Date: Sat, 7 Aug 1999 08:55:11 +0100 From: Nik Clayton <nik@freebsd.org> To: Bill Fumerola <billf@jade.chc-chimes.com> Cc: Nik Clayton <nik@freebsd.org>, Jim Mock <jim@blues.ghis.net>, advocacy@FreeBSD.org Subject: Re: followup: advocacy.freebsd.org (fwd) Message-ID: <19990807085511.C20112@catkin.nothing-going-on.org> In-Reply-To: <Pine.BSF.4.10.9908061240130.45391-100000@jade.chc-chimes.com>; from Bill Fumerola on Fri, Aug 06, 1999 at 12:41:38PM -0400 References: <19990806112413.A38499@kilt.nothing-going-on.org> <Pine.BSF.4.10.9908061240130.45391-100000@jade.chc-chimes.com>
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On Fri, Aug 06, 1999 at 12:41:38PM -0400, Bill Fumerola wrote:
> On Fri, 6 Aug 1999, Nik Clayton wrote:
> > Note that simply having the mirrors pull the content off the central
> > database is not, IMHO, acceptable. This removes most of the advantages
> > of mirroring the site, as we then have (a) a single point of failure
> > that can bring down all the mirrors, and (b) the page will still only
> > appear as fast as the connection between the mirror site and the
> > central database. This completely destroys the usefulness of the
> > mirrors.
>
> Good DBAs address these problems with replication.
Yep. Which limits our choice of DBs that can do this (I don't know if
Postgres or MySQL can, anybody?).
Also, this process (ideally) needs to be efficient. Hopefully about as
efficient as CVSup with the same content would be.
N
--
[intentional self-reference] can be easily accommodated using a blessed,
non-self-referential dummy head-node whose own object destructor severs
the links.
-- Tom Christiansen in <375143b5@cs.colorado.edu>
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