[PhillyOnRails] Is anyone using Object Prevalence with Rails?

[Toby DiPasquale <toby@cbcg.net>]

Hi all,

At my talk at the beginning of the month, I hinted at developers
discontinuing use of traditional RDBMSs in the future. I had a specific
idea in mind when I said that which, at the time, I thought was original.
However, today I found out that the community once again beat me to it ;-)
Its called "Object Prevalence"[1] and there is a framework for Java called
Prevayler[2]. There is also a port of this framework to Ruby called
Madeleine[3]. And, there's another OP-esque project for Ruby called Ruby 
Object Database[4].

So, I wonder: are any of you using any OP frameworks with your Rails
applications? If so, how are they working out for you? Are you having any
problems? Which would you recommend? Any inherent weaknesses with the
model that one should be aware of? I'm particularly interested in this
since I was planning on building a Rails app pretty soon and I also know
that Ruby's memory management/GC is kind of lame right now, so I want to
know if I can rely on this OP technique given this constraint.

Thanks!

[1] http://www.ibm.com/developerworks/library/wa-objprev/
[2] http://www.prevayler.org/wiki.jsp
[3] http://madeleine.sourceforge.net/
[4] http://www.nongnu.org/robdb/

-- 
Toby DiPasquale
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