Re: Unsupported effective_io_concurrency platforms

Bruce Momjian wrote:
> Tom Lane wrote:
> > Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> > > Joshua D. Drake wrote:
> > > Do we want to give a more informative error message, like "not supported
> > > on this platform?"
> >
> > > The trick will be to fit this into the GUC framework.
> >
> > You could do it by enforcing the limit in an assign hook, but I'm
> > not convinced it's worth the trouble.
>
> I have created a patch to at least display a more helpful message,
> without being specific:
>
> test=> set effective_io_concurrency = 1;
> ERROR: parameter "effective_io_concurrency" cannot be changed from 0

I fixed this an easier way, by making the parameter PGC_INTERNAL on
systems that don't have posix_fadvise().

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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