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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 (view raw or flat)
Thread:
Lists: pgsql-performance
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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