[ZODB-Dev] Decouple persistence, database, and cache

[Jim Fulton]

I've created a proposal:

   http://www.zope.org/Wikis/ZODB/DecouplePersistenceDatabaseAndCache

for simplifying and decoupling the persistence and cache architectures.
I've been thinking about this for quite some time.  In fact, the ability to subclass
weakref.ref objects that appeared in Python 2.4 anticipates this. :)

Dieters's recent proposal, especially

   http://www.zope.org/Wikis/ZODB/MemorySizeLimitedCache

spurred me to begin writing these ideas down.  My proposal is an
alternative to the first part of Dieter's proposal.

Jim

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