I did not realize how much WAL improved performance when using fsync.
> > "Schmidt, Peter" <peter.schmidt@prismedia.com> writes:
> > > So, is it OK to use commit_delay=0?
> >
> > Certainly. In fact, I think that's about to become the default ;-)
>
> I agree with Tom. I did some benchmarking tests using pgbench for a
> computer magazine in Japan. I got a almost equal or better result for
> 7.1 than 7.0.3 if commit_delay=0. See included png file.
> --
> Tatsuo Ishii
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