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

Steve Freegard steve.freegard at fsl.com
Fri Nov 16 17:19:40 GMT 2007


Julian Field wrote:
> Greg Matthews wrote:

>> UxBoD wrote:
>>> also what type of filesystem is the Bayes on, if it is in a file, is
>>> journaling switched on etc etc ... to be honest since switching it
>>> into MySQL I have been very pleased with the performance.

>> I find it amazing that mysql is faster than BerkeleyDB can anyone 
>> explain this? BerkeleyDB should knock the spots of a full featured 
>> RDBMS shouldnt it?

> 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

Cheers,
Steve.


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