[Samba] performance regression between 30.14a and 3.0.20

[James Peach]

On 4/27/06, Greg Dickie <greg at max-t.com> wrote:
> OK all my gobbledy-gook stats aside..... sorry for being incoherent.
>
> Stracing reveals that files after 3.0.20b are opened with O_SYNC. Could
> that be the source of the problems? I'll try and find that and test it
> when I get home but the question is is it necessary?

O_SYNC is not a good option to use if you want good write performance
on XFS.  It's what you use to when you really want your data safe and
don't care about throughput.

--
James Peach | jorgar at gmail.com