{"id":4598,"date":"2024-05-15T06:50:42","date_gmt":"2024-05-14T22:50:42","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/index.php\/%e9%9d%a2%e8%af%95\/%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9aredis%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%ef%bc%9f%e7%9b%b4%e5%87%bb%e7%81%b5%e9%ad%82%e7%9a%84%e8%bf%9e%e7%8e%af%e4%b8%83\/"},"modified":"2024-05-15T06:50:42","modified_gmt":"2024-05-14T22:50:42","slug":"%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9aredis%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%ef%bc%9f%e7%9b%b4%e5%87%bb%e7%81%b5%e9%ad%82%e7%9a%84%e8%bf%9e%e7%8e%af%e4%b8%83","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/%e9%9d%a2%e8%af%95\/%e9%9d%a2%e8%af%95%e5%ae%98%ef%bc%9aredis%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%ef%bc%9f%e7%9b%b4%e5%87%bb%e7%81%b5%e9%ad%82%e7%9a%84%e8%bf%9e%e7%8e%af%e4%b8%83\/","title":{"rendered":"\u9762\u8bd5\u5b98\uff1aRedis\u5982\u4f55\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff1f\u76f4\u51fb\u7075\u9b42\u7684\u8fde\u73af\u4e03\u95ee\u4f60\u63a5\u5f97\u4f4f\u4e48\uff1f(\u4e8c)"},"content":{"rendered":"
\n

\u5728\u4e0a\u4e00\u7bc7\u6587\u7ae0\u9762\u8bd5\u5b98\uff1aRedis\u5982\u4f55\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff1f\u76f4\u51fb\u7075\u9b42\u7684\u8fde\u73af\u4e03\u95ee\u4f60\u63a5\u5f97\u4f4f\u4e48\uff1f<\/a>\u4e2d\uff0c\u6211\u4eec\u63a2\u8ba8\u4e86\u5206\u5e03\u5f0f\u9501\u7684\u4f7f\u7528\u573a\u666f\u548cRedis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u57fa\u672c\u65b9\u6cd5\u3002\u7136\u800c\uff0c\u9762\u8bd5\u5b98\u7684\u8ffd\u95ee\u53ef\u80fd\u5e76\u4e0d\u4f1a\u6b62\u6b65\u4e8e\u6b64\uff0c\u8fd9\u4e9b\u4e5f\u8fd8\u4e0d\u8db3\u4ee5\u652f\u6301\u6211\u4eec\u5b9e\u73b0\u4e00\u4e2a\u751f\u4ea7\u53ef\u7528\u7684\u5206\u5e03\u5f0f\u9501\u3002\u4eca\u5929\u6211\u4eec\u5c31\u6765\u7ee7\u7eed\u63a2\u8ba8\u4e0b\u5173\u4e8e\u5206\u5e03\u5f0f\u9501\u66f4\u9ad8\u9636\u7684\u4e00\u4e9b\u8bdd\u9898\u3002<\/span><\/span><\/p>\n

\n

\u4ece\u6587\u7ae0\u4e2d\u6211\u4eec\u4e86\u89e3\u5230\uff0cRedis\u5206\u5e03\u5f0f\u9501\u7684\u4e00\u822c\u6d41\u7a0b\u662f\uff1a<\/p>\n

1\u3001\u83b7\u53d6\u9501\uff0c\u5e76\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/p>\n

2\u3001\u6267\u884c\u4e1a\u52a1\u903b\u8f91\uff0c\u64cd\u4f5c\u8d44\u6e90<\/p>\n

3\u3001\u91ca\u653e\u9501<\/p>\n

\n

\u8fd9\u5c31\u5b58\u5728\u4e00\u4e2a\u5173\u952e\u95ee\u9898\uff1a\u8fc7\u671f\u65f6\u95f4\u5230\u5e95\u8bbe\u7f6e\u591a\u957f\u5408\u9002\uff1f<\/span><\/p>\n

<\/span><\/p>\n

\u9762\u8bd5\u5b98\uff1a\u4e1a\u52a1\u903b\u8f91\u6ca1\u6267\u884c\u5b8c\uff0c\u9501\u5c31\u8fc7\u671f\u91ca\u653e\u4e86\uff0c\u5982\u4f55\u89e3\u51b3\u5462\uff1f<\/span><\/p>\n

