SpamAssassin, One Baye for a lot of SpamAssassin server

[Stephane MAGAND]

Hello,

In a previous post, i have request a information, can i use one
central bayes database
for a lot of SpamAssassin Server.

I have received a answer: Yes

But what is the process ?

for > one spamassassin, we use obligatory a MySQL Server ?
If yes, the performence are not decreased ?

Thanks for your help
Stephane