And the "rule of thumb" for dedupe was approx 1 GB of ARC per unique TB of data in the pool (above and beyond your normal ARC requirements). Not 1 GB of RAM per TB of disk in the pool.
Very big difference between the two. :) On 2013-05-09 7:14 PM, "Adam Vande More" <amvandem...@gmail.com> wrote: > On Thu, May 9, 2013 at 9:06 PM, Jeremy Chadwick <j...@koitsu.org> wrote: > > > The advice of "1GB of RAM per 1TB of disk space" is absolute nonsense on > > numerous levels -- whoever gave this advice to Shane either has no > > understanding of how filesystems/ZFS works, or does but chose to > > simplify to the point where they're providing half-ass information. > > IIRC, that used to be the guideline for memory requirements for dedup. > > > > -- > Adam Vande More > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org" > _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
