{"id":196578,"date":"2024-11-14T00:46:20","date_gmt":"2024-11-13T16:46:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196578\/"},"modified":"2024-11-14T00:46:21","modified_gmt":"2024-11-13T16:46:21","slug":"%e9%87%8d%e6%a7%8bredis%e5%9c%a8%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f%e4%b9%8b%e5%89%8d%ef%bc%88redis-%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196578\/","title":{"rendered":"\u91cd\u69cbRedis\u5728\u9375\u503c\u904e\u671f\u4e4b\u524d\uff08redis \u9375\u503c\u904e\u671f\uff09"},"content":{"rendered":"<h1 id=\"%e9%87%8d%e6%a7%8bredis%e5%9c%a8%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f%e4%b9%8b%e5%89%8d-ZHdEBkNcSe\">\u91cd\u69cbRedis\u5728\u9375\u503c\u904e\u671f\u4e4b\u524d<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6703\u8a71\u7ba1\u7406\u548c\u5373\u6642\u6578\u64da\u5206\u6790\u7b49\u3002\u5176\u9375\u503c\u904e\u671f\u529f\u80fd\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u81ea\u52d5\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u9031\u671f\uff0c\u5f9e\u800c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u5b58\u5132\u958b\u92b7\u3002\u7136\u800c\uff0c\u7576\u9375\u503c\u5373\u5c07\u904e\u671f\u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u91cd\u69cb\u548c\u7ba1\u7406\u9019\u4e9b\u6578\u64da\uff0c\u6210\u70ba\u4e86\u958b\u767c\u8005\u9700\u8981\u9762\u5c0d\u7684\u4e00\u500b\u6311\u6230\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e9%8d%b5%e5%80%bc%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-ZHdEBkNcSe\">Redis\u7684\u9375\u503c\u904e\u671f\u6a5f\u5236<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6bcf\u500b\u9375\u90fd\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u7576\u9019\u500b\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u6a5f\u5236\u4e3b\u8981\u901a\u904e\u5169\u7a2e\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff1a<\/strong>Redis\u6703\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\uff0c\u9019\u500b\u904e\u7a0b\u901a\u5e38\u662f\u6bcf\u9694100\u6beb\u79d2\u9032\u884c\u4e00\u6b21\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u7576\u5ba2\u6236\u7aef\u8acb\u6c42\u67d0\u500b\u9375\u6642\uff0cRedis\u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u5982\u679c\u904e\u671f\u5247\u522a\u9664\u3002<\/li>\n<\/ul>\n<p>\u9019\u5169\u7a2e\u65b9\u5f0f\u7684\u7d50\u5408\u4f7f\u5f97Redis\u80fd\u5920\u9ad8\u6548\u5730\u7ba1\u7406\u904e\u671f\u9375\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u5728\u9375\u503c\u904e\u671f\u4e4b\u524d\u9032\u884c\u91cd\u69cb\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5229\u7528\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e9%87%8d%e6%a7%8b%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-ZHdEBkNcSe\">\u91cd\u69cb\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u91cd\u69cbRedis\u4e2d\u7684\u9375\u503c\u6578\u64da\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\u662f\u5fc5\u8981\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u66f4\u65b0\uff1a<\/strong>\u7576\u6578\u64da\u9700\u8981\u66f4\u65b0\u6642\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u5728\u904e\u671f\u4e4b\u524d\u91cd\u69cb\u6578\u64da\uff0c\u4ee5\u78ba\u4fdd\u7528\u6236\u7372\u5f97\u6700\u65b0\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u91cb\u653e\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u5e0c\u671b\u5728\u9375\u503c\u904e\u671f\u4e4b\u524d\u91cb\u653e\u8cc7\u6e90\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5b58\u5132\u958b\u92b7\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u6790\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u5206\u6790\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u5728\u6578\u64da\u904e\u671f\u4e4b\u524d\u63d0\u53d6\u548c\u8655\u7406\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%87%8d%e6%a7%8b%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-ZHdEBkNcSe\">\u91cd\u69cb\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5728Redis\u4e2d\u91cd\u69cb\u9375\u503c\u6578\u64da\u7684\u5e38\u898b\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8ttl%e5%91%bd%e4%bb%a4-ZHdEBkNcSe\">1. \u4f7f\u7528TTL\u547d\u4ee4<\/h3>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528TTL\uff08Time To Live\uff09\u547d\u4ee4\u4f86\u6aa2\u67e5\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u91cd\u69cb\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u9375\u201cmykey\u201d\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u5982\u679c\u5269\u9918\u6642\u9593\u4f4e\u65bc\u67d0\u500b\u95be\u503c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u91cd\u69cb\u8a72\u9375\u7684\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e5%9b%9e%e8%aa%bf-ZHdEBkNcSe\">2. \u4f7f\u7528\u904e\u671f\u56de\u8abf<\/h3>\n<p>Redis\u672c\u8eab\u4e0d\u652f\u6301\u904e\u671f\u56de\u8abf\uff0c\u4f46\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\u4f86\u76e3\u63a7\u5373\u5c07\u904e\u671f\u7684\u9375\u3002\u9019\u53ef\u4ee5\u901a\u904eRedis\u7684Pub\/Sub\u529f\u80fd\u4f86\u5be6\u73fe\uff0c\u7576\u9375\u5373\u5c07\u904e\u671f\u6642\uff0c\u767c\u9001\u901a\u77e5\u4ee5\u89f8\u767c\u91cd\u69cb\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac-ZHdEBkNcSe\">3. \u4f7f\u7528Lua\u8173\u672c<\/h3>\n<p>Redis\u652f\u6301Lua\u8173\u672c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u7de8\u5beb\u8173\u672c\u4f86\u6aa2\u67e5\u9375\u7684\u904e\u671f\u72c0\u614b\u4e26\u9032\u884c\u91cd\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>local ttl = redis.call('TTL', KEYS[1])\nif ttl &lt; 60 then\n    redis.call('SET', KEYS[1], ARGV[1])\nend<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u6aa2\u67e5\u9375\u7684TTL\uff0c\u5982\u679c\u5c0f\u65bc60\u79d2\uff0c\u5247\u66f4\u65b0\u8a72\u9375\u7684\u503c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZHdEBkNcSe\">\u7d50\u8ad6<\/h2>\n<p>\u91cd\u69cbRedis\u4e2d\u7684\u9375\u503c\u6578\u64da\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u662f\u5fc5\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u66f4\u65b0\u6578\u64da\u6216\u91cb\u653e\u8cc7\u6e90\u7684\u60c5\u6cc1\u4e0b\u3002\u901a\u904e\u4f7f\u7528TTL\u547d\u4ee4\u3001\u904e\u671f\u56de\u8abf\u548cLua\u8173\u672c\u7b49\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u91cd\u69cb\u5373\u5c07\u904e\u671f\u7684\u9375\u503c\u6578\u64da\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u7528\u6236\u7372\u5f97\u6700\u65b0\u7684\u4fe1\u606f\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\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\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\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728Redis\u4e2d\u91cd\u69cb\u9375\u503c\u904e\u671f\u6a5f\u5236\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u6700\u4f73\u5be6\u8e10\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-196578","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196578","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=196578"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196578\/revisions"}],"predecessor-version":[{"id":196579,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196578\/revisions\/196579"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}