{"id":190074,"date":"2024-11-12T09:33:19","date_gmt":"2024-11-12T01:33:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190074\/"},"modified":"2024-11-12T09:33:20","modified_gmt":"2024-11-12T01:33:20","slug":"%e7%8e%a9%e8%bd%89redis%e4%b9%8b%e9%8e%96%e6%82%b2%e8%a7%80%e9%8e%96%e8%88%87%e6%a8%82%e8%a7%80%e9%8e%96%ef%bc%88redis%e9%8e%96%e6%82%b2%e8%a7%80%e9%8e%96%e6%a8%82%e8%a7%80%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190074\/","title":{"rendered":"\u73a9\u8f49Redis\u4e4b\u9396\u60b2\u89c0\u9396\u8207\u6a02\u89c0\u9396\uff08redis\u9396\u60b2\u89c0\u9396\u6a02\u89c0\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e7%8e%a9%e8%bd%89redis%e4%b9%8b%e9%8e%96%e6%82%b2%e8%a7%80%e9%8e%96%e8%88%87%e6%a8%82%e8%a7%80%e9%8e%96-eJEonPhgZD\">\u73a9\u8f49Redis\u4e4b\u9396\u60b2\u89c0\u9396\u8207\u6a02\u89c0\u9396<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u4e00\u81f4\u6027\u548c\u4e26\u767c\u63a7\u5236\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u6a5f\u5236\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u7ba1\u7406\u6578\u64da\u7684\u4e26\u767c\u8a2a\u554f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u4e2d\u7684\u60b2\u89c0\u9396\u8207\u6a02\u89c0\u9396\uff0c\u4e26\u5206\u6790\u5b83\u5011\u7684\u7279\u9ede\u3001\u4f7f\u7528\u5834\u666f\u53ca\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%8e%96%ef%bc%9f-eJEonPhgZD\">\u4ec0\u9ebc\u662f\u9396\uff1f<\/h2>\n<p>\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5728\u591a\u7dda\u7a0b\u6216\u591a\u9032\u7a0b\u74b0\u5883\u4e2d\uff0c\u9396\u53ef\u4ee5\u9632\u6b62\u6578\u64da\u7af6\u722d\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u6839\u64da\u9396\u7684\u7b56\u7565\u4e0d\u540c\uff0c\u9396\u53ef\u4ee5\u5206\u70ba\u60b2\u89c0\u9396\u548c\u6a02\u89c0\u9396\u3002<\/p>\n<h2 id=\"%e6%82%b2%e8%a7%80%e9%8e%96-eJEonPhgZD\">\u60b2\u89c0\u9396<\/h2>\n<p>\u60b2\u89c0\u9396\u662f\u4e00\u7a2e\u5047\u8a2d\u6703\u767c\u751f\u885d\u7a81\u7684\u9396\u6a5f\u5236\u3002\u5728\u4f7f\u7528\u60b2\u89c0\u9396\u6642\uff0c\u7cfb\u7d71\u6703\u5728\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u4e4b\u524d\uff0c\u5148\u7372\u53d6\u9396\uff0c\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5176\u4ed6\u9032\u7a0b\u6216\u7dda\u7a0b\u540c\u6642\u8a2a\u554f\u8a72\u8cc7\u6e90\u3002\u9019\u7a2e\u65b9\u5f0f\u9069\u5408\u65bc\u5beb\u64cd\u4f5c\u983b\u7e41\u7684\u5834\u666f\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u6709\u6548\u5730\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h3 id=\"redis%e4%b8%ad%e7%9a%84%e6%82%b2%e8%a7%80%e9%8e%96%e5%af%a6%e7%8f%be-eJEonPhgZD\">Redis\u4e2d\u7684\u60b2\u89c0\u9396\u5be6\u73fe<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u60b2\u89c0\u9396\u901a\u5e38\u662f\u901a\u904e\u4f7f\u7528SETNX\u547d\u4ee4\u4f86\u5be6\u73fe\u7684\u3002SETNX\u547d\u4ee4\u7684\u5168\u540d\u662f\u201cSET if Not eXists\u201d\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u53ea\u6709\u5728\u9375\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u624d\u6703\u8a2d\u7f6e\u9375\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key \"locked\"  \/\/ \u5617\u8a66\u7372\u53d6\u9396\nEXPIRE lock_key 10         \/\/ \u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576\u4e00\u500b\u9032\u7a0b\u7372\u53d6\u5230\u9396\u5f8c\uff0c\u5176\u4ed6\u9032\u7a0b\u5c07\u7121\u6cd5\u7372\u53d6\u8a72\u9396\uff0c\u76f4\u5230\u9396\u88ab\u91cb\u653e\u6216\u904e\u671f\u3002<\/p>\n<h2 