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Date:      Thu, 20 Dec 2001 09:03:03 +1100
From:      Peter Jeremy <peter.jeremy@alcatel.com.au>
To:        Doug White <dwhite@resnet.uoregon.edu>
Cc:        "Justin T. Gibbs" <gibbs@scsiguy.com>, freebsd-arch@FreeBSD.ORG
Subject:   Re: Swap performance (was: Getting rid of /usr file system)
Message-ID:  <20011220090303.T73243@gsmx07.alcatel.com.au>
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
References:  <20011220073554.Q73243@gsmx07.alcatel.com.au> <Pine.BSF.4.33.0112191348140.36795-100000@resnet.uoregon.edu>

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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

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