On Thu, 17 Jul 2008, Ben Rockwood wrote:

> zfs list is mighty slow on systems with a large number of objects, 
> but there is no foreseeable plan that I'm aware of to solve that 
> "problem".
>
> Never the less, you need to do a zfs list, therefore, do it once and 
> work from that.

If the snapshots were done from a script then their names are easily 
predictable and similar logic can be used to re-create the existing 
names.  This avoids the need to do a 'zfs list'.

Bob
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