On 22.1.2010, at 23.39, Frank Cusack wrote: > On January 22, 2010 11:21:09 PM +0200 Timo Sirainen <t...@iki.fi> wrote: >>> Or will there be a global index? >> >> Yes. That's what dbox SIS is about. You have a global repository of >> (large) MIME parts, indexed by their SHA1 sum (or something). > > In the case of zfs then, the filesystem may as well do the dedup'ing.
Or "dbox may as well do the deduping"? :) I guess it comes down to whose algorithm is fastest. I suppose they're more or less the same, if it's possible to tell zfs to dedup files only in /mail/attachments/ directory (I guess you can create a separate filesystem for that).