{"id":10006380,"date":"2022-09-01T19:48:19","date_gmt":"2022-09-01T11:48:19","guid":{"rendered":"https:\/\/ityet.com\/?p=10006380"},"modified":"2022-09-01T19:48:19","modified_gmt":"2022-09-01T11:48:19","slug":"replication%ef%bc%88%e4%b8%8a%ef%bc%89%ef%bc%9a%e5%b8%b8%e8%a7%81%e5%a4%8d%e5%88%b6%e6%a8%a1%e5%9e%8b%e5%88%86%e5%b8%83%e5%bc%8f%e7%b3%bb%e7%bb%9f%e6%8c%91%e6%88%98","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006380","title":{"rendered":"Replication\uff08\u4e0a\uff09\uff1a\u5e38\u89c1\u590d\u5236\u6a21\u578b&amp;\u5206\u5e03\u5f0f\u7cfb\u7edf\u6311\u6218"},"content":{"rendered":"<p>\u5206\u5e03\u5f0f\u7cfb\u7edf\u8bbe\u8ba1\u662f\u4e00\u9879\u5341\u5206\u590d\u6742\u4e14\u5177\u6709\u6311\u6218\u6027\u7684\u4e8b\u60c5\u3002\u5176\u4e2d\uff0c\u6570\u636e\u590d\u5236\u4e0e\u4e00\u81f4\u6027\u66f4\u662f\u5176\u4e2d\u5341\u5206\u91cd\u8981\u7684\u4e00\u73af\u3002\u6570\u636e\u590d\u5236\u9886\u57df\u6982\u5ff5\u5e9e\u6742\u3001\u7406\u8bba\u6027\u5f3a\uff0c\u5982\u679c\u5bf9\u5e94\u7684\u7b97\u6cd5\u6ca1\u6709\u7406\u8bba\u9a8c\u8bc1\u5927\u6982\u7387\u4f1a\u51fa\u9519\u3002\u5982\u679c\u5728\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\uff0c\u4e0d\u4e86\u89e3\u5bf9\u5e94\u7406\u8bba\u6240\u89e3\u51b3\u7684\u95ee\u9898\u4ee5\u53ca\u4e0d\u540c\u7406\u8bba\u4e4b\u95f4\u7684\u8054\u7cfb\uff0c\u52bf\u5fc5\u65e0\u6cd5\u8bbe\u8ba1\u51fa\u4e00\u4e2a\u5408\u7406\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<\/p>\n<p>\u672c\u7cfb\u5217\u6587\u7ae0\u5206\u4e0a\u4e0b\u4e24\u7bc7\uff0c\u4ee5\u300a\u6570\u636e\u5bc6\u96c6\u578b\u5e94\u7528\u7cfb\u7edf\u8bbe\u8ba1\uff08DDIA\uff09\u300b\uff08\u4e0b\u6587\u7b80\u79f0\u300aDDIA\u300b\uff09\u4e3a\u4e3b\u7ebf\uff0c\u6587\u4e2d\u7684\u6838\u5fc3\u7406\u8bba\u8bb2\u89e3\u4e0e\u56fe\u7247\u6765\u81ea\u4e8e\u6b64\u4e66\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u52a0\u5165\u4e86\u65e5\u5e38\u5de5\u4f5c\u4e2d\u5bf9\u8fd9\u4e9b\u6982\u5ff5\u7684\u7406\u89e3\u4e0e\u4e2a\u6027\u5316\u7684\u601d\u8003\uff0c\u5e76\u5c06\u5b83\u4eec\u6620\u5c04\u5230Kafka\u4e2d\uff0c\u8ddf\u5927\u5bb6\u5206\u4eab\u4e00\u4e0b\u5982\u4f55\u5c06\u5177\u4f53\u7684\u7406\u8bba\u5e94\u7528\u4e8e\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d\u3002<\/p>\n<h2>1. \u7b80\u4ecb<\/h2>\n<h3>1.1 \u7b80\u4ecb\u2014\u2014\u4f7f\u7528\u590d\u5236\u7684\u76ee\u7684<\/h3>\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u6570\u636e\u901a\u5e38\u9700\u8981\u88ab\u5206\u6563\u5728\u591a\u53f0\u673a\u5668\u4e0a\uff0c\u4e3b\u8981\u4e3a\u4e86\u8fbe\u5230\u4ee5\u4e0b\u76ee\u7684\uff1a<\/p>\n<ol>\n<li>\u6269\u5c55\u6027\uff0c\u6570\u636e\u91cf\u56e0\u8bfb\u5199\u8d1f\u8f7d\u5de8\u5927\uff0c\u4e00\u53f0\u673a\u5668\u65e0\u6cd5\u627f\u8f7d\uff0c\u6570\u636e\u5206\u6563\u5728\u591a\u53f0\u673a\u5668\u4e0a\u53ef\u4ee5\u6709\u6548\u5730\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\uff0c\u8fbe\u5230\u7075\u6d3b\u7684\u6a2a\u5411\u6269\u5c55\u3002<\/li>\n<li>\u5bb9\u9519\u3001\u9ad8\u53ef\u7528\uff0c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u5355\u673a\u6545\u969c\u662f\u5e38\u6001\uff0c\u5728\u5355\u673a\u6545\u969c\u4e0b\u4ecd\u7136\u5e0c\u671b\u7cfb\u7edf\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u6570\u636e\u5728\u591a\u53f0\u673a\u5668\u4e0a\u505a\u5197\u4f59\uff0c\u5728\u9047\u5230\u5355\u673a\u6545\u969c\u65f6\u5176\u4ed6\u673a\u5668\u5c31\u53ef\u4ee5\u53ca\u65f6\u63a5\u7ba1\u3002<\/li>\n<li>\u7edf\u4e00\u7684\u7528\u6237\u4f53\u9a8c\uff0c\u5982\u679c\u7cfb\u7edf\u5ba2\u6237\u7aef\u5206\u5e03\u5728\u591a\u4e2a\u5730\u57df\uff0c\u901a\u5e38\u8003\u8651\u5728\u591a\u4e2a\u5730\u57df\u90e8\u7f72\u670d\u52a1\uff0c\u4ee5\u65b9\u4fbf\u7528\u6237\u80fd\u591f\u5c31\u8fd1\u8bbf\u95ee\u5230\u4ed6\u4eec\u6240\u9700\u8981\u7684\u6570\u636e\uff0c\u83b7\u5f97\u7edf\u4e00\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ol>\n<p>\u6570\u636e\u7684\u591a\u673a\u5206\u5e03\u7684\u65b9\u5f0f\u4e3b\u8981\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u5c06\u6570\u636e\u5206\u7247\u4fdd\u5b58\uff0c\u6bcf\u4e2a\u673a\u5668\u4fdd\u5b58\u6570\u636e\u7684\u90e8\u5206\u5206\u7247\uff08Kafka\u4e2d\u79f0\u4e3aPartition\uff0c\u5176\u4ed6\u90e8\u5206\u7cfb\u7edf\u79f0\u4e3aShard\uff09\uff0c\u53e6\u4e00\u79cd\u5219\u662f\u5b8c\u5168\u7684\u5197\u4f59\uff0c\u5176\u4e2d\u6bcf\u4e00\u4efd\u6570\u636e\u53eb\u505a\u4e00\u4e2a\u526f\u672c\uff08Kafka\u4e2d\u79f0\u4e3aReplica\uff09\uff0c\u901a\u8fc7\u6570\u636e\u590d\u5236\u6280\u672f\u5b9e\u73b0\u3002\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e24\u79cd\u65b9\u5f0f\u901a\u5e38\u4f1a\u5171\u540c\u4f7f\u7528\uff0c\u6700\u540e\u7684\u6570\u636e\u5206\u5e03\u5f80\u5f80\u662f\u4e0b\u56fe\u7684\u6837\u5b50\uff0c\u4e00\u53f0\u673a\u5668\u4e0a\u4f1a\u4fdd\u5b58\u4e0d\u540c\u6570\u636e\u5206\u7247\u7684\u82e5\u5e72\u4e2a\u526f\u672c\u3002\u672c\u7cfb\u5217\u535a\u6587\u4e3b\u8981\u4ecb\u7ecd\u7684\u662f\u6570\u636e\u5982\u4f55\u505a\u590d\u5236\uff0c\u5206\u533a\u5219\u662f\u53e6\u4e00\u4e2a\u4e3b\u9898\uff0c\u4e0d\u5728\u672c\u6587\u7684\u8ba8\u8bba\u8303\u7574\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394554\" alt=\"\u56fe1 \u5e38\u89c1\u6570\u636e\u5206\u5e03\" title=\"\u56fe1 \u5e38\u89c1\u6570\u636e\u5206\u5e03\" loading=\"lazy\"><\/p>\n<p>\u590d\u5236\u7684\u76ee\u6807\u9700\u8981\u4fdd\u8bc1\u82e5\u5e72\u4e2a\u526f\u672c\u4e0a\u7684\u6570\u636e\u662f\u4e00\u81f4\u7684\uff0c\u8fd9\u91cc\u7684\u201c\u4e00\u81f4\u201d\u662f\u4e00\u4e2a\u5341\u5206\u4e0d\u786e\u5b9a\u7684\u8bcd\uff0c\u65e2\u53ef\u4ee5\u662f\u4e0d\u540c\u526f\u672c\u4e0a\u7684\u6570\u636e\u5728\u4efb\u4f55\u65f6\u523b\u90fd\u4fdd\u6301\u5b8c\u5168\u4e00\u81f4\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e0d\u540c\u5ba2\u6237\u7aef\u4e0d\u540c\u65f6\u523b\u8bbf\u95ee\u5230\u7684\u6570\u636e\u4fdd\u6301\u4e00\u81f4\u3002\u4e00\u81f4\u6027\u7684\u5f3a\u5f31\u4e5f\u4f1a\u4e0d\u540c\uff0c\u6709\u53ef\u80fd\u9700\u8981\u4efb\u4f55\u65f6\u5019\u4e0d\u540c\u5ba2\u7aef\u90fd\u80fd\u8bbf\u95ee\u5230\u76f8\u540c\u7684\u65b0\u7684\u6570\u636e\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u4e0d\u540c\u5ba2\u6237\u7aef\u67d0\u4e00\u65f6\u523b\u8bbf\u95ee\u7684\u6570\u636e\u4e0d\u76f8\u540c\uff0c\u4f46\u5728\u4e00\u6bb5\u65f6\u95f4\u540e\u53ef\u4ee5\u8bbf\u95ee\u5230\u76f8\u540c\u7684\u6570\u636e\u3002\u56e0\u6b64\uff0c\u201c\u4e00\u81f4\u6027\u201d\u662f\u4e00\u4e2a\u503c\u5f97\u5355\u72ec\u62bd\u51fa\u6765\u7ec6\u8bf4\u7684\u8bcd\u3002\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u91cd\u70b9\u4ecb\u7ecd\u8fd9\u4e2a\u8bcd\u5728\u4e0d\u540c\u4e0a\u4e0b\u6587\u4e4b\u95f4\u7684\u542b\u4e49\u3002<\/p>\n<p>\u6b64\u65f6\uff0c\u5927\u5bb6\u53ef\u80fd\u4f1a\u6709\u7591\u95ee\uff0c\u76f4\u63a5\u8ba9\u6240\u6709\u526f\u672c\u5728\u4efb\u610f\u65f6\u523b\u90fd\u4fdd\u6301\u4e00\u81f4\u4e0d\u5c31\u884c\u4e86\uff0c\u4e3a\u5565\u8fd8\u8981\u6709\u5404\u79cd\u4e0d\u540c\u7684\u4e00\u81f4\u6027\u5462\uff1f\u6211\u4eec\u8ba4\u4e3a\u6709\u4e24\u4e2a\u8003\u91cf\u70b9\uff0c\u7b2c\u4e00\u662f\u6027\u80fd\uff0c\u7b2c\u4e8c\u5219\u662f\u590d\u6742\u6027\u3002<\/p>\n<p><strong>\u6027\u80fd<\/strong>\u6bd4\u8f83\u597d\u7406\u89e3\uff0c\u56e0\u4e3a\u5197\u4f59\u7684\u76ee\u7684\u4e0d\u5b8c\u5168\u662f\u4e3a\u4e86\u9ad8\u53ef\u7528\uff0c\u8fd8\u6709\u5ef6\u8fdf\u548c\u8d1f\u8f7d\u5747\u8861\u8fd9\u7c7b\u63d0\u5347\u6027\u80fd\u7684\u76ee\u7684\uff0c\u5982\u679c\u53ea\u4e00\u5473\u5730\u4e3a\u4e86\u5730\u5f3a\u8c03\u6570\u636e\u4e00\u81f4\uff0c\u53ef\u80fd\u5f97\u4e0d\u507f\u5931\u3002<strong>\u590d\u6742\u6027<\/strong>\u662f\u56e0\u4e3a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u6709\u7740\u6bd4\u5355\u673a\u7cfb\u7edf\u66f4\u52a0\u590d\u6742\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u8282\u70b9\u4e4b\u95f4\u7531\u4e8e\u91c7\u7528\u4e0d\u5927\u53ef\u9760\u7684\u7f51\u7edc\u8fdb\u884c\u4f20\u8f93\uff0c\u5e76\u4e14\u4e0d\u80fd\u5171\u4eab\u7edf\u4e00\u7684\u4e00\u5957\u7cfb\u7edf\u65f6\u95f4\u548c\u5185\u5b58\u5730\u5740\uff08\u540e\u6587\u4f1a\u8be6\u7ec6\u8fdb\u884c\u8bf4\u660e\uff09\uff0c\u8fd9\u4f7f\u5f97\u539f\u672c\u5728\u4e00\u4e9b\u5355\u673a\u7cfb\u7edf\u4e0a\u5f88\u7b80\u5355\u7684\u4e8b\u60c5\uff0c\u5728\u8f6c\u5230\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e0a\u4ee5\u540e\u5c31\u53d8\u5f97\u5f02\u5e38\u590d\u6742\u3002\u8fd9\u79cd\u590d\u6742\u6027\u548c\u4e0d\u786e\u5b9a\u6027\u751a\u81f3\u4f1a\u8ba9\u6211\u4eec\u6000\u7591\uff0c\u8fd9\u4e9b\u526f\u672c\u4e0a\u7684\u6570\u636e\u771f\u7684\u80fd\u8fbe\u6210\u4e00\u81f4\u5417\uff1f\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4f1a\u4e13\u95e8\u8be6\u7ec6\u5206\u6790\u5982\u4f55\u8bbe\u8ba1\u7b97\u6cd5\u6765\u5e94\u5bf9\u8fd9\u79cd\u590d\u6742\u548c\u4e0d\u786e\u5b9a\u6027\u3002<\/p>\n<h3>1.2 \u6587\u7ae0\u7cfb\u5217\u6982\u8ff0<\/h3>\n<p>\u672c\u7cfb\u5217\u535a\u6587\u5c06\u5206\u4e3a\u4e0a\u4e0b\u4e24\u7bc7\uff0c\u7b2c\u4e00\u7bc7\u5c06\u4e3b\u8981\u4ecb\u7ecd\u51e0\u79cd\u5e38\u89c1\u7684\u6570\u636e\u590d\u5236\u6a21\u578b\uff0c\u7136\u540e\u4ecb\u7ecd\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u6311\u6218\uff0c\u8ba9\u5927\u5bb6\u5bf9\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e00\u4e9b\u7a00\u5947\u53e4\u602a\u7684\u6545\u969c\u6709\u4e00\u4e9b\u611f\u6027\u7684\u8ba4\u8bc6\u3002<\/p>\n<p>\u7b2c\u4e8c\u7bc7\u6587\u7ae0\u5c06\u9488\u5bf9\u672c\u7bc7\u4e2d\u63d0\u5230\u7684\u95ee\u9898\uff0c\u5206\u522b\u4ecb\u7ecd\u4e8b\u52a1\u3001\u5206\u5e03\u5f0f\u5171\u8bc6\u7b97\u6cd5\u548c\u4e00\u81f4\u6027\uff0c\u4ee5\u53ca\u4e09\u8005\u7684\u5185\u5728\u8054\u7cfb\uff0c\u518d\u5206\u4eab\u5982\u4f55\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u8fdb\u800c\u8ba9\u5927\u5bb6\u5bf9\u6570\u636e\u590d\u5236\u6280\u672f\u6709\u4e00\u4e2a\u8f83\u4e3a\u5168\u9762\u7684\u8ba4\u8bc6\u3002\u6b64\u5916\uff0c\u672c\u7cfb\u5217\u8fd8\u5c06\u4ecb\u7ecd\u4e1a\u754c\u9a8c\u8bc1\u5206\u5e03\u5f0f\u7b97\u6cd5\u6b63\u786e\u6027\u7684\u4e00\u4e9b\u5de5\u5177\u548c\u6846\u67b6\u3002\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u4e00\u8d77\u5f00\u59cb\u6570\u636e\u590d\u5236\u4e4b\u65c5\u5427\uff01<\/p>\n<h2>2. \u6570\u636e\u590d\u5236\u6a21\u5f0f<\/h2>\n<p>\u603b\u4f53\u800c\u8a00\uff0c\u6700\u5e38\u89c1\u7684\u590d\u5236\u6a21\u5f0f\u6709\u4e09\u79cd\uff0c\u5206\u522b\u4e3a\u4e3b\u4ece\u6a21\u5f0f\u3001\u591a\u4e3b\u8282\u70b9\u6a21\u5f0f\u3001\u65e0\u4e3b\u8282\u70b9\u6a21\u5f0f\uff0c\u4e0b\u9762\u5206\u522b\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<h3>2.1 \u6700\u7b80\u5355\u7684\u590d\u5236\u6a21\u5f0f\u2014\u2014\u4e3b\u4ece\u6a21\u5f0f<\/h3>\n<h4>\u7b80\u4ecb<\/h4>\n<p>\u5bf9\u590d\u5236\u800c\u8a00\uff0c\u6700\u76f4\u89c2\u7684\u65b9\u6cd5\u5c31\u662f\u5c06\u526f\u672c\u8d4b\u4e88\u4e0d\u540c\u7684\u89d2\u8272\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u4e3b\u526f\u672c\uff0c\u4e3b\u526f\u672c\u5c06\u6570\u636e\u5b58\u50a8\u5728\u672c\u5730\u540e\uff0c\u5c06\u6570\u636e\u66f4\u6539\u4f5c\u4e3a\u65e5\u5fd7\uff0c\u6216\u8005\u4ee5\u66f4\u6539\u6d41\u7684\u65b9\u5f0f\u53d1\u5230\u5404\u4e2a\u4ece\u526f\u672c\uff08\u540e\u6587\u4e5f\u4f1a\u79f0\u8282\u70b9\uff09\u4e2d\u3002\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u5199\u8bf7\u6c42\u5c31\u5168\u90e8\u4f1a\u5199\u5165\u5230\u4e3b\u8282\u70b9\u4e0a\uff0c\u8bfb\u8bf7\u6c42\u65e2\u53ef\u4ee5\u7531\u4e3b\u526f\u672c\u627f\u62c5\u4e5f\u53ef\u4ee5\u7531\u4ece\u526f\u672c\u627f\u62c5\uff0c\u8fd9\u6837\u5bf9\u4e8e\u8bfb\u8bf7\u6c42\u800c\u8a00\u5c31\u5177\u5907\u4e86\u6269\u5c55\u6027\uff0c\u5e76\u8fdb\u884c\u4e86\u8d1f\u8f7d\u5747\u8861\u3002\u4f46\u8fd9\u91cc\u9762\u5b58\u5728\u4e00\u4e2a\u6743\u8861\u70b9\uff0c\u5c31\u662f\u5ba2\u6237\u7aef\u89c6\u89d2\u770b\u5230\u7684\u4e00\u81f4\u6027\u95ee\u9898\u3002\u8fd9\u4e2a\u6743\u8861\u70b9\u5b58\u5728\u7684\u6838\u5fc3\u5728\u4e8e\uff0c\u6570\u636e\u4f20\u8f93\u662f\u901a\u8fc7\u7f51\u7edc\u4f20\u9012\u7684\uff0c\u6570\u636e\u5728\u7f51\u7edc\u4e2d\u4f20\u8f93\u7684\u65f6\u95f4\u662f\u4e0d\u80fd\u5ffd\u7565\u7684\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394555\" alt=\"\u56fe2 \u540c\u6b65\u590d\u5236\u4e0e\u5f02\u6b65\u590d\u5236\" title=\"\u56fe2 \u540c\u6b65\u590d\u5236\u4e0e\u5f02\u6b65\u590d\u5236\" loading=\"lazy\"><\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u5728\u8fd9\u4e2a\u65f6\u95f4\u7a97\u53e3\u4e2d\uff0c\u4efb\u4f55\u60c5\u51b5\u90fd\u6709\u53ef\u80fd\u53d1\u751f\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5ba2\u6237\u7aef\u4f55\u65f6\u7b97\u5199\u5165\u5b8c\u6210\uff0c\u4f1a\u51b3\u5b9a\u5176\u4ed6\u5ba2\u6237\u7aef\u8bfb\u5230\u6570\u636e\u7684\u53ef\u80fd\u6027\u3002\u8fd9\u91cc\u6211\u4eec\u5047\u8bbe\u8fd9\u4efd\u6570\u636e\u6709\u4e00\u4e2a\u4e3b\u526f\u672c\u548c\u4e00\u4e2a\u4ece\u526f\u672c\uff0c\u5982\u679c\u4e3b\u526f\u672c\u4fdd\u5b58\u540e\u5373\u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u6210\u529f\uff0c\u8fd9\u6837\u53eb\u505a\u5f02\u6b65\u590d\u5236\uff081\uff09\u3002\u800c\u5982\u679c\u7b49\u5230\u6570\u636e\u4f20\u9001\u5230\u4ece\u526f\u672c1\uff0c\u5e76\u5f97\u5230\u786e\u8ba4\u4e4b\u540e\u518d\u8fd4\u56de\u5ba2\u6237\u7aef\u6210\u529f\uff0c\u79f0\u4e3a\u540c\u6b65\u590d\u5236\uff082\uff09\u3002\u8fd9\u91cc\u6211\u4eec\u5148\u5047\u8bbe\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\uff0c\u5728\u5f02\u6b65\u540c\u6b65\u4e0b\uff0c\u5982\u679c\u4ece\u526f\u672c\u627f\u62c5\u8bfb\u8bf7\u6c42\uff0c\u5047\u8bbereader1\u548creader2\u540c\u65f6\u5728\u5ba2\u6237\u7aef\u6536\u5230\u5199\u5165\u6210\u529f\u540e\u53d1\u51fa\u8bfb\u8bf7\u6c42\uff0c\u4e24\u4e2areader\u5c31\u53ef\u80fd\u8bfb\u5230\u4e0d\u4e00\u6837\u7684\u503c\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u5b9e\u9645\u4e0a\u6709\u4e24\u79cd\u89d2\u5ea6\u7684\u505a\u6cd5\uff0c\u7b2c\u4e00\u79cd\u89d2\u5ea6\u662f\u8ba9\u5ba2\u6237\u7aef\u53ea\u4ece\u4e3b\u526f\u672c\u8bfb\u53d6\u6570\u636e\uff0c\u8fd9\u6837\uff0c\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u5ba2\u6237\u7aef\u8bfb\u5230\u7684\u6570\u636e\u4e00\u5b9a\u662f\u4e00\u81f4\u7684\uff08Kafka\u5f53\u524d\u7684\u505a\u6cd5\uff09\uff1b\u53e6\u4e00\u79cd\u89d2\u5ea6\u5219\u662f\u91c7\u7528\u540c\u6b65\u590d\u5236\uff0c\u5047\u8bbe\u4f7f\u7528\u7eaf\u7684\u540c\u6b65\u590d\u5236\uff0c\u5f53\u6709\u591a\u4e2a\u526f\u672c\u65f6\uff0c\u4efb\u4f55\u4e00\u4e2a\u526f\u672c\u6240\u5728\u7684\u8282\u70b9\u53d1\u751f\u6545\u969c\uff0c\u90fd\u4f1a\u4f7f\u5199\u8bf7\u6c42\u963b\u585e\uff0c\u540c\u65f6\u6bcf\u6b21\u5199\u8bf7\u6c42\u90fd\u9700\u8981\u7b49\u5f85\u6240\u6709\u8282\u70b9\u786e\u8ba4\uff0c\u5982\u679c\u526f\u672c\u8fc7\u591a\u4f1a\u6781\u5927\u5f71\u54cd\u541e\u5410\u91cf\u3002\u800c\u5982\u679c\u4ec5\u91c7\u7528\u5f02\u6b65\u590d\u5236\u5e76\u7531\u4e3b\u526f\u672c\u627f\u62c5\u8bfb\u8bf7\u6c42\uff0c\u5f53\u4e3b\u8282\u70b9\u6545\u969c\u53d1\u751f\u5207\u6362\u65f6\uff0c\u4e00\u6837\u4f1a\u53d1\u751f\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5f88\u591a\u7cfb\u7edf\u4f1a\u628a\u8fd9\u4e2a\u51b3\u7b56\u6743\u4ea4\u7ed9\u7528\u6237\uff0c\u8fd9\u91cc\u6211\u4eec\u4ee5Kafka\u4e3a\u4f8b\uff0c\u9996\u5148\u63d0\u4f9b\u4e86\u540c\u6b65\u4e0e\u5f02\u6b65\u590d\u5236\u7684\u8bed\u4e49\uff08\u901a\u8fc7\u5ba2\u6237\u7aef\u7684acks\u53c2\u6570\u786e\u5b9a\uff09\uff0c\u53e6\u5916\u63d0\u4f9b\u4e86ISR\u673a\u5236\uff0c\u800c\u53ea\u9700\u8981ISR\u4e2d\u7684\u526f\u672c\u786e\u8ba4\u5373\u53ef\uff0c\u7cfb\u7edf\u53ef\u4ee5\u5bb9\u5fcd\u90e8\u5206\u8282\u70b9\u56e0\u4e3a\u5404\u79cd\u6545\u969c\u800c\u8131\u79bbISR\uff0c\u90a3\u6837\u5ba2\u6237\u7aef\u5c06\u4e0d\u7528\u7b49\u5f85\u5176\u786e\u8ba4\uff0c\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u5bb9\u9519\u6027\u3002\u5f53\u524dKafka\u672a\u63d0\u4f9b\u8ba9\u4ece\u8282\u70b9\u627f\u62c5\u8bfb\u8bf7\u6c42\u7684\u8bbe\u8ba1\uff0c\u4f46\u5728\u9ad8\u7248\u672c\u4e2d\u5df2\u7ecf\u6709\u4e86\u8fd9\u4e2aFeature\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u7cfb\u7edf\u6709\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u573a\u666f\u81ea\u7531\u6743\u8861\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<h4>\u4e3b\u4ece\u6a21\u5f0f\u4e0b\u9700\u8981\u7684\u4e00\u4e9b\u80fd\u529b<\/h4>\n<p><strong>\u589e\u52a0\u65b0\u7684\u4ece\u526f\u672c\uff08\u8282\u70b9\uff09<\/strong><\/p>\n<ol>\n<li>\u5728Kafka\u4e2d\uff0c\u6211\u4eec\u6240\u91c7\u53d6\u7684\u7684\u65b9\u5f0f\u662f\u901a\u8fc7\u65b0\u5efa\u526f\u672c\u5206\u914d\u7684\u65b9\u5f0f\uff0c\u4ee5\u8ffd\u8d76\u7684\u65b9\u5f0f\u4ece\u4e3b\u526f\u672c\u4e2d\u540c\u6b65\u6570\u636e\u3002<\/li>\n<li>\n<p>\u6570\u636e\u5e93\u6240\u91c7\u7528\u7684\u7684\u65b9\u5f0f\u662f\u901a\u8fc7\u5feb\u7167+\u589e\u91cf\u7684\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n<p>a.\u5728\u67d0\u4e00\u4e2a\u65f6\u95f4\u70b9\u4ea7\u751f\u4e00\u4e2a\u4e00\u81f4\u6027\u7684\u5feb\u7167\u3002<br \/>  b.\u5c06\u5feb\u7167\u62f7\u8d1d\u5230\u4ece\u8282\u70b9\u3002<br \/>  c.\u4ece\u8282\u70b9\u8fde\u63a5\u5230\u4e3b\u8282\u70b9\u8bf7\u6c42\u6240\u6709\u5feb\u7167\u70b9\u540e\u53d1\u751f\u7684\u6539\u53d8\u65e5\u5fd7\u3002<br \/>  d.\u83b7\u53d6\u5230\u65e5\u5fd7\u540e\uff0c\u5e94\u7528\u65e5\u5fd7\u5230\u81ea\u5df1\u7684\u526f\u672c\u4e2d\uff0c\u79f0\u4e4b\u4e3a\u8ffd\u8d76\u3002<br \/>  e.