<\/span><\/p>\n

\u6700\u76f4\u63a5\u7684\u89e3\u51b3\u65b9\u6848\u5c31\u662f\u7ed9\u9501\u7eed\u671f\uff0c\u6211\u4eec\u53ef\u4ee5\u542f\u52a8\u4e00\u4e2a\u5b88\u62a4\u7ebf\u7a0b\u53bb\u68c0\u6d4b\u9501\u662f\u5426\u5373\u5c06\u8fc7\u671f\uff0c\u5982\u679c\u5373\u5c06\u8fc7\u671f\uff0c\u5219\u81ea\u52a8\u8fdb\u884c\u7eed\u671f\uff0c\u91cd\u65b0\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/span>\u3002<\/p>\n

\n

\u8fd9\u4e5f\u786e\u5b9e\u662f\u4e00\u79cd\u6bd4\u8f83\u597d\u7684\u65b9\u6848\uff0cRedission<\/span>\u662f\u4e00\u4e2a\u4f18\u79c0\u7684Redis SDK\u5ba2\u6237\u7aef\uff08Java\u8bed\u8a00\u5b9e\u73b0\uff09\uff0c\u5728\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u65f6\uff0c\u4e5f\u662f\u91c7\u7528\u4e86\u81ea\u52a8\u7eed\u671f\u7684\u65b9\u6848\u6765\u907f\u514d\u9501\u8fc7\u671f\uff0c\u8fd9\u4e2a\u5b88\u62a4\u7ebf\u7a0b\u4e00\u822c\u79f0\u4f5c\u300c\u770b\u95e8\u72d7\u300d\u7ebf\u7a0b\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

\n

\n

\u9762\u8bd5\u5b98\uff1a\u5982\u4f55\u5b9e\u73b0Redis\u5206\u5e03\u5f0f\u9501\u7684\u9ad8\u53ef\u7528\u5462\uff1f<\/span><\/p>\n

<\/span><\/p>\n

\u6211\u4eec\u9996\u5148\u60f3\u5230\u7684\u8fd8\u662fRedis\u7684\u5355\u70b9\u6545\u969c\u95ee\u9898\uff0c\u5982\u679cRedis\u6302\u4e86\uff0c\u5206\u5e03\u5f0f\u9501\u5c31\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c\u4e86\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5f15\u5165Redis\u4e3b\u4ece\u6a21\u5f0f\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

\n

\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u5728Redis\u96c6\u7fa4\u7684master\u8282\u70b9\u4e0a\u62ff\u5230\u4e86\u9501\uff0c\u4f46\u662f\u52a0\u9501\u7684key\u8fd8\u6ca1\u540c\u6b65\u5230slave\u8282\u70b9\u3002\u6070\u597d\u8fd9\u65f6\uff0cmaster\u8282\u70b9\u53d1\u751f\u6545\u969c\uff0c\u4e00\u4e2aslave\u8282\u70b9\u5c31\u4f1a\u5347\u7ea7\u4e3amaster\u8282\u70b9\u3002\u4f46\u662f\u6b64\u65f6\u5206\u5e03\u5f0f\u9501\u4e5f\u5df2\u7ecf\u5931\u6548\u4e86<\/span>\u3002<\/p>\n

\n

\u600e\u4e48\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5462\uff1f\u4e3a\u6b64\uff0cRedis \u7684\u4f5c\u8005\u63d0\u51fa\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u5c31\u662f\u6211\u4eec\u7ecf\u5e38\u542c\u5230\u7684Redlock\uff08\u7ea2\u9501\uff09<\/span>\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u9700\u8981\u90e8\u7f725\u4e2a\u5355\u72ec\u7684Redis\uff0cRedlock\u7684\u5b9e\u73b0\u6b65\u9aa4\u5982\u4e0b\uff1a<\/span><\/p>\n

\n

1\u3001\u54115\u4e2aRedis master\u8282\u70b9\u8bf7\u6c42\u52a0\u9501\uff1b<\/p>\n

