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From: Alvaro Herrera <alvherre@commandprompt.com>
To: jgardner@jonathangardner.net <jgardner@jonathangardner.net>
Cc: pgsql-performance <pgsql-performance@postgresql.org>
Subject: Re: PostgreSQL as a local in-memory cache
Date: Wed, 16 Jun 2010 13:37:06 -0400
Message-ID: <1276709804-sup-438@alvh.no-ip.org> (raw)
In-Reply-To: <4634b12c-749f-4605-9d95-121b8e2bd9e4@k17g2000pro.googlegroups.com>
References: <cb0fb58c-9134-4314-a1d0-08fc39f911a6@40g2000pry.googlegroups.com>
	<87bpbcpabg.fsf@cbbrowne-laptop.afilias-int.info>
	<4C17A417.2040600@noao.edu>
	<87ocfcnqmk.fsf@cbbrowne-laptop.afilias-int.info>
	<4C180A3B.7090905@agliodbs.com>
	<4634b12c-749f-4605-9d95-121b8e2bd9e4@k17g2000pro.googlegroups.com>

Excerpts from jgardner@jonathangardner.net's message of mié jun 16 02:30:30 -0400 2010:

> NOTE: If I do one giant commit instead of lots of littler ones, I get
> much better speeds for the slower cases, but I never exceed 5,500
> which appears to be some kind of wall I can't break through.
> 
> If there's anything else I should tinker with, I'm all ears.

increase wal_buffers?

-- 
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support



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