{"id":195471,"date":"2024-11-13T15:16:20","date_gmt":"2024-11-13T07:16:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195471\/"},"modified":"2024-11-13T15:16:21","modified_gmt":"2024-11-13T07:16:21","slug":"%e5%9f%9f%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%e5%95%8f%e9%a1%8c%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%e5%8d%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195471\/","title":{"rendered":"\u57df\u89e3\u6c7aRedis\u7de9\u5b58\u7a4d\u58d3\u554f\u984c\uff08redis \u7de9\u5b58\u7a4d\u58d3\u5340\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%9f%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%e5%95%8f%e9%a1%8c%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%e5%8d%80%ef%bc%89-ALRHDBkqVR\">\u57df\u89e3\u6c7aRedis\u7de9\u5b58\u7a4d\u58d3\u554f\u984c\uff08redis \u7de9\u5b58\u7a4d\u58d3\u5340\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u6e1b\u5c11\u6578\u64da\u5eab\u8ca0\u64d4\u3002\u7136\u800c\uff0c\u96a8\u8457\u4f7f\u7528\u91cf\u7684\u589e\u52a0\uff0cRedis\u7de9\u5b58\u7a4d\u58d3\u554f\u984c\uff08\u5373\u7de9\u5b58\u7a4d\u58d3\u5340\uff09\u4e5f\u9010\u6f38\u6210\u70ba\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u9700\u8981\u9762\u5c0d\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u7de9\u5b58\u7a4d\u58d3\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%ef%bc%9f-ALRHDBkqVR\">\u4ec0\u9ebc\u662fRedis\u7de9\u5b58\u7a4d\u58d3\uff1f<\/h2>\n<p>Redis\u7de9\u5b58\u7a4d\u58d3\u662f\u6307\u5728Redis\u4e2d\u5b58\u5132\u7684\u6578\u64da\u91cf\u8d85\u904e\u4e86\u5176\u914d\u7f6e\u7684\u5167\u5b58\u9650\u5236\uff0c\u5c0e\u81f4\u65b0\u6578\u64da\u7121\u6cd5\u5beb\u5165\u6216\u820a\u6578\u64da\u7121\u6cd5\u88ab\u53ca\u6642\u6e05\u9664\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u6703\u5c0e\u81f4\u61c9\u7528\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u53ef\u80fd\u5f15\u767c\u7cfb\u7d71\u5d29\u6f70\u3002<\/p>\n<h2 id=\"%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%e7%9a%84%e6%88%90%e5%9b%a0-ALRHDBkqVR\">\u7de9\u5b58\u7a4d\u58d3\u7684\u6210\u56e0<\/h2>\n<ul>\n<li><strong>\u9ad8\u6d41\u91cf\u8acb\u6c42\uff1a<\/strong>\u7576\u61c9\u7528\u7a0b\u5e8f\u9762\u81e8\u5927\u91cf\u8acb\u6c42\u6642\uff0cRedis\u7684\u7de9\u5b58\u53ef\u80fd\u7121\u6cd5\u53ca\u6642\u8655\u7406\u6240\u6709\u8acb\u6c42\uff0c\u5c0e\u81f4\u6578\u64da\u7a4d\u58d3\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u7de9\u5b58\u7b56\u7565\uff1a<\/strong>\u5982\u679c\u7de9\u5b58\u7b56\u7565\u8a2d\u7f6e\u4e0d\u7576\uff0c\u4f8b\u5982\u672a\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u5c07\u5c0e\u81f4\u820a\u6578\u64da\u7121\u6cd5\u88ab\u6e05\u9664\u3002<\/li>\n<li><strong>\u5167\u5b58\u914d\u7f6e\u4e0d\u8db3\uff1a<\/strong>Redis\u7684\u5167\u5b58\u914d\u7f6e\u4e0d\u8db3\u4ee5\u61c9\u5c0d\u7576\u524d\u7684\u6578\u64da\u9700\u6c42\uff0c\u9019\u662f\u9020\u6210\u7de9\u5b58\u7a4d\u58d3\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%e7%9a%84%e5%bd%b1%e9%9f%bf-ALRHDBkqVR\">\u7de9\u5b58\u7a4d\u58d3\u7684\u5f71\u97ff<\/h2>\n<p>\u7de9\u5b58\u7a4d\u58d3\u6703\u5c0d\u7cfb\u7d71\u6027\u80fd\u9020\u6210\u591a\u65b9\u9762\u7684\u5f71\u97ff\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5ef6\u9072\u589e\u52a0\uff1a<\/strong>\u7576Redis\u7121\u6cd5\u53ca\u6642\u8655\u7406\u8acb\u6c42\u6642\uff0c\u5c07\u5c0e\u81f4\u8acb\u6c42\u5ef6\u9072\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u6d6a\u8cbb\uff1a<\/strong>\u904e\u591a\u7684\u7de9\u5b58\u6578\u64da\u6703\u4f54\u7528\u7cfb\u7d71\u8cc7\u6e90\uff0c\u5c0e\u81f4\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u5d29\u6f70\uff1a<\/strong>\u5728\u6975\u7aef\u60c5\u6cc1\u4e0b\uff0c\u7de9\u5b58\u7a4d\u58d3\u53ef\u80fd\u5c0e\u81