My hardware seems to be good enough. It's Sun Fire x4100 M2 server
with 2 x Dual-Core AMD Opteron 2220 SE CPUs and 8GB RAM on the board
and it's bored with its job ;) I think I rather need faster disks.
With that amount memory you won't see much disk activity. You can happily
increase mysql buffer cache sizes to a GB or two. It's all basic mysql
tuning.
You said you have several servers running spamd - if updates are causing
you much trouble then you could disable bayes_autolearn on most of the
servers, so that only some of them (down to 1) would update your bayes
DB, while the others would just query it.
--
Pawel Sasin
WIRTUALNA POLSKA SA, ul. Traugutta 115c, 80-226 Gdansk; NIP: 957-07-51-216;
Sad Rejonowy Gdansk-Polnoc KRS 0000068548, kapital zakladowy 62.880.024 zlotych (w calosci wplacony)