From: Tom Lane <tgl@sss.pgh.pa.us>
To: Vlad Arkhipov <arhipov@dc.baikal.ru>
Cc: pgsql-performance@postgresql.org
Subject: Re: Seqscan problem
Date: Tue, 06 May 2008 10:22:07 -0400
Message-ID: <13631.1210083727@sss.pgh.pa.us> (raw)
In-Reply-To: <48203D7B.2000809@dc.baikal.ru>
References: <48203D7B.2000809@dc.baikal.ru>
Vlad Arkhipov <arhipov@dc.baikal.ru> writes:
> I've just discovered a problem with quite simple query. It's really
> confusing me.
> Postgresql 8.3.1, random_page_cost=1.1. All tables were analyzed before
> query.
What have you got effective_cache_size set to?
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, arhipov@dc.baikal.ru
Subject: Re: Seqscan problem
In-Reply-To: <13631.1210083727@sss.pgh.pa.us>
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