svn commit: r254380 - in head/sys: kern sys

Ivan Voras ivoras at freebsd.org
Thu Aug 15 21:35:31 UTC 2013


On 15 August 2013 22:32, Colin Percival <cperciva at freebsd.org> wrote:

> No, I wasn't aware that it existed.  Given that this change applies only to
> parallel operations *on the same vnode* and blogbench seems to have traffic
> randomly spread between many files, I doubt there would be any difference.

Maybe it could help a bit on the directories?

Whatever the problem may be (does FreeBSD still have single-writer +
multiple readers lock for processes accessing the same vnode?), there
is a huge difference in performance with blogbench between FreeBSD and
Linux.


More information about the svn-src-head mailing list