Won't this just be another leaky abstraction[1] in which the remoteness of the data will be impossible to ignore[2]? I like the idea of a transparant local LRU 'query'-cache for a remote database[3], but I fear Hibernate-like (or Haskell-like) problems in locating performance bottlenecks.

[1] http://www.joelonsoftware.com/articles/LeakyAbstractions.htm...

[2] "A Note on Distributed Computing" (http://labs.oracle.com/techrep/1994/smli_tr-94-29.pdf)

[3] Please correct me if that synopsis is wrong