Sorry, forgot to mention that:
logging_collector = on          # Enable capturing of stderr and csvlog

Infact I was thinking of the other way, to switch it off and somehow display 
the 
stderr(or syslog) directly on console (rather than writing to a file) to see if 
it helps.




________________________________
From: Tom Lane <t...@sss.pgh.pa.us>
To: A J <s5...@yahoo.com>
Cc: Kevin Grittner <kevin.gritt...@wicourts.gov>; Scott Marlowe 
<scott.marl...@gmail.com>; pgsql-admin@postgresql.org
Sent: Thu, September 2, 2010 3:03:33 PM
Subject: Re: [ADMIN] Confused by 'timing' results 

A J <s5...@yahoo.com> writes:
> The performance as seen from the clients dropped substantially after turning 
> on 
>
> the extra logging. The numbers were real but the performance dropped 
> significantly.

> All the log related settings in postgresql.conf are below:

Hmm, what about logging_collector?  (Or it might be called
redirect_stderr, depending on which PG version this is.)
If it's currently off, see whether turning it on improves matters.

            regards, tom lane

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