Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > John Hansen wrote:
> >> On another note, how do you know for sure, that your drive does not lie
> >> about fsync?
>
> > I just tried and got 115tps with fsync off vs 100 with fsync on, so
> > fsync is certainly doing something.
>
> [ raised eyebrow... ] Something is wrong with that. I'd expect a
> *much* higher difference. It's difficult to credit a tps rate higher
> than your disk's RPM rating with fsync on, but most modern CPUs can do
> a lot better than that with fsync off. If you have a 7200 RPM drive
> then I'd believe the 100 figure, but not the other ...
I think it is a 10k RPM drive, Seagate Cheteetah ST336607LW.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square,
Pennsylvania19073
