Re: Feature Request for 7.5

On Wed, Dec 03, 2003 at 04:04:41PM +0000, Peter Childs wrote:
>
> On Wed, 3 Dec 2003, Alvaro Herrera wrote:
>
> > On Wed, Dec 03, 2003 at 08:41:40PM +0700, Chris Travers wrote:
> >
> > > It strikes me that, for many sorts of databases, multimaster synchronous
> > > replication is not the best solution for the reasons that Scott, Jan, et.
> > > al. have raised.  I am wondering how commercial RDBMS's get arround this
> > > problem?
> >
> > Say, have you looked at the approach taken by postgres-r?  It's supposed
> > to solve these problems, and unless I've missed something they are in
> > need of some manpower to port it to recent releases.
> >
> > I don't know the URL.  It's on gborg somewhere though.
>
> http://gborg.postgresql.org/project/pgreplication/projdisplay.php
>
>     The way I under stand the fix is to have a two stage commit...
> This is from previous threads mind you.

No, it is not two phase commit at all.  It uses "group communication"
with "total order".  What does this mean in detail I don't know.

--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
Voy a acabar con todos los humanos / con los humanos yo acabaré
voy a acabar con todos / con todos los humanos acabaré (Bender)