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Date:      Fri, 28 Sep 2001 23:38:00 +0200
From:      Alessandro de Manzano <ale@unixmania.net>
To:        Sean Chittenden <sean@chittenden.org>
Cc:        Kris Kennaway <kris@obsecurity.org>, stable@FreeBSD.org
Subject:   Re: dirpref gives massive performance boost
Message-ID:  <20010928233800.B29391@libero.sunshine.ale>
In-Reply-To: <20010928143016.H29974@rand.tgd.net>; from sean@chittenden.org on Fri, Sep 28, 2001 at 02:30:16PM -0700
References:  <20010928141246.A15515@xor.obsecurity.org> <20010928232009.A29187@libero.sunshine.ale> <20010928142611.A15946@xor.obsecurity.org> <20010928143016.H29974@rand.tgd.net>

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On Fri, Sep 28, 2001 at 02:30:16PM -0700, Sean Chittenden wrote:

> > Well, you need to wipe the disk so that when you restore it can lay
> > things out optimally from the start.
> 
> But turning on soft-updates should be sufficient to get these performance 
> boosts from this point on, correct?  -sc

AFAIK SU is not related to the physical layout of data on disk, this is
the work of UFS_DIRHASH.


-- 

bye!

Ale

ale@unixmania.net

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