On Wed, May 1, 2019 at 11:43 AM Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> On Tue, Apr 30, 2019 at 7:52 PM Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> > but that seems correct.
> > Sounds better than keeping outdated entries indicating no-space-available.
>
> Agreed, but as mentioned in one of the above emails, I am also bit
> scared that it should not lead to many invalidation messages for small
> relations, so may be we should send the invalidation message only when
> the entire page is empty.
One way would be to send the inval if the new free space is greater
than some percentage of BLCKSZ.
--
John Naylor https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services