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Re: Slony-I for circular replication

From: "D'Arcy J(dot)M(dot) Cain" <darcy(at)druid(dot)net>
To: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
Cc: xzilla(at)users(dot)sourceforge(dot)net, pgsql-hackers(at)postgresql(dot)org,bmihajlov(at)yahoo(dot)com
Subject: Re: Slony-I for circular replication
Date: 2006-03-31 16:18:27
Message-ID: 20060331111827.2dacf699.darcy@druid.net (view raw or flat)
Thread:
Lists: pgsql-hackers
On Fri, 31 Mar 2006 09:35:31 -0600
"Jim C. Nasby" <jnasby(at)pervasive(dot)com> wrote:
> On Thu, Mar 30, 2006 at 10:15:21AM -0500, D'Arcy J.M. Cain wrote:
> > I had to do multi-master replication for a major project and we wound
> > up writing our own replication system.  The problem is that this sort of
> > thing really has to be based on your own business rules.  There is no
> > way to make it generic.  At least, that was the conclusion we came to.
> 
> Maybe true, but certainly a lot of the framework should be generic, no?

Possibly.  Unfortunately I did the work under NDA.  I should check and
see how much I can talk about.  I may at least be able to present a
paper discussing the basic ideas.  Hmm.  Maybe for the Toronto
conference?

> There's *a lot* of people who ask about multi-master replication.

Yah, we were one of them.  :-)

-- 
D'Arcy J.M. Cain <darcy(at)druid(dot)net>         |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
+1 416 425 1212     (DoD#0082)    (eNTP)   |  what's for dinner.

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