Re: cmp(1) has a bottleneck, but where?
Tom Evans <[email protected]>
| Newsgroups | gmane.os.freebsd.performance |
|---|---|
| Message-ID | <CAFHbX1LH1CW4a1XMkMpdDttbTSTnhDL65VW=UzyC6qFjKGnS2Q@mail.gmail.com> |
On Sun, Jan 15, 2012 at 11:32 PM, Dieter BSD <[email protected]> wrote: > I recently read somewhere that zfs needs 5 GB memory for each 1 TB of disk. > People that run zfs obviously don't care about using lots of memory. You read incorrectly. To run zfs with dedup needs ~ 5GB of RAM per TB, but this depends upon file size. However, the majority of ZFS users do not use dedup. My pool is 18 TB with 8 GB of RAM, of which ZFS can only access 4 GB. Cheers Tom _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "[email protected]"