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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Mikko Partio <mpartio@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Slow indexscan
Date: Wed, 20 Jun 2007 12:01:16 -0400
Message-ID: <18952.1182355276@sss.pgh.pa.us> (raw)
In-Reply-To: <2ca799770706200855w1a6b6a7cy8526b9be0ef9c97c@mail.gmail.com>
References: <2ca799770706200702y1074f066s61279b67f93315d0@mail.gmail.com>
	<17907.1182352197@sss.pgh.pa.us>
	<2ca799770706200855w1a6b6a7cy8526b9be0ef9c97c@mail.gmail.com>

"Mikko Partio" <mpartio@gmail.com> writes:
> Adding a new index does not speed up the query (although the planner decides
> to use the index):

Hm.  Lots of dead rows maybe?  What's your vacuuming policy?

			regards, tom lane

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