https://www.jianshu.com/p/ec465da21b4a
https://www.cnblogs.com/hello-shf/p/11543468.html
https://www.cnblogs.com/gavinYang/p/11199877.html
redis cluster
https://www.cnblogs.com/yueerya/articles/11507242.html
https://baijiahao.baidu.com/s?id=1609391842489970554&wfr=spider&for=pc
https://yq.aliyun.com/articles/672521