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From: Michael Stone <mstone+postgres@mathom.us>
To: Hannu Krosing <hannu@skype.net>
Cc: pgsql-hackers@postgresql.org
Cc: pgsql-performance@postgresql.org
Subject: Re: [HACKERS] A Better External Sort?
Date: Wed, 05 Oct 2005 05:43:15 -0400
Message-ID: <20051005094315.GX2241@mathom.us> (raw)
In-Reply-To: <1128375790.5882.18.camel@fuji.krosing.net>
References: <31833713.1128111650174.JavaMail.root@elwamui-polski.atl.sa.earthlink.net>
	<200510031334.02030.josh@agliodbs.com>
	<1128372151.28509.1.camel@toonses.gghcwest.com>
	<200510031416.15620.josh@agliodbs.com>
	<1128375790.5882.18.camel@fuji.krosing.net>

On Tue, Oct 04, 2005 at 12:43:10AM +0300, Hannu Krosing wrote:
>Just FYI, I run a count(*) on a 15.6GB table on a lightly loaded db and
>it run in 163 sec. (Dual opteron 2.6GHz, 6GB RAM, 6 x 74GB 15k  disks in
>RAID10, reiserfs). A little less than 100MB sec.

And none of that 15G table is in the 6G RAM?

Mike Stone



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