From: Detlef Rudolph <runic@gmx.de>
To: pgsql-performance@postgresql.org
Subject: Re: select count(*) performance
Date: Sat, 11 Aug 2007 17:54:41 +0200
Message-ID: <5i64cvF3mnmcsU1@mid.individual.net> (raw)
In-Reply-To: <1186578085.034463.116030@q75g2000hsh.googlegroups.com>
References: <1186578085.034463.116030@q75g2000hsh.googlegroups.com>
Hello Group,
I've tried the VACUUM ANALYSE, that doesn't help
much, but VACUUM FULL improves Performance down
from about 40 secs to 8. I think in future I would
use the reltuples value from pg_class for the table.
Thanks a lot for your answers and a good Sunday,
Det
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To: pgsql-performance@postgresql.org
Cc: runic@gmx.de
Subject: Re: select count(*) performance
In-Reply-To: <5i64cvF3mnmcsU1@mid.individual.net>
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