[Dev] ZODB is not a Storage Technology (Re: other formats )
egerlach at canada.com
Sun Nov 3 14:25:47 PST 2002
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At 01:44 PM 03/11/02 -0800, Michael R. Bernstein wrote:
>On Sun, 2002-11-03 at 12:48, Eric Gerlach wrote:
>> At 12:16 PM 03/11/02 -0800, Michael R. Bernstein wrote:
>> >The ZODB is not in and of itself a Storage technology. It is a
>> >object persistence layer, that has a pluggable storage back-end.
>> Woah there Micheal. I never once mentioned ZODB. If we fix our
>> thinking in terms of the technology, we lose sight of the real
>> issues, which have nothing to do with choosing technology. If all
>> have is a hammer, everything looks like a nail.
>> My diagram was designed to show that whatever abstraction Chandler
>> data takes should have its own layer. There's no need to diagram
>> internals of ZODB... if you like, replace "Data" in my diagram with
>Eric, please notice that I was replying to David's posting, where it
>clear to me he was thinking of the ZODB as a Storage model, when it's
>really an abstraction layer on the order of what he was looking for.
Sorry about that Micheal, in my mind I was more objecting to the
diagram modification than the text itself. As I said in my another
email, what evidence is there that object persistence is the way to
>I was trying to clear up a misperception, not advocating the ZODB
>per-se. Please notice I didn't label any part of the diagram 'ZODB'.
>*can't* advocate the ZODB much, because I'm no more certain of the
>requirements that led to it's selection than anyone else on this
Well, at least we're on the same side :) I'm trying to nip any basing
of requirements off of technology in the bud. There has been a lot of
advocating of this and that technology, but no real talk about what
role that technology will fill, or what the requirements for filling
that role are. Perhaps I percieved advocation where there was none.
Again, mea culpa.
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