{"id":163467,"date":"2024-11-04T23:45:25","date_gmt":"2024-11-04T15:45:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163467\/"},"modified":"2024-11-04T23:45:26","modified_gmt":"2024-11-04T15:45:26","slug":"%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e6%93%8a%e7%a9%bf%e5%95%8f%e9%a1%8c%e7%9a%84%e5%89%b5%e6%96%b0%e6%96%b9%e6%a1%88%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e6%93%8a%e7%a9%bf%e6%96%b9%e6%a1%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163467\/","title":{"rendered":"\u89e3\u6c7aRedis\u7de9\u5b58\u64ca\u7a7f\u554f\u984c\u7684\u5275\u65b0\u65b9\u6848\uff08redis \u7de9\u5b58\u64ca\u7a7f\u65b9\u6848\uff09"},"content":{"rendered":"<h1 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\/\/ \u67e5\u8a62\u6578\u64da\u5eab\n            Object data = database.query(key);\n            cache.put(key, data);\n        }\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%a0%90%e5%8a%a0%e8%bc%89%e7%ad%96%e7%95%a5-vbPGdpKjLQ\">2. \u4f7f\u7528\u9810\u52a0\u8f09\u7b56\u7565<\/h3>\n<p>\u5c0d\u65bc\u4e00\u4e9b\u71b1\u9580\u6578\u64da\uff0c\u53ef\u4ee5\u5728\u7cfb\u7d71\u555f\u52d5\u6642\u6216\u5b9a\u671f\u9032\u884c\u9810\u52a0\u8f09\uff0c\u5c07\u9019\u4e9b\u6578\u64da\u63d0\u524d\u52a0\u8f09\u5230\u7de9\u5b58\u4e2d\uff0c\u6e1b\u5c11\u8acb\u6c42\u6642\u7684\u7de9\u5b58\u672a\u547d\u4e2d\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-vbPGdpKjLQ\">3. \u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5c0d\u65bc\u71b1\u9580\u6578\u64da\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u8f03\u9577\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u983b\u7e41\u7684\u904e\u671f\u5c0e\u81f4\u7de9\u5b58\u64ca\u7a7f\u3002\u540c\u6642\uff0c\u5c0d\u65bc\u4e0d\u5e38\u7528\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u8f03\u77ed\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u91cb\u653e\u7de9\u5b58\u7a7a\u9593\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8bloom-filter-vbPGdpKjLQ\">4. \u4f7f\u7528Bloom Filter<\/h3>\n<p>Bloom Filter\u662f\u4e00\u7a2e\u7a7a\u9593\u6548\u7387\u9ad8\u7684\u6982\u7387\u578b\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u7528\u4f86\u5224\u65b7\u67d0\u500b\u5143\u7d20\u662f\u5426\u5728\u96c6\u5408\u4e2d\u3002\u901a\u904e\u5728\u8acb\u6c42\u4e4b\u524d\u5148\u67e5\u8a62Bloom Filter\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002<\/p>\n<pre><code>\nif (!bloomFilter.contains(key)) {\n    \/\/ 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