{"id":128339,"date":"2024-10-26T13:25:17","date_gmt":"2024-10-26T05:25:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128339\/"},"modified":"2024-10-26T13:25:17","modified_gmt":"2024-10-26T05:25:17","slug":"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e6%a9%9f%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128339\/","title":{"rendered":"Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u6a5f\u5236"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e6%a9%9f%e5%88%b6-wcIfuaocaf\">Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u6a5f\u5236<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u548c\u6578\u64da\u7684\u4e00\u81f4\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u554f\u984c\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u5206\u5e03\u5f0f\u9396\u6a5f\u5236\u61c9\u904b\u800c\u751f\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u6a5f\u5236\uff0c\u5305\u62ec\u5176\u539f\u7406\u3001\u5be6\u73fe\u65b9\u6cd5\u53ca\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-wcIfuaocaf\">\u5206\u5e03\u5f0f\u9396\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7576\u591a\u500b\u5be6\u4f8b\u540c\u6642\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u8cc7\u6e90\u7af6\u722d\u7684\u554f\u984c\u3002\u5206\u5e03\u5f0f\u9396\u7684\u4e3b\u8981\u76ee\u7684\u662f\u78ba\u4fdd\u5728\u540c\u4e00\u6642\u9593\u5167\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u80fd\u5920\u8a2a\u554f\u7279\u5b9a\u7684\u8cc7\u6e90\uff0c\u5f9e\u800c\u907f\u514d\u9019\u4e9b\u554f\u984c\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"redis-%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-wcIfuaocaf\">Redis \u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u5229\u7528 Redis \u7684\u539f\u5b50\u6027\u64cd\u4f5c\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002\u7576\u4e00\u500b\u5be6\u4f8b\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5411 Redis \u767c\u9001\u4e00\u500b\u547d\u4ee4\uff0c\u5617\u8a66\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u5373\u4f7f\u5728\u5be6\u4f8b\u5d29\u6f70\u7684\u60c5\u6cc1\u4e0b\uff0c\u9396\u4e5f\u4e0d\u6703\u6c38\u4e45\u5b58\u5728\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e7%8d%b2%e5%8f%96-wcIfuaocaf\">\u9396\u7684\u7372\u53d6<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 Redis \u7372\u53d6\u9396\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>SET lock_key unique_lock_value NX PX 30000<\/code><\/pre>\n<ul>\n<li><code>lock_key<\/code>\uff1a\u9396\u7684\u9375\u540d\u3002<\/li>\n<li><code>unique_lock_value<\/code>\uff1a\u4e00\u500b\u552f\u4e00\u7684\u503c\uff0c\u7528\u65bc\u6a19\u8b58\u9396\u7684\u64c1\u6709\u8005\u3002<\/li>\n<li><code>NX<\/code>\uff1a\u53ea\u6709\u7576\u9375\u4e0d\u5b58\u5728\u6642\u624d\u8a2d\u7f6e\u9375\u3002<\/li>\n<li><code>PX 30000<\/code>\uff1a\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u70ba 30 \u79d2\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u547d\u4ee4\u8fd4\u56de OK\uff0c\u5247\u8868\u793a\u9396\u7372\u53d6\u6210\u529f\uff1b\u5982\u679c\u8fd4\u56de nil\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5be6\u4f8b\u7372\u53d6\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-wcIfuaocaf\">\u9396\u7684\u91cb\u653e<\/h3>\n<p>\u91cb\u653e\u9396\u7684\u904e\u7a0b\u9700\u8981\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u8aa4\u91cb\u653e\u5176\u4ed6\u5be6\u4f8b\u7684\u9396\u3002\u91cb\u653e\u9396\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>if (GET lock_key == unique_lock_value) { DEL lock_key }<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u9996\u5148\u6aa2\u67e5\u7576\u524d\u5be6\u4f8b\u662f\u5426\u662f\u9396\u7684\u64c1\u6709\u8005\uff0c\u53ea\u6709\u5728\u64c1\u6709\u8005\u7684\u60c5\u6cc1\u4e0b\u624d\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-wcIfuaocaf\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u9396\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u904e\u77ed\u7684\u904e\u671f\u6642\u9593\u53ef\u80fd\u5c0e\u81f4\u9396\u88ab\u610f\u5916\u91cb\u653e\uff0c\u800c\u904e\u9577\u7684\u904e\u671f\u6642\u9593\u5247\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6e90\u7684\u9577\u6642\u9593\u4f54\u7528\u3002<\/li>\n<li><strong>\u9396\u7684\u91cd\u5165\u6027\uff1a<\/strong>\u5982\u679c\u9700\u8981\u652f\u6301\u9396\u7684\u91cd\u5165\u6027\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u8a08\u6578\u5668\u4f86\u8a18\u9304\u9396\u7684\u7372\u53d6\u6b21\u6578\u3002<\/li>\n<li><strong>\u7db2\u7d61\u5ef6\u9072\uff1a<\/strong>\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7db2\u7d61\u5ef6\u9072\u53ef\u80fd\u6703\u5f71\u97ff\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\uff0c\u56e0\u6b64\u9700\u8981\u8003\u616e\u5230\u9019\u4e00\u9ede\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-wcIfuaocaf\">\u7d50\u8ad6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u6a5f\u5236\uff0c\u901a\u904e\u539f\u5b50\u6027\u64cd\u4f5c\u4f86\u78ba\u4fdd\u8cc7\u6e90\u7684\u5b89\u5168\u8a2a\u554f\u3002\u5728\u8a2d\u8a08\u548c\u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u9396\u7684\u904e\u671f\u6642\u9593\u3001\u91cd\u5165\u6027\u4ee5\u53ca\u7db2\u7d61\u5ef6\u9072\u7b49\u56e0\u7d20\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u9ad8\u6548\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5be6\u73fe\u7684\u5206\u5e03\u5f0f\u9396\u6a5f\u5236\uff0c\u4e86\u89e3\u5176\u539f\u7406\u3001\u512a\u52e2\u53ca\u61c9\u7528\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u4e26\u767c\u63a7\u5236\u8207\u6578\u64da\u4e00\u81f4\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-128339","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128339","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=128339"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128339\/revisions"}],"predecessor-version":[{"id":128340,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128339\/revisions\/128340"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}