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 +, 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
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