Serious zfs slowdown when mixed with another file system (ufs/msdosfs/etc.).

[Emil Mikulic]

On Sun, Jul 11, 2010 at 02:45:46PM -0700, Jeremy Chadwick wrote:
> On Sun, Jul 11, 2010 at 02:12:13PM -0700, Richard Lee wrote:
> > vfs.zfs.zio.use_uma is already 0.  It looks to be the default, as I never
> > touched it.
> 
> Okay, just checking, because the default did change at one point

And changed back (to zero) in rev 209261:
http://article.gmane.org/gmane.os.freebsd.devel.cvs/395961