{"id":163133,"date":"2024-11-04T20:56:20","date_gmt":"2024-11-04T12:56:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163133\/"},"modified":"2024-11-04T20:56:21","modified_gmt":"2024-11-04T12:56:21","slug":"%e8%a7%a3%e9%99%a4redis%e7%9a%84%e5%85%a7%e5%ad%98%e7%a9%ba%e9%96%92%e5%bc%b7%e5%8a%9b%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5%ef%bc%88redis%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163133\/","title":{"rendered":"\u89e3\u9664Redis\u7684\u5167\u5b58\u7a7a\u9592\u5f37\u529b\u6e05\u7406\u7b56\u7565\uff08Redis\u6e05\u7406\u7b56\u7565\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e9%99%a4redis%e7%9a%84%e5%85%a7%e5%ad%98%e7%a9%ba%e9%96%92%e5%bc%b7%e5%8a%9b%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5%ef%bc%88redis%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5%ef%bc%89-PJMeXJgKCW\">\u89e3\u9664Redis\u7684\u5167\u5b58\u7a7a\u9592\u5f37\u529b\u6e05\u7406\u7b56\u7565\uff08Redis\u6e05\u7406\u7b56\u7565\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u96a8\u8457\u4f7f\u7528\u91cf\u7684\u589e\u52a0\uff0cRedis\u7684\u5167\u5b58\u7ba1\u7406\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u8b70\u984c\u3002\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u7684\u74b0\u5883\u4e2d\uff0c\u5982\u4f55\u6709\u6548\u5730\u6e05\u7406\u5167\u5b58\u7a7a\u9592\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u9700\u8981\u9762\u5c0d\u7684\u6311\u6230\u3002<\/p>\n<h2 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id=\"redis%e7%9a%84%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5-PJMeXJgKCW\">Redis\u7684\u6e05\u7406\u7b56\u7565<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u6e05\u7406\u7b56\u7565\u4f86\u7ba1\u7406\u5167\u5b58\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>\u60f0\u6027\u522a\u9664\uff08Lazy Deletion\uff09<\/strong>\uff1a\u7576\u4e00\u500b\u9375\u904e\u671f\u6642\uff0cRedis\u4e0d\u6703\u7acb\u5373\u522a\u9664\u5b83\uff0c\u800c\u662f\u5728\u4e0b\u4e00\u6b21\u8a2a\u554f\u8a72\u9375\u6642\u9032\u884c\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u6e1b\u5c11\u522a\u9664\u64cd\u4f5c\u7684\u958b\u92b7\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u4f7f\u7528\u91cf\u7684\u66ab\u6642\u589e\u52a0\u3002<\/li>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff08Periodic Deletion\uff09<\/strong>\uff1aRedis\u6703\u5b9a\u671f\u6aa2\u67e5\u904e\u671f\u7684\u9375\uff0c\u4e26\u5c07\u5176\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u4f46\u4ecd\u7136\u53ef\u80fd\u5b58\u5728\u5167\u5b58\u7a7a\u9592\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u4e3b\u52d5\u522a\u9664\uff08Active Expiration\uff09<\/strong>\uff1aRedis\u6703\u5728\u5167\u5b58\u4f7f\u7528\u91cf\u9054\u5230\u4e00\u5b9a\u95be\u503c\u6642\uff0c\u4e3b\u52d5\u522a\u9664\u4e00\u4e9b\u904e\u671f\u7684\u9375\uff0c\u4ee5\u91cb\u653e\u5167\u5b58\u3002\u9019\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u5167\u5b58\u4f7f\u7528\uff0c\u4f46\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bc%b7%e5%8a%9b%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5%e7%9a%84%e5%af%a6%e7%8f%be-PJMeXJgKCW\">\u5f37\u529b\u6e05\u7406\u7b56\u7565\u7684\u5be6\u73fe<\/h2>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u512a\u5316\u5167\u5b58\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8003\u616e\u5be6\u73fe\u5f37\u529b\u6e05\u7406\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e5%ae%9a%e5%90%88%e7%90%86%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-PJMeXJgKCW\">1. \u8a2d\u5b9a\u5408\u7406\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\u6642\uff0c\u61c9\u8a72\u70ba\u6bcf\u500b\u9375\u8a2d\u5b9a\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u80fd\u5920\u53ca\u6642\u88ab\u6e05\u7406\uff0c\u5f9e\u800c\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%85%a7%e5%ad%98%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-PJMeXJgKCW\">2. \u4f7f\u7528\u5167\u5b58\u76e3\u63a7\u5de5\u5177<\/h3>\n<p>\u5229\u7528Redis\u7684\u5167\u5b58\u76e3\u63a7\u5de5\u5177\uff0c\u5982INFO\u547d\u4ee4\uff0c\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7\u5167\u5b58\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u5206\u6790\u5167\u5b58\u4f7f\u7528\u7684\u8da8\u52e2\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u6e05\u7406\u7b56\u7565\u3002<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4maxmemory%e7%ad%96%e7%95%a5-PJMeXJgKCW\">3. \u8abf\u6574maxmemory\u7b56\u7565<\/h3>\n<p>Redis\u5141\u8a31\u7528\u6236\u8a2d\u5b9amaxmemory\u53c3\u6578\uff0c\u9650\u5236\u5167\u5b58\u7684\u4f7f\u7528\u91cf\u3002\u7576\u5167\u5b58\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0cRedis\u6703\u6839\u64da\u8a2d\u5b9a\u7684\u6e05\u7406\u7b56\u7565\u81ea\u52d5\u522a\u9664\u6578\u64da\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\uff0c\u5982volatile-lru\u3001allkeys-lru\u7b49\u3002<\/p>\n<pre><code>CONFIG SET maxmemory 100mb<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-PJMeXJgKCW\">\u7d50\u8ad6<\/h2>\n<p>\u6709\u6548\u7684\u5167\u5b58\u7ba1\u7406\u5c0d\u65bcRedis\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u8a2d\u5b9a\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528\u5167\u5b58\u76e3\u63a7\u5de5\u5177\u4ee5\u53ca\u8abf\u6574maxmemory\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u5f37\u529b\u7684\u5167\u5b58\u6e05\u7406\u7b56\u7565\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bcVPS\u548c\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e\u9999\u6e2fVPS\u548c\u96f2\u4f3a\u670d\u5668\u670d\u52d9\uff0c\u5e6b\u52a9\u60a8\u512a\u5316\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u89e3\u9664Redis\u7684\u5167\u5b58\u7a7a\u9592\u5f37\u529b\u6e05\u7406\u7b56\u7565\uff0c\u512a\u5316\u6578\u64da\u5b58\u5132\u8207\u6027\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\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-163133","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163133","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=163133"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163133\/revisions"}],"predecessor-version":[{"id":163134,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163133\/revisions\/163134"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}