Re: Large Database Performance suggestions

From: Gavin Sherry <swm(at)alcove(dot)com(dot)au>
To: Joshua Marsh <icub3d(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Large Database Performance suggestions
Date: 2004-10-22 03:29:57
Message-ID: Pine.LNX.4.58.0410221326570.31567@linuxworld.com.au
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On Thu, 21 Oct 2004, Joshua Marsh wrote:

> Recently, we have found customers who are wanting to use our service
> with data files between 100 million and 300 million records. At that
> size, each of the three major tables will hold between 150 million and
> 700 million records. At this size, I can't expect it to run queries
> in 10-15 seconds (what we can do with 10 million records), but would
> prefer to keep them all under a minute.

To provide any useful information, we'd need to look at your table schemas
and sample queries.

The values for sort_mem and shared_buffers will also be useful.

Are you VACUUMing and ANALYZEing? (or is the data read only?))

gavin

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