{"id":167695,"date":"2024-11-06T04:18:33","date_gmt":"2024-11-05T20:18:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167695\/"},"modified":"2024-11-06T04:18:34","modified_gmt":"2024-11-05T20:18:34","slug":"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e7%86%b1%e6%95%b8%e6%93%9a%e5%84%aa%e5%8c%96%e7%ad%96%e7%95%a5%e5%88%87%e6%8f%9b%ef%bc%88redis%e7%86%b1%e6%95%b8%e6%93%9a%e7%ad%96%e7%95%a5%e5%88%87%e6%8f%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167695\/","title":{"rendered":"\u5229\u7528Redis\u5be6\u73fe\u71b1\u6578\u64da\u512a\u5316\u7b56\u7565\u5207\u63db\uff08redis\u71b1\u6578\u64da\u7b56\u7565\u5207\u63db\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e7%86%b1%e6%95%b8%e6%93%9a%e5%84%aa%e5%8c%96%e7%ad%96%e7%95%a5%e5%88%87%e6%8f%9b-OZzKHnMAap\">\u5229\u7528Redis\u5be6\u73fe\u71b1\u6578\u64da\u512a\u5316\u7b56\u7565\u5207\u63db<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u512a\u5316\u6578\u64da\u5b58\u53d6\u6210\u70ba\u4e86\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u61c9\u7528\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u71b1\u6578\u64da\uff08\u5373\u7d93\u5e38\u88ab\u8a2a\u554f\u7684\u6578\u64da\uff09\u6642\uff0cRedis\u63d0\u4f9b\u4e86\u591a\u7a2e\u7b56\u7565\u4f86\u512a\u5316\u6578\u64da\u5b58\u53d6\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u71b1\u6578\u64da\u7684\u512a\u5316\u7b56\u7565\u5207\u63db\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%86%b1%e6%95%b8%e6%93%9a%ef%bc%9f-OZzKHnMAap\">\u4ec0\u9ebc\u662f\u71b1\u6578\u64da\uff1f<\/h2>\n<p>\u71b1\u6578\u64da\u662f\u6307\u5728\u7279\u5b9a\u6642\u9593\u5167\u88ab\u983b\u7e41\u8a2a\u554f\u6216\u66f4\u65b0\u7684\u6578\u64da\u3002\u9019\u985e\u6578\u64da\u901a\u5e38\u9700\u8981\u5feb\u901f\u7684\u5b58\u53d6\u901f\u5ea6\uff0c\u4ee5\u6eff\u8db3\u7528\u6236\u7684\u9700\u6c42\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u4e2d\u7684\u71b1\u9580\u5546\u54c1\u4fe1\u606f\u3001\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u4e0a\u7684\u71b1\u9580\u5e16\u5b50\u7b49\uff0c\u90fd\u662f\u71b1\u6578\u64da\u7684\u5178\u578b\u4f8b\u5b50\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%89%b9%e6%80%a7-OZzKHnMAap\">Redis\u7684\u57fa\u672c\u7279\u6027<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u7279\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\uff1a<\/strong>Redis\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u63d0\u4f9b\u6beb\u79d2\u7d1a\u7684\u97ff\u61c9\u6642\u9593\u3002<\/li>\n<li><strong>\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u9748\u6d3b\u6027\u9ad8\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>\u652f\u6301RDB\u548cAOF\u5169\u7a2e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u652f\u6301\uff1a<\/strong>\u53ef\u4ee5\u901a\u904e\u4e3b\u5f9e\u8907\u88fd\u548c\u5206\u7247\u6280\u8853\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u548c\u64f4\u5c55\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%86%b1%e6%95%b8%e6%93%9a%e5%84%aa%e5%8c%96%e7%ad%96%e7%95%a5-OZzKHnMAap\">\u71b1\u6578\u64da\u512a\u5316\u7b56\u7565<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u91dd\u5c0d\u71b1\u6578\u64da\u7684\u512a\u5316\u7b56\u7565\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e7%b7%a9%e5%ad%98-OZzKHnMAap\">1. \u6578\u64da\u7de9\u5b58<\/h3>\n<p>\u5c07\u71b1\u6578\u64da\u7de9\u5b58\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u7684\u8b80\u53d6\u901f\u5ea6\u3002\u901a\u904e\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u78ba\u4fdd\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u59cb\u7d42\u662f\u6700\u65b0\u7684\u3002<\/p>\n<pre><code>SETEX