Message-ID: <4CC86354.8070501@agliodbs.com>
Date: Wed, 27 Oct 2010 10:37:24 -0700
From: Josh Berkus <josh@agliodbs.com>
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To: Robert Haas <robertmhaas@gmail.com>
CC: Simon Riggs <simon@2ndQuadrant.com>, Greg Stark <gsstark@mit.edu>,
	Bruce Momjian <bruce@momjian.us>, pgsql-hackers@postgresql.org
Subject: Re: Simplifying replication
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>> It is the same to the user either way.  In either case you have to
>> change some settings and restart the master.
>
> Except that changing wal_keep_segments doesn't require restarting the master.

Our docs say that it does:
This parameter can only be set in the postgresql.conf file or on the 
server command line.

http://www.postgresql.org/docs/9.0/static/runtime-config-wal.html#RUNTIME-CONFIG-REPLICATION

-- 
                                   -- Josh Berkus
                                      PostgreSQL Experts Inc.
                                      http://www.pgexperts.com