{"id":126277,"date":"2024-10-26T03:23:21","date_gmt":"2024-10-25T19:23:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126277\/"},"modified":"2024-10-26T03:23:22","modified_gmt":"2024-10-25T19:23:22","slug":"redis-%e6%bb%bf%e4%ba%86%ef%bc%8c%e8%87%aa%e5%8b%95%e9%87%8b%e6%94%be%e7%a9%ba%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126277\/","title":{"rendered":"Redis \u6eff\u4e86\uff0c\u81ea\u52d5\u91cb\u653e\u7a7a\u9593"},"content":{"rendered":"<h1 id=\"redis-%e6%bb%bf%e4%ba%86%ef%bc%8c%e8%87%aa%e5%8b%95%e9%87%8b%e6%94%be%e7%a9%ba%e9%96%93-vpiWNEJxRg\">Redis \u6eff\u4e86\uff0c\u81ea\u52d5\u91cb\u653e\u7a7a\u9593<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\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\u6578\u64da\u91cf\u7684\u589e\u9577\uff0cRedis \u7684\u5167\u5b58\u4f7f\u7528\u53ef\u80fd\u6703\u9054\u5230\u4e0a\u9650\uff0c\u9019\u6642\u5019\u5982\u4f55\u81ea\u52d5\u91cb\u653e\u7a7a\u9593\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e6%a9%9f%e5%88%b6-vpiWNEJxRg\">Redis \u7684\u5167\u5b58\u7ba1\u7406\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u3002\u7576 Redis \u7684\u5167\u5b58\u9054\u5230\u8a2d\u5b9a\u7684\u9650\u5236\u6642\uff0c\u7cfb\u7d71\u6703\u6839\u64da\u914d\u7f6e\u7684\u7b56\u7565\u81ea\u52d5\u91cb\u653e\u7a7a\u9593\u3002\u9019\u4e9b\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>noeviction<\/strong>\uff1a\u7576\u5167\u5b58\u6eff\u6642\uff0c\u62d2\u7d55\u5beb\u5165\u8acb\u6c42\u3002<\/li>\n<li><strong>allkeys-lru<\/strong>\uff1a\u5f9e\u6240\u6709\u9375\u4e2d\u9078\u64c7\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u522a\u9664\u3002<\/li>\n<li><strong>volatile-lru<\/strong>\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><strong>allkeys-random<\/strong>\uff1a\u96a8\u6a5f\u522a\u9664\u4e00\u500b\u9375\u3002<\/li>\n<li><strong>volatile-random<\/strong>\uff1a\u96a8\u6a5f\u522a\u9664\u4e00\u500b\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<li><strong>volatile-ttl<\/strong>\uff1a\u522a\u9664\u904e\u671f\u6642\u9593\u6700\u77ed\u7684\u9375\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u7b56\u7565\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u9700\u6c42\u9032\u884c\u9078\u64c7\u548c\u914d\u7f6e\uff0c\u4ee5\u78ba\u4fdd Redis \u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%8b%95%e9%87%8b%e6%94%be%e7%a9%ba%e9%96%93%e7%9a%84%e9%85%8d%e7%bd%ae-vpiWNEJxRg\">\u81ea\u52d5\u91cb\u653e\u7a7a\u9593\u7684\u914d\u7f6e<\/h2>\n<p>\u8981\u555f\u7528\u81ea\u52d5\u91cb\u653e\u7a7a\u9593\u7684\u529f\u80fd\uff0c\u9996\u5148\u9700\u8981\u5728 Redis \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u914d\u7f6e\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>maxmemory 256mb\nmaxmemory-policy allkeys-lru\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u6700\u5927\u5167\u5b58\u9650\u5236\u8a2d\u7f6e\u70ba 256MB\uff0c\u4e26\u9078\u64c7\u4e86 <code>allkeys-lru<\/code> \u7b56\u7565\uff0c\u9019\u610f\u5473\u8457\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0cRedis \u5c07\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e8%a9%a6-vpiWNEJxRg\">\u76e3\u63a7\u548c\u8abf\u8a66<\/h2>\n<p>\u70ba\u4e86\u78ba\u4fdd Redis \u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565\u6b63\u5e38\u904b\u884c\uff0c\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u63d0\u4f9b\u7684 <code>INFO<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>INFO memory\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u5df2\u7528\u5167\u5b58\u3001\u6700\u5927\u5167\u5b58\u548c\u5167\u5b58\u788e\u7247\u7387\u7b49\u3002\u901a\u904e\u9019\u4e9b\u6578\u64da\uff0c\u7528\u6236\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u5167\u5b58\u914d\u7f6e\u548c\u7ba1\u7406\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-vpiWNEJxRg\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u5167\u5b58\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u8abf\u6574 <code>maxmemory<\/code> \u8a2d\u7f6e\uff0c\u4ee5\u9069\u61c9\u6578\u64da\u589e\u9577\u3002<\/li>\n<li>\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u6839\u64da\u61c9\u7528\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li>\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u7121\u7528\u6578\u64da\u4f54\u7528\u5167\u5b58\u3002<\/li>\n<li>\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-vpiWNEJxRg\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u81ea\u52d5\u91cb\u653e\u7a7a\u9593\u529f\u80fd\u662f\u5176\u9ad8\u6548\u904b\u884c\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\u548c\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u7528\u6236\u53ef\u4ee5\u78ba\u4fdd Redis \u5728\u9ad8\u8ca0\u8f09\u4e0b\u4f9d\u7136\u80fd\u5920\u7a69\u5b9a\u904b\u884c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347 Redis \u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u6eff\u4e86\uff0c\u81ea\u52d5\u91cb\u653e\u7a7a\u9593\u529f\u80fd\u53ef\u6709\u6548\u7ba1\u7406\u8a18\u61b6\u9ad4\uff0c\u78ba\u4fdd\u9ad8\u6548\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u63d0\u5347\u8cc7\u6599\u5b58\u53d6\u6548\u7387\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-126277","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126277","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=126277"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126277\/revisions"}],"predecessor-version":[{"id":126278,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126277\/revisions\/126278"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}