From owner-freebsd-arch  Wed Dec 19 14: 3:13 2001
Delivered-To: freebsd-arch@freebsd.org
Received: from netau1.alcanet.com.au (ntp.alcanet.com.au [203.62.196.27])
	by hub.freebsd.org (Postfix) with ESMTP id BAFF537B41A
	for <freebsd-arch@FreeBSD.ORG>; Wed, 19 Dec 2001 14:03:09 -0800 (PST)
Received: from mfg1.cim.alcatel.com.au (mfg1.cim.alcatel.com.au [139.188.23.1])
	by netau1.alcanet.com.au (8.9.3 (PHNE_22672)/8.9.3) with ESMTP id JAA04429;
	Thu, 20 Dec 2001 09:03:07 +1100 (EDT)
Received: from gsmx07.alcatel.com.au by cim.alcatel.com.au
 (PMDF V5.2-32 #37640) with ESMTP id <01KC33DPERHCVMM24Y@cim.alcatel.com.au>;
 Thu, 20 Dec 2001 09:03:05 +1100
Received: (from jeremyp@localhost)	by gsmx07.alcatel.com.au (8.11.6/8.11.6)
 id fBJM33u58592; Thu, 20 Dec 2001 09:03:03 +1100
Content-return: prohibited
Date: Thu, 20 Dec 2001 09:03:03 +1100
From: Peter Jeremy <peter.jeremy@alcatel.com.au>
Subject: Re: Swap performance (was: Getting rid of /usr file system)
In-reply-to: <Pine.BSF.4.33.0112191348140.36795-100000@resnet.uoregon.edu>;
 from dwhite@resnet.uoregon.edu on Wed, Dec 19, 2001 at 01:48:42PM -0800
To: Doug White <dwhite@resnet.uoregon.edu>
Cc: "Justin T. Gibbs" <gibbs@scsiguy.com>, freebsd-arch@FreeBSD.ORG
Mail-Followup-To: Doug White <dwhite@resnet.uoregon.edu>,
	"Justin T. Gibbs" <gibbs@scsiguy.com>, freebsd-arch@FreeBSD.ORG
Message-id: <20011220090303.T73243@gsmx07.alcatel.com.au>
MIME-version: 1.0
Content-type: text/plain; charset=us-ascii
Content-disposition: inline
User-Agent: Mutt/1.2.5i
References: <20011220073554.Q73243@gsmx07.alcatel.com.au>
 <Pine.BSF.4.33.0112191348140.36795-100000@resnet.uoregon.edu>
Sender: owner-freebsd-arch@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-arch.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-arch>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-arch>
X-Loop: FreeBSD.ORG

On 2001-Dec-19 13:48:42 -0800, Doug White <dwhite@resnet.uoregon.edu> wrote:
>On Thu, 20 Dec 2001, Peter Jeremy wrote:
>
>> The above is somewhat simplified - it ignores sticky executables
>> (which transform filesystem I/O into swap I/O) and mmap(2) (which can
>> result in paging to, as well as from, the filesystem) - but I believe
>> it is generally representative.
>
>There is no such thing as a 'sticky executable' on FreeBSD. See sticky(8).
>:-)

I'm aware of that.  The sticky bit reference was for traditional
Unices - where the sticky bit on an executable meant that the text
segment stuck in swap after the process exited.

Peter

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message