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Date: Thu, 14 Jun 2012 13:37:09 +0300
From: Volodymyr Kostyrko <c.kworr@gmail.com>
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To: Alexandr Kovalenko <alexandr.kovalenko@gmail.com>
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Cc: freebsd-fs@freebsd.org
Subject: Re: zfs list -t snapshot slow
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Alexandr Kovalenko wrote:
> Hello!
>
> I've noticed it takes pretty unreasonable amount of time to list snapshots:
>
> # time (zfs list -t snapshot 2>&1>  /dev/null)
>
> real    0m4.919s
> user    0m0.146s
> sys     0m0.716s
>
> # zfs list -t snapshot | wc -l
>      1838
>
> kdump -f ktrace.out attached.

Attachment automagically stripped.

> Could anyone please advise what could cause this problem?

What version are you running? There was move about that after 9.0 
Release, patches should be in 8.3 and 9-STABLE.

-- 
Sphinx of black quartz judge my vow.