一个不错的cache，不但能够实现map的所有操作，而却具有内嵌的集群支持能力-a good cache, not only can be achieved in all operations map, but it is embedded cluster support capacity

oscache-2.4.1-full，这个大家都知道吧这么重要的包，我都找了好久-oscache-2.4.1-full, that we all know such an important package, I have to find for a long time