I'm afraid I didn't think too hard about your overall problem, since
since you haven't gotten other responses I can at least say something:
> Theory 1: use EHCache or something like it.
> Theory 2: having it in memory in the Cassandra server is nearly as
> good as having it in memory in my jvm, si
Cassandra as dessert topping? Cassandra as floor-wax?
I do apologize for this basket of clueless questions, but I'm
exploring new territory for me.
Overall problem has two datasets with distinct storage characteristics.
The first is a set of data that can fit in memory, but which needs
reliable