From: Heikki Linnakangas <heikki@enterprisedb.com>
To: Drew Wilson <drewmwilson@gmail.com>
Cc: Alvaro Herrera <alvherre@commandprompt.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Many to many join seems slow?
Date: Tue, 15 May 2007 15:17:23 +0100
Message-ID: <4649C0F3.2070300@enterprisedb.com> (raw)
In-Reply-To: <2FD25590-AAE3-47AE-9E75-42D1361C38E2@gmail.com>
References: <49735678-25F5-48AA-B464-0864BAE56B55@gmail.com>
<20070515140505.GF6298@alvh.no-ip.org>
<2FD25590-AAE3-47AE-9E75-42D1361C38E2@gmail.com>
Drew Wilson wrote:
> Merge Join (cost=524224.49..732216.29 rows=92447 width=97) (actual
> time=1088.871..1351.840 rows=170759 loops=1)
> ...
> Total runtime: 1366.757 ms
It looks like the query actual runs in less than 3 seconds, but it takes
some time to fetch 170759 rows to the client.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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To: pgsql-performance@postgresql.org
Cc: heikki@enterprisedb.com, drewmwilson@gmail.com, alvherre@commandprompt.com
Subject: Re: Many to many join seems slow?
In-Reply-To: <4649C0F3.2070300@enterprisedb.com>
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