{"id":125433,"date":"2024-10-25T22:35:23","date_gmt":"2024-10-25T14:35:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125433\/"},"modified":"2024-10-25T22:35:24","modified_gmt":"2024-10-25T14:35:24","slug":"redis-%e7%a9%ba%e9%96%93%e5%84%aa%e5%8c%96%e6%81%b0%e7%95%b6%e7%9a%84%e6%b8%85%e9%99%a4%e7%ad%96%e7%95%a5%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125433\/","title":{"rendered":"Redis \u7a7a\u9593\u512a\u5316\u6070\u7576\u7684\u6e05\u9664\u7b56\u7565\u914d\u7f6e"},"content":{"rendered":"<h1 id=\"redis-%e7%a9%ba%e9%96%93%e5%84%aa%e5%8c%96%e6%81%b0%e7%95%b6%e7%9a%84%e6%b8%85%e9%99%a4%e7%ad%96%e7%95%a5%e9%85%8d%e7%bd%ae-wgnnTHRnoo\">Redis \u7a7a\u9593\u512a\u5316\u6070\u7576\u7684\u6e05\u9664\u7b56\u7565\u914d\u7f6e<\/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\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u512a\u5316 Redis \u7684\u5b58\u5132\u7a7a\u9593\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u7a7a\u9593\u512a\u5316\u53ca\u5176\u6e05\u9664\u7b56\u7565\u914d\u7f6e\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u5176\u6578\u64da\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e8%88%87%e5%ad%98%e5%84%b2%e7%89%b9%e6%80%a7-wgnnTHRnoo\">Redis \u7684\u6578\u64da\u7d50\u69cb\u8207\u5b58\u5132\u7279\u6027<\/h2>\n<p>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u9019\u4e9b\u6578\u64da\u7d50\u69cb\u7684\u9748\u6d3b\u6027\u4f7f\u5f97 Redis \u80fd\u5920\u9ad8\u6548\u5730\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\uff0c\u4f46\u540c\u6642\u4e5f\u5e36\u4f86\u4e86\u7a7a\u9593\u7ba1\u7406\u7684\u6311\u6230\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u904e\u671f\u7684\u6578\u64da\u548c\u4e0d\u518d\u4f7f\u7528\u7684\u9375\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u56e0\u6b64\u9700\u8981\u5b9a\u671f\u6e05\u7406\u3002<\/p>\n<h2 id=\"%e6%b8%85%e9%99%a4%e7%ad%96%e7%95%a5%e7%9a%84%e9%a1%9e%e5%9e%8b-wgnnTHRnoo\">\u6e05\u9664\u7b56\u7565\u7684\u985e\u578b<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5e7e\u7a2e\u4e0d\u540c\u7684\u6e05\u9664\u7b56\u7565\uff0c\u5e6b\u52a9\u7528\u6236\u7ba1\u7406\u5b58\u5132\u7a7a\u9593\u3002\u4e3b\u8981\u7684\u6e05\u9664\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6e05\u9664\uff08Periodic Removal\uff09<\/strong>\uff1aRedis \u6703\u5728\u6bcf\u6b21\u57f7\u884c\u7684\u6642\u5019\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u662f\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u77ed\u6642\u9593\u5167\u7684\u6027\u80fd\u6ce2\u52d5\u3002<\/li>\n<li><strong>\u60f0\u6027\u6e05\u9664\uff08Lazy Removal\uff09<\/strong>\uff1a\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u5982\u679c\u904e\u671f\u5247\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u80fd\u5920\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6aa2\u67e5\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u904e\u671f\u9375\u5728\u4e00\u6bb5\u6642\u9593\u5167\u4ecd\u7136\u4f54\u7528\u7a7a\u9593\u3002<\/li>\n<li><strong>\u6700\u5927\u5167\u5b58\u9650\u5236\uff08Max Memory Policy\uff09<\/strong>\uff1a\u7528\u6236\u53ef\u4ee5\u8a2d\u7f6e Redis \u7684\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u7576\u9054\u5230\u8a72\u9650\u5236\u6642\uff0cRedis \u6703\u6839\u64da\u914d\u7f6e\u7684\u7b56\u7565\u81ea\u52d5\u522a\u9664\u9375\u3002\u9019\u4e9b\u7b56\u7565\u5305\u62ec LRU\uff08Least Recently Used\uff09\u3001LFU\uff08Least Frequently Used\uff09\u548c FIFO\uff08First In First Out\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%85%8d%e7%bd%ae%e6%b8%85%e9%99%a4%e7%ad%96%e7%95%a5%e7%9a%84%e6%ad%a5%e9%a9%9f-wgnnTHRnoo\">\u914d\u7f6e\u6e05\u9664\u7b56\u7565\u7684\u6b65\u9a5f<\/h2>\n<p>\u8981\u914d\u7f6e Redis \u7684\u6e05\u9664\u7b56\u7565\uff0c\u60a8\u9700\u8981\u7de8\u8f2f Redis \u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662f redis.conf\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u914d\u7f6e\u9078\u9805\uff1a<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236\nmaxmemory 256mb\n\n# \u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u7b56\u7565\nmaxmemory-policy allkeys-lru\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07\u6700\u5927\u5167\u5b58\u9650\u5236\u8a2d\u7f6e\u70ba 256MB\uff0c\u4e26\u9078\u64c7 LRU \u7b56\u7565\u4f86\u6e05\u9664\u9375\u3002\u9019\u610f\u5473\u8457\u7576 Redis \u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230 256MB \u6642\uff0c\u5c07\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e8%88%87%e8%aa%bf%e6%95%b4-wgnnTHRnoo\">\u76e3\u63a7\u8207\u8abf\u6574<\/h2>\n<p>\u914d\u7f6e\u6e05\u9664\u7b56\u7565\u5f8c\uff0c\u6301\u7e8c\u76e3\u63a7 Redis \u7684\u6027\u80fd\u548c\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u547d\u4ee4\uff0c\u5982 <code>INFO<\/code> \u548c <code>MONITOR<\/code>\uff0c\u4f86\u7372\u53d6\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u548c\u9375\u7684\u7d71\u8a08\u4fe1\u606f\u3002\u6839\u64da\u9019\u4e9b\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u8abf\u6574\u6e05\u9664\u7b56\u7565\u4ee5\u9054\u5230\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-wgnnTHRnoo\">\u7d50\u8ad6<\/h2>\n<p>\u6709\u6548\u7684\u7a7a\u9593\u512a\u5316\u548c\u6e05\u9664\u7b56\u7565\u914d\u7f6e\u5c0d\u65bc Redis \u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u9078\u64c7\u6e05\u9664\u7b56\u7565\u548c\u6301\u7e8c\u76e3\u63a7\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd Redis \u5728\u9ad8\u6548\u904b\u884c\u7684\u540c\u6642\uff0c\u6700\u5927\u9650\u5ea6\u5730\u5229\u7528\u5b58\u5132\u7a7a\u9593\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u80fd\u9032\u4e00\u6b65\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7a7a\u9593\u512a\u5316\u7684\u6709\u6548\u6e05\u9664\u7b56\u7565\u914d\u7f6e\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u9ad8\u6548\u6027\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-125433","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125433","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=125433"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125433\/revisions"}],"predecessor-version":[{"id":125434,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125433\/revisions\/125434"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}