2\u3001\u6839\u636e\u8bbe\u7f6e\u7684\u8d85\u65f6\u65f6\u95f4\u6765\u5224\u65ad\uff08\u52a0\u9501\u7684\u603b\u8017\u65f6\u8981\u5c0f\u4e8e\u9501\u8bbe\u7f6e\u7684\u8fc7\u671f\u65f6\u95f4\uff09\uff0c\u662f\u4e0d\u662f\u8981\u8df3\u8fc7\u8be5master\u8282\u70b9\uff1b<\/p>\n

3\u3001\u5982\u679c\u5927\u4e8e\u7b49\u4e8e3\u4e2a\u8282\u70b9\u52a0\u9501\u6210\u529f\uff0c\u5e76\u4e14\u4f7f\u7528\u7684\u65f6\u95f4\u5c0f\u4e8e\u9501\u7684\u6709\u6548\u671f\uff0c\u5373\u53ef\u8ba4\u5b9a\u52a0\u9501\u6210\u529f\u5566\uff1b<\/p>\n

4\u3001\u91ca\u653e\u9501\uff0c\u5411\u5168\u90e8\u8282\u70b9\u53d1\u8d77\u91ca\u653e\u9501\u8bf7\u6c42\u3002<\/p>\n

\n

\u5173\u4e8eRedlock\u8fd8\u6709\u8fd9\u4e48\u4e00\u6bb5\u8da3\u4e8b\uff1a<\/span><\/p>\n

<\/span><\/p>\n

Redis\u4f5c\u8005\u628a\u8fd9\u4e2a\u65b9\u6848\u4e00\u7ecf\u63d0\u51fa\uff0c\u5c31\u9a6c\u4e0a\u53d7\u5230\u4e1a\u754c\u8457\u540d\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e13\u5bb6Martin\u7684\u8d28\u7591[2]<\/span>\u3002Martin\u6307\u51fa\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u4e09\u7c7b\u5f02\u5e38\u573a\u666f\uff08NPC\uff09\uff1a<\/p>\n

N\uff1aNetwork Delay\uff0c\u7f51\u7edc\u5ef6\u8fdf<\/p>\n

P\uff1aProcess Pause\uff0c\u8fdb\u7a0b\u6682\u505c\uff08GC\uff09<\/p>\n

C\uff1aClock Drift\uff0c\u65f6\u949f\u6f02\u79fb<\/p>\n

\n

Martin \u7528\u4e00\u4e2a\u8fdb\u7a0b\u6682\u505c\uff08GC\uff09\u7684\u4f8b\u5b50\uff0c\u6307\u51fa\u4e86 Redlock \u5b89\u5168\u6027\u95ee\u9898\uff0c\u7531\u4e8eGC\u95ee\u9898\u4f1a\u5bfc\u81f4\u5206\u5e03\u5f0f\u9501\u7684\u6b63\u786e\u6027\u51fa\u73b0\u95ee\u9898\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

\n

\n

\u4e4b\u540eRedis\u4f5c\u8005\u6beb\u4e0d\u5ba2\u6c14\u5730\u8fdb\u884c\u4e86\u56de\u603c[3]<\/span>\uff0cRedis \u4f5c\u8005\u540c\u610f\u5bf9\u65b9\u5173\u4e8e\u65f6\u949f\u8df3\u8dc3\u5bf9Redlock\u7684\u5f71\u54cd\uff0c\u4f46\u8ba4\u4e3a\u901a\u8fc7\u8fd0\u7ef4\u624b\u6bb5\u662f\u53ef\u4ee5\u907f\u514d\u7684\u3002Redlock\u4e2d\u6709\u8d85\u65f6\u65f6\u95f4\u5224\u65ad\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514dNPC\u95ee\u9898\uff0c\u4f46\u662f\u5982\u679cRedlock \u6b65\u9aa43\uff08\u6210\u529f\u62ff\u5230\u9501\uff09\u4e4b\u540e\u53d1\u751fGC\uff0c\u4e0d\u6b62\u662f Redlock \u6709\u95ee\u9898\uff0c\u5176\u5b83\u5206\u5e03\u5f0f\u9501\u670d\u52a1\u540c\u6837\u4e5f\u6709\u95ee\u9898\uff0c\u6240\u4ee5\u4e0d\u5728\u8ba8\u8bba\u8303\u7574\u5185\u3002\u5982\u679c\u5bf9\u8fd9\u6bb5\u8da3\u4e8b\u611f\u5174\u8da3\uff0c\u8be6\u7ec6\u7684\u8fc7\u7a0b\u4e0e\u5206\u6790\u53ef\u4ee5\u67e5\u770b\u53c2\u8003\u6587\u7ae0[4][5]<\/span>\u3002<\/p>\n

