Re: Performance of ORDER BY

From: "Steinar H(dot) Gunderson" <sgunderson(at)bigfoot(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Performance of ORDER BY
Date: 2006-12-05 18:17:33
Message-ID: 20061205181733.GA10309@uio.no
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On Tue, Dec 05, 2006 at 01:02:06PM -0500, Tom Lane wrote:
> In 8.0 that might be counterproductively high --- we have seen cases
> where more sort_mem = slower with the older sorting code. I concur
> with Luke's advice that you should update to 8.2 (not 8.1) to get the
> improved sorting code.

By the way, is the new sorting code any better for platforms that already
have a decent qsort() (like Linux)?

/* Steinar */
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Homepage: http://www.sesse.net/

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