{"id":97622,"date":"2024-10-20T19:33:17","date_gmt":"2024-10-20T11:33:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97622\/"},"modified":"2024-10-20T19:33:18","modified_gmt":"2024-10-20T11:33:18","slug":"redis-%e8%87%aa%e5%8b%95%e8%99%95%e7%90%86%e7%ad%96%e7%95%a5%e8%ae%93%e6%95%b8%e6%93%9a%e8%87%aa%e5%8b%95%e4%b8%9f%e6%a3%84%ef%bc%88redis-%e8%87%aa%e5%8b%95%e4%b8%9f%e6%a3%84%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97622\/","title":{"rendered":"Redis \u81ea\u52d5\u8655\u7406\u7b56\u7565\u8b93\u6578\u64da\u81ea\u52d5\u4e1f\u68c4\uff08redis \u81ea\u52d5\u4e1f\u68c4\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"redis-%e8%87%aa%e5%8b%95%e8%99%95%e7%90%86%e7%ad%96%e7%95%a5%e8%ae%93%e6%95%b8%e6%93%9a%e8%87%aa%e5%8b%95%e4%b8%9f%e6%a3%84-tGzYvHdAsD\">Redis \u81ea\u52d5\u8655\u7406\u7b56\u7565\u8b93\u6578\u64da\u81ea\u52d5\u4e1f\u68c4<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u5b58\u5132\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u529f\u80fd\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u6578\u64da\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\u4e26\u81ea\u52d5\u4e1f\u68c4\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u81ea\u52d5\u4e1f\u68c4\u7b56\u7565\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e7%89%b9%e6%80%a7-tGzYvHdAsD\">Redis \u7684\u6578\u64da\u5b58\u5132\u7279\u6027<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u7ba1\u7406\u548c\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u80fd\u529b\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e8%87%aa%e5%8b%95%e4%b8%9f%e6%a3%84%e6%95%b8%e6%93%9a%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-tGzYvHdAsD\">\u81ea\u52d5\u4e1f\u68c4\u6578\u64da\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u904b\u884c\uff0cRedis \u7684\u5167\u5b58\u4f7f\u7528\u91cf\u6703\u4e0d\u65b7\u589e\u52a0\u3002\u5982\u679c\u4e0d\u52a0\u4ee5\u63a7\u5236\uff0c\u6700\u7d42\u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u8017\u76e1\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5be6\u65bd\u81ea\u52d5\u4e1f\u68c4\u7b56\u7565\u662f\u78ba\u4fdd Redis \u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e8%87%aa%e5%8b%95%e4%b8%9f%e6%a3%84%e7%ad%96%e7%95%a5-tGzYvHdAsD\">Redis \u7684\u81ea\u52d5\u4e1f\u68c4\u7b56\u7565<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u81ea\u52d5\u4e1f\u68c4\u7b56\u7565\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>noeviction<\/strong>: \u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u65b0\u7684\u5beb\u5165\u64cd\u4f5c\u5c07\u88ab\u62d2\u7d55\u3002\u9019\u662f Redis \u7684\u9ed8\u8a8d\u884c\u70ba\u3002<\/li>\n<li><strong>allkeys-lru<\/strong>: \u5728\u6240\u6709\u9375\u4e2d\uff0c\u4f7f\u7528 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u81ea\u52d5\u4e1f\u68c4\u9375\uff0c\u4ee5\u9a30\u51fa\u5167\u5b58\u3002<\/li>\n<li><strong>volatile-lru<\/strong>: \u53ea\u5c0d\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4f7f\u7528 LRU \u7b97\u6cd5\u9032\u884c\u4e1f\u68c4\u3002<\/li>\n<li><strong>allkeys-random<\/strong>: \u96a8\u6a5f\u4e1f\u68c4\u4efb\u610f\u9375\u4ee5\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<li><strong>volatile-random<\/strong>: \u96a8\u6a5f\u4e1f\u68c4\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<li><strong>volatile-ttl<\/strong>: \u6839\u64da\u904e\u671f\u6642\u9593\uff08TTL\uff09\u4e1f\u68c4\u9375\uff0c\u512a\u5148\u4e1f\u68c4\u5373\u5c07\u904e\u671f\u7684\u9375\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%85%8d%e7%bd%ae%e8%87%aa%e5%8b%95%e4%b8%9f%e6%a3%84%e7%ad%96%e7%95%a5-tGzYvHdAsD\">\u914d\u7f6e\u81ea\u52d5\u4e1f\u68c4\u7b56\u7565<\/h2>\n<p>\u8981\u914d\u7f6e Redis \u7684\u81ea\u52d5\u4e1f\u68c4\u7b56\u7565\uff0c\u53ef\u4ee5\u5728 Redis \u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e <code>maxmemory-policy<\/code> \u53c3\u6578\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u4f7f\u7528 <code>allkeys-lru<\/code> \u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u9084\u9700\u8981\u8a2d\u7f6e <code>maxmemory<\/code> \u53c3\u6578\uff0c\u4ee5\u9650\u5236 Redis \u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u91cf\uff1a<\/p>\n<pre><code>maxmemory 256mb<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-lru-%e7%ad%96%e7%95%a5-tGzYvHdAsD\">\u793a\u4f8b\uff1a\u4f7f\u7528 LRU \u7b56\u7565<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u4e2d\u4f7f\u7528 LRU \u7b56\u7565\uff1a<\/p>\n<pre><code>redis-cli config set maxmemory 256mb\nredis-cli config set maxmemory-policy allkeys-lru<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c07 Redis \u7684\u6700\u5927\u5167\u5b58\u8a2d\u7f6e\u70ba 256MB\uff0c\u4e26\u9078\u64c7\u4f7f\u7528 LRU \u7b56\u7565\u4f86\u81ea\u52d5\u4e1f\u68c4\u6578\u64da\u3002\u9019\u6a23\uff0c\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0cRedis \u5c07\u81ea\u52d5\u4e1f\u68c4\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-tGzYvHdAsD\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u81ea\u52d5\u4e1f\u68c4\u7b56\u7565\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u5167\u5b58\uff0c\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u80fd\u7a69\u5b9a\u904b\u884c\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u9019\u4e9b\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u6578\u64da\u4e1f\u68c4\u65b9\u5f0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c\u6578\u64da\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u81ea\u52d5\u8655\u7406\u7b56\u7565\u53ef\u6709\u6548\u7ba1\u7406\u5167\u5b58\uff0c\u5be6\u73fe\u6578\u64da\u81ea\u52d5\u4e1f\u68c4\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u7a69\u5b9a\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\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-97622","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97622","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=97622"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97622\/revisions"}],"predecessor-version":[{"id":97623,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97622\/revisions\/97623"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}