From owner-freebsd-performance@FreeBSD.ORG  Wed Dec 19 19:42:34 2007
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Date: Wed, 19 Dec 2007 14:42:33 -0500
To: "Alexandre Biancalana" <biancalana@gmail.com>,
	freebsd-performance@freebsd.org
From: Mike Tancsa <mike@sentex.net>
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Cc: 
Subject: Re: Bad performance when accessing a lot of small files
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At 02:09 PM 12/19/2007, Alexandre Biancalana wrote:

>The behavior that I'm observing and that want your help is when the
>system is accessing some directory with many small files ( directories
>with ~ 1 million of ~30kb files), the performance is very poor.

Hi,
         Have you adjusted the dirhash value ? What does

  sysctl -a vfs.ufs | grep dirhash

show on your box ?  Also, do you have a lot of UIDs in your passwd file ?

         ---Mike