\u53ef\u80fd\u91cd\u590d\u591a\u8f6ea-d\u3002<\/p>\n<\/li>\n<\/ol>\n<p><strong>\u5904\u7406\u8282\u70b9\u5931\u6548<\/strong><\/p>\n<p><strong>\u4ece\u8282\u70b9\u5931\u6548\u2014\u2014\u8ffd\u8d76\u5f0f\u6062\u590d<\/strong><\/p>\n<p>\u9488\u5bf9\u4ece\u8282\u70b9\u5931\u6548\uff0c\u6062\u590d\u624b\u6bb5\u8f83\u4e3a\u7b80\u5355\uff0c\u4e00\u822c\u91c7\u7528\u8ffd\u8d76\u5f0f\u6062\u590d\u3002\u800c\u5bf9\u4e8e\u6570\u636e\u5e93\u800c\u8a00\uff0c\u4ece\u8282\u70b9\u53ef\u4ee5\u77e5\u9053\u5728\u5d29\u6e83\u524d\u6240\u6267\u884c\u7684\u6700\u540e\u4e00\u4e2a\u4e8b\u52a1\uff0c\u7136\u540e\u8fde\u63a5\u4e3b\u8282\u70b9\uff0c\u4ece\u8be5\u8282\u70b9\u5c06\u62c9\u53d6\u6240\u6709\u7684\u4e8b\u4ef6\u53d8\u66f4\uff0c\u5c06\u8fd9\u4e9b\u53d8\u66f4\u5e94\u7528\u5230\u672c\u5730\u8bb0\u5f55\u5373\u53ef\u5b8c\u6210\u8ffd\u8d76\u3002<\/p>\n<p>\u5bf9\u4e8eKafka\u800c\u8a00\uff0c\u6062\u590d\u4e5f\u662f\u7c7b\u4f3c\u7684\uff0cKafka\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u5b9a\u671f\u9879\u78c1\u76d8\u6587\u4ef6\u4e2d\u5199\u5165checkpoint\uff0c\u5171\u5305\u542b\u4e24\u4e2a\u6587\u4ef6\uff0c\u4e00\u4e2a\u662frecovery-point-offset-checkpoint\uff0c\u8bb0\u5f55\u5df2\u7ecf\u5199\u5230\u78c1\u76d8\u7684offset\uff0c\u53e6\u4e00\u4e2a\u5219\u662freplication-offset-checkpoint\uff0c\u7528\u6765\u8bb0\u5f55\u9ad8\u6c34\u4f4d\uff08\u4e0b\u6587\u7b80\u79f0HW\uff09\uff0c\u7531ReplicaManager\u5199\u5165\uff0c\u4e0b\u4e00\u6b21\u6062\u590d\u65f6\uff0cBroker\u5c06\u8bfb\u53d6\u4e24\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u53ef\u80fd\u6709\u4e9b\u88ab\u8bb0\u5f55\u5230\u672c\u5730\u78c1\u76d8\u4e0a\u7684\u65e5\u5fd7\u6ca1\u6709\u63d0\u4ea4\uff0c\u8fd9\u65f6\u5c31\u4f1a\u5148\u622a\u65ad\uff08Truncate\uff09\u5230HW\u5bf9\u5e94\u7684offset\u4e0a\uff0c\u7136\u540e\u4ece\u8fd9\u4e2aoffset\u5f00\u59cb\u4eceLeader\u526f\u672c\u62c9\u53d6\u6570\u636e\uff0c\u76f4\u5230\u8ba4\u8ffd\u4e0aLeader\uff0c\u88ab\u52a0\u5165\u5230ISR\u96c6\u5408\u4e2d<\/p>\n<p><strong>\u4e3b\u8282\u70b9\u5931\u6548&#8211;\u8282\u70b9\u5207\u6362<\/strong><\/p>\n<p>\u4e3b\u8282\u70b9\u5931\u6548\u5219\u4f1a\u7a0d\u7a0d\u590d\u6742\u4e00\u4e9b\uff0c\u9700\u8981\u7ecf\u5386\u4e09\u4e2a\u6b65\u9aa4\u6765\u5b8c\u6210\u8282\u70b9\u7684\u5207\u6362\u3002<\/p>\n<ol>\n<li>\u786e\u8ba4\u4e3b\u8282\u70b9\u5931\u6548\uff0c\u7531\u4e8e\u5931\u6548\u7684\u539f\u56e0\u6709\u591a\u79cd\u591a\u6837\uff0c\u5927\u591a\u6570\u7cfb\u7edf\u4f1a\u91c7\u7528\u8d85\u65f6\u6765\u5224\u5b9a\u8282\u70b9\u5931\u6548\u3002\u4e00\u822c\u90fd\u662f\u91c7\u7528\u8282\u70b9\u95f4\u4e92\u53d1\u5fc3\u8df3\u7684\u65b9\u5f0f\uff0c\u5982\u679c\u53d1\u73b0\u67d0\u4e2a\u8282\u70b9\u5728\u8f83\u957f\u65f6\u95f4\u5185\u65e0\u54cd\u5e94\uff0c\u5219\u4f1a\u8ba4\u5b9a\u4e3a\u8282\u70b9\u5931\u6548\u3002\u5177\u4f53\u5230Kafka\u4e2d\uff0c\u5b83\u662f\u901a\u8fc7\u548cZookeeper\uff08\u4e0b\u6587\u7b80\u79f0ZK\uff09\u95f4\u7684\u4f1a\u8bdd\u6765\u4fdd\u6301\u5fc3\u8df3\u7684\uff0c\u5728\u542f\u52a8\u65f6Kafka\u4f1a\u5728ZK\u4e0a\u6ce8\u518c\u4e34\u65f6\u8282\u70b9\uff0c\u6b64\u540e\u4f1a\u548cZK\u95f4\u7ef4\u6301\u4f1a\u8bdd\uff0c\u5047\u8bbeKafka\u8282\u70b9\u51fa\u73b0\u6545\u969c\uff08\u8fd9\u91cc\u6307\u88ab\u52a8\u7684\u6389\u7ebf\uff0c\u4e0d\u5305\u542b\u4e3b\u52a8\u6267\u884c\u505c\u670d\u7684\u64cd\u4f5c\uff09\uff0c\u5f53\u4f1a\u8bdd\u5fc3\u8df3\u8d85\u65f6\u65f6\uff0cZK\u4e0a\u7684\u4e34\u65f6\u8282\u70b9\u4f1a\u6389\u7ebf\uff0c\u8fd9\u65f6\u4f1a\u6709\u4e13\u95e8\u7684\u7ec4\u4ef6\uff08Controller\uff09\u76d1\u542c\u5230\u8fd9\u4e00\u4fe1\u606f\uff0c\u5e76\u8ba4\u5b9a\u8282\u70b9\u5931\u6548\u3002<\/li>\n<li>\u9009\u4e3e\u65b0\u7684\u4e3b\u8282\u70b9\u3002\u8fd9\u91cc\u53ef\u4ee5\u901a\u8fc7\u901a\u8fc7\u9009\u4e3e\u7684\u65b9\u5f0f\uff08\u6c11\u4e3b\u534f\u5546\u6295\u7968\uff0c\u901a\u5e38\u4f7f\u7528\u5171\u8bc6\u7b97\u6cd5\uff09\uff0c\u6216\u7531\u67d0\u4e2a\u7279\u5b9a\u7684\u7ec4\u4ef6\u6307\u5b9a\u67d0\u4e2a\u8282\u70b9\u4f5c\u4e3a\u65b0\u7684\u8282\u70b9\uff08Kafka\u7684Controller\uff09\u3002\u5728\u9009\u4e3e\u6216\u6307\u5b9a\u65f6\uff0c\u9700\u8981\u5c3d\u53ef\u80fd\u5730\u8ba9\u65b0\u4e3b\u4e0e\u539f\u4e3b\u7684\u5dee\u8ddd\u6700\u5c0f\uff0c\u8fd9\u6837\u4f1a\u6700\u5c0f\u5316\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\uff08\u8ba9\u6240\u6709\u8282\u70b9\u90fd\u8ba4\u53ef\u65b0\u7684\u4e3b\u8282\u70b9\u662f\u5178\u578b\u7684\u5171\u8bc6\u95ee\u9898\uff09\u2014\u2014\u8fd9\u91cc\u6240\u8c13\u5171\u8bc6\uff0c\u5c31\u662f\u8ba9\u4e00\u4e2a\u5c0f\u7ec4\u7684\u8282\u70b9\u5c31\u67d0\u4e00\u4e2a\u8bae\u9898\u8fbe\u6210\u4e00\u81f4\uff0c\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4f1a\u91cd\u70b9\u8fdb\u884c\u4ecb\u7ecd\u3002<\/li>\n<li>\u91cd\u65b0\u914d\u7f6e\u7cfb\u7edf\u662f\u65b0\u7684\u4e3b\u8282\u70b9\u751f\u6548\uff0c\u8fd9\u4e00\u9636\u6bb5\u57fa\u672c\u53ef\u4ee5\u7406\u89e3\u4e3a\u5bf9\u96c6\u7fa4\u7684\u5143\u6570\u636e\u8fdb\u884c\u4fee\u6539\uff0c\u8ba9\u6240\u6709\u5916\u754c\u77e5\u9053\u65b0\u4e3b\u8282\u70b9\u7684\u5b58\u5728\uff08Kafka\u4e2dController\u901a\u8fc7\u5143\u6570\u636e\u5e7f\u64ad\u5b9e\u73b0\uff09\uff0c\u540e\u7eed\u53ca\u65f6\u65e7\u7684\u8282\u70b9\u542f\u52a8\uff0c\u4e5f\u9700\u8981\u786e\u4fdd\u5b83\u4e0d\u80fd\u518d\u8ba4\u4e3a\u81ea\u5df1\u662f\u4e3b\u8282\u70b9\uff0c\u4ece\u800c\u627f\u62c5\u5199\u8bf7\u6c42\u3002<\/li>\n<\/ol>\n<p><strong>\u95ee\u9898<\/strong><\/p>\n<p>\u867d\u7136\u4e0a\u8ff0\u4e09\u4e2a\u6b65\u9aa4\u8f83\u4e3a\u6e05\u6670\uff0c\u4f46\u5728\u5b9e\u9645\u53d1\u751f\u65f6\uff0c\u8fd8\u4f1a\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\u5047\u8bbe\u91c7\u7528\u5f02\u6b65\u590d\u5236\uff0c\u5728\u5931\u6548\u524d\uff0c\u65b0\u7684\u4e3b\u8282\u70b9\u4e0e\u539f\u4e3b\u8282\u70b9\u7684\u6570\u636e\u5b58\u5728Gap\uff0c\u9009\u4e3e\u5b8c\u6210\u540e\uff0c\u539f\u4e3b\u8282\u70b9\u5f88\u5feb\u91cd\u65b0\u4e0a\u7ebf\u52a0\u5165\u5230\u96c6\u7fa4\uff0c\u8fd9\u65f6\u65b0\u7684\u4e3b\u8282\u70b9\u53ef\u80fd\u4f1a\u6536\u5230\u51b2\u7a81\u7684\u5199\u8bf7\u6c42\uff0c\u6b64\u65f6\u8fd8\u672a\u5b8c\u5168\u6267\u884c\u4e0a\u8ff0\u6b65\u9aa4\u7684\u7b2c\u4e09\u6b65\uff0c\u4e5f\u5c31\u662f\u539f\u4e3b\u8282\u70b9\u6ca1\u6709\u610f\u8bc6\u5230\u81ea\u5df1\u7684\u89d2\u8272\u53d1\u751f\u53d8\u5316\uff0c\u8fd8\u4f1a\u5c1d\u8bd5\u5411\u65b0\u4e3b\u8282\u70b9\u540c\u6b65\u6570\u636e\u3002\u8fd9\u65f6\uff0c\u4e00\u822c\u7684\u505a\u6cd5\u662f\uff0c\u5c06\u539f\u4e3b\u8282\u70b9\u4e0a\u672a\u5b8c\u6210\u590d\u5236\u7684\u5199\u8bf7\u6c42\u4e22\u6389\uff0c\u4f46\u8fd9\u53c8\u53ef\u80fd\u4f1a\u53d1\u751f\u6570\u636e\u4e22\u5931\u6216\u4e0d\u4e00\u81f4\uff0c\u5047\u8bbe\u6211\u4eec\u6bcf\u6761\u6570\u636e\u91c7\u7528MySQL\u7684\u81ea\u589eID\u4f5c\u4e3a\u4e3b\u952e\uff0c\u5e76\u4e14\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\uff0c\u5047\u8bbe\u53d1\u751f\u4e86MySQL\u7684\u4e3b\u4ece\u5207\u6362\uff0c\u4ece\u8282\u70b9\u7684\u8ba1\u6570\u5668\u843d\u540e\u4e8e\u4e3b\u8282\u70b9\uff0c\u90a3\u6837\u53ef\u80fd\u51fa\u73b0\u5e94\u7528\u83b7\u53d6\u5230\u65e7\u7684\u81ea\u589eID\uff0c\u8fd9\u6837\u5c31\u4f1a\u4e0eRedis\u4e0a\u5bf9\u5e94ID\u53d6\u5230\u7684\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u51fa\u73b0\u6570\u636e\u6cc4\u9732\u6216\u4e22\u5931\u3002<\/li>\n<li>\u5047\u8bbe\u4e0a\u9762\u7684\u95ee\u9898\uff0c\u539f\u4e3b\u8282\u70b9\u56e0\u4e3a\u4e00\u4e9b\u6545\u969c\u6c38\u8fdc\u4e0d\u77e5\u9053\u81ea\u5df1\u89d2\u8272\u5df2\u7ecf\u53d8\u66f4\uff0c\u5219\u53ef\u80fd\u53d1\u751f\u201c\u8111\u88c2\u201d\uff0c\u4e24\u4e2a\u8282\u70b9\u540c\u65f6\u64cd\u4f5c\u6570\u636e\uff0c\u53c8\u6ca1\u6709\u76f8\u5e94\u89e3\u51b3\u51b2\u7a81\uff08\u6ca1\u6709\u8bbe\u8ba1\u8fd9\u4e00\u6a21\u5757\uff09\uff0c\u5c31\u6709\u53ef\u80fd\u5bf9\u6570\u636e\u9020\u6210\u7834\u574f\u3002<\/li>\n<li>\u6b64\u5916\uff0c\u5bf9\u4e8e\u8d85\u65f6\u65f6\u95f4\u7684\u8bbe\u5b9a\u4e5f\u662f\u4e2a\u5341\u5206\u590d\u6742\u7684\u95ee\u9898\uff0c\u8fc7\u957f\u4f1a\u5bfc\u81f4\u670d\u52a1\u4e0d\u53ef\u7528\uff0c\u8bbe\u7f6e\u8fc7\u77ed\u5219\u4f1a\u5bfc\u81f4\u8282\u70b9\u9891\u7e41\u5207\u6362\uff0c\u5047\u8bbe\u672c\u8eab\u7cfb\u7edf\u5904\u4e8e\u9ad8\u8d1f\u8f7d\u72b6\u6001\uff0c\u9891\u7e41\u89d2\u8272\u5207\u6362\u4f1a\u8ba9\u8d1f\u8f7d\u8fdb\u4e00\u6b65\u52a0\u91cd\uff08\u56e2\u961f\u5185\u90e8\u5bf9Kafka\u50f5\u5c38\u8282\u70b9\u7684\u5904\u7406\u903b\u8f91\uff09\u3002<\/li>\n<\/ol>\n<h4>\u5f02\u6b65\u590d\u5236\u9762\u4e34\u7684\u4e3b\u8981\u95ee\u9898&#8211;\u590d\u5236\u6ede\u540e<\/h4>\n<p>\u5982\u524d\u6587\u6240\u8ff0\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u7eaf\u7684\u540c\u6b65\u590d\u5236\uff0c\u4efb\u4f55\u4e00\u53f0\u673a\u5668\u53d1\u751f\u6545\u969c\u90fd\u4f1a\u5bfc\u81f4\u670d\u52a1\u4e0d\u53ef\u5199\u5165\uff0c\u5e76\u4e14\u5728\u6570\u8f83\u591a\u7684\u60c5\u51b5\u4e0b\uff0c\u541e\u5410\u548c\u53ef\u7528\u6027\u90fd\u4f1a\u53d7\u5230\u6bd4\u8f83\u5927\u7684\u5f71\u54cd\u3002\u5f88\u591a\u7cfb\u7edf\u90fd\u4f1a\u91c7\u7528\u534a\u6b65\u590d\u5236\u6216\u5f02\u6b65\u590d\u5236\u6765\u5728\u53ef\u7528\u6027\u548c\u4e00\u81f4\u6027\u4e4b\u95f4\u505a\u6743\u8861\u3002<\/p>\n<p>\u5728\u5f02\u6b65\u590d\u5236\u4e2d\uff0c\u7531\u4e8e\u5199\u8bf7\u6c42\u5199\u5230\u4e3b\u526f\u672c\u5c31\u8fd4\u56de\u6210\u529f\uff0c\u5728\u6570\u636e\u590d\u5236\u5230\u5176\u4ed6\u526f\u672c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u8fdb\u884c\u8bfb\u53d6\uff0c\u5728\u4e0d\u540c\u526f\u672c\u8bfb\u53d6\u5230\u7684\u6570\u636e\u53ef\u80fd\u4f1a\u4e0d\u4e00\u81f4\uff0c\u300aDDIA\u300b\u5c06\u8fd9\u4e2a\u79cd\u73b0\u8c61\u79f0\u4e3a\u590d\u5236\u6ede\u540e\uff08Replication