Adriaan Joubert <a.joubert@albourne.com> writes:
> fdatasync() is available on Tru64 and according to the man-page behaves
> as Tom expects. So it should be a win for us.
Careful ... HPUX's man page also claims that fdatasync does something
useful, but it doesn't. I'd recommend an experiment. Does today's
snapshot run any faster for you (without -F) than before?
regards, tom lane