Re: IDEA: Multi-master replication possible through spread (or even master-slave)...

Howdy. Darren, I'd reply in person, but there are issues with
your mail account. ;~) At anyrate, is there a mailing list that the
Postgres-R development is happening on so that I could drop in and
either listen/contribute? Thanks. -sc

<djohnson(at)greatbridge(dot)org>:
63.136.234.38 does not like recipient.
Remote host said: 550 <djohnson(at)greatbridge(dot)org>... User unknown
Giving up on 63.136.234.38.

--- Below this line is a copy of the message.

Return-Path: <sean(at)mailhost(dot)tgd(dot)net>
Received: (qmail 9478 invoked by uid 1001); 21 Jul 2001 05:09:21 -0000
Date: Fri, 20 Jul 2001 22:09:21 -0700
From: Sean Chittenden <sean(at)chittenden(dot)org>
To: Darren Johnson <djohnson(at)greatbridge(dot)org>
Subject: Re: [HACKERS] IDEA: Multi-master replication possible through
spread
+(or even master-slave)...
Message-ID: <20010720220921(dot)L5160(at)rand(dot)tgd(dot)net>
References: <20010720203243(dot)J5160(at)rand(dot)tgd(dot)net>
+<3B590CC6(dot)5040506(at)greatbridge(dot)org>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
protocol="application/pgp-signature";
boundary="1ppIqr1kl39GnwQx"
Content-Disposition: inline
In-Reply-To: <3B590CC6(dot)5040506(at)greatbridge(dot)org>; from
"djohnson(at)greatbridge(dot)org"
+on Sat, Jul 21, 2001 at = 01:01:58AM

On Sat, Jul 21, 2001 at 01:01:58AM -0400, Darren Johnson wrote:
> Delivered-To: chittenden(dot)org-sean-pgsql-hackers(at)chittenden(dot)org
> Date: Sat, 21 Jul 2001 01:01:58 -0400
> From: Darren Johnson <djohnson(at)greatbridge(dot)org>
> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; m18) Gecko/20010131 Netscape6/6.01
> X-Accept-Language: en
> To: Sean Chittenden <sean-pgsql-hackers(at)chittenden(dot)org>
> CC: pgsql-hackers(at)postgresql(dot)org
> Subject: Re: [HACKERS] IDEA: Multi-master replication possible through spread (or even master-slave)...
>
> Sean Chittenden wrote:
>
> > Has anyone here thought about using the spread libraries for WAL
> > replication amongst mutliple hosts? With this library I think it'd be
> > possible to have a multi-master replication system..
>
> Yes, there is some work being done to use Spread as the group
> communication system
> for Postgres-R, but we are just getting started with this software.
> Using a group
> communication system to establish total order messages is one of the
> basic principles for
> synchronous multi-master replication with Postgres-R. Currently
> Ensemble (form Cornell
> University) is used, but Spread looks to be more robust and it appears
> to be supported
> on most if not all of the PostgreSQL supported platforms.
>
> It's very cool to see positive testimony for Spread, and I hope I will
> feel the same way
> as I become more familiar with it.

--
Sean Chittenden