I just pushed a patch implementing the cached-slot model I described
earlier. I haven't fully exercised it, but it basically works. You
can simply tell an instance what you want it to do with slots by
setting (setf (cache-mode instance) :all-cached) Other options
are :none-cached, :write-through and :index-write-through. Index
cached slots are not supported, but will be easy to add later.
Feel free to play - Leslie I'd love to see if this fits your use
case. This may give us many of the benefits of prevalence / managed
objects. If you used the all-cached option, then you can have a very
long running transaction without exhausting, for example, BDB cache
memory or locks.
Ian
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