From owner-freebsd-stable@FreeBSD.ORG  Fri Aug  5 15:46:01 2011
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From: naddy@mips.inka.de (Christian Weisgerber)
Date: Fri, 5 Aug 2011 15:12:29 +0000 (UTC)
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Originator: naddy@mips.inka.de (Christian Weisgerber)
To: freebsd-stable@freebsd.org
Subject: Re: ZFS directory with a large number of files
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Daniel Kalchev <daniel@digsys.bg> wrote:

> On 02.08.11 12:46, Daniel O'Connor wrote:
> > I am pretty sure UFS does not have this problem. i.e. once you 
> > delete/move the files out of the directory its performance would be 
> > good again. 
> 
> UFS would be the classic example of poor performance if you do this.

"Classic" indeed.  UFS dirhash has pretty much taken care of this
a decade ago.

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de