RocksDB：
    https://time.geekbang.org/column/article/340181
    https://time.geekbang.org/column/article/225400

    Hbase：
    https://developer.aliyun.com/article/724652?spm=a2c6h.12873639.0.0.1fa81dbdTw2yEI
    缓存流程：
    https://blog.csdn.net/Post_Yuan/article/details/85260836?utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-8.no_search_link&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-8.no_search_link
    为何有缓存的情况下先写后读能读到最新的数据：
    https://www.zhihu.com/question/439140282

    Redis
    https://zhuanlan.zhihu.com/p/296484467