Re: [GENERAL] how to get accurate values in pg_statistic

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Greg Stark <gsstark(at)mit(dot)edu>
Cc: Mary Edie Meredith <maryedie(at)osdl(dot)org>, pgsql-performance <pgsql-performance(at)postgresql(dot)org>, osdldbt-general <osdldbt-general(at)lists(dot)sourceforge(dot)net>
Subject: Re: [GENERAL] how to get accurate values in pg_statistic
Date: 2003-09-08 00:32:26
Message-ID: 15707.1062981146@sss.pgh.pa.us
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Greg Stark <gsstark(at)mit(dot)edu> writes:
> Perhaps the default of 10 is simply way
> too small and should be raised?

I've suspected since the default existed that it might be too small ;-).
No one's yet done any experiments to try to establish a better default,
though. I suppose the first hurdle is to find a representative dataset.

regards, tom lane

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