From: Steinar H. Gunderson <sgunderson@bigfoot.com>
To: pgsql-performance@postgresql.org
Subject: Re: Performance of ORDER BY
Date: Tue, 5 Dec 2006 19:17:33 +0100
Message-ID: <20061205181733.GA10309@uio.no> (raw)
In-Reply-To: <7090.1165341726@sss.pgh.pa.us>
References: <4575A863.6040504@varianinc.com>
<7090.1165341726@sss.pgh.pa.us>
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 */
--
Homepage: http://www.sesse.net/
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To: pgsql-performance@postgresql.org
Cc: sgunderson@bigfoot.com
Subject: Re: Performance of ORDER BY
In-Reply-To: <20061205181733.GA10309@uio.no>
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