Re: Script to compute randon page cost

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au>
Cc: hs(at)cybertec(dot)at, "pgsql-hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Script to compute randon page cost
Date: 2002-09-09 15:46:50
Message-ID: 11069.1031586410@sss.pgh.pa.us
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"Christopher Kings-Lynne" <chriskl(at)familyhealth(dot)com(dot)au> writes:
> Assuming it's giving out correct information, there seems to be a lot of
> evidence for dropping the default random_page_cost to 1...

The fact that a lot of people are reporting numbers below 1 is
sufficient evidence that the script is broken. A value below 1
is physically impossible.

regards, tom lane

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