{"id":190968,"date":"2024-11-12T16:00:20","date_gmt":"2024-11-12T08:00:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190968\/"},"modified":"2024-11-12T16:00:21","modified_gmt":"2024-11-12T08:00:21","slug":"%e9%99%90%e5%88%b6redis%e5%85%a7%e5%ad%98%e5%ae%b9%e9%87%8f%e7%9a%84%e5%91%bd%e4%bb%a4%e6%8a%80%e5%b7%a7%ef%bc%88redis%e7%9a%84%e5%85%a7%e5%ad%98%e5%ae%b9%e9%87%8f%e5%91%bd%e4%bb%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190968\/","title":{"rendered":"\u9650\u5236Redis\u5167\u5b58\u5bb9\u91cf\u7684\u547d\u4ee4\u6280\u5de7\uff08redis\u7684\u5167\u5b58\u5bb9\u91cf\u547d\u4ee4\uff09"},"content":{"rendered":"<h1 id=\"%e9%99%90%e5%88%b6redis%e5%85%a7%e5%ad%98%e5%ae%b9%e9%87%8f%e7%9a%84%e5%91%bd%e4%bb%a4%e6%8a%80%e5%b7%a7%ef%bc%88redis%e7%9a%84%e5%85%a7%e5%ad%98%e5%ae%b9%e9%87%8f%e5%91%bd%e4%bb%a4%ef%bc%89-hNBrWwxPXx\">\u9650\u5236Redis\u5167\u5b58\u5bb9\u91cf\u7684\u547d\u4ee4\u6280\u5de7\uff08redis\u7684\u5167\u5b58\u5bb9\u91cf\u547d\u4ee4\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\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u5728\u5167\u5b58\u4e2d\u904b\u884c\uff0c\u5408\u7406\u7ba1\u7406Redis\u7684\u5167\u5b58\u4f7f\u7528\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u9650\u5236Redis\u7684\u5167\u5b58\u5bb9\u91cf\uff0c\u4e26\u4ecb\u7d39\u76f8\u95dc\u7684\u547d\u4ee4\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%99%90%e5%88%b6redis%e5%85%a7%e5%ad%98%e5%ae%b9%e9%87%8f-hNBrWwxPXx\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9650\u5236Redis\u5167\u5b58\u5bb9\u91cf<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u6642\uff0c\u904e\u591a\u7684\u5167\u5b58\u4f7f\u7528\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f71\u97ff\u5176\u4ed6\u61c9\u7528\u7684\u904b\u884c\u3002\u9650\u5236Redis\u7684\u5167\u5b58\u5bb9\u91cf\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\uff1a<\/p>\n<ul>\n<li>\u9632\u6b62\u5167\u5b58\u6ea2\u51fa\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u3002<\/li>\n<li>\u63d0\u9ad8\u8cc7\u6e90\u5229\u7528\u7387\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<li>\u6839\u64da\u696d\u52d9\u9700\u6c42\u9748\u6d3b\u8abf\u6574\u5167\u5b58\u4f7f\u7528\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4-hNBrWwxPXx\">Redis\u5167\u5b58\u9650\u5236\u7684\u57fa\u672c\u547d\u4ee4<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<h3 id=\"1-maxmemory-hNBrWwxPXx\">1. maxmemory<\/h3>\n<p>\u4f7f\u7528 <code>maxmemory<\/code> \u547d\u4ee4\u53ef\u4ee5\u8a2d\u7f6eRedis\u7684\u6700\u5927\u5167\u5b58\u9650\u5236\u3002\u7576Redis\u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0c\u5c07\u6839\u64da\u914d\u7f6e\u7684\u9a45\u9010\u7b56\u7565\u4f86\u8655\u7406\u8d85\u51fa\u90e8\u5206\u7684\u6578\u64da\u3002<\/p>\n<pre><code>CONFIG SET maxmemory 100mb<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07Redis\u7684\u6700\u5927\u5167\u5b58\u9650\u5236\u8a2d\u7f6e\u70ba100MB\u3002<\/p>\n<h3 id=\"2-maxmemory-policy-hNBrWwxPXx\">2. maxmemory-policy<\/h3>\n<p>\u7576Redis\u9054\u5230\u8a2d\u5b9a\u7684\u6700\u5927\u5167\u5b58\u9650\u5236\u5f8c\uff0c\u5fc5\u9808\u9078\u64c7\u4e00\u7a2e\u9a45\u9010\u7b56\u7565\u3002\u53ef\u4ee5\u4f7f\u7528 <code>maxmemory-policy<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9019\u4e00\u7b56\u7565\u3002\u5e38\u898b\u7684\u9a45\u9010\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>noeviction<\/code>\uff1a\u4e0d\u9a45\u9010\u4efb\u4f55\u6578\u64da\uff0c\u7576\u5167\u5b58\u6eff\u6642\uff0c\u5beb\u5165\u64cd\u4f5c\u5c07\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><code>allkeys-lru<\/code>\uff1a\u9a45\u9010\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/li>\n<li><code>volatile-lru<\/code>\uff1a\u50c5\u9a45\u9010\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<li><code>allkeys-random<\/code>\uff1a\u96a8\u6a5f\u9a45\u9010\u9375\u3002<\/li>\n<li><code>volatile-random<\/code>\uff1a\u96a8\u6a5f\u9a45\u9010\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u8a2d\u7f6e\u4e86\u4f7f\u7528LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u4f86\u9a45\u9010\u9375\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-hNBrWwxPXx\">3. \u4f7f\u7528\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u66f4\u597d\u5730\u7ba1\u7406\u5167\u5b58\uff0c\u53ef\u4ee5\u70ba\u67d0\u4e9b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u53ef\u4ee5\u70ba\u9375\u8a2d\u7f6e\u751f\u5b58\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<pre><code>EXPIRE mykey 60<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07 <code>mykey<\/code> \u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba60\u79d2\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7redis%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-hNBrWwxPXx\">\u76e3\u63a7Redis\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u7ba1\u7406Redis\u7684\u5167\u5b58\u4f7f\u7528\uff0c\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u72c0\u614b\u662f\u5fc5\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 <code>INFO memory<\/code> \u547d\u4ee4\u4f86\u67e5\u770bRedis\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u7e3d\u5167\u5b58\u3001\u5df2\u7528\u5167\u5b58\u548c\u6700\u5927\u5167\u5b58\u7b49\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hNBrWwxPXx\">\u7d50\u8ad6<\/h2>\n<p>\u5408\u7406\u9650\u5236Redis\u7684\u5167\u5b58\u5bb9\u91cf\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u6709\u6548\u5229\u7528\u8cc7\u6e90\u3002\u901a\u904e\u4f7f\u7528 <code>maxmemory<\/code> \u548c <code>maxmemory-policy<\/code> \u7b49\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u9748\u6d3b\u5730\u7ba1\u7406Redis\u7684\u5167\u5b58\u4f7f\u7528\u3002\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u72c0\u614b\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\uff0c\u5c07\u6709\u52a9\u65bc\u4fdd\u6301\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5167\u5b58\u5bb9\u91cf\u9650\u5236\u7684\u547d\u4ee4\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u512a\u5316Redis\u7684\u5167\u5b58\u4f7f\u7528\uff0c\u63d0\u5347\u6027\u80fd\u8207\u7a69\u5b9a\u6027\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-190968","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190968","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=190968"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190968\/revisions"}],"predecessor-version":[{"id":190969,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190968\/revisions\/190969"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}