Nicely put. Do you think `new ConcurrentHashSplayTree<String,int>()` is slower and less space efficient than roping in a Redis server as the LRU? Didn't think

Nicely put. Do you think `new ConcurrentHashSplayTree<String,int>()` is slower and less space efficient than roping in a Redis server as the LRU? Didn't think so. That was more my rant, though.