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Re: Using quicksort for every external sort run - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Using quicksort for every external sort run
Date
Msg-id CANP8+j+0KfpiteUArHozOth4w9bRGWYKKawVoTz9Q+tHfObmUg@mail.gmail.com
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In response to Using quicksort for every external sort run  (Peter Geoghegan <pg@heroku.com>)
Responses Re: Using quicksort for every external sort run  (Peter Geoghegan <pg@heroku.com>)
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On 20 August 2015 at 03:24, Peter Geoghegan <pg@heroku.com> wrote:

The patch is ~3.25x faster than master

I've tried to read this post twice and both times my work_mem overflowed. ;-)

Can you summarize what this patch does? I understand clearly what it doesn't do...

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Simon Riggs                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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