{"id":128779,"date":"2024-10-26T16:41:20","date_gmt":"2024-10-26T08:41:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128779\/"},"modified":"2024-10-26T16:41:21","modified_gmt":"2024-10-26T08:41:21","slug":"redis%e5%af%a6%e7%8f%be%e5%85%a9%e5%80%8b%e9%8e%96%e7%9a%84%e4%b8%a6%e7%99%bc%e7%8d%b2%e5%8f%96%ef%bc%88redis%e7%8d%b2%e5%8f%96%e5%85%a9%e5%80%8b%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128779\/","title":{"rendered":"Redis\u5be6\u73fe\u5169\u500b\u9396\u7684\u4e26\u767c\u7372\u53d6\uff08redis\u7372\u53d6\u5169\u500b\u9396\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e5%85%a9%e5%80%8b%e9%8e%96%e7%9a%84%e4%b8%a6%e7%99%bc%e7%8d%b2%e5%8f%96%ef%bc%88redis%e7%8d%b2%e5%8f%96%e5%85%a9%e5%80%8b%e9%8e%96%ef%bc%89-LQSxVAauuk\">Redis\u5be6\u73fe\u5169\u500b\u9396\u7684\u4e26\u767c\u7372\u53d6\uff08redis\u7372\u53d6\u5169\u500b\u9396\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9396\u7684\u6a5f\u5236\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u5169\u500b\u9396\u7684\u4e26\u767c\u7372\u53d6\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%8e%96%ef%bc%9f-LQSxVAauuk\">\u4ec0\u9ebc\u662f\u9396\uff1f<\/h2>\n<p>\u9396\u662f\u4e00\u7a2e\u540c\u6b65\u6a5f\u5236\uff0c\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u5728\u591a\u7dda\u7a0b\u6216\u591a\u9032\u7a0b\u74b0\u5883\u4e2d\uff0c\u9396\u53ef\u4ee5\u9632\u6b62\u540c\u6642\u8a2a\u554f\u5c0e\u81f4\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u554f\u984c\u3002Redis\u7684\u9396\u901a\u5e38\u662f\u57fa\u65bc\u9375\u7684\u5b58\u5728\u6027\u4f86\u5be6\u73fe\u7684\uff0c\u9019\u610f\u5473\u8457\u7576\u4e00\u500b\u9032\u7a0b\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5728Redis\u4e2d\u8a2d\u7f6e\u4e00\u500b\u9375\uff0c\u5176\u4ed6\u9032\u7a0b\u5728\u7372\u53d6\u9396\u4e4b\u524d\u9700\u8981\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u5b58\u5728\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%af%a6%e7%8f%be-LQSxVAauuk\">Redis\u9396\u7684\u57fa\u672c\u5be6\u73fe<\/h2>\n<p>\u5728Redis\u4e2d\u5be6\u73fe\u9396\u7684\u57fa\u672c\u601d\u8def\u662f\u4f7f\u7528SETNX\u547d\u4ee4\u3002SETNX\u547d\u4ee4\u6703\u5728\u9375\u4e0d\u5b58\u5728\u6642\u8a2d\u7f6e\u9375\u7684\u503c\uff0c\u4e26\u8fd4\u56de1\uff1b\u5982\u679c\u9375\u5df2\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5229\u7528SETNX\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002<\/p>\n<pre><code>\nSETNX lock_key value\n<\/code><\/pre>\n<p>\u7576\u4e00\u500b\u9032\u7a0b\u9700\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u53ef\u4ee5\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u3002\u5982\u679c\u8fd4\u56de\u503c\u70ba1\uff0c\u5247\u8868\u793a\u9396\u7372\u53d6\u6210\u529f\uff1b\u5982\u679c\u8fd4\u56de\u503c\u70ba0\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u9032\u7a0b\u7372\u53d6\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%85%a9%e5%80%8b%e9%8e%96%e7%9a%84%e4%b8%a6%e7%99%bc%e7%8d%b2%e5%8f%96-LQSxVAauuk\">\u5be6\u73fe\u5169\u500b\u9396\u7684\u4e26\u767c\u7372\u53d6<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u540c\u6642\u7372\u53d6\u5169\u500b\u9396\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528Redis\u7684\u4e8b\u52d9\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u5169\u500b\u9396\u7684\u4e26\u767c\u7372\u53d6\uff1a<\/p>\n<pre><code>\nMULTI\nSETNX