Re: Deleting older versions in unique indexes to avoid page splits

чт, 31 дек. 2020 г. в 03:55, Peter Geoghegan <pg(at)bowt(dot)ie>:

> Attached is v12, which fixed bitrot against the master branch. This
> version has significant comment and documentation revisions. It is
> functionally equivalent to v11, though.
>
> I intend to commit the patch in the next couple of weeks. While it
> certainly would be nice to get a more thorough review, I don't feel
> that it is strictly necessary. The patch provides very significant
> benefits with certain workloads that have traditionally been
> considered an Achilles' heel for Postgres. Even zheap doesn't provide
> a solution to these problems. The only thing that I can think of that
> might reasonably be considered in competition with this design is
> WARM, which hasn't been under active development since 2017 (I assume
> that it has been abandoned by those involved).
>

I am planning to look into this patch in the next few days.

--
Victor Yegorov