Lag\uff09\uff0c\u5b58\u5728\u8fd9\u79cd\u95ee\u9898\u7684\u590d\u5236\u884c\u4e3a\u6240\u5f62\u6210\u7684\u6570\u636e\u4e00\u81f4\u6027\u7edf\u79f0\u4e3a\u6700\u7ec8\u4e00\u81f4\u6027\u3002\u672a\u6765\u8fd8\u4f1a\u91cd\u70b9\u4ecb\u7ecd\u4e00\u4e0b\u4e00\u81f4\u6027\u548c\u5171\u8bc6\uff0c\u4f46\u5728\u672c\u6587\u4e0d\u505a\u8fc7\u591a\u7684\u4ecb\u7ecd\uff0c\u611f\u5174\u8da3\u7684\u540c\u5b66\u53ef\u4ee5\u63d0\u524d\u9605\u8bfb\u300aProblems with Replication Lag\u300b\u8fd9\u4e00\u7ae0\u8282\u3002<\/p>\n<h3>2.2 \u591a\u4e3b\u8282\u70b9\u590d\u5236<\/h3>\n<p>\u524d\u6587\u4ecb\u7ecd\u7684\u4e3b\u4ece\u590d\u5236\u6a21\u578b\u4e2d\u5b58\u5728\u4e00\u4e2a\u6bd4\u8f83\u4e25\u91cd\u7684\u5f0a\u7aef\uff0c\u5c31\u662f\u6240\u6709\u5199\u8bf7\u6c42\u90fd\u9700\u8981\u7ecf\u8fc7\u4e3b\u8282\u70b9\uff0c\u56e0\u4e3a\u53ea\u5b58\u5728\u4e00\u4e2a\u4e3b\u8282\u70b9\uff0c\u5c31\u5f88\u5bb9\u6613\u51fa\u73b0\u6027\u80fd\u95ee\u9898\u3002\u867d\u7136\u6709\u4ece\u8282\u70b9\u4f5c\u4e3a\u5197\u4f59\u5e94\u5bf9\u5bb9\u9519\uff0c\u4f46\u5bf9\u4e8e\u5199\u5165\u8bf7\u6c42\u5b9e\u9645\u4e0a\u8fd9\u79cd\u590d\u5236\u65b9\u5f0f\u662f\u4e0d\u5177\u5907\u6269\u5c55\u6027\u7684\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u6765\u6e90\u4e8e\u591a\u4e2a\u5730\u57df\uff0c\u4e0d\u540c\u5ba2\u6237\u7aef\u6240\u611f\u77e5\u5230\u7684\u670d\u52a1\u76f8\u5e94\u65f6\u95f4\u5dee\u8ddd\u4f1a\u975e\u5e38\u5927\u3002\u56e0\u6b64\uff0c\u6709\u4e9b\u7cfb\u7edf\u987a\u7740\u4f20\u7edf\u4e3b\u4ece\u590d\u5236\u8fdb\u884c\u5ef6\u4f38\uff0c\u91c7\u7528\u591a\u4e2a\u4e3b\u8282\u70b9\u540c\u65f6\u627f\u62c5\u5199\u8bf7\u6c42\uff0c\u4e3b\u8282\u70b9\u63a5\u5230\u5199\u5165\u8bf7\u6c42\u4e4b\u540e\u5c06\u6570\u636e\u540c\u6b65\u5230\u4ece\u8282\u70b9\uff0c\u4e0d\u540c\u7684\u662f\uff0c\u8fd9\u4e2a\u4e3b\u8282\u70b9\u53ef\u80fd\u8fd8\u662f\u5176\u4ed6\u8282\u70b9\u7684\u4ece\u8282\u70b9\u3002\u590d\u5236\u6a21\u5f0f\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u53ef\u4ee5\u770b\u5230\u4e24\u4e2a\u4e3b\u8282\u70b9\u5728\u63a5\u5230\u5199\u8bf7\u6c42\u540e\uff0c\u5c06\u6570\u636e\u540c\u6b65\u5230\u540c\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\u7684\u4ece\u8282\u70b9\u3002\u6b64\u5916\uff0c\u8be5\u4e3b\u8282\u70b9\u8fd8\u5c06\u4e0d\u65ad\u540c\u6b65\u5728\u53e6\u4e00\u6570\u636e\u4e2d\u5fc3\u8282\u70b9\u4e0a\u7684\u6570\u636e\uff0c\u7531\u4e8e\u6bcf\u4e2a\u4e3b\u8282\u70b9\u540c\u65f6\u5904\u7406\u5176\u4ed6\u4e3b\u8282\u70b9\u7684\u6570\u636e\u548c\u5ba2\u6237\u7aef\u5199\u5165\u7684\u6570\u636e\uff0c\u56e0\u6b64\u9700\u8981\u6a21\u578b\u4e2d\u589e\u52a0\u4e00\u4e2a\u51b2\u7a81\u5904\u7406\u6a21\u5757\uff0c\u6700\u540e\u5199\u5230\u4e3b\u8282\u70b9\u7684\u6570\u636e\u9700\u8981\u89e3\u51b3\u51b2\u7a81\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394556\" alt=\"\u56fe3 \u591a\u4e3b\u8282\u70b9\u590d\u5236\" title=\"\u56fe3 \u591a\u4e3b\u8282\u70b9\u590d\u5236\" loading=\"lazy\"><\/p>\n<h4>\u4f7f\u7528\u573a\u666f<\/h4>\n<p><strong>a. \u591a\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72<\/strong><\/p>\n<p>\u4e00\u822c\u91c7\u7528\u591a\u4e3b\u8282\u70b9\u590d\u5236\uff0c\u90fd\u662f\u4e3a\u4e86\u505a\u591a\u6570\u636e\u4e2d\u5fc3\u5bb9\u707e\u6216\u8ba9\u5ba2\u6237\u7aef\u5c31\u8fd1\u8bbf\u95ee\uff08\u7528\u4e00\u4e2a\u9ad8\u5927\u4e0a\u7684\u540d\u8bcd\u53eb\u505a\u5f02\u5730\u591a\u6d3b\uff09\uff0c\u5728\u540c\u4e00\u4e2a\u5730\u57df\u4f7f\u7528\u591a\u4e3b\u8282\u70b9\u610f\u4e49\u4e0d\u5927\uff0c\u5728\u591a\u4e2a\u5730\u57df\u6216\u8005\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72\u76f8\u6bd4\u4e3b\u4ece\u590d\u5236\u6a21\u578b\u6709\u5982\u4e0b\u7684\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347<\/strong>\uff1a\u6027\u80fd\u63d0\u5347\u4e3b\u8981\u8868\u73b0\u5728\u4e24\u4e2a\u6838\u5fc3\u6307\u6807\u4e0a\uff0c\u9996\u5148\u4ece\u541e\u5410\u65b9\u9762\uff0c\u4f20\u7edf\u7684\u4e3b\u4ece\u6a21\u578b\u6240\u6709\u5199\u8bf7\u6c42\u90fd\u4f1a\u7ecf\u8fc7\u4e3b\u8282\u70b9\uff0c\u4e3b\u8282\u70b9\u5982\u679c\u65e0\u6cd5\u91c7\u7528\u6570\u636e\u5206\u533a\u7684\u65b9\u5f0f\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u80fd\u5b58\u5728\u6027\u80fd\u74f6\u9888\uff0c\u91c7\u7528\u591a\u4e3b\u8282\u70b9\u590d\u5236\u6a21\u5f0f\u4e0b\uff0c\u540c\u4e00\u4efd\u6570\u636e\u5c31\u53ef\u4ee5\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347\u541e\u5410\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u591a\u4e2a\u4e3b\u8282\u70b9\u5206\u5e03\u5728\u591a\u4e2a\u5730\u57df\uff0c\u5904\u4e8e\u4e0d\u540c\u5730\u57df\u7684\u5ba2\u6237\u7aef\u53ef\u4ee5\u5c31\u8fd1\u5c06\u8bf7\u6c42\u53d1\u9001\u5230\u5bf9\u5e94\u6570\u636e\u4e2d\u5fc3\u7684\u4e3b\u8282\u70b9\uff0c\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u4fdd\u8bc1\u4e0d\u540c\u5730\u57df\u7684\u5ba2\u6237\u7aef\u80fd\u591f\u4ee5\u76f8\u4f3c\u7684\u5ef6\u8fdf\u8bfb\u5199\u6570\u636e\uff0c\u63d0\u5347\u7528\u6237\u7684\u4f7f\u7528\u4f53\u9a8c\u3002<\/li>\n<li><strong>\u5bb9\u5fcd\u6570\u636e\u4e2d\u5fc3\u5931\u6548<\/strong>\uff1a\u5bf9\u4e8e\u4e3b\u4ece\u6a21\u5f0f\uff0c\u5047\u8bbe\u4e3b\u8282\u70b9\u6240\u5728\u7684\u6570\u636e\u4e2d\u5fc3\u53d1\u751f\u7f51\u7edc\u6545\u969c\uff0c\u9700\u8981\u53d1\u751f\u4e00\u6b21\u8282\u70b9\u5207\u6362\u624d\u53ef\u5c06\u6d41\u91cf\u5168\u90e8\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\uff0c\u800c\u91c7\u7528\u591a\u4e3b\u8282\u70b9\u6a21\u5f0f\uff0c\u5219\u53ef\u65e0\u7f1d\u5207\u6362\u5230\u65b0\u7684\u6570\u636e\u4e2d\u5fc3\uff0c\u63d0\u5347\u6574\u4f53\u670d\u52a1\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<p><strong>b.\u79bb\u7ebf\u5ba2\u6237\u7aef\u64cd\u4f5c<\/strong><\/p>\n<p>\u9664\u4e86\u89e3\u51b3\u591a\u4e2a\u5730\u57df\u5bb9\u9519\u548c\u5c31\u8fd1\u8bbf\u95ee\u7684\u95ee\u9898\uff0c\u8fd8\u6709\u4e00\u4e9b\u6709\u8da3\u7684\u573a\u666f\uff0c\u5176\u4e2d\u4e00\u4e2a\u573a\u666f\u5219\u662f\u5728\u7f51\u7edc\u79bb\u7ebf\u7684\u60c5\u51b5\u4e0b\u8fd8\u80fd\u7ee7\u7eed\u5de5\u4f5c\uff0c\u4f8b\u5982\u6211\u4eec\u7b14\u8bb0\u672c\u7535\u8111\u4e0a\u7684\u7b14\u8bb0\u6216\u5907\u5fd8\u5f55\uff0c\u6211\u4eec\u4e0d\u80fd\u56e0\u4e3a\u7f51\u7edc\u79bb\u7ebf\u5c31\u7981\u6b62\u4f7f\u7528\u8be5\u7a0b\u5e8f\uff0c\u6211\u4eec\u4f9d\u7136\u53ef\u4ee5\u5728\u672c\u5730\u6109\u5feb\u7684\u7f16\u8f91\u5185\u5bb9\uff08\u56fe\u4e2d\u6807\u8bb0\u4e3aOffline\u72b6\u6001\uff09\uff0c\u5f53\u6211\u4eec\u8fde\u4e0a\u7f51\u4e4b\u540e\uff0c\u8fd9\u4e9b\u5185\u5bb9\u53c8\u4f1a\u540c\u6b65\u5230\u8fdc\u7a0b\u7684\u8282\u70b9\u4e0a\uff0c\u8fd9\u91cc\u9762\u6211\u4eec\u628a\u672c\u5730\u7684App\u4e5f\u5f53\u505a\u5176\u4e2d\u7684\u4e00\u4e2a\u526f\u672c\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u627f\u62c5\u7528\u6237\u5728\u672c\u5730\u7684\u53d8\u66f4\u8bf7\u6c42\u3002\u8054\u7f51\u4e4b\u540e\uff0c\u518d\u540c\u6b65\u5230\u8fdc\u7a0b\u7684\u4e3b\u8282\u70b9\u4e0a\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394557\" alt=\"\u56fe4 Notion\u754c\u9762\" title=\"\u56fe4 Notion\u754c\u9762\" loading=\"lazy\"><\/p>\n<p><strong>c.\u534f\u540c\u7f16\u8f91<\/strong><\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u5bf9\u79bb\u7ebf\u5ba2\u6237\u7aef\u64cd\u4f5c\u8fdb\u884c\u6269\u5c55\uff0c\u5047\u8bbe\u6211\u4eec\u6240\u6709\u4eba\u540c\u65f6\u7f16\u8f91\u4e00\u4e2a\u6587\u6863\uff0c\u6bcf\u4e2a\u4eba\u901a\u8fc7Web\u5ba2\u6237\u7aef\u7f16\u8f91\u7684\u6587\u6863\u90fd\u53ef\u4ee5\u770b\u505a\u4e00\u4e2a\u4e3b\u8282\u70b9\u3002\u8fd9\u91cc\u6211\u4eec\u62ff\u7f8e\u56e2\u5185\u90e8\u7684\u5b66\u57ce\uff08\u5185\u90e8\u7684Wiki\u7cfb\u7edf\uff09\u4e3e\u4f8b\uff0c\u5f53\u6211\u4eec\u6b63\u5728\u7f16\u8f91\u4e00\u4efd\u6587\u6863\u7684\u65f6\u5019\uff0c\u57fa\u672c\u4e0a\u90fd\u4f1a\u53d1\u73b0\u53f3\u4e0a\u89d2\u4f1a\u51fa\u73b0\u201cxxx\u4e5f\u5728\u534f\u540c\u7f16\u8f91\u6587\u6863\u201d\u7684\u5b57\u6837\uff0c\u5f53\u6211\u4eec\u4fdd\u5b58\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u5c31\u4f1a\u81ea\u52a8\u5c06\u6570\u636e\u4fdd\u5b58\u5230\u672c\u5730\u5e76\u590d\u5236\u5230\u5176\u4ed6\u4e3b\u8282\u70b9\u4e0a\uff0c\u5404\u81ea\u5904\u7406\u5404\u81ea\u7aef\u4e0a\u7684\u51b2\u7a81\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u5f53\u6587\u6863\u51fa\u73b0\u4e86\u66f4\u65b0\u65f6\uff0c\u5b66\u57ce\u4f1a\u901a\u77e5\u6211\u4eec\u6709\u66f4\u65b0\uff0c\u9700\u8981\u6211\u4eec\u624b\u52a8\u70b9\u51fb\u66f4\u65b0\uff0c\u6765\u66f4\u65b0\u6211\u4eec\u672c\u5730\u4e3b\u8282\u70b9\u7684\u6570\u636e\u3002\u4e66\u4e2d\u8bf4\u660e\uff0c\u867d\u7136\u4e0d\u80fd\u5c06\u534f\u540c\u7f16\u8f91\u5b8c\u5168\u7b49\u540c\u4e8e\u6570\u636e\u5e93\u590d\u5236\uff0c\u4f46\u5374\u662f\u6709\u5f88\u591a\u76f8\u4f3c\u4e4b\u5904\uff0c\u4e5f\u9700\u8981\u5904\u7406\u51b2\u7a81\u95ee\u9898\u3002<\/p>\n<h3>\u51b2\u7a81\u89e3\u51b3<\/h3>\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u5206\u6790\uff0c\u6211\u4eec\u4e86\u89e3\u5230\u591a\u4e3b\u590d\u5236\u6a21\u578b\u6700\u5927\u6311\u6218\u5c31\u662f\u89e3\u51b3\u51b2\u7a81\uff0c\u4e0b\u9762\u6211\u4eec\u7b80\u5355\u770b\u4e0b\u300aDDIA\u300b\u4e2d\u7ed9\u51fa\u7684\u901a\u7528\u89e3\u6cd5\uff0c\u5728\u4ecb\u7ecd\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e2a\u5178\u578b\u7684\u51b2\u7a81\u3002<\/p>\n<h4>a.