lock_key1 value1\nSETNX lock_key2 value2\nEXEC\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528MULTI\u547d\u4ee4\u958b\u59cb\u4e00\u500b\u4e8b\u52d9\uff0c\u7136\u5f8c\u5617\u8a66\u540c\u6642\u7372\u53d6\u5169\u500b\u9396\u3002EXEC\u547d\u4ee4\u5c07\u57f7\u884c\u4e8b\u52d9\u4e2d\u7684\u6240\u6709\u547d\u4ee4\u3002\u5982\u679c\u5169\u500b\u9396\u90fd\u6210\u529f\u7372\u53d6\uff0c\u5247\u4e8b\u52d9\u5c07\u63d0\u4ea4\uff1b\u5982\u679c\u4efb\u4e00\u9396\u7372\u53d6\u5931\u6557\uff0c\u5247\u6574\u500b\u4e8b\u52d9\u5c07\u88ab\u56de\u6efe\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-LQSxVAauuk\">\u8655\u7406\u9396\u7684\u91cb\u653e<\/h2>\n<p>\u5728\u6210\u529f\u7372\u53d6\u9396\u5f8c\uff0c\u9032\u7a0b\u9700\u8981\u5728\u5b8c\u6210\u4efb\u52d9\u5f8c\u91cb\u653e\u9396\u3002\u9019\u53ef\u4ee5\u901a\u904e\u522a\u9664\u76f8\u61c9\u7684\u9375\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>\nDEL lock_key1\nDEL lock_key2\n<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u91cb\u653e\u9396\u7684\u64cd\u4f5c\u5fc5\u9808\u5728\u78ba\u4fdd\u9396\u7684\u64c1\u6709\u8005\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\uff0c\u4ee5\u9632\u6b62\u5176\u4ed6\u9032\u7a0b\u610f\u5916\u91cb\u653e\u9396\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5728\u8a2d\u7f6e\u9396\u6642\u9644\u52a0\u4e00\u500b\u552f\u4e00\u6a19\u8b58\u7b26\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-LQSxVAauuk\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u907f\u514d\u6b7b\u9396\uff1a\u5728\u7372\u53d6\u591a\u500b\u9396\u6642\uff0c\u61c9\u8a72\u9075\u5faa\u4e00\u5b9a\u7684\u9806\u5e8f\uff0c\u4ee5\u907f\u514d\u6b7b\u9396\u7684\u60c5\u6cc1\u3002<\/li>\n<li>\u9396\u7684\u8d85\u6642\uff1a\u70ba\u4e86\u9632\u6b62\u56e0\u70ba\u9032\u7a0b\u5d29\u6f70\u800c\u5c0e\u81f4\u7684\u9396\u7121\u6cd5\u91cb\u653e\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u9396\u7684\u8d85\u6642\u6642\u9593\u3002<\/li>\n<li>\u4f7f\u7528Redlock\u7b97\u6cd5\uff1a\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u4f7f\u7528Redlock\u7b97\u6cd5\u4f86\u5be6\u73fe\u66f4\u53ef\u9760\u7684\u9396\u6a5f\u5236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LQSxVAauuk\">\u7e3d\u7d50<\/h2>\n<p>\u5728Redis\u4e2d\u5be6\u73fe\u5169\u500b\u9396\u7684\u4e26\u767c\u7372\u53d6\u662f\u4e00\u500b\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u901a\u904e\u4f7f\u7528SETNX\u547d\u4ee4\u548cRedis\u7684\u4e8b\u52d9\u6a5f\u5236\uff0c\u6211\u5011\u53ef\u4ee5\u78ba\u4fdd\u5728\u591a\u9032\u7a0b\u74b0\u5883\u4e2d\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u9396\u6a5f\u5236\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bcVPS\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u5169\u500b\u9396\u7684\u4e26\u767c\u7372\u53d6\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u7387\u8207\u8cc7\u6e90\u7ba1\u7406\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u5b89\u5168\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-128779","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128779","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=128779"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128779\/revisions"}],"predecessor-version":[{"id":128780,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128779\/revisions\/128780"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}