yeah, i read somewhere that zfs DOES have separate tuning for metadata and data cache, but i need to read up on that more.
as for heavy block duplication: daily backups of the whole system = alot of dupe. /kc On Thu, Jul 16, 2015 at 05:42:32PM +0000, Andrew Gideon said: >On Mon, 13 Jul 2015 17:38:35 -0400, Selva Nair wrote: > >> As with any dedup solution, performance does take a hit and its often >> not worth it unless you have a lot of duplication in the data. > >This is so only in some volumes in our case, but it appears that zfs >permits this to be enabled/disabled on a per-volume basis. That would >work for us. > >Is there a way to save cycles by offering zfs a hint as to where a >previous copy of a file's blocks may be found? > > - Andrew > >-- >Please use reply-all for most replies to avoid omitting the mailing list. >To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync >Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html -- Ken Chase - k...@heavycomputing.ca skype:kenchase23 +1 416 897 6284 Toronto Canada Heavy Computing - Clued bandwidth, colocation and managed linux VPS @151 Front St. W. -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html