\n

\n

\u9762\u8bd5\u5b98\uff1a\u90a3\u4e48\uff0c\u4e00\u4e2a\u529f\u80fd\u5168\u9762\u7684\u5206\u5e03\u5f0f\u9501\u4e00\u822c\u90fd\u5305\u542b\u54ea\u4e9b\u7279\u5f81\u5462\uff1f<\/span><\/p>\n

\n

\u7ed3\u5408\u4e0a\u9762\u63d0\u5230\u7684\uff0c\u5206\u5e03\u5f0f\u9501\u5e94\u5305\u542b\u4ee5\u4e0b\u7279\u5f81\uff1a<\/p>\n

1\u3001\u4e92\u65a5\u6027\uff1a<\/strong>\u4efb\u610f\u65f6\u523b\uff0c\u53ea\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u80fd\u6301\u6709\u9501\uff1b<\/p>\n

2\u3001\u9501\u8d85\u65f6\u91ca\u653e\uff1a<\/strong>\u6301\u6709\u9501\u8d85\u65f6\uff0c\u53ef\u4ee5\u91ca\u653e\uff0c\u9632\u6b62\u6b7b\u9501\uff1b<\/p>\n

3\u3001\u9501\u91ca\u653e\u5b89\u5168\uff1a<\/strong>\u9501\u53ea\u80fd\u88ab\u6301\u6709\u7684\u5ba2\u6237\u7aef\u5220\u9664\uff0c\u4e0d\u80fd\u88ab\u5176\u4ed6\u5ba2\u6237\u7aef\u5220\u9664\uff1b<\/p>\n

4\u3001\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\uff1a<\/strong>\u52a0\u9501\u3001\u89e3\u9501\u6548\u7387\u9ad8\uff0c\u540c\u65f6\u8981\u4fdd\u8bc1\u9ad8\u53ef\u7528\uff1b<\/p>\n

\n

\u7c7b\u6bd4Java\u7b49\u8bed\u8a00\u4e2d\u7684\u672c\u5730\u9501\u5b9e\u73b0\uff0c\u4e00\u4e9b\u5206\u5e03\u5f0f\u9501\u6846\u67b6\u4e5f\u5927\u591a\u5b9e\u73b0\u4e86\u53ef\u91cd\u5165\u3001\u516c\u5e73\u9501\u7b49\u7279\u6027\uff0c\u5373\uff1a<\/p>\n

5\u3001\u53ef\u91cd\u5165\uff1a<\/strong>\u4e00\u4e2a\u7ebf\u7a0b\u83b7\u5f97\u9501\u4e4b\u540e\uff0c\u53ef\u4ee5\u518d\u6b21\u5bf9\u5176\u8bf7\u6c42\u52a0\u9501\uff0c\u4e5f\u53ef\u4ee5\u652f\u6301\u8bbe\u7f6e\u53ef\u91cd\u5165\u7684\u6b21\u6570\uff1b<\/p>\n

6\u3001\u516c\u5e73\u6027\uff1a<\/strong>\u5148\u6765\u7684\u5148\u62ff\u5230\u9501\uff0c\u8fd8\u662f\u91c7\u7528\u62a2\u5360\u7684\u65b9\u5f0f\u4e89\u62a2\u9501\u3002<\/p>\n

\n

\u8fd9\u4e9b\u4e5f\u90fd\u53ef\u4ee5\u53c2\u8003Redission\u7b49\u4f18\u79c0\u5ba2\u6237\u7aef\u4e2d\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n

