https://benzhub.github.io/tags/%E9%80%B2%E9%9A%8E%E9%9B%9C%E6%B9%8A/Recent content in 進階雜湊 on BenzHubHugozh-TWMon, 29 Jun 2026 00:00:00 +0000https://benzhub.github.io/post/javascript/data-structures--algorithms/016-advanced-hashing/Mon, 29 Jun 2026 00:00:00 +0000https://benzhub.github.io/post/javascript/data-structures--algorithms/016-advanced-hashing/<blockquote> <p><strong>進階雜湊技術</strong>（Advanced Hashing）是基礎雜湊表向特殊場景的延伸：<strong>Consistent Hashing</strong> 解決分散式節點增減時幾乎所有 key 都需要重新映射的問題；<strong>Cuckoo Hashing</strong> 透過雙表踢出機制，讓查詢在最壞情況下也只需兩次存取；<strong>Perfect Hashing</strong> 則用兩層設計徹底消除碰撞。這些技術是 Memcached、Redis Cluster 與系統設計面試的核心考點。</p> </blockquote>