id=\"%e6%a8%82%e8%a7%80%e9%8e%96-eJEonPhgZD\">\u6a02\u89c0\u9396<\/h2>\n<p>\u8207\u60b2\u89c0\u9396\u76f8\u5c0d\uff0c\u6a02\u89c0\u9396\u662f\u4e00\u7a2e\u5047\u8a2d\u4e0d\u6703\u767c\u751f\u885d\u7a81\u7684\u9396\u6a5f\u5236\u3002\u5728\u4f7f\u7528\u6a02\u89c0\u9396\u6642\uff0c\u7cfb\u7d71\u4e0d\u6703\u5728\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u4e4b\u524d\u7372\u53d6\u9396\uff0c\u800c\u662f\u5728\u64cd\u4f5c\u5b8c\u6210\u5f8c\u6aa2\u67e5\u662f\u5426\u767c\u751f\u4e86\u885d\u7a81\u3002\u9019\u7a2e\u65b9\u5f0f\u9069\u5408\u65bc\u8b80\u64cd\u4f5c\u983b\u7e41\u7684\u5834\u666f\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u4e26\u767c\u6027\u80fd\u3002<\/p>\n<h3 id=\"redis%e4%b8%ad%e7%9a%84%e6%a8%82%e8%a7%80%e9%8e%96%e5%af%a6%e7%8f%be-eJEonPhgZD\">Redis\u4e2d\u7684\u6a02\u89c0\u9396\u5be6\u73fe<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u6a02\u89c0\u9396\u901a\u5e38\u662f\u901a\u904eWATCH\u547d\u4ee4\u4f86\u5be6\u73fe\u7684\u3002WATCH\u547d\u4ee4\u53ef\u4ee5\u76e3\u8996\u4e00\u500b\u6216\u591a\u500b\u9375\uff0c\u7576\u9019\u4e9b\u9375\u5728\u4e8b\u52d9\u57f7\u884c\u4e4b\u524d\u88ab\u4fee\u6539\u6642\uff0c\u4e8b\u52d9\u5c07\u6703\u5931\u6557\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>WATCH key1\nMULTI\nSET key1 \"new_value\"\nEXEC\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576WATCH\u547d\u4ee4\u76e3\u8996\u7684key1\u88ab\u5176\u4ed6\u9032\u7a0b\u4fee\u6539\u6642\uff0cEXEC\u547d\u4ee4\u5c07\u6703\u5931\u6557\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e6%82%b2%e8%a7%80%e9%8e%96%e8%88%87%e6%a8%82%e8%a7%80%e9%8e%96%e7%9a%84%e6%af%94%e8%bc%83-eJEonPhgZD\">\u60b2\u89c0\u9396\u8207\u6a02\u89c0\u9396\u7684\u6bd4\u8f03<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u6a02\u89c0\u9396\u5728\u8b80\u64cd\u4f5c\u983b\u7e41\u7684\u5834\u666f\u4e2d\u6027\u80fd\u66f4\u597d\uff0c\u800c\u60b2\u89c0\u9396\u5728\u5beb\u64cd\u4f5c\u983b\u7e41\u7684\u5834\u666f\u4e2d\u66f4\u70ba\u7a69\u5b9a\u3002<\/li>\n<li><strong>\u5be6\u73fe\u8907\u96dc\u5ea6\uff1a<\/strong>\u60b2\u89c0\u9396\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u800c\u6a02\u89c0\u9396\u9700\u8981\u984d\u5916\u7684\u6aa2\u67e5\u6b65\u9a5f\u3002<\/li>\n<li><strong>\u9069\u7528\u5834\u666f\uff1a<\/strong>\u60b2\u89c0\u9396\u9069\u5408\u65bc\u9ad8\u5beb\u5165\u885d\u7a81\u7684\u5834\u666f\uff0c\u6a02\u89c0\u9396\u9069\u5408\u65bc\u9ad8\u8b80\u53d6\u885d\u7a81\u7684\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eJEonPhgZD\">\u7e3d\u7d50<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u9078\u64c7\u4f7f\u7528\u60b2\u89c0\u9396\u9084\u662f\u6a02\u89c0\u9396\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u548c\u9700\u6c42\u3002\u7406\u89e3\u9019\u5169\u7a2e\u9396\u7684\u7279\u9ede\u53ca\u5176\u5be6\u73fe\u65b9\u5f0f\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u4e26\u767c\u6027\u3002\u7121\u8ad6\u662f\u9078\u64c7\u4f7f\u7528Redis\u7684\u60b2\u89c0\u9396\u9084\u662f\u6a02\u89c0\u9396\uff0c\u6b63\u78ba\u7684\u4f7f\u7528\u65b9\u5f0f\u90fd\u80fd\u5920\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\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\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u96f2\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2d\u7684\u60b2\u89c0\u9396\u8207\u6a02\u89c0\u9396\uff0c\u4e86\u89e3\u5176\u539f\u7406\u3001\u61c9\u7528\u5834\u666f\u53ca\u6027\u80fd\u5dee\u7570\uff0c\u63d0\u5347\u6578\u64da\u4e00\u81f4\u6027\u8207\u7cfb\u7d71\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-190074","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190074","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=190074"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190074\/revisions"}],"predecessor-version":[{"id":190075,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190074\/revisions\/190075"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}