{"id":116244,"date":"2024-10-24T15:23:52","date_gmt":"2024-10-24T07:23:52","guid":{"rendered":"https:\/\/server.hk\/cnblog\/116244\/"},"modified":"2024-10-24T15:23:53","modified_gmt":"2024-10-24T07:23:53","slug":"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e9%99%a4%e6%8a%80%e5%b7%a7%e8%bc%95%e9%ac%86%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/116244\/","title":{"rendered":"Redis \u5feb\u53d6\u6e05\u9664\u6280\u5de7\u8f15\u9b06\u6e05\u7406\u5feb\u53d6"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e9%99%a4%e6%8a%80%e5%b7%a7%e8%bc%95%e9%ac%86%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96-LQomwdFEdQ\">Redis \u5feb\u53d6\u6e05\u9664\u6280\u5de7\u8f15\u9b06\u6e05\u7406\u5feb\u53d6<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u7406\u5feb\u53d6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5feb\u53d6\u6e05\u9664\u7684\u6280\u5de7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u7ba1\u7406\u5feb\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-LQomwdFEdQ\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%ef%bc%9f-LQomwdFEdQ\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u5feb\u53d6\uff1f<\/h2>\n<p>\u5feb\u53d6\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\uff0c\u4f46\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\u6027\uff1a<\/strong>\u904e\u6642\u7684\u5feb\u53d6\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u986f\u793a\u4e0d\u6b63\u78ba\u7684\u4fe1\u606f\u3002<\/li>\n<li><strong>\u5167\u5b58\u6d6a\u8cbb\uff1a<\/strong>\u4e0d\u5fc5\u8981\u7684\u5feb\u53d6\u6578\u64da\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u904e\u591a\u7684\u5feb\u53d6\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e9%99%a4%e6%8a%80%e5%b7%a7-LQomwdFEdQ\">Redis \u5feb\u53d6\u6e05\u9664\u6280\u5de7<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-expire-%e5%91%bd%e4%bb%a4-LQomwdFEdQ\">1. \u4f7f\u7528 EXPIRE \u547d\u4ee4<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86 EXPIRE \u547d\u4ee4\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u662f\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u6e05\u7406\u5feb\u53d6\u7684\u65b9\u6cd5\u3002<\/p>\n<pre><code>EXPIRE mykey 60  \/\/ \u8a2d\u7f6e mykey \u5728 60 \u79d2\u5f8c\u904e\u671f<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-ttl-%e5%91%bd%e4%bb%a4-LQomwdFEdQ\">2. \u4f7f\u7528 TTL \u547d\u4ee4<\/h3>\n<p>TTL \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u67e5\u8a62\u67d0\u500b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u3002\u9019\u5c0d\u65bc\u76e3\u63a7\u5feb\u53d6\u7684\u72c0\u614b\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre><code>TTL mykey  \/\/ \u67e5\u8a62 mykey \u7684\u5269\u9918\u751f\u5b58\u6642\u9593<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-del-%e5%91%bd%e4%bb%a4-LQomwdFEdQ\">3. \u4f7f\u7528 DEL \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u7acb\u5373\u522a\u9664\u67d0\u500b\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528 DEL \u547d\u4ee4\u3002\u9019\u5c0d\u65bc\u624b\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u5feb\u53d6\u6578\u64da\u975e\u5e38\u6709\u6548\u3002<\/p>\n<pre><code>DEL mykey  \/\/ \u522a\u9664 mykey<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8-flushall-%e5%92%8c-flushdb-%e5%91%bd%e4%bb%a4-LQomwdFEdQ\">4. \u4f7f\u7528 FLUSHALL \u548c FLUSHDB \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b Redis \u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528 FLUSHALL \u547d\u4ee4\u3002\u9019\u5c07\u522a\u9664\u6240\u6709\u6578\u64da\uff0c\u9700\u8b39\u614e\u4f7f\u7528\u3002FLUSHDB \u547d\u4ee4\u5247\u50c5\u6e05\u7a7a\u7576\u524d\u6578\u64da\u5eab\u3002<\/p>\n<pre><code>FLUSHALL  \/\/ \u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\nFLUSHDB   \/\/ \u6e05\u7a7a\u7576\u524d\u6578\u64da\u5eab<\/code><\/pre>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8-lru-%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-LQomwdFEdQ\">5. \u4f7f\u7528 LRU \u9a45\u9010\u7b56\u7565<\/h3>\n<p>Redis \u652f\u6301\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u5176\u4e2d LRU\uff08Least Recently Used\uff09\u7b56\u7565\u53ef\u4ee5\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002\u9019\u5c0d\u65bc\u52d5\u614b\u7ba1\u7406\u5feb\u53d6\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru  \/\/ \u8a2d\u7f6e LRU \u9a45\u9010\u7b56\u7565<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-LQomwdFEdQ\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u7406 Redis \u5feb\u53d6\u662f\u4fdd\u6301\u61c9\u7528\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528 EXPIRE\u3001TTL\u3001DEL\u3001FLUSHALL\u3001FLUSHDB \u548c LRU \u9a45\u9010\u7b56\u7565\u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7ba1\u7406\u5feb\u53d6\u6578\u64da\uff0c\u78ba\u4fdd\u7cfb\u7d71\u904b\u884c\u7684\u9ad8\u6548\u6027\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 \u5be6\u4f8b\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\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>\u638c\u63e1Redis\u5feb\u53d6\u6e05\u9664\u6280\u5de7\uff0c\u8f15\u9b06\u7ba1\u7406\u8207\u6e05\u7406\u5feb\u53d6\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u5373\u6642\u66f4\u65b0\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-116244","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116244","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=116244"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116244\/revisions"}],"predecessor-version":[{"id":116245,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116244\/revisions\/116245"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=116244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=116244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=116244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}