Bitfield on PlumePHPhttps://plumephp.com/tags/bitfield/Recent content in Bitfield on PlumePHPHugozh-CNSun, 27 Sep 2026 11:30:00 +0800高级数据结构实战：Bitmap、HyperLogLog、GEO、布隆过滤器与 Streamhttps://plumephp.com/redis-advanced-data-structures/Sun, 27 Sep 2026 11:30:00 +0800https://plumephp.com/redis-advanced-data-structures/<p>Redis 的价值远不止 String/Hash 五个基础类型。在生产中，<strong>Bitmap</strong> 能把签到、在线状态的存储量压缩到极致；<strong>HyperLogLog</strong> 用不到 12KB 就统计上亿 UV；<strong>GEO</strong> 一行命令解决&quot;附近的人&quot;；<strong>布隆过滤器</strong>在缓存穿透防护中立下汗马功劳；而 <strong>Stream</strong> 是唯一真正适合做可靠消息队列的类型。</p>