| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | David Rowley <dgrowleyml(at)gmail(dot)com> |
| Cc: | Jakub Wartak <Jakub(dot)Wartak(at)tomtom(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Optimising compactify_tuples() |
| Date: | 2020-09-16 02:01:21 |
| Message-ID: | CA+hUKG+neBZG8HBT7cNEdQ5_A1v3G5E5GWtAWLoFsTNQPuycCw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Sep 16, 2020 at 1:30 PM David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
> Thanks a lot for the detailed benchmark results and profiles. That was
> useful. I've pushed both patches now. I did a bit of a sweep of the
> comments on the 0001 patch before pushing it.
>
> I also did some further performance tests of something other than
> recovery. I can also report a good performance improvement in VACUUM.
> Something around the ~25% reduction mark
Wonderful results. It must be rare for a such a localised patch to
have such a large effect on such common workloads.
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