\n

\n

\u9762\u8bd5\u5b98\uff1a\u9664\u4e86Redis\uff0c\u8fd8\u6709\u54ea\u4e9b\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u65b9\u6848\uff1f<\/span><\/p>\n

<\/span><\/p>\n

\u65b9\u6848\u4e00\uff1a\u57fa\u4e8eMySQL<\/span><\/p>\n

\n

\u4e86\u89e3\u4e86Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u65b9\u6848\uff0c\u76f8\u4fe1\u6211\u4eec\u540c\u6837\u53ef\u4ee5\u628a\u65b9\u6848\u8fc1\u79fb\u5230MySQL\u4e2d\uff0c\u963b\u585e\u7b49\u673a\u5236\u6211\u4eec\u53ef\u4ee5\u501f\u52a9MySQL\u7684\u4e8b\u52a1\u548c\u9501\u673a\u5236\uff08select...forupdate\uff09[6]<\/span>\u3002<\/p>\n

\u7f3a\u70b9\uff1a\u6027\u80fd\u8f83\u4f4e\uff0c\u4e0d\u9002\u5408\u9ad8\u5e76\u53d1\u573a\u666f\u3002\u5b9e\u73b0\u6bd4\u8f83\u7e41\u7410\uff0c\u5b9e\u9645\u4e0a\u5f88\u5c11\u6709\u4eba\u62ffMySQL\u53bb\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n

<\/span><\/p>\n

\u65b9\u6848\u4e8c\uff1a\u57fa\u4e8eZooKeeper\u6216Etcd\u5b9e\u73b0<\/span><\/p>\n

\n

\u9664\u4e86Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0c\u76f8\u4fe1\u6700\u591a\u7684\u65b9\u6848\u5c31\u662f\u57fa\u4e8eZooKeeper\u6216Etcd\u5b9e\u73b0\u4e86\u3002ZooKeeper\u6216Etcd\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u4f18\u52bf\u5728\u4e8e\uff1a<\/span><\/p>\n

1\u3001\u4e24\u8005\u5c31\u662f\u5206\u5e03\u5f0f\u7684\uff0c\u5929\u7136\u5177\u5907\u9ad8\u53ef\u7528\u80fd\u529b\uff1b<\/p>\n

2\u3001\u90fd\u6709\u4e34\u65f6\u8282\u70b9\u7684\u80fd\u529b\uff0c\u80fd\u591f\u5f88\u597d\u652f\u6301\u9501\u8d85\u65f6\u91ca\u653e\u7b49\u673a\u5236\u7684\u5b9e\u73b0\uff1b<\/p>\n

3\u3001\u57fa\u4e8e\u987a\u5e8f\u8282\u70b9\u3001Revision \u673a\u5236\u7b49\uff0c\u66f4\u65b9\u4fbf\u5b9e\u73b0\u53ef\u91cd\u5165\u3001\u516c\u5e73\u6027\u7b49\u7279\u6027\uff1b<\/p>\n

4\u3001\u57fa\u4e8eWatch\u3001Revision \u673a\u5236\u66f4\u5bb9\u6613\u907f\u514d\u5206\u5e03\u5f0f\u9501\u4e89\u62a2\u4e2d\u7684\u300c\u60ca\u7fa4\u6548\u5e94\u300d\u95ee\u9898\uff08\u62a2\u5360\u5206\u5e03\u5f0f\u9501\u65f6\u88ab\u9891\u7e41\u5524\u9192\u548c\u91cd\u65b0\u4f11\u7720\uff0c\u9020\u6210\u6d6a\u8d39\uff09\u3002\u89e3\u51b3\u65b9\u6848\u4e3a\uff1a\u5206\u5e03\u5f0f\u9501\u91ca\u653e\u540e\uff0c\u53ea\u5524\u9192\u6ee1\u8db3\u6761\u4ef6\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9\u3002<\/p>\n

