Re: Using quicksort and a merge step to significantly improve on tuplesort's single run "external sort"

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Jeremy Harris <jgh(at)wizmail(dot)org>
Subject: Re: Using quicksort and a merge step to significantly improve on tuplesort's single run "external sort"
Date: 2015-07-30 23:04:13
Message-ID: CAM3SWZSScbABZP_VsXH-b95GYh2bDnC-bEr-ntBzqMJQmeGF9A@mail.gmail.com
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On Thu, Jul 30, 2015 at 11:32 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> Very interesting. And great performance numbers. Thanks for taking
> the time to investigate this - really cool.

Thanks.

--
Peter Geoghegan

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