Redis Data Structure contains:
- sds: A simple dynamic string
- adlist: A generic doubly linked list
- ziplist: A specially encoded dually linked list
- quicklist: A doubly linked list of ziplist
- skiplist: 待整理
- dict: Hash table
- zipmap: A string map data structure optimized for size
- intset: Integer set
- rax: A radix tree
siphash 一种哈希函数的实现方式
endianconv 字节序由小端转到大端
lzf 一种压缩算法