\n

ZK\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u57fa\u672c\u539f\u7406\u662f\uff1a\u4ee5\u67d0\u4e2a\u8d44\u6e90\u4e3a\u76ee\u5f55\uff0c\u7136\u540e\u8fd9\u4e2a\u76ee\u5f55\u4e0b\u9762\u7684\u8282\u70b9\u5c31\u662f\u6211\u4eec\u9700\u8981\u83b7\u53d6\u9501\u7684\u5ba2\u6237\u7aef\uff0c\u672a\u83b7\u53d6\u5230\u9501\u7684\u5ba2\u6237\u7aef\u6ce8\u518c\u9700\u8981\u6ce8\u518cWatcher\u5230\u4e0a\u4e00\u4e2a\u5ba2\u6237\u7aef\u3002\u5982\u4e0b\u56fe\u6240\u793a[6]<\/span>\uff1a<\/p>\n

Curator[7]<\/span>\u5c01\u88c5\u4e86ZooKeeper\u5e95\u5c42\u7684Api\uff0c\u4f7f\u6211\u4eec\u66f4\u52a0\u5bb9\u6613\u65b9\u4fbf\u7684\u5bf9ZooKeeper\u8fdb\u884c\u64cd\u4f5c\uff0c\u5e76\u4e14\u5b83\u5c01\u88c5\u4e86\u5206\u5e03\u5f0f\u9501\u7684\u529f\u80fd\u3002<\/p>\n

\n

Etcd\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u539f\u7406\u4e0eZK\u5927\u81f4\u76f8\u540c\uff0c\u5bf9\u6bd4\u5927\u81f4\u5982\u4e0b[8][9]<\/span>\uff1a<\/p>\n

Etcd\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0c\u4e5f\u53ef\u4ee5\u57fa\u4e8e\u81ea\u5e26\u7684concurrency\u5305[10]<\/span>\u5b9e\u73b0\u3002<\/p>\n

<\/span><\/p>\n

<\/span><\/p>\n

\u9762\u8bd5\u5b98\uff1a\u4f60\u89c9\u5f97\u54ea\u79cd\u5206\u5e03\u5f0f\u9501\u65b9\u6848\u662f\u6700\u4f18\u7684\uff1f<\/span><\/p>\n

\n

\u6839\u636e\u4e0a\u9762\u7684\u5206\u6790\uff0c\u8003\u8651\u7f51\u7edc\u5ef6\u8fdf\u3001GC\u3001\u65f6\u949f\u7b49\u56e0\u7d20\u540e\uff0c\u6ca1\u6709\u4e00\u79cd\u5206\u5e03\u5f0f\u9501\u65b9\u6848\u662f\u80fd\u5b8c\u7f8e\u4fdd\u8bc1\u5206\u5e03\u5f0f\u9501\u7684\u6b63\u786e\u6027\uff08\u4e92\u65a5\u6027\uff09\u7684\u3002<\/span><\/p>\n

\n

\u4f46\u662f\uff0c\u5bf9\u4e8e\u5206\u5e03\u5f0f\u9501\u6765\u8bf4\uff0c\u5728\u4e0a\u5c42\u5b8c\u6210\u4e92\u65a5\uff0c\u867d\u7136\u6781\u7aef\u60c5\u51b5\u4e0b\u9501\u4f1a\u5931\u6548\uff0c\u4f46\u662f\u5b83\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u628a\u5e76\u53d1\u8bf7\u6c42\u963b\u6321\u5728\u5916\uff0c\u51cf\u8f7b\u64cd\u4f5c\u8d44\u6e90\u5c42\u7684\u538b\u529b\u3002<\/p>\n

\n

\u5bf9\u4e8e\u8981\u6c42\u6570\u636e\u7edd\u5bf9\u6b63\u786e\u7684\u4e1a\u52a1\uff0c\u5728\u8d44\u6e90\u5c42\u4e00\u5b9a\u8981\u505a\u597d\u515c\u5e95<\/span>\uff0c\u6bd4\u5982\u5148\u62ff\u5230\u6807\u8bb0\u4f4d\uff0c\u5728\u4fee\u6539\u5171\u4eab\u8d44\u6e90\u4e4b\u524d\uff0c\u5148\u6821\u9a8c\u6807\u8bb0\u4f4d\u662f\u5426\u548c\u4e4b\u524d\u62ff\u5230\u7684\u4e00\u81f4\uff0c\u7c7b\u4f3cCAS\u7684\u64cd\u4f5c\u5b9e\u73b0\uff1a<\/p>\n

