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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Neil Morgan <N.A.Morgan@brighton.ac.uk>
cc: "pgsql-admin@postgresql.org" <pgsql-admin@postgresql.org>
Subject: Re: pg_dump out of memory
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Comments: In-reply-to Neil Morgan <N.A.Morgan@brighton.ac.uk>
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Neil Morgan <N.A.Morgan@brighton.ac.uk> writes:
> I am running a PostgreSQL 8.3 server (not my choice, would prefer 9.1) but I am experiencing memory issues when using pg_dump.

8.3.what?

> Does anyone have any ideas please?

For starters, turn on log_statements so you can see what query is
triggering this.  It'd be even better if you can get a stack trace
from the point of the errfinish call.
https://wiki.postgresql.org/wiki/Generating_a_stack_trace_of_a_PostgreSQL_backend

			regards, tom lane