checkpoint_timeout

From: Thomas F(dot)O'Connell <tfo(at)sitening(dot)com>
To: "PgSQL General" <pgsql-general(at)postgresql(dot)org>
Subject: checkpoint_timeout
Date: 2005-03-22 23:15:28
Message-ID: 367bd835ee9894314da4bc8be54d837e@sitening.com
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In the annotated conf file for 8.0, Josh Berkus notes that
checkpoint_timeout should be increased "dramatically" for large data
loads. For settings like sort_mem (now work_mem), it's been convenient
to be able to have a default setting for standard work and a
per-connection configuration option.

Instinctively, it seems like it would be nice to have something similar
for checkpoint_timeout, but is there any disadvantage to having a value
"dramatically" higher than the default for general use, considering
that checkpoint_timeout can only be set at server start?

-tfo

--
Thomas F. O'Connell
Co-Founder, Information Architect
Sitening, LLC
http://www.sitening.com/
110 30th Avenue North, Suite 6
Nashville, TN 37203-6320
615-260-0005

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