\n
    \n
  • <\/li>\n<\/ul>\n
    UPDATE<\/span> table_name SET<\/span> data<\/span> = #{new_data} WHERE id = #{id} AND current_token = #{current_lock_token}<\/span><\/span><\/code><\/pre>\n<\/section>\n
    \n
    \u660e\u767d\u4e86\u8fd9\u70b9\uff0c\u6211\u4eec\u518d\u6765\u8bf4\u4e0bRedis\u4e0eZK\/Etcd\u7684\u65b9\u6848\u4e3b\u8981\u5f02\u540c\u70b9\uff1a<\/p>\n
    \uff081\uff09\u6027\u80fd\uff1aRedis\u57fa\u4e8e\u5185\u5b58\uff0c\u8bfb\u5199\u6027\u80fd\u9ad8\uff0c\u9002\u5408\u9ad8\u5e76\u53d1\u3002ZK\/Etcd\u76f8\u5bf9\u5f31\u4e00\u4e9b\u3002<\/p>\n
    \uff082\uff09\u8fd0\u7ef4\u6210\u672c\uff1aRedis\u66f4\u5e38\u7528\u3001\u662f\u57fa\u7840\u7ec4\u4ef6\uff0c\u8fd0\u7ef4\u4e5f\u66f4\u7b80\u5355\u3002ZK\/Etcd\u90fd\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u8fd0\u7ef4\u76f8\u5bf9\u590d\u6742\u4e00\u4e9b\u3002<\/p>\n
    \uff083\uff09\u6613\u7528\u6027\uff1a\u90fd\u6709\u8f83\u6210\u719f\u7684\u5ba2\u6237\u7aef\u5c01\u88c5\uff0c\u5dee\u522b\u4e0d\u5927\u3002<\/p>\n
    \uff084\uff09\u9ad8\u53ef\u7528\uff1a\u5747\u652f\u6301\uff0cRedis\u91c7\u7528Redlock\u65b9\u6848\uff0cZK\/Etcd\u672c\u8eab\u5c31\u662f\u9ad8\u53ef\u7528\u7684\u3002<\/p>\n
    \u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n
    \n
    \u4e86\u89e3\u4e86\u4f18\u7f3a\u70b9\u540e\uff0c\u53ef\u6839\u636e\u5b9e\u9645\u573a\u666f\u7075\u6d3b\u9009\u53d6\uff0c\u8131\u79bb\u573a\u666f\uff0c\u6ca1\u6cd5\u8bf4\u6709\u660e\u663e\u7684\u4f18\u52a3\u4e4b\u5206\u3002<\/p>\n
    \n
    \u7ed3\u8bed<\/span><\/p>\n
    \n
    Martin\u548cRedis\u4f5c\u8005Antirez\u5173\u4e8eRedlock\u7684\u8bdd\u9898\uff0c\u5f15\u8d77\u4e86\u5404\u65b9\u6fc0\u70c8\u7684\u4e89\u8bba\u3002Martin\u5728\u8fd9\u4ef6\u4e8b\u8fc7\u53bb\u4e4b\u540e\uff0c\u5199\u4e0b\u4e86\u81ea\u5df1\u7684\u611f\u609f\uff1a<\/p>\n
    \n
    \u6211\u5e76\u4e0d\u5728\u4e4e\u5728\u8fd9\u573a\u8fa9\u8bba\u4e2d\u8c01\u5bf9\u8c01\u9519\u2014\u2014\u6211\u53ea\u5173\u5fc3\u4ece\u5176\u4ed6\u4eba\u7684\u5de5\u4f5c\u4e2d\u5b66\u5230\u7684\u4e1c\u897f\uff0c\u4ee5\u4fbf\u6211\u4eec\u80fd\u591f\u907f\u514d\u91cd\u8e48\u8986\u8f99\uff0c\u5e76\u8ba9\u672a\u6765\u66f4\u52a0\u7f8e\u597d\u3002\u524d\u4eba\u5df2\u7ecf\u4e3a\u6211\u4eec\u521b\u9020\u51fa\u4e86\u8bb8\u591a\u4f1f\u5927\u7684\u6210\u679c\uff1a\u7ad9\u5728\u5de8\u4eba\u7684\u80a9\u8180\u4e0a\uff0c\u6211\u4eec\u5f97\u4ee5\u6784\u5efa\u66f4\u68d2\u7684\u8f6f\u4ef6\u3002<\/p>\n
