Re: Disabling Heap-Only Tuples

On Wed, 13 Mar 2024 at 14:27, Laurenz Albe <laurenz.albe@cybertec.at> wrote:
>
> On Thu, 2023-09-21 at 16:18 -0700, Andres Freund wrote:
> > I think a minimal working approach could be to have the configuration be based
> > on the relation size vs space known to the FSM. If the target block of an
> > update is higher than ((relation_size - fsm_free_space) *
> > new_reloption_or_guc), try finding the target block via the FSM, even if
> > there's space on the page.
>
> That sounds like a good way forward.
>
> The patch is in state "needs review", but it got review.  I'll change it to
> "waiting for author".

Then I'll withdraw this patch as I don't currently have (nor expect to
have anytime soon) the bandwitdh or expertise to rewrite this patch to
include a system that calculates the free space available in a
relation.

I've added a TODO item in the UPDATE section with a backlink to this
thread so the discussion isn't lost.

-Matthias