ufsstat - testers / feedback wanted!

[Brooks Davis]

On Thu, Oct 13, 2005 at 02:12:11PM +0200, Max Laier wrote:
> On Thursday 13 October 2005 13:36, Eric Anderson wrote:
> > I have not done any performance testing yet to see if it impacts
> > filesystem performance by any measurable amount, so if someone does do
> > this testing before I do, please post your results!
> 
> I don't think you can measure one single interger (or 64bit) increase in face 
> of a operation that has to access backing store.  Even if there is a 
> performance hit, you don't have to build your kernel with the option enabled.

The one thing I'd be worried about here is that 64bit updates are
expensive on 32bit machines if you want them to be atomic.  Relative to
backing store they probably still don't matter, but the might be
noticable.

-- Brooks

-- 
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20051013/efb7011d/attachment.bin