| From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
|---|---|
| To: | Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PG 14 release notes, first draft |
| Date: | 2021-05-10 14:54:24 |
| Message-ID: | CAH2-Wz=-A=jRxpB2Owj3KQadCue7+NLqj56Q566ees7TapMRvA@mail.gmail.com |
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On Mon, May 10, 2021 at 4:44 AM Matthias van de Meent
<boekewurm+postgres(at)gmail(dot)com> wrote:
> I noticed that the improvement in bloat control in the HeapAM that I
> know of (3c3b8a4b, 0ff8bbde) weren't documented here. Although each
> can be considered minor, they together can decrease the bloating
> behaviour of certain workloads significantly (and limit the total
> damage), and in my opinion this should be mentioned.
>
> 3c3b8a4b: Returns space claimed for the line pointer array back to the
> page's empty space, so that it can also be used for tuple data.
>
> 0ff8bbde: Allows large tuples to be inserted on pages which have only
> a small amount of data, regardless of fillfactor.
+1 on mentioning both things.
--
Peter Geoghegan
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