Re: maintenance_work_mem used by Vacuum

On Thu, Oct 17, 2019 at 3:10 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> Amit Kapila <amit.kapila16@gmail.com> writes:
> > Another idea could be each index AM tell whether it uses
> > maintainence_work_mem or not and based on that we can do the
> > computation (divide the maintainence_work_mem by the number of such
> > indexes during parallel vacuum).
>
> FWIW, that seems like a perfectly reasonable API addition to me.
>

Thanks,  Sawada-san, if you also think this API makes sense, then we
can try to write a patch and see how it turns out?