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Re: scaling object databases

On Fri, 18 May 2001, Reason wrote:
> Can anyone on this list give me a coherent explanation (or pointer to same)
> of how the process of designing for scalability differs in the ODB paradigm
> from the RDB paradigm? Network setup, clustering servers, that sort of stuff
> as opposed to writing the code efficiently.
> I was talking today -- in my day job incarnation -- to a rep and a
> technician from ObjectDesign (www.objectdesign.com, obnoxious flash) about
> their ObjectStore ODB. I was attempting to get some sort of a handle on the
> differences between it, Castor and Ozone insofar as designing a high-traffic
> system goes & they and their white papers weren't being too clear. They had
> never heard of Castor, and I had never heard of the persistance layer-like
> proprietary code they were holding up as an example of type. Just different
> worlds, I guess :)
> I have some ground-level ideas on how to implement master-slave replication
> in Ozone; a question would be whether it is sensible to tackle that sort of
> problem at this stage in Ozone development when I need a product in six
> months. Is Ozone stable enough in a high-traffic environment to make it
> worthwhile instituting mySQL-style pyramid master-slave clusters of Ozone
> servers (or similar)? I'd rather end up with a better Ozone -- or other open
> source ODB of choice in which I get the speed of putting the business logic
> inside the server -- than either a) paying for proprietary code that does
> the job right now, or b) implementing a persistance layer that translates to
> SQL. I'd like to hear thoughts on the realism of such a project from
> existing developers, however...

What are the actual qualitive and quantitative requirements of the application
you need this scalable system for? How many users? How many objects? What kind
of transactions? Distribution? Fail-over?

If ozone is a canditate at all highly depends on those requirements.

Falko Braeutigam                              mailto:falko@smb-tec.com
SMB GmbH                                        http://www.smb-tec.com