Minimum hardware capacity for 35k e-mail scans/day

[Scott Silva]

on 11/20/2007 4:43 AM shuttlebox spake the following:
> On Nov 19, 2007 10:07 AM, Greg Matthews <gmatt at nerc.ac.uk> wrote:
>> Steve Freegard wrote:
>>> Julian Field wrote:
>>>> Only 1 process at a time can hold the BerkeleyDB open and write to it.
>>>> Lots of processes can hold the RDBMS open at once. It's all down to
>>>> file locking.
>>> See http://wiki.apache.org/spamassassin/BayesBenchmarkResults
>> wow. Interesting stuff. So why does SA not use sdbm by default?
> 
> I tested SDBM and it works just fine. My daily expire job went from
> over a minute to little over 10 seconds. Syncs are still completed so
> fast (0-1s) that I don't notice the difference. I wrote a wiki page on
> how to use SDBM based on Scott Silva's SQL guide.
> 
> http://wiki.mailscanner.info/doku.php?id=documentation:anti_spam:spamassassin:bayes:sdbm
> 
I can't take credit for that guide. I only was in there fixing up some old 
broken links. It was originally done by Dhawal Doshy, and nudged and poked by 
a few of us.

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