Has anyone written up some strategies on these topics, or in the position to provide any recommendation?
Zimbra already does all of these things using writemap. You could look at what we've done in relation to this. But I agree with Howard, there's generally little advantage to downsizing the writemap.
--Quanah -- Quanah Gibson-Mount Server Architect Zimbra, Inc. -------------------- Zimbra :: the leader in open source messaging and collaboration