]: No data received from clamd in 120 seconds
>
>When it happens, clamd shows up on top as using from 5% to 30% of the CPU.
>At first there were just a few of them, but last night they were pretty
>much continuous and I had to turn clamav off.
I managed to solve this problem. The answer is, not enough threads
specified for clamd, and also not enough children specified for
clamav-milter. I had to increase both of them to the same number
to fix it. That number, 200, is also the same as the MAX_DAEMON_CHILDREN
limit I set in sendmail.mc, so really there are three different places
that must agree on this limit or else things break.
This seems like a FAQ candidate - first that MaxThreads and --max-children
should be close or identical, and second the relationship of both of them to
the number of sendmail processes you expect.
---
Jef
Jef Poskanzer [EMAIL PROTECTED] http://www.acme.com/jef/
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