{"id":126829,"date":"2024-10-26T07:59:20","date_gmt":"2024-10-25T23:59:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126829\/"},"modified":"2024-10-26T07:59:21","modified_gmt":"2024-10-25T23:59:21","slug":"redis-%e6%b8%85%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e6%aa%a2%e6%b8%ac%e9%ab%92%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126829\/","title":{"rendered":"Redis \u6e05\u7406\u6578\u64da\u5eab\u6aa2\u6e2c\u9ad2\u6578\u64da"},"content":{"rendered":"<h1 id=\"redis-%e6%b8%85%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%e6%aa%a2%e6%b8%ac%e9%ab%92%e6%95%b8%e6%93%9a-GFMRwaVLhA\">Redis \u6e05\u7406\u6578\u64da\u5eab\u6aa2\u6e2c\u9ad2\u6578\u64da<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u51fa\u73fe\u9ad2\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u4e0d\u50c5\u4f54\u7528\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6e96\u78ba\u6027\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406 Redis \u6578\u64da\u5eab\u4e26\u6aa2\u6e2c\u9ad2\u6578\u64da\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%ab%92%e6%95%b8%e6%93%9a%ef%bc%9f-GFMRwaVLhA\">\u4ec0\u9ebc\u662f\u9ad2\u6578\u64da\uff1f<\/h2>\n<p>\u9ad2\u6578\u64da\u662f\u6307\u4e0d\u6e96\u78ba\u3001\u4e0d\u5b8c\u6574\u6216\u4e0d\u4e00\u81f4\u7684\u6578\u64da\u3002\u9019\u4e9b\u6578\u64da\u53ef\u80fd\u662f\u7531\u65bc\u591a\u7a2e\u539f\u56e0\u7522\u751f\u7684\uff0c\u4f8b\u5982\u7528\u6236\u8f38\u5165\u932f\u8aa4\u3001\u7cfb\u7d71\u6545\u969c\u6216\u6578\u64da\u540c\u6b65\u554f\u984c\u3002\u5728 Redis \u4e2d\uff0c\u9ad2\u6578\u64da\u53ef\u80fd\u8868\u73fe\u70ba\u904e\u671f\u7684\u9375\u3001\u7121\u6548\u7684\u503c\u6216\u91cd\u8907\u7684\u6578\u64da\u3002\u9019\u4e9b\u9ad2\u6578\u64da\u4e0d\u50c5\u6703\u6d6a\u8cbb\u5b58\u5132\u8cc7\u6e90\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u908f\u8f2f\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%b8%ac%e9%ab%92%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-GFMRwaVLhA\">\u6aa2\u6e2c\u9ad2\u6578\u64da\u7684\u65b9\u6cd5<\/h2>\n<p>\u6aa2\u6e2c Redis \u4e2d\u7684\u9ad2\u6578\u64da\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u9032\u884c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 Redis \u547d\u4ee4\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u4e00\u4e9b\u547d\u4ee4\u4f86\u6aa2\u67e5\u6578\u64da\u7684\u72c0\u614b\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u4f86\u5217\u51fa\u6240\u6709\u9375\uff0c\u7136\u5f8c\u624b\u52d5\u6aa2\u67e5\u6bcf\u500b\u9375\u7684\u503c\u3002<\/li>\n<li><strong>\u904e\u671f\u9375\u6aa2\u67e5\uff1a<\/strong>\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u4e26\u5b9a\u671f\u6aa2\u67e5\u904e\u671f\u7684\u9375\u3002\u53ef\u4ee5\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\u6aa2\u67e5\uff1a<\/strong>\u901a\u904e\u6bd4\u8f03\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u8207\u5916\u90e8\u6578\u64da\u6e90\uff08\u5982\u6578\u64da\u5eab\u6216 API\uff09\u4f86\u6aa2\u67e5\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b8%85%e7%90%86%e9%ab%92%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-GFMRwaVLhA\">\u6e05\u7406\u9ad2\u6578\u64da\u7684\u65b9\u6cd5<\/h2>\n<p>\u4e00\u65e6\u6aa2\u6e2c\u5230\u9ad2\u6578\u64da\uff0c\u5c31\u9700\u8981\u63a1\u53d6\u63aa\u65bd\u9032\u884c\u6e05\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6e05\u7406\u9ad2\u6578\u64da\u7684\u5e38\u7528\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u522a\u9664\u904e\u671f\u9375\uff1a<\/strong>\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u4f8b\u5982\uff0c<code>DEL key_name<\/code> \u53ef\u4ee5\u522a\u9664\u6307\u5b9a\u7684\u9375\u3002<\/li>\n<li><strong>\u4f7f\u7528 Lua \u8173\u672c\uff1a<\/strong>\u53ef\u4ee5\u7de8\u5beb Lua \u8173\u672c\u4f86\u81ea\u52d5\u6aa2\u67e5\u548c\u522a\u9664\u9ad2\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\uff0c\u6e1b\u5c11\u624b\u52d5\u64cd\u4f5c\u7684\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u4efb\u52d9\uff1a<\/strong>\u8a2d\u7f6e\u5b9a\u671f\u4efb\u52d9\uff08\u5982 cron \u4f5c\u696d\uff09\u4f86\u81ea\u52d5\u57f7\u884c\u6578\u64da\u6e05\u7406\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u4fdd\u6301\u4e7e\u6de8\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac%e6%b8%85%e7%90%86%e9%ab%92%e6%95%b8%e6%93%9a-GFMRwaVLhA\">\u793a\u4f8b\uff1a\u4f7f\u7528 Lua \u8173\u672c\u6e05\u7406\u9ad2\u6578\u64da<\/h2>\n<pre><code>\n-- Lua \u8173\u672c\u793a\u4f8b\uff1a\u522a\u9664\u6240\u6709\u904e\u671f\u7684\u9375\nlocal keys = redis.call('KEYS', '*')\nfor i=1, #keys do\n    if redis.call('TTL', keys[i]) == -1 then\n        redis.call('DEL', keys[i])\n    end\nend\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u8173\u672c\u5c07\u6aa2\u67e5\u6240\u6709\u9375\uff0c\u4e26\u522a\u9664\u90a3\u4e9b\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7684\u9375\u3002\u9019\u662f\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u6e05\u7406\u9ad2\u6578\u64da\u7684\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-GFMRwaVLhA\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u7684\u904e\u7a0b\u4e2d\uff0c\u5b9a\u671f\u6aa2\u6e2c\u548c\u6e05\u7406\u9ad2\u6578\u64da\u662f\u4fdd\u6301\u6578\u64da\u5eab\u6027\u80fd\u548c\u6e96\u78ba\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u547d\u4ee4\u3001Lua \u8173\u672c\u4ee5\u53ca\u5b9a\u671f\u6e05\u7406\u4efb\u52d9\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u9ad2\u6578\u64da\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Redis \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u6578\u64da\u5eab\u6e05\u7406\u6307\u5357\uff0c\u6aa2\u6e2c\u4e26\u79fb\u9664\u9ad2\u6578\u64da\uff0c\u63d0\u5347\u6027\u80fd\u8207\u5b58\u5132\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u8207\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-126829","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=126829"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126829\/revisions"}],"predecessor-version":[{"id":126830,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126829\/revisions\/126830"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}