> From: Roy Sigurd Karlsbakk [mailto:r...@karlsbakk.net] > > > For now, the rule of thumb is 3G ram for every 1TB of unique data, > > including > > snapshots and vdev's. > > 3 gigs? Last I checked it was a little more than 1GB, perhaps 2 if you > have small files.
http://opensolaris.org/jive/thread.jspa?threadID=131761 The true answer is "it varies" depending on things like block size, etc, so if you want to say 1G or 3G, despite sounding like a big difference, it's in the noise. We're only talking "rule of thumb" here, based on vague (vague) and widely variable estimates of your personal usage characteristics. It's just a rule of thumb, and slightly over 1G ~= slightly under 3G in this context. Hence, the comment: > After a system is running, I don't know how/if you can measure current > mem usage, to gauge the results of your own predictions. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
