{"id":201439,"date":"2025-05-10T11:34:37","date_gmt":"2025-05-10T03:34:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201439\/"},"modified":"2025-05-10T11:34:37","modified_gmt":"2025-05-10T03:34:37","slug":"redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81redlock%e7%9a%84%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201439\/","title":{"rendered":"Redis\u5206\u5e03\u5f0f\u9501Redlock\u7684\u5b9e\u73b0"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u5206\u5e03\u5f0f\u9501Redlock\u7684\u5b9e\u73b0<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aRedis\u5206\u5e03\u5f0f\u9501Redlock\u7684\u5b9e\u73b0\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n<h2>\u666e\u901a\u5b9e\u73b0<br \/><\/h2>\n<p>\u8bf4\u9053Redis\u5206\u5e03\u5f0f\u9501\u5927\u90e8\u5206\u4eba\u90fd\u4f1a\u60f3\u5230\uff1asetnx+lua\uff0c\u6216\u8005\u77e5\u9053set key value px milliseconds nx\u3002\u540e\u4e00\u79cd\u65b9\u5f0f\u7684\u6838\u5fc3\u5b9e\u73b0\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre>\n- \u83b7\u53d6\u9501\uff08unique_value\u53ef\u4ee5\u662fUUID\u7b49\uff09\nSET resource_name unique_value NX PX 30000\n\n- \u91ca\u653e\u9501\uff08lua\u811a\u672c\u4e2d\uff0c\u4e00\u5b9a\u8981\u6bd4\u8f83value\uff0c\u9632\u6b62\u8bef\u89e3\u9501\uff09\nif redis.call(\"get\",KEYS[1]) == ARGV[1] then\n    return redis.call(\"del\",KEYS[1])\nelse\n    return 0\nend\n\n<\/pre>\n<p>\u8fd9\u79cd\u5b9e\u73b0\u65b9\u5f0f\u67093\u5927\u8981\u70b9\uff08\u4e5f\u662f\u9762\u8bd5\u6982\u7387\u975e\u5e38\u9ad8\u7684\u5730\u65b9\uff09\uff1a<\/p>\n<ul>\n<li>set\u547d\u4ee4\u8981\u7528set key value px milliseconds nx\uff1b<\/li>\n<li>value\u8981\u5177\u6709\u552f\u4e00\u6027\uff1b<\/li>\n<li>\u91ca\u653e\u9501\u65f6\u8981\u9a8c\u8bc1value\u503c\uff0c\u4e0d\u80fd\u8bef\u89e3\u9501\uff1b<\/li>\n<\/ul>\n<p>\u4e8b\u5b9e\u4e0a\u8fd9\u7c7b\u7410\u6700\u5927\u7684\u7f3a\u70b9\u5c31\u662f\u5b83\u52a0\u9501\u65f6\u53ea\u4f5c\u7528\u5728\u4e00\u4e2aRedis\u8282\u70b9\u4e0a\uff0c\u5373\u4f7fRedis\u901a\u8fc7sentinel\u4fdd\u8bc1\u9ad8\u53ef\u7528\uff0c\u5982\u679c\u8fd9\u4e2amaster\u8282\u70b9\u7531\u4e8e\u67d0\u4e9b\u539f\u56e0\u53d1\u751f\u4e86\u4e3b\u4ece\u5207\u6362\uff0c\u90a3\u4e48\u5c31\u4f1a\u51fa\u73b0\u9501\u4e22\u5931\u7684\u60c5\u51b5\uff1a<\/p>\n<ol>\n<li>\u5728Redis\u7684master\u8282\u70b9\u4e0a\u62ff\u5230\u4e86\u9501\uff1b<\/li>\n<li>\u4f46\u662f\u8fd9\u4e2a\u52a0\u9501\u7684key\u8fd8\u6ca1\u6709\u540c\u6b65\u5230slave\u8282\u70b9\uff1b<\/li>\n<li>master\u6545\u969c\uff0c\u53d1\u751f\u6545\u969c\u8f6c\u79fb\uff0cslave\u8282\u70b9\u5347\u7ea7\u4e3amaster\u8282\u70b9\uff1b<\/li