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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Chander Ganesan <chander@otg-nc.com>
Cc: Jonny <blubb@terminalschmiede.de>
Cc: pgsql-admin@postgresql.org
Subject: Re: turning of pg_xlog
Date: Tue, 30 Sep 2008 14:44:38 -0400
Message-ID: <23386.1222800278@sss.pgh.pa.us> (raw)
In-Reply-To: <48E26C60.3060307@otg-nc.com>
References: <48E0B559.3070406@terminalschmiede.de>
	<48E26C60.3060307@otg-nc.com>

Chander Ganesan <chander@otg-nc.com> writes:
> You should also understand that if you set checkpoint_segments to a 
> small number, its still possible that PostgreSQL might use more than 
> that number for a large transaction.

"Large transactions" have nothing to do with this.  You are confusing
Postgres' implementation with Oracle's.

			regards, tom lane



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