| From: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Mithun Cy <mithun(dot)cy(at)enterprisedb(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Incremental sort |
| Date: | 2017-10-03 15:26:52 |
| Message-ID: | CAPpHfdu3saDk8A1YHL48LfNVN8Uojvmf4m2h_J4cyB9vKxWaWw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Oct 3, 2017 at 2:52 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> On Mon, Oct 2, 2017 at 12:37 PM, Alexander Korotkov
> <a(dot)korotkov(at)postgrespro(dot)ru> wrote:
> > I've applied patch on top of c12d570f and rerun the same benchmarks.
> > CSV-file with results is attached. There is no dramatical changes.
> There
> > is still minority of performance regression cases while majority of cases
> > has improvement.
>
> Yes, I think these results look pretty good. But are these times in
> seconds? You might need to do some testing with bigger sorts.
Good point. I'll rerun benchmarks with larger dataset size.
------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
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