On Wed, Aug 10, 2011 at 11:32 PM, Edward Ned Harvey
<opensolarisisdeadlongliveopensola...@nedharvey.com> wrote:
>> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
>> boun...@opensolaris.org] On Behalf Of Ian Collins
>>
>> > I am facing issue with zfs destroy, this takes almost 3 Hours to
>> delete the snapshot of size 150G.
>> >
>> Do you have dedup enabled?
>
> I have always found, zfs destroy takes some time. zpool destroy takes no
> time.
>
> Although zfs destroy takes some time, it's not terrible unless you have
> dedup enabled. If you have dedup enabled, then yes it's terrible, as Ian
> suggested.
I have found that the time to destroy a snapshot or dataset is
directly related to the number of objects and not the size. A dataset
or snapshot with millions of small files will take a very long time
(hours, but not usually days).
--
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Paul Kraus
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