key seconds value  \/\/ \u8a2d\u7f6e\u5e36\u904e\u671f\u6642\u9593\u7684\u7de9\u5b58\n<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e5%88%86%e7%89%87-OZzKHnMAap\">2. \u6578\u64da\u5206\u7247<\/h3>\n<p>\u5c0d\u65bc\u5927\u898f\u6a21\u7684\u71b1\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Redis\u7684\u5206\u7247\u6280\u8853\uff0c\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500bRedis\u5be6\u4f8b\u4e2d\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e26\u767c\u8a2a\u554f\u7684\u6027\u80fd\u3002<\/p>\n<h3 id=\"3-%e7%86%b1%e6%95%b8%e6%93%9a%e8%ad%98%e5%88%a5-OZzKHnMAap\">3. \u71b1\u6578\u64da\u8b58\u5225<\/h3>\n<p>\u901a\u904e\u5206\u6790\u6578\u64da\u8a2a\u554f\u6a21\u5f0f\uff0c\u8b58\u5225\u51fa\u71b1\u6578\u64da\u4e26\u9032\u884c\u512a\u5316\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u4f86\u81ea\u52d5\u7ba1\u7406\u7de9\u5b58\uff0c\u5c07\u4e0d\u5e38\u7528\u7684\u6578\u64da\u81ea\u52d5\u79fb\u9664\u3002<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru  \/\/ \u8a2d\u7f6eLRU\u7b56\u7565\n<\/code><\/pre>\n<h3 id=\"4-%e7%ad%96%e7%95%a5%e5%88%87%e6%8f%9b-OZzKHnMAap\">4. \u7b56\u7565\u5207\u63db<\/h3>\n<p>\u6839\u64da\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u52d5\u614b\u5207\u63db\u71b1\u6578\u64da\u7684\u5b58\u5132\u7b56\u7565\u3002\u4f8b\u5982\uff0c\u5728\u6d41\u91cf\u9ad8\u5cf0\u671f\uff0c\u53ef\u4ee5\u5c07\u67d0\u4e9b\u6578\u64da\u5f9e\u78c1\u789f\u5b58\u5132\u5207\u63db\u5230\u5167\u5b58\u5b58\u5132\uff0c\u4ee5\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%86%b1%e6%95%b8%e6%93%9a%e7%ad%96%e7%95%a5%e5%88%87%e6%8f%9b%e7%9a%84%e7%a4%ba%e4%be%8b-OZzKHnMAap\">\u5be6\u73fe\u71b1\u6578\u64da\u7b56\u7565\u5207\u63db\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u71b1\u6578\u64da\u7684\u7b56\u7565\u5207\u63db\uff1a<\/p>\n<pre><code>if (isPeakTime()) {\n    \/\/ \u5728\u9ad8\u5cf0\u671f\u4f7f\u7528\u5167\u5b58\u5b58\u5132\n    redis.set(\"hot_data\", \"value\", \"EX\", 3600);\n} else {\n    \/\/ \u5728\u975e\u9ad8\u5cf0\u671f\u4f7f\u7528\u78c1\u789f\u5b58\u5132\n    saveToDisk(\"hot_data\", \"value\");\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-OZzKHnMAap\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u71b1\u6578\u64da\u7684\u512a\u5316\u7b56\u7565\u5207\u63db\uff0c\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5b58\u53d6\u7684\u6548\u7387\uff0c\u9084\u80fd\u6839\u64da\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\u9748\u6d3b\u8abf\u6574\u5b58\u5132\u7b56\u7565\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u8a2a\u554f\u6a21\u5f0f\u7684\u8b8a\u5316\uff0c\u4f01\u696d\u9700\u8981\u4e0d\u65b7\u512a\u5316\u5176\u6578\u64da\u7ba1\u7406\u7b56\u7565\uff0c\u4ee5\u4fdd\u6301\u7af6\u722d\u512a\u52e2\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u71b1\u6578\u64da\u512a\u5316\u7b56\u7565\u5207\u63db\uff0c\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\u8207\u6548\u7387\uff0c\u6eff\u8db3\u9ad8\u983b\u8a2a\u554f\u9700\u6c42\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-167695","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167695","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=167695"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167695\/revisions"}],"predecessor-version":[{"id":167696,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167695\/revisions\/167696"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}