Eduardo Reitz wrote:
Hello All,
I have ClamAV+Spamassassin+Postfix in a Debian.
The problem is that I have a lot of clamscan process and they consume to
much cpu and memory of the machine (I have 900M in RAM and 2CPU of 2G).
I want to tunning the clamAV in the file /etc/clamav/clamd.conf. I don’t
have any reference of this issue. Could you help me please?
I'm no expert, but the last thing in the world I'd use for scanning
email is clamscan. Each time it's called it has to load all the pattern
files then scan what ever file/directory you've told it to scan. If you
get 20,000 messages/hour that's a lot of startup costs.
Using clamdscan is more efficient because it uses a running instance of
clamd and so already has loaded all the patterns. Even more efficient is
to extract any suspicious attachment to a temp file area and call clamd
directly via Unix socket or tcp/ip socket, and tell it where to find the
file(s) to scan. I don't know if this is possible in Postfix or not as I
gave up on it some weeks ago, but certainly in the Sendmail world this
is trivial.
dp
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