>\n<li>\u5bfc\u81f4\u9501\u4e22\u5931\u3002<\/li>\n<\/ol>\n<p>\u6b63\u56e0\u4e3a\u5982\u6b64\uff0cRedis\u4f5c\u8005antirez\u57fa\u4e8e\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\u63d0\u51fa\u4e86\u4e00\u79cd\u66f4\u9ad8\u7ea7\u7684\u5206\u5e03\u5f0f\u9501\u7684\u5b9e\u73b0\u65b9\u5f0f\uff1aRedlock\u3002\u7b14\u8005\u8ba4\u4e3a\uff0cRedlock\u4e5f\u662fRedis\u6240\u6709\u5206\u5e03\u5f0f\u9501\u5b9e\u73b0\u65b9\u5f0f\u4e2d\u552f\u4e00\u80fd\u8ba9\u9762\u8bd5\u5b98\u9ad8\u6f6e\u7684\u65b9\u5f0f\u3002<\/p>\n<h2>Redlock\u5b9e\u73b0<br \/><\/h2>\n<p>antirez\u63d0\u51fa\u7684redlock\u7b97\u6cd5\u5927\u6982\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n<p>\u5728Redis\u7684\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u5047\u8bbe\u6709N\u4e2aRedis master\u3002\u8fd9\u4e9b\u8282\u70b9\u5b8c\u5168\u4e92\u76f8\u72ec\u7acb\uff0c\u4e0d\u5b58\u5728\u4e3b\u4ece\u590d\u5236\u6216\u8005\u5176\u4ed6\u96c6\u7fa4\u534f\u8c03\u673a\u5236\u3002\u6211\u4eec\u786e\u4fdd\u5c06\u5728N\u4e2a\u5b9e\u4f8b\u4e0a\u4f7f\u7528\u4e0e\u5728Redis\u5355\u5b9e\u4f8b\u4e0b\u76f8\u540c\u65b9\u6cd5\u83b7\u53d6\u548c\u91ca\u653e\u9501\u3002\u73b0\u5728\u6211\u4eec\u5047\u8bbe\u67095\u4e2aRedis master\u8282\u70b9\uff0c\u540c\u65f6\u6211\u4eec\u9700\u8981\u57285\u53f0\u670d\u52a1\u5668\u4e0a\u9762\u8fd0\u884c\u8fd9\u4e9bRedis\u5b9e\u4f8b\uff0c\u8fd9\u6837\u4fdd\u8bc1\u4ed6\u4eec\u4e0d\u4f1a\u540c\u65f6\u90fd\u5b95\u6389\u3002<\/p>\n<p>\u4e3a\u4e86\u53d6\u5230\u9501\uff0c\u5ba2\u6237\u7aef\u5e94\u8be5\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c:<\/p>\n<ul>\n<li>\u83b7\u53d6\u5f53\u524dUnix\u65f6\u95f4\uff0c\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\u3002<\/li>\n<li>\u4f9d\u6b21\u5c1d\u8bd5\u4ece5\u4e2a\u5b9e\u4f8b\uff0c\u4f7f\u7528\u76f8\u540c\u7684key\u548c\u5177\u6709\u552f\u4e00\u6027\u7684value\uff08\u4f8b\u5982UUID\uff09\u83b7\u53d6\u9501\u3002\u5f53\u5411Redis\u8bf7\u6c42\u83b7\u53d6\u9501\u65f6\uff0c\u5ba2\u6237\u7aef\u5e94\u8be5\u8bbe\u7f6e\u4e00\u4e2a\u7f51\u7edc\u8fde\u63a5\u548c\u54cd\u5e94\u8d85\u65f6\u65f6\u95f4\uff0c\u8fd9\u4e2a\u8d85\u65f6\u65f6\u95f4\u5e94\u8be5\u5c0f\u4e8e\u9501\u7684\u5931\u6548\u65f6\u95f4\u3002\u4f8b\u5982\u4f60\u7684\u9501\u81ea\u52a8\u5931\u6548\u65f6\u95f4\u4e3a10\u79d2\uff0c\u5219\u8d85\u65f6\u65f6\u95f4\u5e94\u8be5\u57285-50\u6beb\u79d2\u4e4b\u95f4\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u670d\u52a1\u5668\u7aefRedis\u5df2\u7ecf\u6302\u6389\u7684\u60c5\u51b5\u4e0b\uff0c\u5ba2\u6237\u7aef\u8fd8\u5728\u6b7b\u6b7b\u5730\u7b49\u5f85\u54cd\u5e94\u7ed3\u679c\u3002\u5982\u679c\u670d\u52a1\u5668\u7aef\u6ca1\u6709\