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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Chander Ganesan <chander.ganesan@gmail.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Out of memory errors on pg_dump
Date: Wed, 13 Jun 2012 13:17:59 -0400
Message-ID: <13098.1339607879@sss.pgh.pa.us> (raw)
In-Reply-To: <4FD8C2D4.8080108@gmail.com>
References: <4FD8C2D4.8080108@gmail.com>

Chander Ganesan <chander.ganesan@gmail.com> writes:
> I get this whenever I try to do a pg_dump.  Curiously, if I *decrease* 
> shared buffers waaaay down, I find that these errors go away.

32-bit machine no doubt?  There's a limit to how big a datum can be
slung around in a 32-bit address space, and it's not very many tens of
megabytes if you've got shared_buffers eating a large chunk of that
address space.

			regards, tom lane



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