{"id":195333,"date":"2024-11-13T14:09:20","date_gmt":"2024-11-13T06:09:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195333\/"},"modified":"2024-11-13T14:09:21","modified_gmt":"2024-11-13T06:09:21","slug":"%e5%84%aa%e8%89%b2%e5%88%a9%e7%94%a8redis%e9%9b%86%e4%b8%ad%e7%9a%84%e9%81%8e%e6%9c%9f%e8%99%95%e7%90%86%e6%8f%90%e5%8d%87%e6%80%a7%e8%83%bd%ef%bc%88redis%e9%9b%86%e4%b8%ad%e7%9a%84%e9%81%8e%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195333\/","title":{"rendered":"\u512a\u8272\u5229\u7528Redis\u96c6\u4e2d\u7684\u904e\u671f\u8655\u7406\u63d0\u5347\u6027\u80fd\uff08redis\u96c6\u4e2d\u7684\u904e\u671f \u6027\u80fd\uff09"},"content":{"rendered":"<h1 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id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e9%81%8e%e6%9c%9f%e9%8d%b5-SHdeXsrezb\">\u793a\u4f8b\uff1a\u4f7f\u7528Lua\u8173\u672c\u6279\u91cf\u522a\u9664\u904e\u671f\u9375<\/h4>\n<pre><code>\nlocal keys = redis.call('keys', '*')\nfor i=1,#keys do\n    if redis.call('ttl', keys[i]) &lt; 0 then\n        redis.call('del', keys[i])\n    end\nend\n<\/code><\/pre>\n<p>\u4e0a\u8ff0Lua\u8173\u672c\u5c07\u904d\u6b77\u6240\u6709\u9375\uff0c\u6aa2\u67e5\u5176TTL\uff0c\u5982\u679cTTL\u5c0f\u65bc0\uff0c\u5247\u522a\u9664\u8a72\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u6b21\u64cd\u4f5c\u4e2d\u6e05\u7406\u591a\u500b\u904e\u671f\u9375\uff0c\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<h2 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id=\"%e7%b5%90%e8%ab%96-SHdeXsrezb\">\u7d50\u8ad6<\/h3>\n<p>\u5229\u7528Redis\u7684\u96c6\u4e2d\u904e\u671f\u8655\u7406\u6a5f\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u8abf\u6574\u6aa2\u67e5\u983b\u7387\u4ee5\u53ca\u4f7f\u7528Lua\u8173\u672c\u9032\u884c\u6279\u91cf\u8655\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u7de9\u5b58\u6578\u64da\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u640d\u8017\u3002<\/p>\n<h2 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