f4Redis\u670d\u52d9\u5d29\u6f70\uff0c\u5f71\u97ff\u6574\u500b\u61c9\u7528\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%baredis%e7%b7%a9%e5%ad%98%e7%a9%8d%e5%a3%93%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95-ALRHDBkqVR\">\u89e3\u6c7aRedis\u7de9\u5b58\u7a4d\u58d3\u554f\u984c\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e8%aa%bf%e6%95%b4%e5%85%a7%e5%ad%98%e9%85%8d%e7%bd%ae-ALRHDBkqVR\">1. \u8abf\u6574\u5167\u5b58\u914d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574Redis\u7684\u5167\u5b58\u914d\u7f6e\u3002\u53ef\u4ee5\u901a\u904e\u4fee\u6539Redis\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 <code>maxmemory<\/code> \u53c3\u6578\u4f86\u589e\u52a0\u53ef\u7528\u5167\u5b58\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>maxmemory 2gb<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fddRedis\u6709\u8db3\u5920\u7684\u5167\u5b58\u4f86\u8655\u7406\u8acb\u6c42\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e5%90%88%e7%90%86%e7%9a%84%e7%b7%a9%e5%ad%98%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-ALRHDBkqVR\">2. \u8a2d\u7f6e\u5408\u7406\u7684\u7de9\u5b58\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u820a\u6578\u64da\u4f54\u7528\u5167\u5b58\uff0c\u61c9\u8a2d\u7f6e\u5408\u7406\u7684\u7de9\u5b58\u904e\u671f\u6642\u9593\u3002\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPIRE mykey 3600<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5728\u4e00\u5c0f\u6642\u5f8c\u81ea\u52d5\u6e05\u9664\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8lru%e7%ae%97%e6%b3%95-ALRHDBkqVR\">3. \u4f7f\u7528LRU\u7b97\u6cd5<\/h3>\n<p>Redis\u652f\u6301\u591a\u7a2e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u5176\u4e2dLRU\uff08Least Recently Used\uff09\u7b97\u6cd5\u53ef\u4ee5\u6709\u6548\u5730\u6e05\u9664\u4e0d\u5e38\u7528\u7684\u6578\u64da\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e <code>maxmemory-policy<\/code> \u53c3\u6578\u4f86\u555f\u7528LRU\u7b97\u6cd5\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%aa%bf%e6%95%b4-ALRHDBkqVR\">4. \u76e3\u63a7\u548c\u8abf\u6574<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7Redis\u7684\u6027\u80fd\u6307\u6a19\uff0c\u5982\u5167\u5b58\u4f7f\u7528\u7387\u3001\u547d\u4e2d\u7387\u7b49\uff0c\u4e26\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u8abf\u6574\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u81ea\u5e36\u7684 <code>INFO<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u76f8\u95dc\u4fe1\u606f\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ALRHDBkqVR\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7de9\u5b58\u7a4d\u58d3\u554f\u984c\u662f\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\uff0c\u901a\u904e\u5408\u7406\u7684\u5167\u5b58\u914d\u7f6e\u3001\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528LRU\u7b97\u6cd5\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u548c\u914d\u7f6e\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u548c\u89e3\u6c7aRedis\u7de9\u5b58\u7a4d\u58d3\u554f\u984c\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aRedis\u7de9\u5b58\u7a4d\u58d3\u554f\u984c\uff0c\u512a\u5316\u6027\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5feb\u901f\u97ff\u61c9\uff0c\u6e1b\u5c11\u5ef6\u9072\uff0c\u589e\u5f37\u7528\u6236\u9ad4\u9a57\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-195471","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195471","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=195471"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195471\/revisions"}],"predecessor-version":[{"id":195472,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195471\/revisions\/195472"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}