Re: per table random-page-cost?

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: <pgsql(at)j-davis(dot)com>,<gsstark(at)mit(dot)edu>
Cc: <marcin(dot)mank(at)gmail(dot)com>,<robertmhaas(at)gmail(dot)com>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: per table random-page-cost?
Date: 2009-10-20 02:22:02
Message-ID: 4ADCD87A020000250002BB56@gw.wicourts.gov
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Jeff Davis <pgsql(at)j-davis(dot)com> wrote:

> what kind of scenario
> would involve a stable 90% cache hit ratio for a table?

I'd bet accounts receivable applications often hit that.
(Most payments on recent billings; a sprinkling on older ones.)
I'm sure there are others.

-Kevin

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