{"id":154047,"date":"2024-11-02T12:31:19","date_gmt":"2024-11-02T04:31:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154047\/"},"modified":"2024-11-02T12:31:20","modified_gmt":"2024-11-02T04:31:20","slug":"%e7%9a%84%e5%8e%9f%e5%9b%a0redis%e7%b7%a9%e5%ad%98%e6%99%82%e9%96%93%e5%a4%b1%e6%95%88%e7%9a%84%e5%88%86%e6%9e%90%e8%88%87%e8%a7%a3%e6%b1%ba%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e6%99%82%e9%96%93%e7%84%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154047\/","title":{"rendered":"\u7684\u539f\u56e0Redis\u7de9\u5b58\u6642\u9593\u5931\u6548\u7684\u5206\u6790\u8207\u89e3\u6c7a\uff08redis \u7de9\u5b58\u6642\u9593\u7121\u6548\uff09"},"content":{"rendered":"<h1 id=\"%e7%9a%84%e5%8e%9f%e5%9b%a0redis%e7%b7%a9%e5%ad%98%e6%99%82%e9%96%93%e5%a4%b1%e6%95%88%e7%9a%84%e5%88%86%e6%9e%90%e8%88%87%e8%a7%a3%e6%b1%ba%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e6%99%82%e9%96%93%e7%84%a1-wgHYzoEBhn\">\u7684\u539f\u56e0Redis\u7de9\u5b58\u6642\u9593\u5931\u6548\u7684\u5206\u6790\u8207\u89e3\u6c7a\uff08redis \u7de9\u5b58\u6642\u9593\u7121\u6548\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u548c\u6578\u64da\u5b58\u5132\u3002\u7136\u800c\uff0c\u5728\u5be6\u969b\u4f7f\u7528\u4e2d\uff0c\u8a31\u591a\u958b\u767c\u8005\u6703\u9047\u5230\u7de9\u5b58\u6642\u9593\u5931\u6548\u7684\u554f\u984c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u6027\u80fd\u4e0b\u964d\u6216\u6578\u64da\u4e0d\u4e00\u81f4\u3002\u672c\u6587\u5c07\u5206\u6790Redis\u7de9\u5b58\u6642\u9593\u5931\u6548\u7684\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81redis%e7%b7%a9%e5%ad%98%e6%99%82%e9%96%93%e5%a4%b1%e6%95%88%e7%9a%84%e5%8e%9f%e5%9b%a0-wgHYzoEBhn\">\u4e00\u3001Redis\u7de9\u5b58\u6642\u9593\u5931\u6548\u7684\u539f\u56e0<\/h2>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e4%b8%8d%e7%95%b6-wgHYzoEBhn\">1. \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4e0d\u7576<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u662f\u901a\u904e\u547d\u4ee4\u5982 <code>EXPIRE<\/code> \u6216 <code>SETEX<\/code> \u4f86\u5be6\u73fe\u7684\u3002\u5982\u679c\u8a2d\u7f6e\u7684\u904e\u671f\u6642\u9593\u904e\u77ed\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u7de9\u5b58\u904e\u65e9\u5931\u6548\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET mykey \"value\" EX 10<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07 <code>mykey<\/code> \u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba10\u79d2\uff0c\u82e5\u572810\u79d2\u5167\u672a\u80fd\u518d\u6b21\u8a2a\u554f\u8a72\u9375\uff0c\u5247\u8a72\u9375\u5c07\u88ab\u81ea\u52d5\u522a\u9664\u3002<\/p>\n<h3 id=\"2-%e5%85%a7%e5%ad%98%e4%b8%8d%e8%b6%b3-wgHYzoEBhn\">2. \u5167\u5b58\u4e0d\u8db3<\/h3>\n<p>Redis\u4f7f\u7528\u5167\u5b58\u4f86\u5b58\u5132\u6578\u64da\uff0c\u7576\u5167\u5b58\u4e0d\u8db3\u6642\uff0cRedis\u6703\u6839\u64da\u914d\u7f6e\u7684\u6dd8\u6c70\u7b56\u7565\u81ea\u52d5\u522a\u9664\u4e00\u4e9b\u9375\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u67d0\u4e9b\u7de9\u5b58\u6578\u64da\u5728\u9810\u671f\u7684\u904e\u671f\u6642\u9593\u4e4b\u524d\u5c31\u88ab\u522a\u9664\u3002\u5e38\u898b\u7684\u6dd8\u6c70\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>volatile-lru\uff1a\u50c5\u522a\u9664\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\uff0c\u4f7f\u7528LRU\u7b97\u6cd5\u3002<\/li>\n<li>allkeys-lru\uff1a\u522a\u9664\u6240\u6709\u9375\uff0c\u4f7f\u7528LRU\u7b97\u6cd5\u3002<\/li>\n<li>volatile-random\uff1a\u96a8\u6a5f\u522a\u9664\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e9%8c%af%e8%aa%a4%e7%9a%84%e6%99%82%e9%96%93%e8%a8%ad%e7%bd%ae-wgHYzoEBhn\">3. \u932f\u8aa4\u7684\u6642\u9593\u8a2d\u7f6e<\/h3>\n<p>\u5982\u679cRedis\u670d\u52d9\u5668\u7684\u7cfb\u7d71\u6642\u9593\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u904e\u671f\u6642\u9593\u8a08\u7b97\u932f\u8aa4\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u5efa\u8b70\u6aa2\u67e5\u670d\u52d9\u5668\u7684\u6642\u9593\u540c\u6b65\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u4f7f\u7528NTP\u670d\u52d9\u4f86\u4fdd\u6301\u6642\u9593\u7684\u6e96\u78ba\u6027\u3002<\/p>\n<h3 