{"id":129481,"date":"2024-10-26T21:57:20","date_gmt":"2024-10-26T13:57:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129481\/"},"modified":"2024-10-26T21:57:21","modified_gmt":"2024-10-26T13:57:21","slug":"redis%e8%b8%a2%e5%87%ba%e5%af%a6%e7%8f%be%e6%9c%89%e6%95%88%e7%9a%84%e9%80%a3%e6%8e%a5%e7%ae%a1%e7%90%86%ef%bc%88redis%e8%b8%a2%e5%87%ba%e7%ad%96%e7%95%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129481\/","title":{"rendered":"Redis\u8e22\u51fa\u5be6\u73fe\u6709\u6548\u7684\u9023\u63a5\u7ba1\u7406\uff08redis\u8e22\u51fa\u7b56\u7565\uff09"},"content":{"rendered":"<h1 id=\"redis%e8%b8%a2%e5%87%ba%e5%af%a6%e7%8f%be%e6%9c%89%e6%95%88%e7%9a%84%e9%80%a3%e6%8e%a5%e7%ae%a1%e7%90%86%ef%bc%88redis%e8%b8%a2%e5%87%ba%e7%ad%96%e7%95%a5%ef%bc%89-WZwYHdKdiW\">Redis\u8e22\u51fa\u5be6\u73fe\u6709\u6548\u7684\u9023\u63a5\u7ba1\u7406\uff08redis\u8e22\u51fa\u7b56\u7565\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u7ba1\u7406\u9023\u63a5\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u7684\u8e22\u51fa\u7b56\u7565\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u9023\u63a5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e8%b8%a2%e5%87%ba%e7%ad%96%e7%95%a5%ef%bc%9f-WZwYHdKdiW\">\u4ec0\u9ebc\u662fRedis\u8e22\u51fa\u7b56\u7565\uff1f<\/h2>\n<p>Redis\u7684\u8e22\u51fa\u7b56\u7565\uff08Eviction Policy\uff09\u662f\u6307\u5728\u5167\u5b58\u9054\u5230\u9650\u5236\u6642\uff0cRedis\u5982\u4f55\u9078\u64c7\u8981\u522a\u9664\u7684\u9375\u3002\u9019\u4e9b\u7b56\u7565\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5167\u5b58\u8cc7\u6e90\u6709\u9650\u7684\u60c5\u6cc1\u4e0b\uff0c\u4fdd\u6301\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u8e22\u51fa\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\u3002<\/p>\n<h2 id=\"redis%e8%b8%a2%e5%87%ba%e7%ad%96%e7%95%a5%e9%a1%9e%e5%9e%8b-WZwYHdKdiW\">Redis\u8e22\u51fa\u7b56\u7565\u985e\u578b<\/h2>\n<ul>\n<li><strong>noeviction<\/strong>: \u7576\u5167\u5b58\u9054\u5230\u9650\u5236\u6642\uff0cRedis\u5c07\u4e0d\u6703\u522a\u9664\u4efb\u4f55\u9375\uff0c\u4e26\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><strong>allkeys-lru<\/strong>: \u5728\u6240\u6709\u9375\u4e2d\uff0c\u4f7f\u7528\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff08LRU\uff09\u7b97\u6cd5\u522a\u9664\u9375\u3002<\/li>\n<li><strong>volatile-lru<\/strong>: \u53ea\u5728\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4e2d\uff0c\u4f7f\u7528LRU\u7b97\u6cd5\u522a\u9664\u9375\u3002<\/li>\n<li><strong>allkeys-random<\/strong>: \u96a8\u6a5f\u522a\u9664\u4e00\u500b\u9375\u3002<\/li>\n<li><strong>volatile-random<\/strong>: \u96a8\u6a5f\u522a\u9664\u4e00\u500b\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<li><strong>volatile-ttl<\/strong>: \u522a\u9664\u904e\u671f\u6642\u9593\u6700\u77ed\u7684\u9375\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e8%b8%a2%e5%87%ba%e7%ad%96%e7%95%a5-WZwYHdKdiW\">\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u8e22\u51fa\u7b56\u7565<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u8e22\u51fa\u7b56\u7565\u53d6\u6c7a\u65bc\u61c9\u7528\u7684\u9700\u6c42\u548c\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8003\u91cf\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u91cd\u8981\u6027<\/strong>: \u5982\u679c\u67d0\u4e9b\u6578\u64da\u5c0d\u61c9\u7528\u81f3\u95dc\u91cd\u8981\uff0c\u5247\u61c9\u9078\u64c7\u4e0d\u6703\u522a\u9664\u9019\u4e9b\u6578\u64da\u7684\u7b56\u7565\uff0c\u5982noeviction\u3002<\/li>\n<li><strong>\u6578\u64da\u4f7f\u7528\u983b\u7387<\/strong>: \u5982\u679c\u67d0\u4e9b\u6578\u64da\u7d93\u5e38\u88ab\u8a2a\u554f\uff0c\u5247\u53ef\u4ee5\u9078\u64c7LRU\u7b56\u7565\uff0c\u4ee5\u4fdd\u7559\u6700\u5e38\u7528\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u904e\u671f\u6642\u9593<\/strong>: \u5982\u679c\u6578\u64da\u6709\u660e\u78ba\u7684\u904e\u671f\u6642\u9593\uff0c\u5247\u53ef\u4ee5\u9078\u64c7volatile\u7b56\u7565\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u904e\u671f\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e8%b8%a2%e5%87%ba%e7%ad%96%e7%95%a5%e7%9a%84%e7%a4%ba%e4%be%8b-WZwYHdKdiW\">\u5be6\u73fe\u8e22\u51fa\u7b56\u7565\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Redis\u4e2d\u8a2d\u7f6e\u8e22\u51fa\u7b56\u7565\uff1a<\/p>\n<pre><code>CONFIG SET maxmemory 100mb\nCONFIG SET maxmemory-policy allkeys-lru\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07Redis\u7684\u6700\u5927\u5167\u5b58\u8a2d\u7f6e\u70ba100MB\uff0c\u4e26\u9078\u64c7\u4e86allkeys-lru\u4f5c\u70ba\u8e22\u51fa\u7b56\u7565\u3002\u9019\u610f\u5473\u8457\u7576\u5167\u5b58\u4f7f\u7528\u9054\u5230100MB\u6642\uff0cRedis\u5c07\u81ea\u52d5\u522a\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4%e8%b8%a2%e5%87%ba%e7%ad%96%e7%95%a5-WZwYHdKdiW\">\u76e3\u63a7\u548c\u8abf\u6574\u8e22\u51fa\u7b56\u7565<\/h2>\n<p>\u5728\u5be6\u969b\u904b\u884c\u4e2d\uff0c\u958b\u767c\u8005\u61c9\u5b9a\u671f\u76e3\u63a7Redis\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u8e22\u51fa\u7b56\u7565\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684INFO\u547d\u4ee4\u4f86\u67e5\u770b\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>INFO memory\n<\/code><\/pre>\n<p>\u6839\u64da\u8fd4\u56de\u7684\u6578\u64da\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8a55\u4f30\u7576\u524d\u7684\u8e22\u51fa\u7b56\u7565\u662f\u5426\u6709\u6548\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-WZwYHdKdiW\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u8e22\u51fa\u7b56\u7565\u662f\u9023\u63a5\u7ba1\u7406\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u901a\u904e\u5408\u7406\u9078\u64c7\u548c\u914d\u7f6e\u8e22\u51fa\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5167\u5b58\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u3002\u4e86\u89e3\u4e0d\u540c\u7684\u8e22\u51fa\u7b56\u7565\u53ca\u5176\u9069\u7528\u5834\u666f\uff0c\u5c07\u6709\u52a9\u65bc\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u4fdd\u6301\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6<code>\u4f3a\u670d\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u8e22\u51fa\u7b56\u7565\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u9023\u63a5\u7ba1\u7406\uff0c\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\uff0c\u63d0\u5347\u7cfb\u7d71\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-129481","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129481","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=129481"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129481\/revisions"}],"predecessor-version":[{"id":129482,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129481\/revisions\/129482"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}