On Dec 13, 2013, at 6:12 AM, 黄海涛 <hht...@126.com> wrote:
> when virus database(main.cvd & daily.cvd) is loader which  consumers 206M 
> memory,
> is there any way to reduce memory, such as by using simplified version of 
> virus database (Does small virus database exist?)
> or by filtering some lowerly-graded  sig,or by editing clamav.conf ?

Fixed-pattern matching is fast and requires minimal resources via Boyer-Moore 
and such, but there isn't a quick-and-easy way to do more complicated regex 
pattern matching without compiling the patterns into a DFA or similar, which 
does require a fair amount of memory.

However, you can run clamd and have it listen on a network socket so that you 
can run clamdscan from systems with low memory and have the scanning happen on 
a machine with more resources.

Regards,
-- 
-Chuck

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