On Mon, Oct 03, 2011 at 01:59:59PM -0400, Alex B. wrote: > > > On 2011-10-03, at 6:08 AM, Simon Loewenthal <si...@klunky.co.uk> wrote: > > > Hi there, > > > > I have to set-up a few low power SA boxes. Currently I'm used to > > using Intel Xeon 2.6Ghz with 16Gb of memory, but these proposed boxes > > are small. I won't buy one unless I know it can do the job. I know the > > figures below are tiny, but I don't know the Intel Atoms and what they > > can really do. > > > > # of active Email addresses (excluding Email aliases) : 80 > > # of messages (including rejected) appox 3,500 daily > > running : Debian/ SA 3.3.1 and spamass-milter (with MTA postfix, > > clamav-milter). > > > > > > hardware: > > http://soekris.eu/shop/net6501_en/ > > 1.6 Ghz Intel Atom E660 (1 core, 2 threads) > > 1024Mb RAM > > Transcend mSATA SSD 32Gb MLC > > > > Cheers for any commentary. > > > > Best regards, Simon. > > > I would also recommend turning off as many network checks as possible in > SA due to redundant and blocking I/O taking up the majority of SA's > processing times.
What the FUD? All default SA rules and functions use async DNS lookups. Processing time might be little longer yes, but CPU usage averages the same. You can run more scans in parallel. Of course there are some custom plugins out there that don't still use async lookups.
