{"id":98228,"date":"2024-10-21T00:51:16","date_gmt":"2024-10-20T16:51:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98228\/"},"modified":"2024-10-21T00:51:17","modified_gmt":"2024-10-20T16:51:17","slug":"redis-%e8%b6%85%e6%99%82%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%8c%91%e6%88%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98228\/","title":{"rendered":"Redis \u8d85\u6642\u591a\u7dda\u7a0b\u6311\u6230"},"content":{"rendered":"<h1 id=\"redis-%e8%b6%85%e6%99%82%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%8c%91%e6%88%b0-WTUIjFYTdq\">Redis \u8d85\u6642\u591a\u7dda\u7a0b\u6311\u6230<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u7576\u6d89\u53ca\u5230\u591a\u7dda\u7a0b\u74b0\u5883\u6642\uff0cRedis \u7684\u8d85\u6642\u7ba1\u7406\u537b\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u8d85\u6642\u8655\u7406\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-WTUIjFYTdq\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\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\u7b49\u3002\u5b83\u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\u3002Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u8d85\u6642\uff0c\u4f8b\u5982 <code>EXPIRE<\/code> \u548c <code>SETEX<\/code>\uff0c\u9019\u4e9b\u547d\u4ee4\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u63a7\u5236\u6578\u64da\u7684\u6709\u6548\u6027\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%ad%e7%9a%84%e6%8c%91%e6%88%b0-WTUIjFYTdq\">\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u6311\u6230<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0cRedis \u7684\u55ae\u7dda\u7a0b\u7279\u6027\u53ef\u80fd\u6703\u5c0e\u81f4\u4e00\u4e9b\u6311\u6230\u3002\u7576\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8a2a\u554f Redis \u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u7af6\u722d\u689d\u4ef6\uff1a<\/strong>\u591a\u500b\u7dda\u7a0b\u53ef\u80fd\u540c\u6642\u5617\u8a66\u8a2d\u7f6e\u6216\u66f4\u65b0\u540c\u4e00\u500b\u9375\u7684\u8d85\u6642\uff0c\u5c0e\u81f4\u4e0d\u4e00\u81f4\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u8d85\u6642\u5931\u6548\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u7dda\u7a0b\u5728\u8a2d\u7f6e\u8d85\u6642\u5f8c\uff0c\u53e6\u4e00\u500b\u7dda\u7a0b\u53ef\u80fd\u6703\u5728\u8d85\u6642\u4e4b\u524d\u8b80\u53d6\u8a72\u9375\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u904e\u671f\u6578\u64da\u7684\u4f7f\u7528\u3002<\/li>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u7531\u65bc Redis \u662f\u55ae\u7dda\u7a0b\u7684\uff0c\u7576\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8acb\u6c42\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-WTUIjFYTdq\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u9019\u4e9b\u6311\u6230\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%8e%96%e6%a9%9f%e5%88%b6-WTUIjFYTdq\">1. \u4f7f\u7528\u9396\u6a5f\u5236<\/h3>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u9396\u4f86\u78ba\u4fdd\u5c0d Redis \u7684\u8a2a\u554f\u662f\u5b89\u5168\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 <code>SETNX<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u9396\u7684\u6a5f\u5236\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SETNX lock_key 1\nEXPIRE lock_key 5\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5728\u8a2d\u7f6e\u8d85\u6642\u6642\uff0c\u53ea\u6709\u4e00\u500b\u7dda\u7a0b\u80fd\u5920\u8a2a\u554f\u8a72\u9375\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac-WTUIjFYTdq\">2. \u4f7f\u7528 Lua \u8173\u672c<\/h3>\n<p>Redis \u652f\u6301 Lua \u8173\u672c\uff0c\u9019\u4f7f\u5f97\u53ef\u4ee5\u5728\u670d\u52d9\u5668\u7aef\u57f7\u884c\u539f\u5b50\u64cd\u4f5c\u3002\u901a\u904e\u5c07\u8d85\u6642\u8a2d\u7f6e\u548c\u6578\u64da\u66f4\u65b0\u653e\u5728\u540c\u4e00\u500b Lua \u8173\u672c\u4e2d\uff0c\u53ef\u4ee5\u907f\u514d\u7af6\u722d\u689d\u4ef6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>eval \"redis.call('set', KEYS[1], ARGV[1], 'EX', ARGV[2])\" 1 key value timeout\n<\/code><\/pre>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e9%8d%b5-WTUIjFYTdq\">3. \u5b9a\u671f\u6e05\u7406\u904e\u671f\u9375<\/h3>\n<p>\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\uff0c\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u904e\u671f\u7684\u9375\uff0c\u4ee5\u6e1b\u5c11\u904e\u671f\u6578\u64da\u7684\u5f71\u97ff\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u4e0d\u6703\u4f7f\u7528\u904e\u671f\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-WTUIjFYTdq\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u76e1\u91cf\u6e1b\u5c11\u5c0d\u540c\u4e00\u9375\u7684\u983b\u7e41\u8a2a\u554f\uff0c\u4f7f\u7528\u6279\u91cf\u64cd\u4f5c\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\u6642\uff0c\u8003\u616e\u5230\u591a\u7dda\u7a0b\u7684\u9700\u6c42\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7af6\u722d\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u6027\u80fd\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u4ee5\u9069\u61c9\u61c9\u7528\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WTUIjFYTdq\">\u7e3d\u7d50<\/h2>\n<p>Redis \u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u8d85\u6642\u7ba1\u7406\u662f\u4e00\u500b\u8907\u96dc\u7684\u6311\u6230\uff0c\u4f46\u901a\u904e\u9069\u7576\u7684\u9396\u6a5f\u5236\u3001Lua \u8173\u672c\u548c\u5b9a\u671f\u6e05\u7406\u904e\u671f\u9375\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u6311\u6230\u548c\u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\u7528 Redis \u7684\u5f37\u5927\u529f\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u8d85\u6642\u591a\u7dda\u7a0b\u6311\u6230\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u8d85\u6642\u554f\u984c\uff0c\u63d0\u5347\u6027\u80fd\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-98228","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98228","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=98228"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98228\/revisions"}],"predecessor-version":[{"id":98229,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98228\/revisions\/98229"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}