Atmasamarpan Novy wrote:
A current ZODB cache will become a first level cache (L1), each ZODB connection maintains its own copy. When an object is needed it reads it from L2 cache instead from a storage. L2 cache is a common for all ZODB connections. Objects are stored there in the state where references are not yet resolved from their persistent form.

If you're using FileStorage without ZEO, then your operating system's disk cache will act in a way similar to what you're describing as your L2 cache.
Benji York
Senior Software Engineer
Zope Corporation
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