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Re: Out of memory errors on pg_dump

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Chander Ganesan <chander(dot)ganesan(at)gmail(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Out of memory errors on pg_dump
Date: 2012-06-13 17:17:59
Message-ID: 13098.1339607879@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-admin
Chander Ganesan <chander(dot)ganesan(at)gmail(dot)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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