Redis 底层数据结构说明

#define OBJ_ENCODING_RAW 0     /* Raw representation */#define OBJ_ENCODING_INT 1     /* Encoded as integer */#define OBJ_ENCODING_HT 2      /* Encoded as hash table */#define OBJ_ENCODING_ZIPMAP 3  /* No longer used: old hash encoding. */#define OBJ_ENCODING_LINKEDLIST 4 /* No longer used: old list encoding. */#define OBJ_ENCODING_ZIPLIST 5 /* No longer used: old list/hash/zset encoding. */#define OBJ_ENCODING_INTSET 6  /* Encoded as intset */#define OBJ_ENCODING_SKIPLIST 7  /* Encoded as skiplist */#define OBJ_ENCODING_EMBSTR 8  /* Embedded sds string encoding */#define OBJ_ENCODING_QUICKLIST 9 /* Encoded as linked list of listpacks */#define OBJ_ENCODING_STREAM 10 /* Encoded as a radix tree of listpacks */#define OBJ_ENCODING_LISTPACK 11 /* Encoded as a listpack */