From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
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To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
Cc: | David Rowley <dgrowleyml(at)gmail(dot)com>, Jakub Wartak <Jakub(dot)Wartak(at)tomtom(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Optimising compactify_tuples() |
Date: | 2020-09-16 02:09:43 |
Message-ID: | CAH2-WzkLyoWNFqqfJWJzOY4toU6ba+oas399zXuc3VaTQhfoAA@mail.gmail.com |
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Lists: | pgsql-hackers |
On Tue, Sep 15, 2020 at 7:01 PM Thomas Munro <thomas(dot)munro(at)gmail(dot)com> wrote:
> On Wed, Sep 16, 2020 at 1:30 PM David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
> > 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.
Yes, that's terrific.
--
Peter Geoghegan
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