From: Bruce Momjian <bruce@momjian.us>
Message-Id: <200611201503.kAKF32U19682@momjian.us>
Subject: Re: [HACKERS] Replication documentation addition
In-Reply-To: <200611181529.07429.josh@agliodbs.com>
To: Josh Berkus <josh@agliodbs.com>
Date: Mon, 20 Nov 2006 10:03:02 -0500 (EST)
CC: pgsql-docs@postgresql.org, Jim Nasby <decibel@decibel.org>,
	Jeff Frost <jeff@frostconsultingllc.com>, Chris Browne <cbbrowne@acm.org>
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Josh Berkus wrote:
> Jim,
> 
> > That's true of simple query broadcasting (ie: pgpool), but not true ?
> > of Continuent/Sequoia. Continuent's software adds a lot of additional ?
> > features on top of simple query broadcasting, making it far more ?
> > robust than simply spewing queries out to every node in the cluster. ?
> > You still have to be very careful with how you use it, but not nearly ?
> > as much as with simpler solutions.
> 
> I think the general term is "statement-based replication", not "broadcasting".

Well, the problem is that you can use a statement-based method to
replication from a master to a slave.  I think MySQL used to use this
method, or still does, so I don't think the term "statement-based" is
clear enough, though I am open to other terms than "broadcast".

-- 
  Bruce Momjian   bruce@momjian.us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +