{"id":153999,"date":"2024-11-02T12:07:20","date_gmt":"2024-11-02T04:07:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153999\/"},"modified":"2024-11-02T12:07:21","modified_gmt":"2024-11-02T04:07:21","slug":"%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90redis%e7%b4%85%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%ef%bc%88redis-%e7%b4%85%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153999\/","title":{"rendered":"\u7684\u5be6\u73fe\u539f\u7406\u6df1\u5165\u89e3\u6790Redis\u7d05\u9396\u7684\u5be6\u73fe\u539f\u7406\uff08redis \u7d05\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90redis%e7%b4%85%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%ef%bc%88redis-%e7%b4%85%e9%8e%96%ef%bc%89-znSszjSpAh\">\u7684\u5be6\u73fe\u539f\u7406\u6df1\u5165\u89e3\u6790Redis\u7d05\u9396\u7684\u5be6\u73fe\u539f\u7406\uff08redis \u7d05\u9396\uff09<\/h1>\n<p>\u5728\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\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u7d05\u9396\uff08Redlock\uff09\u662f\u4e00\u7a2e\u91dd\u5c0d\u5206\u4f48\u5f0f\u74b0\u5883\u7684\u9396\u5be6\u73fe\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7d05\u9396\u7684\u5be6\u73fe\u539f\u7406\u53ca\u5176\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%85%e9%8e%96%ef%bc%9f-znSszjSpAh\">\u4ec0\u9ebc\u662f\u7d05\u9396\uff1f<\/h2>\n<p>\u7d05\u9396\u662f\u7531Redis\u7684\u5275\u59cb\u4ebaAntirez\u63d0\u51fa\u7684\u4e00\u7a2e\u5206\u4f48\u5f0f\u9396\u5be6\u73fe\u65b9\u6848\u3002\u5b83\u65e8\u5728\u89e3\u6c7a\u5728\u591a\u500bRedis\u5be6\u4f8b\u4e2d\u7372\u53d6\u9396\u7684\u554f\u984c\uff0c\u4e26\u78ba\u4fdd\u9396\u7684\u5b89\u5168\u6027\u548c\u6709\u6548\u6027\u3002\u7d05\u9396\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5229\u7528\u591a\u500bRedis\u5be6\u4f8b\u4f86\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\uff0c\u5f9e\u800c\u907f\u514d\u55ae\u9ede\u6545\u969c\u7684\u98a8\u96aa\u3002<\/p>\n<h2 id=\"%e7%b4%85%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-znSszjSpAh\">\u7d05\u9396\u7684\u5be6\u73fe\u539f\u7406<\/h2>\n<p>\u7d05\u9396\u7684\u5be6\u73fe\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u7372\u53d6\u9396\uff1a<\/strong>\u5ba2\u6236\u7aef\u9700\u8981\u5411\u591a\u500bRedis\u5be6\u4f8b\u8acb\u6c42\u9396\u3002\u901a\u5e38\uff0c\u5efa\u8b70\u4f7f\u7528\u5947\u6578\u500bRedis\u5be6\u4f8b\uff08\u59825\u500b\uff09\u4f86\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u9396\u7684\u6709\u6548\u671f\uff1a<\/strong>\u5728\u6bcf\u500bRedis\u5be6\u4f8b\u4e2d\u8a2d\u7f6e\u9396\u7684\u6709\u6548\u671f\uff0c\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u56e0\u70ba\u5ba2\u6236\u7aef\u5d29\u6f70\u800c\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u78ba\u8a8d\u9396\u7684\u7372\u53d6\uff1a<\/strong>\u5ba2\u6236\u7aef\u9700\u8981\u78ba\u8a8d\u5728\u5927\u591a\u6578Redis\u5be6\u4f8b\u4e2d\u6210\u529f\u7372\u53d6\u9396\uff08\u4f8b\u5982\uff0c5\u500b\u5be6\u4f8b\u4e2d\u81f3\u5c113\u500b\u6210\u529f\uff09\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9396\uff1a<\/strong>\u4e00\u65e6\u7372\u53d6\u9396\uff0c\u5ba2\u6236\u7aef\u53ef\u4ee5\u5b89\u5168\u5730\u57f7\u884c\u9700\u8981\u4fdd\u8b77\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u91cb\u653e\u9396\uff1a<\/strong>\u64cd\u4f5c\u5b8c\u6210\u5f8c\uff0c\u5ba2\u6236\u7aef\u9700\u8981\u5728\u6240\u6709\u7372\u53d6\u9396\u7684Redis\u5be6\u4f8b\u4e2d\u91cb\u653e\u9396\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%8d%b2%e5%8f%96%e9%8e%96%e7%9a%84%e5%85%b7%e9%ab%94%e6%ad%a5%e9%a9%9f-znSszjSpAh\">\u7372\u53d6\u9396\u7684\u5177\u9ad4\u6b65\u9a5f<\/h3>\n<p>\u4ee5\u4e0b\u662f\u7372\u53d6\u7d05\u9396\u7684\u5177\u9ad4\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nfunction acquireLock($key, $value, $expire) {\n    $success = 0;\n    $quorum = 3; \/\/ \u5047\u8a2d\u4f7f\u75285\u500b\u5be6\u4f8b\uff0c\u5247\u9700\u89813\u500b\u6210\u529f\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;= $quorum;\n}\n\nfunction setLock($instance, $key, $value, $expire) {\n    \/\/ \u4f7f\u7528SETNX\u547d\u4ee4\u8a2d\u7f6e\u9396\n    return redisCommand($instance, \"SETNX\", $key, $value) &amp;&amp; redisCommand($instance, \"EXPIRE\", $key, $expire);\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b4%85%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-znSszjSpAh\">\u7d05\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-znSszjSpAh\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u9ad8\u53ef\u7528\u6027\uff1a\u901a\u904e\u591a\u500bRedis\u5be6\u4f8b\u4f86\u907f\u514d\u55ae\u9ede\u6545\u969c\u3002<\/li>\n<li>\u7c21\u55ae\u6613\u7528\uff1a\u7d05\u9396\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u96c6\u6210\u5230\u73fe\u6709\u7cfb\u7d71\u4e2d\u3002<\/li>\n<li>\u652f\u6301\u5206\u4f48\u5f0f\u74b0\u5883\uff1a\u9069\u5408\u5728\u591a\u500b\u670d\u52d9\u5668\u4e4b\u9593\u9032\u884c\u9396\u7684\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-znSszjSpAh\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u6027\u80fd\u958b\u92b7\uff1a\u9700\u8981\u8207\u591a\u500bRedis\u5be6\u4f8b\u9032\u884c\u4ea4\u4e92\uff0c\u53ef\u80fd\u6703\u589e\u52a0\u5ef6\u9072\u3002<\/li>\n<li>\u8907\u96dc\u6027\uff1a\u7ba1\u7406\u591a\u500bRedis\u5be6\u4f8b\u7684\u904b\u884c\u548c\u6545\u969c\u6062\u5fa9\u9700\u8981\u984d\u5916\u7684\u5de5\u4f5c\u3002<\/li>\n<li>\u9396\u7684\u6709\u6548\u6027\uff1a\u5982\u679c\u9396\u7684\u6709\u6548\u671f\u8a2d\u7f6e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u9396\u7684\u7af6\u722d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-znSszjSpAh\">\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u7d05\u9396\u9069\u7528\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u5fae\u670d\u52d9\u67b6\u69cb\u4e2d\u7684\u8cc7\u6e90\u7ba1\u7406\u3002<\/li>\n<li>\u5206\u4f48\u5f0f\u4efb\u52d9\u8abf\u5ea6\u7cfb\u7d71\u3002<\/li>\n<li>\u9700\u8981\u9632\u6b62\u91cd\u8907\u64cd\u4f5c\u7684\u5834\u666f\uff0c\u5982\u652f\u4ed8\u7cfb\u7d71\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-znSszjSpAh\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7d05\u9396\u662f\u4e00\u7a2e\u6709\u6548\u7684\u5206\u4f48\u5f0f\u9396\u5be6\u73fe\u65b9\u6848\uff0c\u901a\u904e\u591a\u500bRedis\u5be6\u4f8b\u7684\u5354\u4f5c\u4f86\u63d0\u9ad8\u9396\u7684\u53ef\u9760\u6027\u3002\u96d6\u7136\u7d05\u9396\u5728\u6027\u80fd\u548c\u8907\u96dc\u6027\u4e0a\u5b58\u5728\u4e00\u5b9a\u7684\u6311\u6230\uff0c\u4f46\u5176\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u7684\u61c9\u7528\u6f5b\u529b\u4e0d\u5bb9\u5ffd\u8996\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6578\u64da\u4e00\u81f4\u6027\u7684\u61c9\u7528\u5834\u666f\uff0c\u7d05\u9396\u63d0\u4f9b\u4e86\u4e00\u7a2e\u53ef\u884c\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u642d\u5efa\u5206\u4f48\u5f0f\u7cfb\u7d71\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u89e3\u6790Redis\u7d05\u9396\u7684\u5be6\u73fe\u539f\u7406\uff0c\u63a2\u8a0e\u5176\u5206\u5e03\u5f0f\u9396\u7684\u6a5f\u5236\u8207\u61c9\u7528\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u53ef\u9760\u6027\u8207\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-153999","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153999","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=153999"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153999\/revisions"}],"predecessor-version":[{"id":154000,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153999\/revisions\/154000"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}