Re: COMMIT NOWAIT Performance Option

On Tue, Feb 27, 2007 at 07:17:37PM -0500, Bruce Momjian wrote:
> > Actually, I don't know that combining both settings is a wise move. The
> > delay should still provide crash protection, whereas with fsync=off
> > you've got absolutely no protection from anything. That's a huge
> > difference, and one that IMHO warrants a separate setting (and a big,
> > fat WARNING in the comment for that setting).
>
> Yes, it needs a warning, or perhaps we just tell people to set it to
> something high and that is all they can do.

Before doing that I'd want to see how the performance compares to
fsync=off. My guess is that fsync=off is a big gain during checkpoints.
--
Jim Nasby jim(at)nasby(dot)net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)