四年时光

1 缓存替代算法 cache algorithms (also frequently called cache replacement algorithms or cache replacement policies). When the cache is full, the algorithm must choose which items to discard to make room for the new ones. 当缓存已满时, 缓存替代算法必须要选择要丢弃的数据项, 以便为新的数据项腾出空间.