Re: Massive performance issues

From: "Joel Fradkin" <jfradkin(at)wazagua(dot)com>
To: "'Merlin Moncure'" <merlin(dot)moncure(at)rcsonline(dot)com>, "'Matthew Sackman'" <matthew(at)lshift(dot)net>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Massive performance issues
Date: 2005-09-01 18:42:51
Message-ID: 003901c5af24$f5cd8ee0$797ba8c0@jfradkin
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Any chance it's a vacuum thing?
Or configuration (out of the box it needs adjusting)?

Joel Fradkin

-----Original Message-----
From: pgsql-performance-owner(at)postgresql(dot)org
[mailto:pgsql-performance-owner(at)postgresql(dot)org] On Behalf Of Merlin Moncure
Sent: Thursday, September 01, 2005 2:11 PM
To: Matthew Sackman
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: [PERFORM] Massive performance issues

> I'm having performance issues with a table consisting of 2,043,133
rows.
> The
> schema is:

> locality_1 has 16650 distinct values and locality_2 has 1156 distinct
> values.

Just so you know I have a 2GHz p4 workstation with similar size (2M
rows), several keys, and can find and fetch 2k rows based on 20k unique
value key in about 60 ms. (.06 seconds).

Merlin

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