[Wikipedia-l] Mirroring (was Re: Fundraising)

[Constans, Camille (C.C.)]

> -----Original Message-----
> From: Andre Engels [mailto:engels at uni-koblenz.de]
> Sent: 22 September 2003 10:14
> To: wikipedia-l at Wikipedia.org
> Subject: Re: [Wikipedia-l] Mirroring (was Re: Fundraising)
> 
> 
> On Mon, 22 Sep 2003, Tim Starling wrote:
> 
> > I was suggesting making a read-only mirror by mirroring the database
> > rather than just the HTML. Every time a page is updated on 
> the main DB
> > server, an update would automatically be sent to the 
> mirror. It's a very
> > simple method, which meets Daniel's requirements of short 
> latency. The
> > idea would be that the mirror would serve web pages by 
> getting articles
> > from its local copy of the database, rather than from the 
> other side of
> > the world or country or whatever.
> >
> > We could even set up a full read-write server on the other 
> side of the
> > world, and redirect users to a different domain name as they arrive,
> > based on their location. Users could specify their 
> preferred mirror in
> > their user preferences. We could even make larousse the default for
> > logged-in users, that way most edits go to a web server 
> which is close
> > to the master DB.
> 
> Would it not be better to keep the mirrors read-only, and 
> have them redirect
> to the master for write-access? To have writing in several 
> places causes
> significant overhead in avoiding edit conflicts and such.
> 
> Andre Engels

The Mysql Manual say that. We haven't really many write to need master/slaver write too. Off course, I think it's possible to set a slave as master if the master is down.