Date: Sat, 12 Jan 2008 14:31:47 +1100 From: Peter Jeremy <peterjeremy@optushome.com.au> To: Kris Kennaway <kris@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: Swapping caused by very large (regular) file size Message-ID: <20080112033147.GX60060@server.vk2pj.dyndns.org> In-Reply-To: <4787AAF4.1020905@FreeBSD.org> References: <20071203054207.GA1153@aleph.niw.com.au> <4787AAF4.1020905@FreeBSD.org>
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On Fri, Jan 11, 2008 at 06:44:20PM +0100, Kris Kennaway wrote:
>Ian West wrote:
>> dd if=3D/dev/zero bs=3D32768 of=3Djunkfile count=3D100000 seems to do it=
quite
>> reliably on all the boxes I have tested ?
>
>I am unable to reproduce this on 7.0.
I can't reproduce it on 6.3-PRERELEASE/amd64 with 1GB RAM.
vmstat -s;dd if=3D/dev/zero bs=3D32768 of=3Djunkfile count=3D100000;vmstat =
-s
shows the following changes:
2 swap pager pageins
2 swap pager pages paged in
4 swap pager pageouts
5 swap pager pages paged out
24 vnode pager pageins
78 vnode pager pages paged in
0 vnode pager pageouts
0 vnode pager pages paged out
--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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