{"id":190574,"date":"2024-11-12T13:43:27","date_gmt":"2024-11-12T05:43:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190574\/"},"modified":"2024-11-12T13:43:29","modified_gmt":"2024-11-12T05:43:29","slug":"%e5%95%8f%e9%a1%8credis%e8%a7%a3%e6%b1%ba%e5%a4%a7%e9%83%a8%e5%88%86%e4%b8%a6%e7%99%bc%e5%95%8f%e9%a1%8c%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%a1%88%ef%bc%88redis%e8%a7%a3%e6%b1%ba%e5%a4%a7%e9%83%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190574\/","title":{"rendered":"\u554f\u984cRedis\u89e3\u6c7a\u5927\u90e8\u5206\u4e26\u767c\u554f\u984c\u7684\u6709\u6548\u65b9\u6848\uff08redis\u89e3\u6c7a\u5927\u90e8\u5206\u4e26\u767c\uff09"},"content":{"rendered":"<h1 id=\"%e5%95%8f%e9%a1%8credis%e8%a7%a3%e6%b1%ba%e5%a4%a7%e9%83%a8%e5%88%86%e4%b8%a6%e7%99%bc%e5%95%8f%e9%a1%8c%e7%9a%84%e6%9c%89%e6%95%88%e6%96%b9%e6%a1%88-hkXvikIBgH\">\u554f\u984cRedis\u89e3\u6c7a\u5927\u90e8\u5206\u4e26\u767c\u554f\u984c\u7684\u6709\u6548\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u4e26\u767c\u8655\u7406\u662f\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u4e26\u767c\u8acb\u6c42\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\uff0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u4e86\u89e3\u6c7a\u4e26\u767c\u554f\u984c\u7684\u6709\u6548\u65b9\u6848\u4e4b\u4e00\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%89%b9%e6%80%a7-hkXvikIBgH\">Redis\u7684\u57fa\u672c\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\u7b49\u3002\u5176\u4e3b\u8981\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\u8868\u73fe\u51fa\u8272\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\uff1a<\/strong>Redis\u652f\u6301\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u7cfb\u7d71\u5d29\u6f70\u800c\u4e1f\u5931\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u6709\u6548\u907f\u514d\u6578\u64da\u7af6\u722d\u554f\u984c\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u652f\u6301\uff1a<\/strong>Redis Cluster\u5141\u8a31\u5c07\u6578\u64da\u5206\u4f48\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e8%a7%a3%e6%b1%ba%e4%b8%a6%e7%99%bc%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%a1%88-hkXvikIBgH\">Redis\u89e3\u6c7a\u4e26\u767c\u554f\u984c\u7684\u65b9\u6848<\/h2>\n<p>\u5728\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u6642\uff0cRedis\u63d0\u4f9b\u4e86\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<h3 id=\"1-%e9%8e%96%e6%a9%9f%e5%88%b6-hkXvikIBgH\">1. \u9396\u6a5f\u5236<\/h3>\n<p>\u5728\u591a\u500b\u8acb\u6c42\u9700\u8981\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u6642\uff0c\u4f7f\u7528\u9396\u6a5f\u5236\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684\u9396\u5be6\u73fe\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528SETNX\u547d\u4ee4\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u5728\u9396\u5b9a\u6210\u529f\u5f8c\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h3 id=\"2-%e9%99%90%e6%b5%81-hkXvikIBgH\">2. \u9650\u6d41<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e2d\uff0c\u70ba\u4e86\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41\u3002\u901a\u904e\u8a18\u9304\u8acb\u6c42\u7684\u6642\u9593\u6233\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9650\u5236\u67d0\u500b\u7528\u6236\u5728\u4e00\u5b9a\u6642\u9593\u5167\u7684\u8acb\u6c42\u6b21\u6578\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>INCR user_request_count\nEXPIRE user_request_count 60\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u5728\u6bcf\u6b21\u8acb\u6c42\u6642\u589e\u52a0\u8a08\u6578\uff0c\u4e26\u572860\u79d2\u5f8c\u81ea\u52d5\u904e\u671f\uff0c\u5f9e\u800c\u5be6\u73fe\u7c21\u55ae\u7684\u9650\u6d41\u7b56\u7565\u3002<\/p>\n<h3 id=\"3-%e7%b7%a9%e5%ad%98-hkXvikIBgH\">3. \u7de9\u5b58<\/h3>\n<p>\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u5c64\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8b80\u53d6\u58d3\u529b\u3002\u7576\u7528\u6236\u8acb\u6c42\u6578\u64da\u6642\uff0c\u9996\u5148\u67e5\u8a62Redis\uff0c\u5982\u679c\u672a\u547d\u4e2d\u5247\u67e5\u8a62\u6578\u64da\u5eab\uff0c\u4e26\u5c07\u7d50\u679c\u7de9\u5b58\u5230Redis\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>if (redis.exists(key)) {\n    return redis.get(key);\n} else {\n    data = database.query(key);\n    redis.set(key, data);\n    return data;\n}\n<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u8a2d\u8a08\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u6e1b\u5c11\u4e86\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hkXvikIBgH\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u89e3\u6c7a\u5927\u90e8\u5206\u4e26\u767c\u554f\u984c\u3002\u901a\u904e\u9396\u6a5f\u5236\u3001\u9650\u6d41\u548c\u7de9\u5b58\u7b49\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u4fdd\u6301\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0cRedis\u7684\u61c9\u7528\u5834\u666f\u5c07\u6703\u66f4\u52a0\u5ee3\u6cdb\uff0c\u6210\u70ba\u672a\u4f86\u7cfb\u7d71\u67b6\u69cb\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u9ad8\u4e26\u767c\u7684\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis offers effective solutions for most concurrency issues, enhancing performance and scalability in high-demand applications.<\/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-190574","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190574","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=190574"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190574\/revisions"}],"predecessor-version":[{"id":190575,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190574\/revisions\/190575"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}