Re: plan with result cache is very slow when work_mem is not enough

ne 9. 5. 2021 v 3:01 odesílatel David Rowley <dgrowleyml(at)gmail(dot)com> napsal:

> On Sun, 9 May 2021 at 03:29, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
> wrote:
> > Personally, I have not problem with too slow assertions, although it is
> not too practical. The main problem is some shock, and feeling so some is
> wrong. I spent 1 hour detecting if it is a bug or not.
>
> Thanks for spending the time figuring out where the slowness came from.
>
> > Can it be possible to identify this situation?
> >
> > Maybe use some specific name of this routine - like
> >
> > assert_only_check_xxxx
> >
> > Then I can see this warning in perf, and I don't need to do other or
> deeper checks
>
> I don't think we need to go around leaving clues for people who run
> perf on cassert builds. I think anyone doing that should just never
> expect any meaningful results.
>

ok

Pavel

>
> David
>