Re: Script to compute random page cost

From: "Mario Weilguni" <mario(dot)weilguni(at)icomedias(dot)com>
To: "Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Script to compute random page cost
Date: 2002-09-09 11:50:59
Message-ID: 4D618F6493CE064A844A5D496733D66703904B@freedom.icomedias.com
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> What do other people get for this value?
>
> Keep in mind if we increase this value, we will get a more sequential
> scans vs. index scans.

With the new script I get 0.929825 on 2 IBM DTLA 5400RPM (80GB) with a 3Ware
6400 Controller (RAID-1)

Best regards,
Mario Weilguni

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