xfs: does mkfs.xfs require fancy switches to get decent performance? (was Tux3 Report: How fast can we fsync?)

[Mike Galbraith]

On Thu, 2015-04-30 at 04:14 -0700, Daniel Phillips wrote:

> Lovely sounding argument, but it is wrong because Tux3 still beats XFS
> even with seek time factored out of the equation.

Hm.  Do you have big-storage comparison numbers to back that?  I'm no
storage guy (waiting for holographic crystal arrays to obsolete all this
crap;), but Dave's big-storage guy words made sense to me.

	-Mike