{"id":179392,"date":"2024-11-09T01:26:19","date_gmt":"2024-11-08T17:26:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179392\/"},"modified":"2024-11-09T01:26:20","modified_gmt":"2024-11-08T17:26:20","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%ef%bc%88redis-%e8%a8%ad%e7%bd%ae-size%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179392\/","title":{"rendered":"\u5982\u4f55\u512a\u5316 Redis \u5167\u5b58\u4f7f\u7528\uff08redis \u8a2d\u7f6e size\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-redis-%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%ef%bc%88redis-%e8%a8%ad%e7%bd%ae-size%ef%bc%89-flnKRBvdPn\">\u5982\u4f55\u512a\u5316 Redis \u5167\u5b58\u4f7f\u7528\uff08redis \u8a2d\u7f6e size\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\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5eab\u7b49\u5834\u666f\u3002\u7531\u65bc\u5176\u5728\u5167\u5b58\u4e2d\u904b\u884c\u7684\u7279\u6027\uff0c\u5408\u7406\u7684\u5167\u5b58\u7ba1\u7406\u5c0d\u65bc\u63d0\u5347\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u512a\u5316 Redis \u7684\u5167\u5b58\u4f7f\u7528\uff0c\u7279\u5225\u662f\u5982\u4f55\u8a2d\u7f6e Redis \u7684\u5167\u5b58\u5927\u5c0f\u3002<\/p>\n<h2 id=\"%e4%ba%86%e8%a7%a3-redis-%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86-flnKRBvdPn\">\u4e86\u89e3 Redis \u7684\u5167\u5b58\u7ba1\u7406<\/h2>\n<p>Redis \u7684\u5167\u5b58\u7ba1\u7406\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5176\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u8a2d\u7f6e\u3002Redis \u6703\u5c07\u6240\u6709\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u56e0\u6b64\uff0c\u5167\u5b58\u7684\u4f7f\u7528\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u914d\u7f6e\u9078\u9805\u4f86\u63a7\u5236\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u5305\u62ec\u6700\u5927\u5167\u5b58\u9650\u5236\u3001\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u7b49\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e6%9c%80%e5%a4%a7%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-flnKRBvdPn\">\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236<\/h3>\n<p>\u5728 Redis \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e <code>maxmemory<\/code> \u53c3\u6578\u4f86\u9650\u5236 Redis \u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>maxmemory 256mb<\/code><\/pre>\n<p>\u9019\u884c\u914d\u7f6e\u5c07 Redis \u7684\u6700\u5927\u5167\u5b58\u9650\u5236\u8a2d\u7f6e\u70ba 256MB\u3002\u7576 Redis \u4f7f\u7528\u7684\u5167\u5b58\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0c\u5c07\u6839\u64da\u8a2d\u7f6e\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u4f86\u91cb\u653e\u5167\u5b58\u3002<\/p>\n<h3 id=\"%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5-flnKRBvdPn\">\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565<\/h3>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u9019\u4e9b\u7b56\u7565\u6c7a\u5b9a\u4e86\u5728\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u54ea\u4e9b\u6578\u64da\u5c07\u88ab\u522a\u9664\u3002\u5e38\u898b\u7684\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>noeviction<\/code>\uff1a\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u62d2\u7d55\u5beb\u5165\u8acb\u6c42\u3002<\/li>\n<li><code>allkeys-lru<\/code>\uff1a\u5f9e\u6240\u6709\u9375\u4e2d\u9078\u64c7\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u522a\u9664\u3002<\/li>\n<li><code>volatile-lru<\/code>\uff1a\u50c5\u5f9e\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4e2d\u9078\u64c7\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u522a\u9664\u3002<\/li>\n<li><code>allkeys-random<\/code>\uff1a\u96a8\u6a5f\u522a\u9664\u4e00\u500b\u9375\u3002<\/li>\n<li><code>volatile-random<\/code>\uff1a\u96a8\u6a5f\u522a\u9664\u4e00\u500b\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6dd8\u6c70\u7b56\u7565\u53ef\u4ee5\u5e6b\u52a9 Redis \u66f4\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\uff0c\u6839\u64da\u61c9\u7528\u5834\u666f\u7684\u4e0d\u540c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u6700\u9069\u5408\u7684\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-flnKRBvdPn\">\u512a\u5316\u6578\u64da\u7d50\u69cb<\/h2>\n<p>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u5b58\u5132\u5927\u91cf\u9375\u503c\u5c0d\u7684\u5834\u666f\uff0c\u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u53ef\u4ee5\u7bc0\u7701\u5167\u5b58\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u54c8\u5e0c\u7d50\u69cb\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>HSET user:1000 name \"Alice\" age 30<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u8a2d\u7f6e\u6bd4\u55ae\u7368\u5b58\u5132\u6bcf\u500b\u5c6c\u6027\u70ba\u5b57\u7b26\u4e32\u66f4\u70ba\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e6%95%b8%e6%93%9a-flnKRBvdPn\">\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da<\/h2>\n<p>Redis \u652f\u6301\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u9019\u5c0d\u65bc\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u975e\u5e38\u6709\u7528\u3002\u53ef\u4ee5\u901a\u904e <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE mykey 300<\/code><\/pre>\n<p>\u9019\u884c\u547d\u4ee4\u5c07 <code>mykey<\/code> \u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba 300 \u79d2\u3002\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u5167\u5b58\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-flnKRBvdPn\">\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>\u4f7f\u7528 <code>INFO memory<\/code> \u547d\u4ee4\u53ef\u4ee5\u67e5\u770b Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u5305\u62ec\u5df2\u7528\u5167\u5b58\u3001\u6700\u5927\u5167\u5b58\u7b49\u4fe1\u606f\u3002\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u53ef\u4ee5\u5e6b\u52a9\u53ca\u6642\u8abf\u6574\u914d\u7f6e\uff0c\u907f\u514d\u5167\u5b58\u4e0d\u8db3\u7684\u554f\u984c\u3002<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-flnKRBvdPn\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316 Redis \u7684\u5167\u5b58\u4f7f\u7528\u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236\u3001\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u3001\u512a\u5316\u6578\u64da\u7d50\u69cb\u3001\u5b9a\u671f\u6e05\u7406\u904e\u671f\u6578\u64da\u4ee5\u53ca\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406 Redis \u7684\u5167\u5b58\u3002\u9019\u4e9b\u63aa\u65bd\u4e0d\u50c5\u80fd\u63d0\u9ad8 Redis \u7684\u6027\u80fd\uff0c\u9084\u80fd\u964d\u4f4e\u904b\u884c\u6210\u672c\u3002<\/p>\n<p>\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\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u548c\u512a\u5316\u60a8\u7684\u670d\u52d9\u5668\u8cc7\u6e90\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u512a\u5316 Redis \u5167\u5b58\u4f7f\u7528\uff0c\u901a\u904e\u8abf\u6574\u8a2d\u7f6e\u5927\u5c0f\u548c\u914d\u7f6e\u9078\u9805\uff0c\u63d0\u9ad8\u6027\u80fd\u548c\u6548\u7387\uff0c\u964d\u4f4e\u8cc7\u6e90\u6d88\u8017\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-179392","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179392","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=179392"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179392\/revisions"}],"predecessor-version":[{"id":179393,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179392\/revisions\/179393"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179392"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179392"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179392"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}