\u51b2\u7a81\u5b9e\u4f8b<\/h4>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394558\" alt=\"\u56fe5 \u51b2\u7a81\u5b9e\u4f8b\" title=\"\u56fe5 \u51b2\u7a81\u5b9e\u4f8b\" loading=\"lazy\"><\/p>\n<p>\u5728\u56fe\u4e2d\uff0c\u7531\u4e8e\u591a\u4e3b\u8282\u70b9\u91c7\u7528\u5f02\u6b65\u590d\u5236\uff0c\u7528\u6237\u5c06\u6570\u636e\u5199\u5165\u5230\u81ea\u5df1\u7684\u7f51\u9875\u5c31\u8fd4\u56de\u6210\u529f\u4e86\uff0c\u4f46\u5f53\u5c1d\u8bd5\u628a\u6570\u636e\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u4e3b\u8282\u70b9\u65f6\u5c31\u4f1a\u51fa\u95ee\u9898\uff0c\u8fd9\u91cc\u6211\u4eec\u5982\u679c\u5047\u8bbe\u4e3b\u8282\u70b9\u66f4\u65b0\u65f6\u91c7\u7528\u7c7b\u4f3cCAS\u7684\u66f4\u65b0\u65b9\u5f0f\u65f6\u66f4\u65b0\u65f6\uff0c\u90fd\u4f1a\u7531\u4e8e\u9884\u671f\u503c\u4e0d\u7b26\u5408\u4ece\u800c\u62d2\u7edd\u66f4\u65b0\u3002\u9488\u5bf9\u8fd9\u6837\u7684\u51b2\u7a81\uff0c\u4e66\u4e2d\u7ed9\u51fa\u4e86\u51e0\u79cd\u5e38\u89c1\u7684\u89e3\u51b3\u601d\u8def\u3002<\/p>\n<h4>b.\u89e3\u51b3\u601d\u8def<\/h4>\n<p><strong>1. \u907f\u514d\u51b2\u7a81<\/strong><\/p>\n<p>\u6240\u8c13\u89e3\u51b3\u95ee\u9898\u6700\u6839\u672c\u7684\u65b9\u5f0f\u5219\u662f\u5c3d\u53ef\u80fd\u4e0d\u8ba9\u5b83\u53d1\u751f\uff0c\u5982\u679c\u80fd\u591f\u5728\u5e94\u7528\u5c42\u4fdd\u8bc1\u5bf9\u7279\u5b9a\u6570\u636e\u7684\u8bf7\u6c42\u53ea\u53d1\u751f\u5728\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0c\u8fd9\u6837\u5c31\u6ca1\u6709\u6240\u8c13\u7684\u201c\u5199\u51b2\u7a81\u201d\u4e86\u3002\u7ee7\u7eed\u62ff\u4e0a\u9762\u7684\u534f\u540c\u7f16\u8f91\u6587\u6863\u4e3e\u4f8b\uff0c\u5982\u679c\u6211\u4eec\u628a\u6bcf\u4e2a\u4eba\u7684\u90fd\u5728\u586b\u6709\u81ea\u5df1\u59d3\u540d\u8868\u683c\u7684\u4e00\u884c\u91cc\u9762\u8fdb\u884c\u7f16\u8f91\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u4fdd\u8bc1\u6bcf\u4e2a\u4eba\u7684\u4fee\u6539\u8303\u56f4\u4e0d\u4f1a\u6709\u91cd\u53e0\uff0c\u51b2\u7a81\u4e5f\u5c31\u8fce\u5203\u800c\u89e3\u4e86\u3002<\/p>\n<p><strong>2. \u6536\u655b\u4e8e\u4e00\u81f4\u72b6\u6001<\/strong><\/p>\n<p>\u7136\u800c\uff0c\u5bf9\u66f4\u65b0\u6807\u9898\u8fd9\u79cd\u60c5\u51b5\u800c\u8a00\uff0c\u51b2\u7a81\u662f\u6ca1\u6cd5\u907f\u514d\u7684\uff0c\u4f46\u8fd8\u662f\u9700\u8981\u6709\u65b9\u6cd5\u89e3\u51b3\u3002\u5bf9\u4e8e\u5355\u4e3b\u8282\u70b9\u6a21\u5f0f\u800c\u8a00\uff0c\u5982\u679c\u540c\u4e00\u4e2a\u5b57\u6bb5\u6709\u591a\u6b21\u5199\u5165\uff0c\u90a3\u4e48\u6700\u540e\u5199\u5165\u7684\u4e00\u5b9a\u662f\u6700\u65b0\u7684\u3002ZK\u3001KafkaController\u3001KafkaReplica\u90fd\u6709\u7c7b\u4f3cEpoch\u7684\u65b9\u5f0f\u53bb\u5c4f\u853d\u8fc7\u671f\u7684\u5199\u64cd\u4f5c\uff0c\u7531\u4e8e\u6240\u6709\u7684\u5199\u8bf7\u6c42\u90fd\u7ecf\u8fc7\u540c\u4e00\u4e2a\u8282\u70b9\uff0c\u987a\u5e8f\u662f\u7edd\u5bf9\u7684\uff0c\u4f46\u5bf9\u4e8e\u591a\u4e3b\u8282\u70b9\u800c\u8a00\uff0c\u7531\u4e8e\u6ca1\u6709\u7edd\u5bf9\u987a\u5e8f\u7684\u4fdd\u8bc1\uff0c\u5c31\u53ea\u80fd\u8bd5\u56fe\u7528\u4e00\u4e9b\u65b9\u5f0f\u6765\u51b3\u7b56\u76f8\u5bf9\u987a\u5e8f\uff0c\u4f7f\u51b2\u7a81\u6700\u7ec8\u6536\u655b\uff0c\u8fd9\u91cc\u63d0\u5230\u4e86\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p>\u7ed9\u6bcf\u4e2a\u5199\u8bf7\u6c42\u5206\u914dUniq-ID\uff0c\u4f8b\u5982\u4e00\u4e2a\u65f6\u95f4\u6233\uff0c\u4e00\u4e2a\u968f\u673a\u6570\uff0c\u4e00\u4e2aUUID\u6216Hash\u503c\uff0c\u6700\u7ec8\u53d6\u6700\u9ad8\u7684ID\u4f5c\u4e3a\u6700\u65b0\u7684\u5199\u5165\u3002\u5982\u679c\u57fa\u4e8e\u65f6\u95f4\u6233\uff0c\u5219\u79f0\u4f5c\u6700\u540e\u5199\u5165\u8005\u83b7\u80dc\uff08LWW\uff09\uff0c\u8fd9\u79cd\u65b9\u5f0f\u770b\u4e0a\u53bb\u975e\u5e38\u76f4\u63a5\u4e14\u7b80\u5355\uff0c\u5e76\u4e14\u975e\u5e38\u6d41\u884c\u3002\u4f46\u5f88\u9057\u61be\uff0c\u6587\u7ae0\u4e00\u5f00\u59cb\u4e5f\u63d0\u5230\u4e86\uff0c\u5206\u5e03\u5f0f\u7cfb\u7edf\u6ca1\u6709\u529e\u6cd5\u5728\u673a\u5668\u95f4\u5171\u4eab\u4e00\u5957\u7edf\u4e00\u7684\u7cfb\u7edf\u65f6\u95f4\uff0c\u6240\u4ee5\u8fd9\u4e2a\u65b9\u6848\u5f88\u6709\u53ef\u80fd\u56e0\u4e3a\u8fd9\u4e2a\u95ee\u9898\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff08\u65f6\u949f\u6f02\u79fb\uff09\u3002<\/p>\n<p>\u6bcf\u4e2a\u526f\u672c\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684ID\uff0cID\u9ad8\u7684\u66f4\u65b0\u4f18\u5148\u7ea7\u9ad8\u4e8e\u5730\u57df\u4f4e\u7684\uff0c\u8fd9\u663e\u7136\u4e5f\u4f1a\u4e22\u5931\u6570\u636e\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u6211\u4eec\u53ef\u4ee5\u7528\u67d0\u79cd\u65b9\u5f0f\u505a\u62fc\u63a5\uff0c\u6216\u5229\u7528\u9884\u5148\u5b9a\u4e49\u7684\u683c\u5f0f\u4fdd\u7559\u51b2\u7a81\u76f8\u5173\u4fe1\u606f\uff0c\u7136\u540e\u7531\u7528\u6237\u81ea\u884c\u89e3\u51b3\u3002<\/p>\n<p><strong>3. \u7528\u6237\u81ea\u884c\u5904\u7406<\/strong><\/p>\n<p>\u5176\u5b9e\uff0c\u628a\u8fd9\u4e2a\u64cd\u4f5c\u76f4\u63a5\u4ea4\u7ed9\u7528\u6237\uff0c\u8ba9\u7528\u6237\u81ea\u5df1\u5728\u8bfb\u53d6\u6216\u5199\u5165\u524d\u8fdb\u884c\u51b2\u7a81\u89e3\u51b3\uff0c\u8fd9\u79cd\u4f8b\u5b50\u4e5f\u662f\u5c61\u89c1\u4e0d\u9c9c\uff0cGithub\u91c7\u7528\u5c31\u662f\u8fd9\u79cd\u65b9\u5f0f\u3002<\/p>\n<p>\u8fd9\u91cc\u53ea\u662f\u7b80\u5355\u4e3e\u4e86\u4e00\u4e9b\u51b2\u7a81\u7684\u4f8b\u5b50\uff0c\u5176\u5b9e\u51b2\u7a81\u7684\u5b9a\u4e49\u662f\u4e00\u4e2a\u5f88\u5fae\u5999\u7684\u6982\u5ff5\u3002\u300aDDIA\u300b\u7b2c\u4e03\u7ae0\u4ecb\u7ecd\u4e86\u66f4\u591a\u5173\u4e8e\u51b2\u7a81\u7684\u6982\u5ff5\uff0c\u611f\u5174\u8da3\u540c\u5b66\u53ef\u4ee5\u5148\u81ea\u884c\u9605\u8bfb\uff0c\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u63d0\u5230\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<h4>c.\u5904\u7406\u7ec6\u8282\u4ecb\u7ecd<\/h4>\n<p>\u6b64\u5916\uff0c\u5728\u4e66\u4e2d\u5c06\u8981\u7ed3\u675f\u300a\u590d\u5236\u300b\u8fd9\u4e00\u7ae0\u65f6\uff0c\u4e5f\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5982\u4f55\u8fdb\u884c\u51b2\u7a81\u7684\u5904\u7406\uff0c\u8fd9\u91cc\u4e5f\u7b80\u5355\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u601d\u8003\u4e00\u4e2a\u95ee\u9898\uff0c\u4e3a\u4ec0\u4e48\u4f1a\u53d1\u751f\u51b2\u7a81\uff1f\u901a\u8fc7\u9605\u8bfb\u5177\u4f53\u7684\u5904\u7406\u624b\u6bb5\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u8fd9\u6837\u7406\u89e3\uff0c\u6b63\u662f\u56e0\u4e3a\u6211\u4eec\u5bf9\u4e8b\u4ef6\u53d1\u751f\u7684\u5148\u540e\u987a\u5e8f\u4e0d\u786e\u5b9a\uff0c\u4f46\u8fd9\u4e9b\u4e8b\u4ef6\u7684\u5904\u7406\u4e3b\u4f53\u90fd\u6709\u91cd\u53e0\uff08\u6bd4\u5982\u90fd\u6709\u8bbe\u7f6e\u67d0\u4e2a\u6570\u636e\u7684\u503c\uff09\u3002\u901a\u8fc7\u6211\u4eec\u5bf9\u51b2\u7a81\u7684\u7406\u89e3\uff0c\u52a0\u4e0a\u6211\u4eec\u7684\u5e38\u8bc6\u63a8\u6d4b\uff0c\u4f1a\u6709\u8fd9\u6837\u51e0\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5e2e\u6211\u4eec\u6765\u5224\u65ad\u4e8b\u4ef6\u7684\u5148\u540e\u987a\u5e8f\u3002<\/p>\n<p><strong>1. \u76f4\u63a5\u6307\u5b9a\u4e8b\u4ef6\u987a\u5e8f<\/strong><\/p>\n<p>\u5bf9\u4e8e\u4e8b\u4ef6\u53d1\u751f\u7684\u5148\u540e\u987a\u5e8f\uff0c\u6211\u4eec\u4e00\u4e2a\u6700\u76f4\u89c2\u7684\u60f3\u6cd5\u5c31\u662f\uff0c\u4e24\u4e2a\u8bf7\u6c42\u8c01\u65b0\u8981\u8c01\u7684\uff0c\u90a3\u8fd9\u91cc\u5b9a\u4e49\u201c\u6700\u65b0\u201d\u662f\u4e2a\u95ee\u9898\uff0c\u4e00\u4e2a\u5f88\u7b80\u5355\u7684\u65b9\u5f0f\u662f\u4f7f\u7528\u65f6\u95f4\u6233\uff0c\u8fd9\u79cd\u7b97\u6cd5\u53eb\u505a\u6700\u540e\u5199\u5165\u8005\u83b7\u80dcLWW\u3002<\/p>\n<p>\u4f46\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u6ca1\u6709\u7edf\u4e00\u7684\u7cfb\u7edf\u65f6\u949f\uff0c\u4e0d\u540c\u673a\u5668\u4e0a\u7684\u65f6\u95f4\u6233\u65e0\u6cd5\u4fdd\u8bc1\u7cbe\u786e\u540c\u6b65\uff0c\u90a3\u5c31\u53ef\u80fd\u5b58\u5728\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\uff0c\u5e76\u4e14\u7531\u4e8e\u6570\u636e\u662f\u8986\u76d6\u5199\uff0c\u53ef\u80fd\u4e0d\u4f1a\u4fdd\u7559\u4e2d\u95f4\u503c\uff0c\u90a3\u4e48\u6700\u7ec8\u53ef\u80fd\u4e5f\u4e0d\u662f\u4e00\u81f4\u7684\u72b6\u6001\uff0c\u6216\u51fa\u73b0\u6570\u636e\u4e22\u5931\u3002\u5982\u679c\u662f\u4e00\u4e9b\u7f13\u5b58\u7cfb\u7edf\uff0c\u8986\u76d6\u5199\u770b\u4e0a\u53bb\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u8fd9\u79cd\u7b80\u5355\u7c97\u66b4\u7684\u7b97\u6cd5\u662f\u975e\u5e38\u597d\u7684\u6536\u655b\u51b2\u7a81\u7684\u65b9\u5f0f\uff0c\u4f46\u5982\u679c\u6211\u4eec\u5bf9\u6570\u636e\u4e00\u81f4\u6027\u8981\u6c42\u8f83\u9ad8\uff0c\u5219\u8fd9\u79cd\u65b9\u5f0f\u5c31\u4f1a\u5f15\u5165\u98ce\u9669\uff0c\u9664\u975e\u6570\u636e\u5199\u5165\u4e00\u6b21\u540e\u5c31\u4e0d\u4f1a\u53d1\u751f\u6539\u53d8\u3002<\/p>\n<p><strong>2. \u4ece\u4e8b\u4ef6\u672c\u8eab\u63a8\u65ad\u56e0\u679c\u5173\u7cfb\u548c\u5e76\u53d1<\/strong><\/p>\n<p>\u4e0a\u9762\u76f4\u63a5\u7b80\u5355\u7c97\u66b4\u7684\u5236\u5b9a\u5f88\u660e\u663e\u8fc7\u4e8e\u6b66\u65ad\uff0c\u90a3\u4e48\u6709\u6ca1\u6709\u53ef\u80fd\u65f6\u95f4\u91cc\u9762\u5c31\u5b58\u5728\u4e00\u4e9b\u56e0\u679c\u5173\u7cfb\u5462\uff0c\u5982\u679c\u6709\u6211\u4eec\u5f88\u663e\u7136\u53ef\u4ee5\u901a\u8fc7\u56e0\u679c\u5173\u7cfb\u77e5\u9053\u5230\u5e95\u9700\u8981\u600e\u6837\u7684\u987a\u5e8f\uff0c\u5982\u679c\u4e0d\u884c\u518d\u901a\u8fc7\u6307\u5b9a\u7684\u65b9\u5f0f\u5462\uff1f<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394559\" alt=\"\u56fe6 \u8fdd\u80cc\u56e0\u679c\u5173\u7cfb\u793a\u4f8b\" title=\"\u56fe6 \u8fdd\u80cc\u56e0\u679c\u5173\u7cfb\u793a\u4f8b\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u91cc\u662f\u4e66\u4e2d\u4e00\u4e2a\u591a\u4e3b\u8282\u70b9\u590d\u5236\u7684\u4f8b\u5b50\uff0c\u8fd9\u91ccClientA\u9996\u5148\u5411Leader1\u589e\u52a0\u4e00\u6761\u6570\u636ex=1\uff0c\u7136Leader1\u91c7\u7528\u5f02\u6b65\u590d\u5236\u7684\u65b9\u5f0f\uff0c\u5c06\u53d8\u66f4\u65e5\u5fd7\u53d1\u9001\u5230\u5176\u4ed6\u7684Leader\u4e0a\u3002\u5728\u590d\u5236\u8fc7\u7a0b\u4e2d\uff0cClientB\u5411Leader3\u53d1\u9001\u4e86\u66f4\u65b0\u8bf7\u6c42\uff0c\u5185\u5bb9\u5219\u662f\u66f4\u65b0Key\u4e3ax\u7684Value\uff0c\u4f7fValue=Value+1\u3002<\/p>\n<p>\u539f\u56fe\u4e2d\u60f3\u8868\u8fbe\u7684\u662f\uff0cupdate\u7684\u65e5\u5fd7\u53d1\u9001\u5230Leader2\u7684\u65f6\u95f4\u65e9\u4e8einsert\u65e5\u5fd7\u53d1\u9001\u5230Leader2\u7684\u65f6\u95f4\uff0c\u4f1a\u5bfc\u81f4\u66f4\u65b0\u7684Key\u4e0d\u5b58\u5728\u3002\u4f46\u662f\uff0c\u8fd9\u79cd\u6240\u8c13\u7684\u4e8b\u4ef6\u5173\u7cfb\u672c\u8eab\u5c31\u4e0d\u662f\u5b8c\u5168\u4e0d\u76f8\u5e72\u7684\uff0c\u4e66\u4e2d\u79f0\u8fd9\u79cd\u5173\u7cfb\u4e3a\u4f9d\u8d56\u6216\u8005Happens-before\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u80fd\u5728JVM\u7684\u5185\u5b58\u6a21\u578b\uff08JMM\uff09\u4e2d\u542c\u5230\u8fc7\u8fd9\u4e2a\u8bcd\uff0c\u5728JMM\u4e2d\uff0c\u8868\u8fbe\u7684\u4e5f\u662f\u591a\u4e2a\u7ebf\u7a0b\u64cd\u4f5c\u7684\u5148\u540e\u987a\u5e8f\u5173\u7cfb\u3002\u8fd9\u91cc\uff0c\u5982\u679c\u6211\u4eec\u628a\u7ebf\u7a0b\u6216\u8005\u8bf7\u6c42\u7406\u89e3\u4e3a\u5bf9\u6570\u636e\u7684\u64cd\u4f5c\uff08\u533a\u522b\u5728\u4e8e\u4e00\u4e2a\u662f\u5bf9\u672c\u5730\u5185\u5b58\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u662f\u5bf9\u8fdc\u7a0b\u7684\u67d0\u5904\u5185\u5b58\u8fdb\u884c\u4fee\u6539\uff09\uff0c\u7ebf\u7a0b\u6216\u5ba2\u6237\u7aef\u90fd\u662f\u4e00\u79cd\u6267\u884c\u8005\uff08\u533a\u522b\u5728\u4e8e\u662f\u5426\u9700\u8981\u4f7f\u7528\u7f51\u7edc\uff09\uff0c\u90a3\u8fd9\u4e24\u79cdHappens-before\u4e5f\u5c31\u53ef\u4ee5\u5728\u672c\u8d28\u4e0a\u8fdb\u884c\u7edf\u4e00\u4e86\uff0c\u90fd\u662f\u4e3a\u4e86\u63cf\u8ff0\u4e8b\u4ef6\u7684\u5148\u540e\u987a\u5e8f\u800c\u751f\u3002<\/p>\n<p>\u4e66\u4e2d\u7ed9\u51fa\u4e86\u68c0\u6d4b\u8fd9\u7c7b\u4e8b\u4ef6\u7684\u4e00\u79cd\u7b97\u6cd5\uff0c\u5e76\u4e3e\u4e86\u4e00\u4e2a\u8d2d\u7269\u8f66\u7684\u4f8b\u5b50\uff0c\u5982\u56fe\u6240\u793a\uff08\u4ee5\u9910\u5385\u626b\u7801\u70b9\u9910\u7684\u573a\u666f\u4e3a\u4f8b\uff09\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394560\" alt=\"\u56fe7 \u626b\u7801\u70b9\u9910\u793a\u4f8b\" title=\"\u56fe7 \u626b\u7801\u70b9\u9910\u793a\u4f8b\" loading=\"lazy\"><\/p>\n<p>\u56fe\u4e2d\u4e24\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u5411\u8d2d\u7269\u8f66\u91cc\u653e\u4e1c\u897f\uff0c\u4e8b\u4f8b\u4e2d\u7684\u6570\u636e\u5e93\u5047\u8bbe\u53ea\u6709\u4e00\u4e2a\u526f\u672c\u3002<\/p>\n<ol>\n<li>\u9996\u5148Client1\u5411\u8d2d\u7269\u8f66\u4e2d\u6dfb\u52a0\u725b\u5976\uff0c\u6b64\u65f6\u8d2d\u7269\u8f66\u4e3a\u7a7a\uff0c\u8fd4\u56de\u7248\u672c1\uff0cValue\u4e3a[\u725b\u5976]\u3002<\/li>\n<li>\u6b64\u65f6Client2\u5411\u5176\u4e2d\u6dfb\u52a0\u9e21\u86cb\uff0c\u5176\u5e76\u4e0d\u77e5\u9053Client1\u6dfb\u52a0\u4e86\u725b\u5976\uff0c\u4f46\u670d\u52a1\u5668\u53ef\u4ee5\u77e5\u9053\uff0c\u56e0\u6b64\u5206\u914d\u7248\u672c\u53f7\u4e3a2\uff0c\u5e76\u4e14\u5c06\u9e21\u86cb\u548c\u725b\u5976\u5b58\u6210\u4e24\u4e2a\u5355\u72ec\u7684\u503c\uff0c\u6700\u540e\u5c06\u4e24\u4e2a\u503c\u548c\u7248\u672c\u53f72\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u6b64\u65f6\u670d\u52a1\u7aef\u5b58\u50a8\u4e86[\u9e21\u86cb] 2 [\u725b\u5976]1\u3002<\/li>\n<li>\u540c\u7406\uff0cClient1\u6dfb\u52a0\u9762\u7c89\uff0c\u8fd9\u65f6\u5019Client1\u53ea\u8ba4\u4e3a\u6dfb\u52a0\u4e86[\u725b\u5976]\uff0c\u56e0\u6b64\u5c06\u9762\u7c89\u4e0e\u725b\u5976\u5408\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u7aef[\u725b\u5976\uff0c\u9762\u7c89]\uff0c\u540c\u65f6\u8fd8\u9644\u5e26\u4e86\u4e4b\u524d\u6536\u5230\u7684\u7248\u672c\u53f71\uff0c\u6b64\u65f6\u670d\u52a1\u7aef\u77e5\u9053\uff0c\u65b0\u503c[\u725b\u5976\uff0c\u9762\u7c89]\u53ef\u4ee5\u66ff\u6362\u540c\u4e00\u4e2a\u7248\u672c\u53f7\u4e2d\u7684\u65e7\u503c[\u725b\u5976]\uff0c\u4f46[\u9e21\u86cb]\u662f\u5e76\u53d1\u4e8b\u4ef6\uff0c\u5206\u914d\u7248\u672c\u53f73\uff0c\u8fd4\u56de\u503c[\u725b\u5976\uff0c\u9762\u7c89] 3 [\u9e21\u86cb]2\u3002<\/li>\n<li>\u540c\u7406\uff0cClient2\u5411\u8d2d\u7269\u8f66\u6dfb\u52a0[\u706b\u817f]\uff0c\u4f46\u5728\u4e4b\u524d\u7684\u8bf7\u6c42\u4e2d\uff0c\u8fd4\u56de\u4e86\u9e21\u86cb\uff0c\u56e0\u6b64\u548c\u706b\u817f\u5408\u5e76\u53d1\u9001\u7ed9\u670d\u52a1\u7aef[\u9e21\u86cb\uff0c\u725b\u5976\uff0c\u706b\u817f]\uff0c\u540c\u65f6\u9644\u5e26\u4e86\u7248\u672c\u53f72\uff0c\u670d\u52a1\u7aef\u76f4\u63a5\u5c06\u65b0\u503c\u8986\u76d6\u4e4b\u524d\u7248\u672c2\u7684\u503c[\u9e21\u86cb]\uff0c\u4f46[\u725b\u5976\uff0c\u9762\u7c89]\u662f\u5e76\u53d1\u4e8b\u4ef6\uff0c\u56e0\u6b64\u5b58\u50a8\u503c\u4e3a[\u725b\u5976\uff0c\u9762\u7c89] 3 [\u9e21\u86cb\uff0c\u725b\u5976\uff0c\u706b\u817f] 4\u5e76\u5206\u914d\u7248\u672c\u53f74\u3002<\/li>\n<li>\u6700\u540e\u4e00\u6b21Client\u6dfb\u52a0\u57f9\u6839\uff0c\u901a\u8fc7\u4e4b\u524d\u8fd4\u56de\u7684\u503c\u91cc\uff0c\u77e5\u9053\u6709[\u725b\u5976\uff0c\u9762\u7c89\uff0c\u9e21\u86cb]\uff0cClient\u5c06\u503c\u5408\u5e76[\u725b\u5976\uff0c\u9762\u7c89\uff0c\u9e21\u86cb\uff0c\u57f9\u6839]\u8054\u901a\u4e4b\u524d\u7684\u7248\u672c\u53f7\u4e00\u8d77\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\uff0c\u670d\u52a1\u7aef\u5224\u65ad[\u725b\u5976\uff0c\u9762\u7c89\uff0c\u9e21\u86cb\uff0c\u57f9\u6839]\u53ef\u4ee5\u8986\u76d6\u4e4b\u524d\u7684[\u725b\u5976\uff0c\u9762\u7c89]\u4f46[\u9e21\u86cb\uff0c\u725b\u5976\uff0c\u706b\u817f]\u662f\u5e76\u53d1\u503c\uff0c\u52a0\u4ee5\u4fdd\u7559\u3002<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c\u6211\u4eec\u770b\u5230\u4e86\u4e00\u4e2a\u6839\u636e\u4e8b\u4ef6\u672c\u8eab\u8fdb\u884c\u56e0\u679c\u5173\u7cfb\u7684\u786e\u5b9a\u3002\u4e66\u4e2d\u7ed9\u51fa\u4e86\u8fdb\u4e00\u6b65\u7684\u62bd\u8c61\u6d41\u7a0b\uff1a<\/p>\n<ul>\n<li>\u670d\u52a1\u7aef\u4e3a\u6bcf\u4e2a\u4e3b\u952e\u7ef4\u62a4\u4e00\u4e2a\u7248\u672c\u53f7\uff0c\u6bcf\u5f53\u4e3b\u952e\u65b0\u503c\u5199\u5165\u65f6\u9012\u589e\u7248\u672c\u53f7\uff0c\u5e76\u5c06\u65b0\u7248\u672c\u53f7\u548c\u5199\u5165\u503c\u4e00\u8d77\u4fdd\u5b58\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u5199\u4e3b\u952e\uff0c\u5199\u8bf7\u6c42\u6bd4\u5305\u542b\u4e4b\u524d\u8bfb\u5230\u7684\u7248\u672c\u53f7\uff0c\u53d1\u9001\u7684\u503c\u4e3a\u4e4b\u524d\u8bf7\u6c42\u8bfb\u5230\u7684\u503c\u548c\u65b0\u503c\u7684\u7ec4\u5408\uff0c\u5199\u8bf7\u6c42\u7684\u76f8\u5e94\u4e5f\u4f1a\u8fd4\u56de\u5bf9\u5f53\u524d\u6240\u6709\u7684\u503c\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4e00\u6b65\u6b65\u8fdb\u884c\u62fc\u63a5\u3002<\/li>\n<li>\u5f53\u670d\u52a1\u5668\u6536\u5230\u6709\u7279\u5b9a\u7248\u672c\u53f7\u7684\u5199\u5165\u65f6\uff0c\u8986\u76d6\u8be5\u7248\u672c\u53f7\u6216\u66f4\u4f4e\u7248\u672c\u53f7\u7684\u6240\u6709\u503c\uff0c\u4fdd\u7559\u9ad8\u4e8e\u8bf7\u6c42\u4e2d\u7248\u672c\u53f7\u7684\u65b0\u503c\uff08\u4e0e\u5f53\u524d\u5199\u64cd\u4f5c\u5c5e\u4e8e\u5e76\u53d1\uff09\u3002<\/li>\n<\/ul>\n<p>\u6709\u4e86\u8fd9\u5957\u7b97\u6cd5\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u68c0\u6d4b\u51fa\u4e8b\u4ef6\u4e2d\u6709\u56e0\u679c\u5173\u7cfb\u7684\u4e8b\u4ef6\u4e0e