id=\"4-%e5%ae%a2%e6%88%b6%e7%ab%af%e9%8c%af%e8%aa%a4-wgHYzoEBhn\">4. \u5ba2\u6236\u7aef\u932f\u8aa4<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5ba2\u6236\u7aef\u7684\u4ee3\u78bc\u908f\u8f2f\u932f\u8aa4\u4e5f\u53ef\u80fd\u5c0e\u81f4\u7de9\u5b58\u5931\u6548\u3002\u4f8b\u5982\uff0c\u82e5\u5728\u6bcf\u6b21\u8acb\u6c42\u6642\u90fd\u91cd\u65b0\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7de9\u5b58\u672a\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u932f\u8aa4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>if (cacheMiss) {\n    SET mykey \"value\" EX 10; \/\/ \u6bcf\u6b21\u90fd\u91cd\u8a2d\u904e\u671f\u6642\u9593\n}<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u4ee3\u78bc\u6703\u5c0e\u81f4\u7de9\u5b58\u7684\u6709\u6548\u6027\u7121\u6cd5\u6301\u7e8c\uff0c\u56e0\u70ba\u6bcf\u6b21\u8acb\u6c42\u90fd\u6703\u91cd\u7f6e\u904e\u671f\u6642\u9593\u3002<\/p>\n<h2 id=\"%e4%ba%8c%e3%80%81%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-wgHYzoEBhn\">\u4e8c\u3001\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e6%ad%a3%e7%a2%ba%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-wgHYzoEBhn\">1. \u6b63\u78ba\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u6642\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u5408\u7406\u8a2d\u7f6e\uff0c\u907f\u514d\u904e\u77ed\u7684\u904e\u671f\u6642\u9593\u5f71\u97ff\u7de9\u5b58\u7684\u6709\u6548\u6027\u3002\u53ef\u4ee5\u901a\u904e\u5206\u6790\u6578\u64da\u8a2a\u554f\u6a21\u5f0f\u4f86\u78ba\u5b9a\u5408\u9069\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n<h3 id=\"2-%e5%a2%9e%e5%8a%a0%e5%85%a7%e5%ad%98%e9%85%8d%e7%bd%ae-wgHYzoEBhn\">2. \u589e\u52a0\u5167\u5b58\u914d\u7f6e<\/h3>\n<p>\u5982\u679cRedis\u7d93\u5e38\u51fa\u73fe\u5167\u5b58\u4e0d\u8db3\u7684\u60c5\u6cc1\uff0c\u53ef\u4ee5\u8003\u616e\u589e\u52a0\u5167\u5b58\u914d\u7f6e\u6216\u8abf\u6574\u6dd8\u6c70\u7b56\u7565\uff0c\u4ee5\u78ba\u4fdd\u91cd\u8981\u7684\u7de9\u5b58\u6578\u64da\u4e0d\u6703\u88ab\u610f\u5916\u522a\u9664\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%99%82%e9%96%93%e8%a8%ad%e7%bd%ae-wgHYzoEBhn\">3. \u6aa2\u67e5\u6642\u9593\u8a2d\u7f6e<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5Redis\u670d\u52d9\u5668\u7684\u7cfb\u7d71\u6642\u9593\uff0c\u78ba\u4fdd\u5176\u8207NTP\u670d\u52d9\u540c\u6b65\uff0c\u907f\u514d\u56e0\u6642\u9593\u932f\u8aa4\u5c0e\u81f4\u7684\u7de9\u5b58\u5931\u6548\u554f\u984c\u3002<\/p>\n<h3 id=\"4-%e5%84%aa%e5%8c%96%e5%ae%a2%e6%88%b6%e7%ab%af%e4%bb%a3%e7%a2%bc-wgHYzoEBhn\">4. \u512a\u5316\u5ba2\u6236\u7aef\u4ee3\u78bc<\/h3>\n<p>\u5728\u5ba2\u6236\u7aef\u4ee3\u78bc\u4e2d\uff0c\u61c9\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u91cd\u8a2d\u904e\u671f\u6642\u9593\uff0c\u4e26\u78ba\u4fdd\u7de9\u5b58\u908f\u8f2f\u7684\u6b63\u78ba\u6027\u3002\u53ef\u4ee5\u4f7f\u7528 <code>SET mykey \"value\" NX EX 10<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u503c\uff0c\u50c5\u5728\u9375\u4e0d\u5b58\u5728\u6642\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wgHYzoEBhn\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7de9\u5b58\u6642\u9593\u5931\u6548\u7684\u554f\u984c\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u5305\u62ec\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u4e0d\u7576\u3001\u5167\u5b58\u4e0d\u8db3\u3001\u6642\u9593\u8a2d\u7f6e\u932f\u8aa4\u53ca\u5ba2\u6236\u7aef\u4ee3\u78bc\u554f\u984c\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u589e\u52a0\u5167\u5b58\u914d\u7f6e\u3001\u6aa2\u67e5\u6642\u9593\u8a2d\u7f6e\u53ca\u512a\u5316\u5ba2\u6236\u7aef\u4ee3\u78bc\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u61c9\u7528\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u6790Redis\u7de9\u5b58\u6642\u9593\u5931\u6548\u7684\u539f\u56e0\uff0c\u63d0\u4f9b\u6709\u6548\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u512a\u5316\u7de9\u5b58\u7ba1\u7406\uff0c\u63d0\u5347\u7cfb\u7d71\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-154047","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154047","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=154047"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154047\/revisions"}],"predecessor-version":[{"id":154048,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154047\/revisions\/154048"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}