4.6-RELEASE to 6.0-RELEASE...

Kris Kennaway kris at obsecurity.org
Fri Jan 13 12:44:59 PST 2006

On Wed, Jan 11, 2006 at 02:08:11PM -0500, fbsd_user wrote:
> There is a new and faster file system which is introduced in
> release-5.4.

Performance benefits weren't a goal of UFS2.  If your disk hardware is
fast enough (i.e. not crappy ATA hardware) you might see a small
performance boost, as I did in my tests.  The cause of this isn't
well-understood, i.e. it seems to be a side-effect of something else.
The cost is that UFS2 performs more disk I/O than UFS1, which means
that if your disk hardware is already saturated (see: aforementioned
crappy ATA hardware), it may actually be slower.

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