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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: pgsql-admin@postgresql.org, "Silvio Brandani" <silvio.brandani@tech.sdb.it>
Subject: Re: out of memory error
Date: Thu, 05 Aug 2010 10:15:23 -0400
Message-ID: <931.1281017723@sss.pgh.pa.us> (raw)
In-Reply-To: <4C5A7E630200002500034238@gw.wicourts.gov>
References: <4C5AB62E.7020201@tech.sdb.it>
	<4C5A7E630200002500034238@gw.wicourts.gov>

"Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes:
> Silvio Brandani <silvio.brandani@tech.sdb.it> wrote:
>> a query on our production database give following errror:
>> 
>> 2010-08-05 10:52:40 CEST [12106]: [278-1] ERROR:  out of memory
>> 2010-08-05 10:52:40 CEST [12106]: [279-1] DETAIL:  Failed on
>> request of size 48.
 
> What query?  On what OS?  Is this a 32-bit or 64-bit build of
> PostgreSQL?  How long does it run before failing.  What does memory
> usage look like before and during the run?

Also, out-of-memory should result in a memory usage map getting dumped
to the postmaster log.  That would be useful to see too.

			regards, tom lane



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