Re: cost based vacuum (parallel)

On Mon, Nov 4, 2019 at 1:51 PM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
>
> On Mon, Nov 4, 2019 at 3:54 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
> >
> > I think approach-2 is better in throttling the system as it doesn't
> > have the drawback of the first approach, but it might be a bit tricky
> > to implement.
>
> I might be missing something but I think that there could be the
> drawback of the approach-1 even on approach-2 depending on index pages
> loaded on the shared buffer and the vacuum delay setting.
>

Can you be a bit more specific about this?

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com