{"id":185620,"date":"2024-11-10T23:06:25","date_gmt":"2024-11-10T15:06:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185620\/"},"modified":"2024-11-10T23:06:26","modified_gmt":"2024-11-10T15:06:26","slug":"%e9%87%8b%e6%94%be%e5%85%a7%e5%ad%98%e6%b8%85%e9%99%a4redis%e7%9a%84%e7%84%a1%e7%94%a8%e9%8d%b5%ef%bc%88redis%e6%b8%85%e9%99%a4%e7%84%a1%e7%94%a8%e7%9a%84%e9%8d%b5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185620\/","title":{"rendered":"\u91cb\u653e\u5167\u5b58\u6e05\u9664Redis\u7684\u7121\u7528\u9375\uff08redis\u6e05\u9664\u7121\u7528\u7684\u9375\uff09"},"content":{"rendered":"<h1 id=\"%e9%87%8b%e6%94%be%e5%85%a7%e5%ad%98%e6%b8%85%e9%99%a4redis%e7%9a%84%e7%84%a1%e7%94%a8%e9%8d%b5%ef%bc%88redis%e6%b8%85%e9%99%a4%e7%84%a1%e7%94%a8%e7%9a%84%e9%8d%b5%ef%bc%89-LdqbGAMKHu\">\u91cb\u653e\u5167\u5b58\u6e05\u9664Redis\u7684\u7121\u7528\u9375\uff08redis\u6e05\u9664\u7121\u7528\u7684\u9375\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\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\uff0cRedis\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u7684\u7121\u7528\u9375\uff0c\u9019\u4e9b\u7121\u7528\u9375\u4e0d\u50c5\u4f54\u7528\u5167\u5b58\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u9664\u7121\u7528\u9375\u662f\u7dad\u6301Redis\u6027\u80fd\u7684\u95dc\u9375\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%84%a1%e7%94%a8%e9%8d%b5%ef%bc%9f-LdqbGAMKHu\">\u4ec0\u9ebc\u662f\u7121\u7528\u9375\uff1f<\/h2>\n<p>\u7121\u7528\u9375\u662f\u6307\u5728Redis\u4e2d\u5b58\u5132\u7684\uff0c\u4f46\u4e0d\u518d\u88ab\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684\u9375\u3002\u9019\u4e9b\u9375\u53ef\u80fd\u662f\u7531\u65bc\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\u7684\u8b8a\u66f4\u3001\u904e\u671f\u7684\u6578\u64da\u6216\u662f\u932f\u8aa4\u7684\u6578\u64da\u63d2\u5165\u800c\u7522\u751f\u7684\u3002\u7121\u7528\u9375\u7684\u5b58\u5728\u6703\u5c0e\u81f4\u5167\u5b58\u6d6a\u8cbb\uff0c\u4e26\u53ef\u80fd\u5f71\u97ffRedis\u7684\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e9%99%a4%e7%84%a1%e7%94%a8%e9%8d%b5%ef%bc%9f-LdqbGAMKHu\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u9664\u7121\u7528\u9375\uff1f<\/h2>\n<ul>\n<li><strong>\u5167\u5b58\u7ba1\u7406\uff1a<\/strong>Redis\u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5167\u5b58\u7684\u6709\u6548\u7ba1\u7406\u5c0d\u65bc\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u7121\u7528\u9375\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u5c0e\u81f4\u53ef\u7528\u5167\u5b58\u6e1b\u5c11\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u96a8\u8457\u7121\u7528\u9375\u7684\u589e\u52a0\uff0cRedis\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u6027\u80fd\u53ef\u80fd\u6703\u4e0b\u964d\u3002\u6e05\u9664\u7121\u7528\u9375\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u6709\u52a9\u65bc\u7dad\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\uff0c\u907f\u514d\u56e0\u70ba\u904e\u671f\u6216\u7121\u7528\u7684\u6578\u64da\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b8%85%e9%99%a4%e7%84%a1%e7%94%a8%e9%8d%b5%ef%bc%9f-LdqbGAMKHu\">\u5982\u4f55\u6e05\u9664\u7121\u7528\u9375\uff1f<\/h2>\n<p>\u6e05\u9664Redis\u4e2d\u7684\u7121\u7528\u9375\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u9032\u884c\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-LdqbGAMKHu\">1. \u4f7f\u7528\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\uff0c\u7576\u9375\u8d85\u904e\u6307\u5b9a\u7684\u6642\u9593\u5f8c\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u9019\u4e9b\u9375\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET mykey \"Hello\" EX 10<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07\u572810\u79d2\u5f8c\u81ea\u52d5\u522a\u9664\u9375\u201cmykey\u201d\u3002\u9019\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7ba1\u7406\u7121\u7528\u9375\u7684\u65b9\u6cd5\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4-LdqbGAMKHu\">2. \u4f7f\u7528SCAN\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u624b\u52d5\u6e05\u9664\u7121\u7528\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4f7f\u7528KEYS\u547d\u4ee4\u5e36\u4f86\u7684\u6027\u80fd\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>SCAN 0 MATCH pattern COUNT 100<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u7b26\u5408\u6307\u5b9a\u6a21\u5f0f\u7684\u9375\uff0c\u4e26\u4e14\u6bcf\u6b21\u8fd4\u56de100\u500b\u9375\u3002\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u9032\u4e00\u6b65\u7684\u8655\u7406\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8unlink%e5%91%bd%e4%bb%a4-LdqbGAMKHu\">3. \u4f7f\u7528UNLINK\u547d\u4ee4<\/h3>\n<p>\u5728\u78ba\u5b9a\u67d0\u4e9b\u9375\u70ba\u7121\u7528\u9375\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528UNLINK\u547d\u4ee4\u4f86\u522a\u9664\u5b83\u5011\u3002UNLINK\u547d\u4ee4\u7684\u512a\u52e2\u5728\u65bc\u5b83\u662f\u975e\u963b\u585e\u7684\uff0c\u9019\u610f\u5473\u8457\u5b83\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u64cd\u4f5c\u7684\u57f7\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>UNLINK mykey<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e7%ad%96%e7%95%a5-LdqbGAMKHu\">4. \u4f7f\u7528Redis\u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u5982LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u548cLFU\uff08\u6700\u4e0d\u5e38\u4f7f\u7528\uff09\u3002\u9019\u4e9b\u7b56\u7565\u53ef\u4ee5\u81ea\u52d5\u6e05\u9664\u7121\u7528\u9375\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u3002\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u6216\u547d\u4ee4\u884c\u8a2d\u7f6e\u9019\u4e9b\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-LdqbGAMKHu\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u9664Redis\u4e2d\u7684\u7121\u7528\u9375\u662f\u7dad\u6301\u7cfb\u7d71\u6027\u80fd\u548c\u5167\u5b58\u7ba1\u7406\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528SCAN\u548cUNLINK\u547d\u4ee4\u4ee5\u53ca\u5408\u7406\u914d\u7f6e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u91cb\u653e\u5167\u5b58\u4e26\u63d0\u9ad8Redis\u7684\u904b\u884c\u6548\u7387\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u7121\u7528\u9375\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u9ad8\u6548\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\u7684Redis\u670d\u52d9\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\u548c\u9ad8\u6548\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u91cb\u653e\u5167\u5b58\uff0c\u6e05\u9664Redis\u4e2d\u7684\u7121\u7528\u9375\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\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-185620","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185620","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=185620"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185620\/revisions"}],"predecessor-version":[{"id":185621,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185620\/revisions\/185621"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}