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u54cd\u5e94\uff0c\u5ba2\u6237\u7aef\u5e94\u8be5\u5c3d\u5feb\u5c1d\u8bd5\u53bb\u53e6\u5916\u4e00\u4e2aRedis\u5b9e\u4f8b\u8bf7\u6c42\u83b7\u53d6\u9501\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u4f7f\u7528\u5f53\u524d\u65f6\u95f4\u51cf\u53bb\u5f00\u59cb\u83b7\u53d6\u9501\u65f6\u95f4\uff08\u6b65\u9aa41\u8bb0\u5f55\u7684\u65f6\u95f4\uff09\u5c31\u5f97\u5230\u83b7\u53d6\u9501\u4f7f\u7528\u7684\u65f6\u95f4\u3002\u5f53\u4e14\u4ec5\u5f53\u4ece\u5927\u591a\u6570\uff08N\/2+1\uff0c\u8fd9\u91cc\u662f3\u4e2a\u8282\u70b9\uff09\u7684Redis\u8282\u70b9\u90fd\u53d6\u5230\u9501\uff0c\u5e76\u4e14\u4f7f\u7528\u7684\u65f6\u95f4\u5c0f\u4e8e\u9501\u5931\u6548\u65f6\u95f4\u65f6\uff0c\u9501\u624d\u7b97\u83b7\u53d6\u6210\u529f\u3002<\/li>\n<li>\u5982\u679c\u53d6\u5230\u4e86\u9501\uff0ckey\u7684\u771f\u6b63\u6709\u6548\u65f6\u95f4\u7b49\u4e8e\u6709\u6548\u65f6\u95f4\u51cf\u53bb\u83b7\u53d6\u9501\u6240\u4f7f\u7528\u7684\u65f6\u95f4\uff08\u6b65\u9aa43\u8ba1\u7b97\u7684\u7ed3\u679c\uff09\u3002<\/li>\n<li>\u5982\u679c\u56e0\u4e3a\u67d0\u4e9b\u539f\u56e0\uff0c\u83b7\u53d6\u9501\u5931\u8d25\uff08\u6ca1\u6709\u5728\u81f3\u5c11N\/2+1\u4e2aRedis\u5b9e\u4f8b\u53d6\u5230\u9501\u6216\u8005\u53d6\u9501\u65f6\u95f4\u5df2\u7ecf\u8d85\u8fc7\u4e86\u6709\u6548\u65f6\u95f4\uff09\uff0c\u5ba2\u6237\u7aef\u5e94\u8be5\u5728\u6240\u6709\u7684Redis\u5b9e\u4f8b\u4e0a\u8fdb\u884c\u89e3\u9501\uff08\u5373\u4fbf\u67d0\u4e9bRedis\u5b9e\u4f8b\u6839\u672c\u5c31\u6ca1\u6709\u52a0\u9501\u6210\u529f\uff0c\u9632\u6b62\u67d0\u4e9b\u8282\u70b9\u83b7\u53d6\u5230\u9501\u4f46\u662f\u5ba2\u6237\u7aef\u6ca1\u6709\u5f97\u5230\u54cd\u5e94\u800c\u5bfc\u81f4\u63a5\u4e0b\u6765\u7684\u4e00\u6bb5\u65f6\u95f4\u4e0d\u80fd\u88ab\u91cd\u65b0\u83b7\u53d6\u9501\uff09\u3002<\/li>\n<\/ul>\n<h2>Redlock\u6e90\u7801<br \/><\/h2>\n<p>redisson\u5df2\u7ecf\u6709\u5bf9redlock\u7b97\u6cd5\u5c01\u88c5\uff0c\u63a5\u4e0b\u6765\u5bf9\u5176\u7528\u6cd5\u8fdb\u884c\u7b80\u5355\u4ecb\u7ecd\uff0c\u5e76\u5bf9\u6838\u5fc3\u6e90\u7801\u8fdb\u884c\u5206\u6790\uff08\u5047\u8bbe5\u4e2aredis\u5b9e\u4f8b\uff09\u3002<\/p>\n<p>POM\u4f9d\u8d56<\/p>\n<pre>\n\n   \n\n   \n    \n     org.redisson\n    \n    \n    <p><\/p>\n\n                    \n   <\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u5206\u5e03\u5f0f\u9501Redlock&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201439","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201439","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201439"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201439\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}