{"id":128357,"date":"2024-10-26T13:34:18","date_gmt":"2024-10-26T05:34:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128357\/"},"modified":"2024-10-26T13:34:19","modified_gmt":"2024-10-26T05:34:19","slug":"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e8%81%af%e5%90%88%e9%8e%96%e6%8a%80%e8%a1%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128357\/","title":{"rendered":"Redis \u5be6\u73fe\u7684\u806f\u5408\u9396\u6280\u8853"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e7%9a%84%e8%81%af%e5%90%88%e9%8e%96%e6%8a%80%e8%a1%93-fTPuBwrgUh\">Redis \u5be6\u73fe\u7684\u806f\u5408\u9396\u6280\u8853<\/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\u5be6\u73fe\u9396\u7684\u65b9\u5f0f\uff0c\u5176\u4e2d\u806f\u5408\u9396\u6280\u8853\uff08\u4e5f\u7a31\u70ba Redlock\uff09\u662f\u4e00\u7a2e\u7279\u5225\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u5be6\u73fe\u7684\u806f\u5408\u9396\u6280\u8853\u7684\u539f\u7406\u3001\u512a\u52e2\u53ca\u5176\u4f7f\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%81%af%e5%90%88%e9%8e%96%e6%8a%80%e8%a1%93%ef%bc%9f-fTPuBwrgUh\">\u4ec0\u9ebc\u662f\u806f\u5408\u9396\u6280\u8853\uff1f<\/h2>\n<p>\u806f\u5408\u9396\u6280\u8853\u662f\u7531 Redis \u7684\u5275\u59cb\u4eba Antirez \u63d0\u51fa\u7684\uff0c\u65e8\u5728\u89e3\u6c7a\u5728\u5206\u4f48\u5f0f\u74b0\u5883\u4e2d\u4f7f\u7528\u9396\u6642\u53ef\u80fd\u51fa\u73fe\u7684\u554f\u984c\u3002\u50b3\u7d71\u7684\u9396\u6a5f\u5236\u5728\u55ae\u4e00\u5be6\u4f8b\u4e2d\u904b\u884c\u826f\u597d\uff0c\u4f46\u5728\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\uff0c\u5c24\u5176\u662f\u5728\u4e0d\u540c\u7684\u670d\u52d9\u5668\u4e0a\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u9396\u7684\u5931\u6548\u6216\u6b7b\u9396\u3002\u806f\u5408\u9396\u6280\u8853\u901a\u904e\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e0a\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\uff0c\u4f86\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u3002<\/p>\n<h2 id=\"%e8%81%af%e5%90%88%e9%8e%96%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-fTPuBwrgUh\">\u806f\u5408\u9396\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u806f\u5408\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u591a\u500b Redis \u5be6\u4f8b\u4f86\u7372\u53d6\u9396\u3002\u5177\u9ad4\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e0a\u5617\u8a66\u7372\u53d6\u9396\uff0c\u901a\u5e38\u662f\u4e94\u500b\u5be6\u4f8b\u3002<\/li>\n<li>\u6bcf\u500b\u5be6\u4f8b\u90fd\u6703\u8a2d\u7f6e\u4e00\u500b\u552f\u4e00\u7684\u9396\u6a19\u8b58\u7b26\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u3002<\/li>\n<li>\u5982\u679c\u5927\u591a\u6578\u5be6\u4f8b\uff08\u4f8b\u5982\u4e09\u500b\u6216\u66f4\u591a\uff09\u6210\u529f\u7372\u53d6\u9396\uff0c\u5247\u8a8d\u70ba\u9396\u7372\u53d6\u6210\u529f\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u5b8c\u8cc7\u6e90\u5f8c\uff0c\u5fc5\u9808\u91cb\u653e\u9396\uff0c\u9019\u9700\u8981\u5728\u6240\u6709\u7372\u53d6\u9396\u7684\u5be6\u4f8b\u4e0a\u9032\u884c\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u4e2d\u5be6\u73fe\u806f\u5408\u9396\uff1a<\/p>\n<pre><code>\nfunction acquireLock($lockName, $timeout) {\n    $instances = ['redis1', 'redis2', 'redis3', 'redis4', 'redis5'];\n    $successCount = 0;\n    $lockValue = uniqid();\n\n    foreach ($instances as $instance) {\n        if (setLock($instance, $lockName, $lockValue, $timeout)) {\n            $successCount++;\n        }\n    }\n\n    return $successCount &gt;= 3; \/\/ \u81f3\u5c11\u4e09\u500b\u5be6\u4f8b\u6210\u529f\u7372\u53d6\u9396\n}\n\nfunction releaseLock($lockName, $lockValue) {\n    foreach ($instances as $instance) {\n        if (getLockValue($instance, $lockName) === $lockValue) {\n            deleteLock($instance, $lockName);\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e8%81%af%e5%90%88%e9%8e%96%e7%9a%84%e5%84%aa%e5%8b%a2-fTPuBwrgUh\">\u806f\u5408\u9396\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u53ef\u7528\u6027\uff1a<\/strong>\u901a\u904e\u591a\u500b\u5be6\u4f8b\u7684\u5354\u4f5c\uff0c\u806f\u5408\u9396\u80fd\u5920\u5728\u67d0\u500b\u5be6\u4f8b\u5931\u6548\u6642\uff0c\u4ecd\u7136\u4fdd\u6301\u9396\u7684\u6709\u6548\u6027\u3002<\/li>\n<li><strong>\u9632\u6b62\u6b7b\u9396\uff1a<\/strong>\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u56e0\u70ba\u7a0b\u5e8f\u7570\u5e38\u5c0e\u81f4\u7684\u6b7b\u9396\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>\u4f7f\u7528 Redis \u7684\u7c21\u55ae API\uff0c\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u806f\u5408\u9396\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-fTPuBwrgUh\">\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u806f\u5408\u9396\u6280\u8853\u7279\u5225\u9069\u5408\u4ee5\u4e0b\u5834\u666f\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u5728\u591a\u500b\u670d\u52d9\u5668\u4e4b\u9593\u5354\u8abf\u8cc7\u6e90\u8a2a\u554f\u7684\u61c9\u7528\uff0c\u4f8b\u5982\u5206\u4f48\u5f0f\u4efb\u52d9\u8abf\u5ea6\u3002<\/li>\n<li>\u9700\u8981\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u7684\u5834\u666f\uff0c\u4f8b\u5982\u5728\u591a\u500b\u5be6\u4f8b\u4e2d\u66f4\u65b0\u6578\u64da\u3002<\/li>\n<li>\u9ad8\u53ef\u7528\u6027\u8981\u6c42\u7684\u7cfb\u7d71\uff0c\u7279\u5225\u662f\u5728\u96f2\u74b0\u5883\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fTPuBwrgUh\">\u7e3d\u7d50<\/h2>\n<p>Redis \u5be6\u73fe\u7684\u806f\u5408\u9396\u6280\u8853\u70ba\u5206\u4f48\u5f0f\u7cfb\u7d71\u63d0\u4f9b\u4e86\u4e00\u7a2e\u53ef\u9760\u7684\u9396\u7ba1\u7406\u65b9\u6848\u3002\u901a\u904e\u5728\u591a\u500b Redis \u5be6\u4f8b\u4e0a\u5354\u540c\u5de5\u4f5c\uff0c\u806f\u5408\u9396\u80fd\u5920\u6709\u6548\u9632\u6b62\u6b7b\u9396\u548c\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u61c9\u7528\uff0c\u806f\u5408\u9396\u6280\u8853\u7121\u7591\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5be6\u73fe\u7684\u806f\u5408\u9396\u6280\u8853\uff0c\u63d0\u5347\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u8cc7\u6e90\u7ba1\u7406\u8207\u4e26\u767c\u63a7\u5236\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\u512a\u5316\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-128357","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128357","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=128357"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128357\/revisions"}],"predecessor-version":[{"id":128358,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128357\/revisions\/128358"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}