{"id":159723,"date":"2024-11-03T17:05:04","date_gmt":"2024-11-03T09:05:04","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159723\/"},"modified":"2024-11-03T17:05:05","modified_gmt":"2024-11-03T09:05:05","slug":"%e7%b4%85%e8%89%b2%e9%8e%96%e5%8d%a1%e7%ad%89%e5%be%85%e7%9a%84%e4%b8%8d%e5%8f%aa%e6%98%af%e6%99%82%e9%96%93%ef%bc%88redis%e9%8e%96%e7%ad%89%e5%be%85%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159723\/","title":{"rendered":"\u7d05\u8272\u9396\u5361\u7b49\u5f85\u7684\u4e0d\u53ea\u662f\u6642\u9593\uff08redis\u9396\u7b49\u5f85\uff09"},"content":{"rendered":"<h1 id=\"%e7%b4%85%e8%89%b2%e9%8e%96%e5%8d%a1%e7%ad%89%e5%be%85%e7%9a%84%e4%b8%8d%e5%8f%aa%e6%98%af%e6%99%82%e9%96%93%ef%bc%88redis%e9%8e%96%e7%ad%89%e5%be%85%ef%bc%89-UrHIzyehnL\">\u7d05\u8272\u9396\u5361\u7b49\u5f85\u7684\u4e0d\u53ea\u662f\u6642\u9593\uff08Redis\u9396\u7b49\u5f85\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u662f\u5e38\u898b\u7684\u73fe\u8c61\u3002\u7576\u591a\u500b\u9032\u7a0b\u6216\u7dda\u7a0b\u540c\u6642\u5617\u8a66\u8a2a\u554f\u5171\u4eab\u8cc7\u6e90\u6642\uff0c\u70ba\u4e86\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u6027\uff0c\u901a\u5e38\u9700\u8981\u4f7f\u7528\u9396\u4f86\u9032\u884c\u540c\u6b65\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u7d05\u8272\u9396\uff08Redlock\uff09\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u5206\u4f48\u5f0f\u9396\u65b9\u6848\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u7d05\u8272\u9396\u7684\u5de5\u4f5c\u539f\u7406\u3001\u512a\u7f3a\u9ede\u4ee5\u53ca\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%85%e8%89%b2%e9%8e%96%ef%bc%9f-UrHIzyehnL\">\u4ec0\u9ebc\u662f\u7d05\u8272\u9396\uff1f<\/h2>\n<p>\u7d05\u8272\u9396\u662f\u4e00\u7a2e\u7531Redis\u5275\u59cb\u4ebaAntirez\u63d0\u51fa\u7684\u5206\u4f48\u5f0f\u9396\u5be6\u73fe\u65b9\u6848\u3002\u5b83\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e4b\u9593\u5be6\u73fe\u9396\u7684\u4e92\u65a5\u6027\uff0c\u5f9e\u800c\u4fdd\u8b49\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u5b89\u5168\u8a2a\u554f\u3002\u7d05\u8272\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u901a\u904e\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e0a\u8a2d\u7f6e\u9396\u4f86\u9054\u6210\uff0c\u9019\u6a23\u5373\u4f7f\u67d0\u500b\u5be6\u4f8b\u5931\u6548\uff0c\u5176\u4ed6\u5be6\u4f8b\u4ecd\u7136\u53ef\u4ee5\u7dad\u6301\u9396\u7684\u6709\u6548\u6027\u3002<\/p>\n<h2 id=\"%e7%b4%85%e8%89%b2%e9%8e%96%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-UrHIzyehnL\">\u7d05\u8272\u9396\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u7d05\u8272\u9396\u7684\u5be6\u73fe\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5ba2\u6236\u7aef\u5411\u591a\u500bRedis\u5be6\u4f8b\u8acb\u6c42\u9396\uff0c\u901a\u5e38\u662f5\u500b\u5be6\u4f8b\u3002<\/li>\n<li>\u5ba2\u6236\u7aef\u5728\u6bcf\u500b\u5be6\u4f8b\u4e0a\u8a2d\u7f6e\u9396\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u3002<\/li>\n<li>\u5ba2\u6236\u7aef\u9700\u8981\u5728\u5927\u591a\u6578\u5be6\u4f8b\u4e0a\u6210\u529f\u8a2d\u7f6e\u9396\uff08\u4f8b\u59823\u500b\u4ee5\u4e0a\uff09\uff0c\u624d\u80fd\u8a8d\u70ba\u7372\u5f97\u4e86\u9396\u3002<\/li>\n<li>\u7576\u5ba2\u6236\u7aef\u5b8c\u6210\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u64cd\u4f5c\u5f8c\uff0c\u5fc5\u9808\u91cb\u653e\u9396\uff0c\u9019\u901a\u5e38\u662f\u901a\u904e\u522a\u9664\u9396\u7684\u9375\u4f86\u5be6\u73fe\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7d05\u8272\u9396\u5be6\u73fe\u7684\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nfunction acquireLock($key, $value, $expire) {\n    $success = 0;\n    $instances = ['redis1', 'redis2', 'redis3', 'redis4', 'redis5'];\n    \n    foreach ($instances as $instance) {\n        if (setLock($instance, $key, $value, $expire)) {\n            $success++;\n        }\n    }\n    \n    return $success &gt;= 3; 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