Date: Wed, 2 Dec 2009 18:36:15 -0500 From: "Robert N. M. Watson" <rwatson@freebsd.org> To: Antony Mawer <lists@mawer.org> Cc: freebsd-current@freebsd.org, David Naylor <naylor.b.david@gmail.com> Subject: Re: FreeBSD 8.0 Performance (at Phoronix) Message-ID: <481CD35B-0CDF-4E84-AC55-8825FE07CC9D@freebsd.org> In-Reply-To: <ea2d4a5b0912020101t2651cacdocb05d41444b896e@mail.gmail.com> References: <200911301117.37950.naylor.b.david@gmail.com> <alpine.BSF.2.00.0912011320290.1155@fledge.watson.org> <ea2d4a5b0912020101t2651cacdocb05d41444b896e@mail.gmail.com>
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On 2 Dec 2009, at 04:01, Antony Mawer wrote: > On Wed, Dec 2, 2009 at 12:25 AM, Robert Watson <rwatson@freebsd.org> = wrote: > ... >>=20 >> For tests that depend on file system namespace operations, seeing a >> measurement comparing ZFS directly would be interesting; likewise, = perhaps >> using async file system mounts on FreeBSD without soft updates. = Jeff's >> forthcoming journaling changes would also be interesting to consider, = but >> I'm not sure to what extent he'll see performance improvements, or = whether >> it's just about the consistency improvements for his SU+J work. >=20 > Is there any information about what these journaling changes are or > what they involve? I would be interested to keep tabs on any ongoing > work being done on journalling for UFS... I'm not aware of detailed public descriptions yet, but with any luck = we'll hear more in the near future. I'm very much looking forward to = seeing it make it into -current, with the usual understanding that these = things take a while to shake out... Robert=
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