Justin Pryzby <pryzby@telsasoft.com> writes:
> On Sun, Apr 30, 2023 at 06:35:30PM +1200, Thomas Munro wrote:
>> What about a
>> warning message about that at startup if it's on?
> Such a warning wouldn't be particularly likely to be seen by someone who
> already didn't read/understand the docs for the not-feature that they
> turned on.
Yeah, I doubt that that would be helpful at all.
> Since this is -currently- a developer-only feature, it seems reasonable
> to rename the GUC to debug_direct_io, and (at such time as it's
> considered to be helpful to users) later rename it to direct_io.
+1
regards, tom lane