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From: Richard Huxton <dev@archonet.com>
To: Jeremy Haile <jhaile@fastmail.fm>
Cc: pgsql-performance@postgresql.org
Subject: Re: Config parameters
Date: Tue, 02 Jan 2007 16:34:19 +0000
Message-ID: <459A898B.9020509@archonet.com> (raw)
In-Reply-To: <1167754933.1316.282766279@webmail.messagingengine.com>
References: <1167754933.1316.282766279@webmail.messagingengine.com>

Jeremy Haile wrote:
> I'm curious what parameters you guys typically *always* adjust on new
> PostgreSQL installs.  

> The parameters that I almost always change when installing a new system
> is shared_buffers, max_fsm_pages, checkpoint_segments, and
> effective_cache_size.

Always: work_mem, maintenance_work_mem
Also consider temp_buffers and random_page_cost.

A lot will depend on how much of the data you handle ends up cached.

-- 
   Richard Huxton
   Archonet Ltd



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