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From: Guillaume Smet <guillaume.smet@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Subject: *_cost recommendation with 8.3 and a fully cached db
Date: Wed, 23 Jan 2008 13:36:44 +0100
Message-ID: <1d4e0c10801230436o7165a7fap760b36a5ff9ef0e8@mail.gmail.com> (raw)

Hi Tom,

On May 9, 2007 6:40 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> To return to your original comment: if you're trying to model a
> situation with a fully cached database, I think it's sensible
> to set random_page_cost = seq_page_cost = 0.1 or so.

Is it still valid for 8.3 or is there any reason to change this
recommendation, considering the work you did on the planner during the
8.3 cycle?

Thanks.

--
Guillaume



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