    \u2026\u2026<\/p>\n
    \u5bf9\u4e8e\u4efb\u4f55\u60f3\u6cd5\uff0c\u52a1\u5fc5\u8981\u8be6\u52a0\u68c0\u9a8c\uff0c\u901a\u8fc7\u8bba\u8bc1\u4ee5\u53ca\u68c0\u67e5\u5b83\u4eec\u662f\u5426\u7ecf\u5f97\u4f4f\u522b\u4eba\u7684\u8be6\u7ec6\u5ba1\u67e5\u3002\u90a3\u662f\u5b66\u4e60\u8fc7\u7a0b\u7684\u4e00\u90e8\u5206\u3002\u4f46\u76ee\u6807\u5e94\u8be5\u662f\u4e3a\u4e86\u83b7\u5f97\u77e5\u8bc6\uff0c\u800c\u4e0d\u5e94\u8be5\u662f\u4e3a\u4e86\u8bf4\u670d\u522b\u4eba\u76f8\u4fe1\u4f60\u81ea\u5df1\u662f\u5bf9\u7684\u3002<\/span>\u6709\u65f6\u5019\uff0c\u90a3\u53ea\u4e0d\u8fc7\u610f\u5473\u7740\u505c\u4e0b\u6765\uff0c\u597d\u597d\u5730\u60f3\u4e00\u60f3\u3002<\/p>\n
    \n
    \u5171\u52c9\uff01<\/p>\n
    \n
    \n
    \u53c2\u8003\uff1a<\/p>\n
    [1]https:\/\/github.com\/redisson\/redisson<\/p>\n
    [2]https:\/\/martin.kleppmann.com\/2016\/02\/08\/how-to-do-distributed-locking.html<\/p>\n
    [3]http:\/\/antirez.com\/news\/101<\/p>\n
    [4]https:\/\/www.zhihu.com\/question\/300767410\/answer\/1931519430<\/p>\n
    [5]http:\/\/zhangtielei.com\/posts\/blog-redlock-reasoning-part2.html<\/p>\n
    [6]https:\/\/juejin.cn\/post\/6844903688088059912<\/p>\n
    [7]https:\/\/github.com\/apache\/curator<\/p>\n
    [8]https:\/\/www.51cto.com\/article\/721408.html<\/p>\n
    [9]https:\/\/www.51cto.com\/article\/722138.html<\/p>\n
    [10]https:\/\/github.com\/etcd-io\/etcd\/tree\/v3.4.9\/clientv3\/concurrency<\/p>\n
    [11]https:\/\/time.geekbang.org\/column\/article\/350285<\/span><\/p>\n
    \n<\/article>\n
    \u7b14\u8005\u521a\u521b\u5efa\u4e86\u4e00\u4e2a\u9762\u8bd5\u4e92\u52a9&\u6280\u672f\u4ea4\u6d41\u7fa4\uff0c\u5fae\u670d\u52a1\u6846\u67b6\u5f00\u6e90\u5927\u725b\u52a9\u9635\uff0c\u6709\u95ee\u5fc5\u7b54\uff0c\u6b22\u8fce\u5927\u5bb6\u626b\u7801\u52a0\u5165\uff0c<\/span>\u4e00\u8d77\u5b66\u4e60\u4ea4\u6d41\uff01<\/span><\/p>\n
    \u70b9\u51fb\u5173\u6ce8\u6211\uff0c\u4ea4\u4e2a\u670b\u53cb\u5427\uff01<\/span><\/section>\n
    <\/mp-common-profile><\/section>\n
    <\/mp-style-type><\/p>\n
    \n
    \u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 \u7a0b\u5e8f\u5458Aike              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"
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