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From: Dimitri Fontaine <dimitri@2ndQuadrant.fr>
To: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
Cc: Simon Riggs <simon@2ndQuadrant.com>
Cc: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: greg@2ndQuadrant.com, Josh Berkus <josh@postgresql.org>
Cc: Hannu Krosing <hannu@2ndquadrant.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Sync Rep Design
Date: Sat, 01 Jan 2011 17:28:42 +0100
Message-ID: <m2ei8wy4ed.fsf@2ndQuadrant.fr> (raw)
In-Reply-To: <4D1F332A.90306@kaltenbrunner.cc>
References: <1293729972.1892.23804.camel@ebony>
	<4D1CC47E.7050207@kaltenbrunner.cc>
	<1293735853.1892.24886.camel@ebony>
	<AANLkTi=SvN2KQ1Tzh-tRKcXD0i2FyWFBbbR=kXXdepqN@mail.gmail.com>
	<4D1D8B2F.5070001@2ndquadrant.com>
	<4D1DAB14.5000800@enterprisedb.com>
	<1293796137.1892.37313.camel@ebony>
	<4D1DCF5A.7070808@enterprisedb.com>
	<1293822959.1892.43164.camel@ebony>
	<4D1F332A.90306@kaltenbrunner.cc>

Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> well you keep saying that but to be honest I cannot really even see a
> usecase for me - what is "only a random one of a set of servers is sync at
> any time and I don't really know which one".

It looks easy enough to get to know which one it is.  Surely the primary
knows and could update something visible through a system view for
users?  This as been asked for before and I was thinking there was a
consensus on this.

Regards,
-- 
Dimitri Fontaine
http://2ndQuadrant.fr     PostgreSQL : Expertise, Formation et Support



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