From: Richard Huxton <dev@archonet.com>
To: Alex Hochberger <alex@dsgi.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: Configuring a Large RAM PostgreSQL Server
Date: Thu, 29 Nov 2007 19:15:15 +0000
Message-ID: <474F0FC3.4000109@archonet.com> (raw)
In-Reply-To: <C78952BC-8F12-486E-9BD3-368EFAF448AD@dsgi.us>
References: <C78952BC-8F12-486E-9BD3-368EFAF448AD@dsgi.us>
Alex Hochberger wrote:
> Does anyone have any white papers or basic guides for a large RAM server?
>
> We are consolidating two databases to enable better data-mining that
> currently run on a 4 GB and 2 GB machine. The data issues on the 4 GB
> machine are numerous, things like "create index" fail and update queries
> fail from out of memory issues.
> Problem Usage: we have a 20GB table with 120m rows that we are
> splitting into some sub-tables. Generally, we do large data pulls from
> here, 1 million - 4 million records at a time, stored in a new table for
> export. These queries are problematic because we are unable to index
> the database for the queries that we run because we get out of memory
> errors.
Would it not make sense to find out why you are getting these errors first?
It's not normal to get "out of memory" when rebuilding an index.
--
Richard Huxton
Archonet Ltd
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-performance@postgresql.org
Cc: dev@archonet.com, alex@dsgi.us
Subject: Re: Configuring a Large RAM PostgreSQL Server
In-Reply-To: <474F0FC3.4000109@archonet.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox