> Subtransactions used to be used for two purposes:
> * ensure that newly created objects get "_p_" attributes
> (especially "_p_jar" and "_p_oid")
> * release memory in the mid of large transactions
> (i.e. reading and/or writing large amounts of objects)
> With ZODB 3.4, subtransactions are implemented as savepoints. They can
> still be used for the first purpose. But, they no longer start cache
> garbage collection.
Jim, was the latter intentional? It surprised me when Dieter pointed it
out, and in the ZODB NEWS file I explicitly implied <wink> otherwise.
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