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From: Scott Marlowe <smarlowe@g2switchworks.com>
To: martial.bizel@free.fr
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: out of memory
Date: Tue, 14 Feb 2006 10:21:37 -0600
Message-ID: <1139934097.22740.182.camel@state.g2switchworks.com> (raw)
In-Reply-To: <1139933720.43f20218cfe3a@imp6-g19.free.fr>
References: <1139930651.43f1f61b04773@imp2-g19.free.fr>
	<15115.1139931169@sss.pgh.pa.us>
	<1139933018.43f1ff5a5e542@imp6-g19.free.fr>
	<1139933201.22740.179.camel@state.g2switchworks.com>
	<1139933720.43f20218cfe3a@imp6-g19.free.fr>

On Tue, 2006-02-14 at 10:15, martial.bizel@free.fr wrote:
> Yes, I've launched ANALYZE command before sending request.
> I precise that's postgres version is 7.3.4

So what does explain analyze show for this query, if anything?  Can you
increase your sort_mem or shared_buffers (I forget which hash_agg uses
off the top of my head...) if necessary to make it work.  Note you can
increase sort_mem on the fly for a given connection.



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