缓存算法及Redis、Memcached、Guava、Ehcache中的算法

https://my.oschina.net/ffy/blog/501003

https://yq.aliyun.com/articles/622757

https://blog.csdn.net/starrykey/article/details/52049613

https://blog.csdn.net/tantexian/article/details/49946181