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Hash Slot Algorithm Redis uses a hash slot algorithm to determine which shard or node a specific key belongs to The algorithm divides the
一、哈希槽介绍Redis Cluster在设计中没有使用一致性哈希(Consistency Hashing),而是使用数据分片引入哈希槽(hash slot)来实现; 一个Redis Figure 4: Hash Table with 11 Empty Slots¶ The mapping between an item and the slot where that item belongs in the hash table is called the hash function The
bbq frenzy slot 5 Hashing Hash Functions Given a collection of items, a hash function that maps each item into a unique slot is referred to as a perfect hash function If not, you move to the next slot Searching for bob takes five steps Here is the algorithm in C (assuming each array item is a string