{"id":127915,"date":"2024-10-26T10:15:19","date_gmt":"2024-10-26T02:15:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/127915\/"},"modified":"2024-10-26T10:15:20","modified_gmt":"2024-10-26T02:15:20","slug":"redis-%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e5%89%a9%e9%a4%98%e4%bd%bf%e7%94%a8%e6%99%82%e9%95%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/127915\/","title":{"rendered":"Redis \u5982\u4f55\u67e5\u770b\u5269\u9918\u4f7f\u7528\u6642\u9577"},"content":{"rendered":"<h1 id=\"redis-%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e5%89%a9%e9%a4%98%e4%bd%bf%e7%94%a8%e6%99%82%e9%95%b7-bndNnmkbTH\">Redis \u5982\u4f55\u67e5\u770b\u5269\u9918\u4f7f\u7528\u6642\u9577<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u4f5c\u70ba\u4e00\u500b\u958b\u6e90\u7684 NoSQL \u6578\u64da\u5eab\uff0cRedis \u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\uff0c\u5176\u4e2d\u5305\u62ec\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u7576\u4e00\u500b\u9375\u88ab\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u5f8c\uff0c\u4e86\u89e3\u5176\u5269\u9918\u4f7f\u7528\u6642\u9577\u5c0d\u65bc\u8cc7\u6e90\u7ba1\u7406\u548c\u6027\u80fd\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Redis \u4e2d\u67e5\u770b\u9375\u7684\u5269\u9918\u4f7f\u7528\u6642\u9577\u3002<\/p>\n<h2 id=\"redis-%e9%8d%b5%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e8%a8%ad%e7%bd%ae-bndNnmkbTH\">Redis \u9375\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u500b\u547d\u4ee4\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1a\u9375\u540d\u548c\u904e\u671f\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE mykey 300<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07\u6703\u4f7f\u5f97\u9375 <code>mykey<\/code> \u5728 300 \u79d2\u5f8c\u904e\u671f\u3002\u9664\u4e86 <code>EXPIRE<\/code>\uff0cRedis \u9084\u63d0\u4f9b\u4e86 <code>PEXPIRE<\/code> \u547d\u4ee4\uff0c\u8a72\u547d\u4ee4\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e5%89%a9%e9%a4%98%e4%bd%bf%e7%94%a8%e6%99%82%e9%95%b7-bndNnmkbTH\">\u67e5\u770b\u5269\u9918\u4f7f\u7528\u6642\u9577<\/h2>\n<p>\u8981\u67e5\u770b\u4e00\u500b\u9375\u7684\u5269\u9918\u4f7f\u7528\u6642\u9577\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6307\u5b9a\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2\uff1b\u5982\u679c\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<p>\u5982\u679c <code>mykey<\/code> \u9084\u6709 150 \u79d2\u7684\u5269\u9918\u4f7f\u7528\u6642\u9577\uff0c\u5247\u6703\u8fd4\u56de 150\u3002\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2\uff1b\u5982\u679c\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-pttl-%e5%91%bd%e4%bb%a4-bndNnmkbTH\">\u4f7f\u7528 PTTL \u547d\u4ee4<\/h2>\n<p>\u9664\u4e86 <code>TTL<\/code> \u547d\u4ee4\uff0cRedis \u9084\u63d0\u4f9b\u4e86 <code>PTTL<\/code> \u547d\u4ee4\uff0c\u8a72\u547d\u4ee4\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u8fd4\u56de\u9375\u7684\u5269\u9918\u4f7f\u7528\u6642\u9577\u3002\u9019\u5c0d\u65bc\u9700\u8981\u66f4\u7cbe\u78ba\u6642\u9593\u63a7\u5236\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>PTTL<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>PTTL mykey<\/code><\/pre>\n<p>\u5982\u679c <code>mykey<\/code> \u9084\u6709 1500 \u6beb\u79d2\u7684\u5269\u9918\u4f7f\u7528\u6642\u9577\uff0c\u5247\u6703\u8fd4\u56de 1500\u3002\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2\uff1b\u5982\u679c\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-bndNnmkbTH\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u4f7f\u7528 <code>TTL<\/code> \u548c <code>PTTL<\/code> \u547d\u4ee4\u6642\uff0c\u8acb\u78ba\u4fdd\u9375\u5b58\u5728\uff0c\u5426\u5247\u5c07\u7121\u6cd5\u7372\u53d6\u6b63\u78ba\u7684\u5269\u9918\u4f7f\u7528\u6642\u9577\u3002<\/li>\n<li>\u904e\u671f\u6642\u9593\u7684\u8a2d\u7f6e\u548c\u67e5\u8a62\u5c0d\u65bc\u6027\u80fd\u512a\u5316\u81f3\u95dc\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\u5b9a\u671f\u6aa2\u67e5\u9375\u7684\u72c0\u614b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9\u4f86\u81ea\u52d5\u57f7\u884c <code>TTL<\/code> \u6216 <code>PTTL<\/code> \u547d\u4ee4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bndNnmkbTH\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b Redis \u9375\u7684\u5269\u9918\u4f7f\u7528\u6642\u9577\u5c0d\u65bc\u6709\u6548\u7ba1\u7406\u8cc7\u6e90\u548c\u512a\u5316\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 <code>TTL<\/code> \u548c <code>PTTL<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u9375\u7684\u904e\u671f\u4fe1\u606f\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u8abf\u6574\u548c\u512a\u5316\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 Redis \u4e2d\u67e5\u770b\u5269\u9918\u4f7f\u7528\u6642\u9577\uff0c\u78ba\u4fdd\u6709\u6548\u7ba1\u7406\u8cc7\u6e90\u548c\u512a\u5316\u6027\u80fd\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-127915","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127915","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=127915"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127915\/revisions"}],"predecessor-version":[{"id":127916,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/127915\/revisions\/127916"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=127915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=127915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=127915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}