[mythtv-users] Mooting architecture for a DataDirect replacement
Jay R. Ashworth
jra at baylink.com
Thu Jun 21 19:23:13 UTC 2007
On Thu, Jun 21, 2007 at 01:47:25PM -0500, Kevin Hulse wrote:
> > Well, the *real* question is "how far back/forwards" do you need to
> > go... but remember how Usenet servers *work*. You can pull, from the
>
> Go as far ahead as the data will allow.
>
> Go as far back as storage and processing make prudent.
>
> Applying n+1 differentials to a base copy is just annoying.
> There has to be some sane smaller limit that will be set by human
> convenience more than technical considerations.
Sure. But I wasn't talking about "differentials", because they imply a
"full", and I don't propose that, either.
Doesn't *anyone* remember Usenet? :-)
> In either case, chunking the data in one week increments would probably
> make some sense. "full backups" need to be frequent enough that people don't
> want to throw sharp objects at you.
Most people will have their machines on and slurping all the time
anyway, so I don't see them *needing* "a full dump".
> > Leveraging RFC1036 and NNTP to move blocks of airing data seems to have
> > quite a number of advantages, operationally.
>
> Polices regarding "initial" copies versus "deltas" should be independent
> of the transport mechanism.
I don't see that 1036 imposes any policies at all, which the competing
proposal seem *to*.
Cheers,
-- jra
--
Jay R. Ashworth Baylink jra at baylink.com
Designer The Things I Think RFC 2100
Ashworth & Associates http://baylink.pitas.com '87 e24
St Petersburg FL USA http://photo.imageinc.us +1 727 647 1274
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