On Mon, May 10, 2021 at 01:44:12PM +0200, Matthias van de Meent wrote: > On Mon, 10 May 2021 at 08:03, Bruce Momjian <br...@momjian.us> wrote: > > > > I have committed the first draft of the PG 14 release notes. You can > > see the most current build of them here: > > https://momjian.us/pgsql_docs/release-14.html > > > > I need clarification on many items, and the document still needs its > > items properly ordered, and markup added. I also expect a lot of > > feedback. > > 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. > > Together they should be able to help significantly in both bloat > prevention and bloat reduction.
I looked at those items. I try to mention performance items that enable new workloads or require some user action to benefit from it. I am not sure these two qualify, but can others comments? Thanks. -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.
