> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Erik Trimble
> 
> ZFS's problem is that it needs ALL the resouces for EACH pool ALL the
> time, and can't really share them well if it expects to keep performance
> from tanking... (no pun intended)

That's true, but on the flipside, if you don't have adequate resources
dedicated all the time, it means performance is unsustainable.  Anything
which is going to do post-write dedup will necessarily have degraded
performance on a periodic basis.  This is in *addition* to all your scrubs
and backups and so on.

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