\u5e76\u53d1\u7684\u4e8b\u4ef6\uff0c\u800c\u5bf9\u4e8e\u5e76\u53d1\u7684\u4e8b\u4ef6\uff0c\u4ecd\u7136\u50cf\u4e0a\u6587\u63d0\u5230\u7684\u90a3\u6837\uff0c\u9700\u8981\u4f9d\u636e\u4e00\u5b9a\u7684\u539f\u5219\u8fdb\u884c\u5408\u5e76\uff0c\u5982\u679c\u4f7f\u7528LWW\uff0c\u4f9d\u7136\u53ef\u80fd\u5b58\u5728\u6570\u636e\u4e22\u5931\u7684\u60c5\u51b5\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5728\u670d\u52a1\u7aef\u7a0b\u5e8f\u7684\u5408\u5e76\u903b\u8f91\u4e2d\u9700\u8981\u989d\u5916\u505a\u4e9b\u4e8b\u60c5\u3002<\/p>\n<p>\u5728\u8d2d\u7269\u8f66\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bd4\u8f83\u5408\u7406\u7684\u662f\u5408\u5e76\u65b0\u503c\u548c\u65e7\u503c\uff0c\u5373\u6700\u540e\u7684\u503c\u662f[\u725b\u5976\uff0c\u9e21\u86cb\uff0c\u9762\u7c89\uff0c\u706b\u817f\uff0c\u57f9\u6839]\uff0c\u4f46\u8fd9\u6837\u4e5f\u4f1a\u5bfc\u81f4\u4e00\u4e2a\u95ee\u9898\uff0c\u5047\u8bbe\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u6237\u5220\u9664\u4e86\u4e00\u9879\u5546\u54c1\uff0c\u4f46\u662funion\u5b8c\u8fd8\u662f\u4f1a\u51fa\u73b0\u5728\u6700\u7ec8\u7684\u7ed3\u679c\u4e2d\uff0c\u8fd9\u663e\u7136\u4e0d\u7b26\u5408\u9884\u671f\u3002\u56e0\u6b64\u53ef\u4ee5\u7528\u4e00\u4e2a\u7c7b\u4f3c\u7684\u6807\u8bb0\u4f4d\uff0c\u6807\u8bb0\u8bb0\u5f55\u7684\u5220\u9664\uff0c\u8fd9\u6837\u5728\u5408\u5e76\u65f6\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u5546\u54c1\u8e22\u51fa\uff0c\u8fd9\u4e2a\u6807\u8bb0\u5728\u4e66\u4e2d\u88ab\u79f0\u4e3a\u5893\u7891\uff08Tombstone\uff09\u3002<\/p>\n<h3>2.3 \u65e0\u4e3b\u8282\u70b9\u590d\u5236<\/h3>\n<p>\u4e4b\u524d\u4ecb\u7ecd\u7684\u590d\u5236\u6a21\u5f0f\u90fd\u662f\u5b58\u5728\u660e\u786e\u7684\u4e3b\u8282\u70b9\uff0c\u4ece\u8282\u70b9\u7684\u89d2\u8272\u5212\u5206\u7684\uff0c\u4e3b\u8282\u70b9\u9700\u8981\u5c06\u6570\u636e\u590d\u5236\u5230\u4ece\u8282\u70b9\uff0c\u6240\u6709\u5199\u5165\u7684\u987a\u5e8f\u7531\u4e3b\u8282\u70b9\u63a7\u5236\u3002\u4f46\u6709\u4e9b\u7cfb\u7edf\u5e72\u8106\u653e\u5f03\u4e86\u8fd9\u4e2a\u601d\u8def\uff0c\u53bb\u6389\u4e86\u4e3b\u8282\u70b9\uff0c\u4efb\u4f55\u526f\u672c\u90fd\u80fd\u76f4\u63a5\u63a5\u53d7\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u5199\u8bf7\u6c42\uff0c\u6216\u8005\u518d\u6709\u4e00\u4e9b\u7cfb\u7edf\u4e2d\uff0c\u4f1a\u7ed9\u5230\u4e00\u4e2a\u534f\u8c03\u8005\u4ee3\u8868\u5ba2\u6237\u7aef\u8fdb\u884c\u5199\u5165\uff08\u4ee5Group Commit\u4e3a\u4f8b\uff0c\u7531\u4e00\u4e2a\u7ebf\u7a0b\u79ef\u6512\u6240\u6709\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u7edf\u4e00\u53d1\u9001\uff09\uff0c\u4e0e\u591a\u4e3b\u6a21\u5f0f\u4e0d\u540c\uff0c\u534f\u8c03\u8005\u4e0d\u8d1f\u8d23\u63a7\u5236\u5199\u5165\u987a\u5e8f\uff0c\u8fd9\u4e2a\u9650\u5236\u7684\u4e0d\u540c\u4f1a\u76f4\u63a5\u5f71\u54cd\u7cfb\u7edf\u7684\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n<h3>\u5904\u7406\u8282\u70b9\u5931\u6548<\/h3>\n<p>\u5047\u8bbe\u4e00\u4e2a\u6570\u636e\u7cfb\u7edf\u62e5\u6709\u4e09\u4e2a\u526f\u672c\uff0c\u5f53\u5176\u4e2d\u4e00\u4e2a\u526f\u672c\u4e0d\u53ef\u7528\u65f6\uff0c\u5728\u4e3b\u4ece\u6a21\u5f0f\u4e2d\uff0c\u5982\u679c\u6070\u597d\u662f\u4e3b\u8282\u70b9\uff0c\u5219\u9700\u8981\u8fdb\u884c\u8282\u70b9\u5207\u6362\u624d\u80fd\u7ee7\u7eed\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\uff0c\u4f46\u5728\u65e0\u4e3b\u6a21\u5f0f\u4e0b\uff0c\u5e76\u4e0d\u5b58\u5728\u8fd9\u4e00\u6b65\u9aa4\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394561\" alt=\"\u56fe8 Quorum\u5199\u5165\u5904\u7406\u8282\u70b9\u5931\u6548\" title=\"\u56fe8 Quorum\u5199\u5165\u5904\u7406\u8282\u70b9\u5931\u6548\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u91cc\u7684Replica3\u5728\u67d0\u4e00\u65f6\u523b\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\uff0c\u6b64\u65f6\u7528\u6237\u53ef\u4ee5\u6536\u5230\u4e24\u4e2aReplica\u7684\u5199\u5165\u6210\u529f\u7684\u786e\u8ba4\uff0c\u5373\u53ef\u8ba4\u4e3a\u5199\u5165\u6210\u529f\uff0c\u800c\u5b8c\u5168\u53ef\u4ee5\u5ffd\u7565\u90a3\u4e2a\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\u7684\u526f\u672c\u3002\u5f53\u5931\u6548\u7684\u8282\u70b9\u6062\u590d\u65f6\uff0c\u4f1a\u91cd\u65b0\u63d0\u4f9b\u8bfb\u5199\u670d\u52a1\uff0c\u6b64\u65f6\u5982\u679c\u5ba2\u6237\u7aef\u5411\u8fd9\u4e2a\u526f\u672c\u8bfb\u53d6\u6570\u636e\uff0c\u5c31\u4f1a\u8bf7\u6c42\u5230\u8fc7\u671f\u503c\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u8fd9\u91cc\u5ba2\u6237\u7aef\u5c31\u4e0d\u662f\u7b80\u5355\u5411\u4e00\u4e2a\u8282\u70b9\u8bf7\u6c42\u6570\u636e\u4e86\uff0c\u800c\u662f\u5411\u6240\u6709\u4e09\u4e2a\u526f\u672c\u8bf7\u6c42\uff0c\u8fd9\u65f6\u53ef\u80fd\u4f1a\u6536\u5230\u4e0d\u540c\u7684\u54cd\u5e94\uff0c\u8fd9\u65f6\u53ef\u4ee5\u901a\u8fc7\u7c7b\u4f3c\u7248\u672c\u53f7\u6765\u533a\u5206\u6570\u636e\u7684\u65b0\u65e7\uff08\u7c7b\u4f3c\u4e0a\u6587\u4e2d\u5e76\u53d1\u5199\u5165\u7684\u68c0\u6d4b\u65b9\u5f0f\uff09\u3002\u8fd9\u91cc\u53ef\u80fd\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u526f\u672c\u6062\u590d\u4e4b\u540e\u96be\u9053\u5c31\u4e00\u76f4\u8ba9\u81ea\u5df1\u843d\u540e\u4e8e\u5176\u4ed6\u526f\u672c\u5417\uff1f\u8fd9\u80af\u5b9a\u4e0d\u884c\uff0c\u8fd9\u4f1a\u6253\u7834\u4e00\u81f4\u6027\u7684\u8bed\u4e49\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u673a\u5236\u3002\u6709\u4e24\u79cd\u601d\u8def\uff1a<\/p>\n<ol>\n<li>\u5ba2\u6237\u7aef\u8bfb\u53d6\u65f6\u5bf9\u526f\u672c\u505a\u4fee\u590d\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u901a\u8fc7\u5e76\u884c\u8bfb\u53d6\u591a\u4e2a\u526f\u672c\u65f6\uff0c\u8bfb\u5230\u4e86\u8fc7\u671f\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5199\u5165\u5230\u65e7\u526f\u672c\u4e2d\uff0c\u4ee5\u4fbf\u8ffd\u8d76\u4e0a\u65b0\u526f\u672c\u3002<\/li>\n<li>\u53cd\u71b5\u67e5\u8be2\uff0c\u4e00\u4e9b\u7cfb\u7edf\u5728\u526f\u672c\u542f\u52a8\u540e\uff0c\u540e\u53f0\u4f1a\u4e0d\u65ad\u67e5\u627e\u526f\u672c\u4e4b\u95f4\u7684\u6570\u636ediff\uff0c\u5c06diff\u5199\u5230\u81ea\u5df1\u7684\u526f\u672c\u4e2d\uff0c\u4e0e\u4e3b\u4ece\u590d\u5236\u6a21\u5f0f\u4e0d\u540c\u7684\u662f\uff0c\u6b64\u8fc7\u7a0b\u4e0d\u4fdd\u8bc1\u5199\u5165\u7684\u987a\u5e8f\uff0c\u5e76\u53ef\u80fd\u5f15\u53d1\u660e\u663e\u7684\u590d\u5236\u6ede\u540e\u3002<\/li>\n<\/ol>\n<h3>\u8bfb\u5199Quorum<\/h3>\n<p>\u4e0a\u6587\u4e2d\u7684\u5b9e\u4f8b\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u8fd9\u79cd\u590d\u5236\u6a21\u5f0f\u4e0b\uff0c\u8981\u60f3\u4fdd\u8bc1\u8bfb\u5230\u7684\u662f\u5199\u5165\u7684\u65b0\u503c\uff0c\u6bcf\u6b21\u53ea\u4ece\u4e00\u4e2a\u526f\u672c\u8bfb\u53d6\u663e\u7136\u662f\u6709\u95ee\u9898\u7684\uff0c\u90a3\u4e48\u9700\u8981\u6bcf\u6b21\u5199\u51e0\u4e2a\u526f\u672c\u5462\uff0c\u53c8\u9700\u8981\u8bfb\u53d6\u51e0\u4e2a\u526f\u672c\u5462\uff1f\u8fd9\u91cc\u7684\u4e00\u4e2a\u6838\u5fc3\u70b9\u5c31\u662f\u8ba9\u5199\u5165\u7684\u526f\u672c\u548c\u8bfb\u53d6\u7684\u526f\u672c\u6709\u4ea4\u96c6\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u80fd\u591f\u4fdd\u8bc1\u8bfb\u5230\u65b0\u503c\u4e86\u3002<\/p>\n<p>\u76f4\u63a5\u4e0a\u516c\u5f0f\uff1a$w+r&gt;N$ \u3002\u5176\u4e2dN\u4e3a\u526f\u672c\u7684\u6570\u91cf\uff0cw\u4e3a\u6bcf\u6b21\u5e76\u884c\u5199\u5165\u7684\u8282\u70b9\u6570\uff0cr\u4e3a\u6bcf\u6b21\u540c\u65f6\u8bfb\u53d6\u7684\u8282\u70b9\u6570\uff0c\u8fd9\u4e2a\u516c\u5f0f\u975e\u5e38\u5bb9\u6613\u7406\u89e3\uff0c\u5c31\u4e0d\u505a\u8fc7\u591a\u8d58\u8ff0\u3002\u4e0d\u8fc7\u8fd9\u91cc\u7684\u516c\u5f0f\u867d\u7136\u770b\u7740\u6bd4\u8f83\u76f4\u767d\u4e5f\u7b80\u5355\uff0c\u91cc\u9762\u5374\u8574\u542b\u4e86\u4e00\u4e9b\u7cfb\u7edf\u8bbe\u8ba1\u601d\u8003\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc186I\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><\/p>\n<h3>Quorum\u4e00\u81f4\u6027\u7684\u5c40\u9650\u6027<\/h3>\n<p>\u770b\u4e0a\u53bb\u8fd9\u4e2a\u7b80\u5355\u7684\u516c\u5f0f\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5f88\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u4f46\u8fd9\u91cc\u6709\u4e00\u4e9b\u95ee\u9898\u503c\u5f97\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u9996\u5148\uff0cQuorum\u5e76\u4e0d\u662f\u4e00\u5b9a\u8981\u6c42\u591a\u6570\uff0c\u91cd\u8981\u7684\u662f\u8bfb\u53d6\u7684\u526f\u672c\u548c\u5199\u5165\u526f\u672c\u6709\u91cd\u5408\u5373\u53ef\uff0c\u53ef\u4ee5\u6309\u7167\u8bfb\u5199\u7684\u53ef\u7528\u6027\u8981\u6c42\u914c\u60c5\u8003\u8651\u914d\u7f6e\u3002<\/li>\n<li>\u53e6\u5916\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u6ca1\u6709\u5f88\u5f3a\u4e00\u81f4\u6027\u8981\u6c42\u7684\u7cfb\u7edf\uff0c\u53ef\u4ee5\u914d\u7f6ew+r &lt;= N\uff0c\u8fd9\u6837\u53ef\u4ee5\u7b49\u5f85\u66f4\u5c11\u7684\u8282\u70b9\u5373\u53ef\u8fd4\u56de\uff0c\u8fd9\u6837\u867d\u7136\u6709\u53ef\u80fd\u8bfb\u53d6\u5230\u4e00\u4e2a\u65e7\u503c\uff0c\u4f46\u8fd9\u79cd\u914d\u7f6e\u53ef\u4ee5\u5f88\u5927\u63d0\u5347\u7cfb\u7edf\u7684\u53ef\u7528\u6027\uff0c\u5f53\u7f51\u7edc\u5927\u89c4\u6a21\u6545\u969c\u65f6\u66f4\u6709\u6982\u7387\u8ba9\u7cfb\u7edf\u7ee7\u7eed\u8fd0\u884c\u800c\u4e0d\u662f\u7531\u4e8e\u6ca1\u6709\u8fbe\u5230Quorum\u9650\u5236\u800c\u8fd4\u56de\u9519\u8bef\u3002<\/li>\n<li>\n<p>\u5047\u8bbe\u5728w+r&gt;N\u7684\u60c5\u51b5\u4e0b\uff0c\u5b9e\u9645\u4e0a\u4e5f\u5b58\u5728\u8fb9\u754c\u95ee\u9898\u5bfc\u81f4\u4e00\u4e9b\u4e00\u81f4\u6027\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u9996\u5148\u5047\u8bbe\u662fSloppy Quorum\uff08\u4e00\u4e2a\u66f4\u4e3a\u5bbd\u677e\u7684Quorum\u7b97\u6cd5\uff09\uff0c\u5199\u5165\u7684w\u548c\u8bfb\u53d6\u7684r\u53ef\u80fd\u5b8c\u5168\u4e0d\u76f8\u4ea4\uff0c\u56e0\u6b64\u4e0d\u80fd\u4fdd\u8bc1\u6570\u636e\u4e00\u5b9a\u662f\u65b0\u7684\u3002<\/li>\n<li>\u5982\u679c\u4e24\u4e2a\u5199\u64cd\u4f5c\u540c\u65f6\u53d1\u751f\uff0c\u90a3\u4e48\u8fd8\u662f\u5b58\u5728\u51b2\u7a81\uff0c\u5728\u5408\u5e76\u65f6\uff0c\u5982\u679c\u57fa\u4e8eLWW\uff0c\u4ecd\u7136\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u3002<\/li>\n<li>\u5982\u679c\u5199\u8bfb\u540c\u65f6\u53d1\u751f\uff0c\u4e5f\u4e0d\u80fd\u4fdd\u8bc1\u8bfb\u8bf7\u6c42\u4e00\u5b9a\u5c31\u80fd\u53d6\u5230\u65b0\u503c\uff0c\u56e0\u4e3a\u590d\u5236\u5177\u6709\u6ede\u540e\u6027\uff08\u4e0a\u6587\u7684\u590d\u5236\u7a97\u53e3\uff09\u3002<\/li>\n<li>\u5982\u679c\u67d0\u4e9b\u526f\u672c\u5199\u5165\u6210\u529f\uff0c\u5176\u4ed6\u526f\u672c\u5199\u5165\u5931\u8d25\uff08\u78c1\u76d8\u7a7a\u95f4\u6ee1\uff09\u4e14\u603b\u7684\u6210\u529f\u6570\u5c11\u4e8ew\uff0c\u90a3\u4e9b\u6210\u529f\u7684\u526f\u672c\u6570\u636e\u5e76\u4e0d\u4f1a\u56de\u6eda\uff0c\u8fd9\u610f\u5473\u7740\u53ca\u65f6\u5199\u5165\u5931\u8d25\uff0c\u540e\u7eed\u8fd8\u662f\u53ef\u80fd\u8bfb\u5230\u65b0\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u867d\u7136\uff0c\u770b\u4e0a\u53bbQuorum\u590d\u5236\u6a21\u5f0f\u53ef\u4ee5\u4fdd\u8bc1\u83b7\u53d6\u5230\u65b0\u503c\uff0c\u4f46\u5b9e\u9645\u60c5\u51b5\u5e76\u4e0d\u662f\u6211\u4eec\u60f3\u8c61\u7684\u6837\u5b50\uff0c\u8fd9\u4e2a\u534f\u8bae\u5230\u6700\u540e\u53ef\u80fd\u4e5f\u53ea\u80fd\u8fbe\u5230\u4e00\u4e2a\u6700\u7ec8\u7684\u4e00\u81f4\u6027\uff0c\u5e76\u4e14\u4f9d\u7136\u9700\u8981\u5171\u8bc6\u7b97\u6cd5\u7684\u52a0\u6301\u3002<\/p>\n<h3>2.4 \u672c\u7ae0\u5c0f\u7ed3<\/h3>\n<p>\u4ee5\u4e0a\u6211\u4eec\u4ecb\u7ecd\u4e86\u6240\u6709\u5e38\u89c1\u7684\u590d\u5236\u6a21\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u6bcf\u79cd\u6a21\u5f0f\u90fd\u6709\u4e00\u5b9a\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u7f3a\u70b9\uff0c\u4f46\u662f\u5f88\u660e\u663e\uff0c\u5149\u6709\u590d\u5236\u6a21\u5f0f\u8fdc\u8fdc\u8fbe\u4e0d\u5230\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u56e0\u4e3a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u62e5\u6709\u592a\u591a\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u9700\u8981\u540e\u9762\u5404\u79cd\u4e8b\u52a1\u3001\u5171\u8bc6\u7b97\u6cd5\u7684\u5e2e\u5fd9\u624d\u80fd\u53bb\u771f\u6b63\u5bf9\u6297\u90a3\u4e9b\u201c\u7a00\u5947\u53e4\u602a\u201d\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u53ef\u80fd\u4f1a\u6709\u540c\u5b66\u5c31\u4f1a\u95ee\uff0c\u5230\u5e95\u90fd\u662f\u4e9b\u4ec0\u4e48\u7a00\u5947\u53e4\u602a\u7684\u95ee\u9898\u5462\uff1f\u76f8\u6bd4\u5355\u673a\u7cfb\u7edf\u53c8\u6709\u90a3\u4e9b\u72ec\u7279\u7684\u95ee\u9898\u5462\uff1f\u4e0b\u9762\u672c\u6587\u5148\u6765\u4ecb\u7ecd\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u51e0\u4e2a\u6700\u5178\u578b\u7684\u6311\u6218\uff08Trouble\uff09\uff0c\u8ba9\u4e00\u4e9b\u540c\u5b66\u5c0f\u5c0f\u5730\u201c\u7edd\u671b\u201d\u4e00\u4e0b\uff0c\u7136\u540e\u6211\u4eec\u4f1a\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\u518d\u63ed\u6653\u7b54\u6848\u3002<\/p>\n<h2>3. \u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u6311\u6218<\/h2>\n<p>\u8fd9\u90e8\u5206\u5b58\u5728\u7684\u610f\u4e49\u4e3b\u8981\u60f3\u8ba9\u5927\u5bb6\u7406\u89e3\uff0c\u4e3a\u4ec0\u4e48\u4e00\u4e9b\u770b\u4f3c\u7b80\u5355\u7684\u95ee\u9898\u5230\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5c31\u4f1a\u53d8\u5f97\u5f02\u5e38\u590d\u6742\u3002\u987a\u4fbf\u8bf4\u4e00\u58f0\uff0c\u8fd9\u4e00\u7ae0\u90fd\u662f\u4e00\u4e9b\u201c\u5947\u8469\u201d\u73b0\u8c61\uff0c\u5e76\u6ca1\u6709\u8fc7\u4e8e\u590d\u6742\u7684\u63a8\u7406\u548c\u8bc1\u660e\uff0c\u5e0c\u671b\u5927\u5bb6\u80fd\u591f\u8f83\u4e3a\u8f7b\u677e\u6109\u60a6\u5730\u770b\u5b8c\u8fd9\u4e9b\u5185\u5bb9\u3002<\/p>\n<h3>3.1 \u90e8\u5206\u5931\u6548<\/h3>\n<p>\u8fd9\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7279\u6709\u7684\u4e00\u4e2a\u540d\u8bcd\uff0c\u8fd9\u91cc\u5148\u770b\u4e00\u4e2a\u73b0\u5b9e\u5f53\u4e2d\u7684\u4f8b\u5b50\u3002\u5047\u8bbe\u8001\u677f\u60f3\u8981\u5904\u7406\u4e00\u6279\u6587\u4ef6\uff0c\u5982\u679c\u8ba9\u4e00\u4e2a\u4eba\u505a\uff0c\u9700\u8981\u5341\u5929\u3002\u4f46\u8001\u677f\u89c9\u5f97\u6709\u70b9\u6162\uff0c\u4e8e\u662f\u4ed6\u7075\u673a\u4e00\u52a8\uff0c\u60f3\u5230\u53ef\u4ee5\u627e\u5341\u4e2a\u4eba\u6765\u641e\u5b9a\u8fd9\u4ef6\u4e8b\uff0c\u7136\u540e\u81ea\u5df1\u628a\u5de5\u4f5c\u5b89\u6392\u597d\uff0c\u8ba4\u4e3a\u8fd9\u5341\u4e2a\u4eba\u4e00\u5929\u6b63\u597d\u5e72\u5b8c\uff0c\u4e8e\u662f\u5411\u4ed6\u7684\u4e0a\u7ea7\u4fe1\u8a93\u65e6\u65e6\u5730\u627f\u8bfa\u4e00\u5929\u641e\u5b9a\u8fd9\u4ef6\u4e8b\u3002\u4ed6\u628a\u8fd9\u5341\u4e2a\u4eba\u53eb\u8fc7\u6765\uff0c\u628a\u4efb\u52a1\u5206\u914d\u7ed9\u4e86\u4ed6\u4eec\uff0c\u4ed6\u4eec\u5f7c\u6b64\u5efa\u4e86\u4e2a\u5fae\u4fe1\u7fa4\uff0c\u7ea6\u5b9a\u6bcf\u4e2a\u5c0f\u65f6\u5728\u7fa4\u91cc\u6c47\u62a5\u81ea\u5df1\u624b\u4e0a\u7684\u5de5\u4f5c\u8fdb\u5ea6\uff0c\u5e76\u5f3a\u8c03\u5728\u665a\u4e0a5\u70b9\u524d\u9700\u8981\u901a\u8fc7\u90ae\u4ef6\u63d0\u4ea4\u6700\u540e\u7684\u7ed3\u679c\u3002\u4e8e\u662f\u8001\u7248\u5c31\u53bb\u6109\u5feb\u7684\u559d\u8336\u53bb\u4e86\uff0c\u4f46\u662f\u73b0\u5b9e\u5374\u8ba9\u4ed6\u5927\u8dcc\u773c\u955c\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6709\u4e2a\u540c\u5b66\u5bb6\u91cc\u4fe1\u53f7\u7279\u522b\u5dee\uff0c\u62a5\u544a\u8fdb\u5ea6\u7684\u65f6\u5019\u53ea\u6210\u529f\u62a5\u544a\u4e863\u4e2a\u5c0f\u65f6\u7684\uff0c\u7136\u540e\u8001\u677f\u5728\u5fae\u4fe1\u91cc\u95ee\uff0c\u4e5f\u6536\u4e0d\u5230\u4efb\u4f55\u56de\u590d\uff0c\u6700\u540e\u7ed3\u679c\u4e5f\u6ca1\u6cd5\u63d0\u4ea4\u3002\u53e6\u4e00\u4e2a\u540c\u5b66\u5bb6\u7684\u8868\u7531\u4e8e\u957f\u671f\u6ca1\u6362\u7535\u6c60\uff0c\u505c\u5728\u4e86\u4e0b\u5348\u56db\u70b9\uff0c\u7ed3\u679c\u90a3\u4eba\u770b\u4e86\u4e24\u6b21\u8868\u90fd\u662f\u56db\u70b9\uff0c\u6240\u4ee5\u4e00\u70b9\u90fd\u6ca1\u7740\u6025\uff0c\u4e2d\u95f4\u8fd8\u770b\u4e86\u4e2a\u7535\u5f71\uff0c\u6162\u6162\u60a0\u60a0\u505a\u5b8c\u4ea4\u4e0a\u53bb\u4e86\uff0c\u4ed6\u8fd8\u4ee5\u4e3a\u8001\u677f\u4f1a\u8868\u626c\u4ed6\uff0c\u63d0\u524d\u4e86\u4e00\u5c0f\u65f6\u4ea4\uff0c\u7ed3\u679c\u5b9e\u9645\u4e0a\u5df2\u7ecf\u662f\u665a\u4e0a\u516b\u70b9\u4e86\u3002\u8fd8\u6709\u4e00\u4e2a\u540c\u5b66\u56e0\u4e3a\u524d\u4e00\u5929\u6ca1\u7761\u597d\uff0c\u6548\u7387\u6781\u4f4e\uff0c\u800c\u4e14\u4e5f\u6ca1\u529e\u6cd5\u518d\u53bb\u9ad8\u5f3a\u5ea6\u7684\u5de5\u4f5c\u4e86\u3002\u7ed3\u679c\u5230\u4e86\u665a\u4e0a5\u70b9\uff0c\u53ea\u67097\u4e2a\u4eba\u5b8c\u6210\u4e86\u81ea\u5df1\u624b\u5934\u4e0a\u7684\u5de5\u4f5c\u3002<\/p>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u53ef\u80fd\u770b\u8d77\u6765\u5e76\u4e0d\u662f\u975e\u5e38\u6070\u5f53\uff0c\u4f46\u57fa\u672c\u53ef\u4ee5\u63cf\u8ff0\u5206\u5e03\u5f0f\u7cfb\u7edf\u7279\u6709\u7684\u95ee\u9898\u4e86\u3002\u5728\u5206\u5e03\u5f0f\u7684\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u4f1a\u9047\u5230\u5404\u79cd\u201c\u7a00\u5947\u53e4\u602a\u201d\u7684\u6545\u969c\uff0c\u4f8b\u5982\u5bb6\u91cc\u6ca1\u4fe1\u53f7\uff08\u7f51\u7edc\u6545\u969c)\uff0c\u4e0d\u7ba1\u600e\u4e48\u53eb\u90fd\u4e0d\u7406\u4f60\uff0c\u6216\u8005\u65ad\u65ad\u7eed\u7eed\u7684\u7406\u4f60\u3002\u53e6\u5916\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u4eba\u90fd\u662f\u901a\u8fc7\u81ea\u5df1\u5bb6\u7684\u8868\u770b\u65f6\u95f4\u7684\uff0c\u6240\u8c13\u76845\u70b9\u9700\u8981\u63d0\u4ea4\u7ed3\u679c\uff0c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u65e7\u5931\u53bb\u4e86\u53c2\u8003\u7684\u7edd\u5bf9\u4ef7\u503c\u3002\u56e0\u6b64\uff0c\u4f5c\u4e3a\u4e0a\u9762\u4f8b\u5b50\u4e2d\u7684\u201c\u8001\u677f\u201d\uff0c\u4e0d\u80fd\u90a3\u4e48\u81ea\u4fe1\u7684\u8ba4\u4e3a\u4e00\u4e2a\u4eba\u5e72\u5de5\u4f5c\u9700\u898110\u5929\uff0c\u5c31\u53ef\u4ee5\u653e\u5fc3\u4ea4\u7ed910\u4e2a\u4eba\uff0c\u8ba9\u4ed6\u4eec\u4e00\u5929\u641e\u5b9a\u3002<\/p>\n<p>\u6211\u4eec\u9700\u8981\u6709\u5404\u79cd\u63aa\u65bd\u6765\u5e94\u5bf9\u5206\u6d3e\u4efb\u52a1\u5e26\u6765\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u56de\u5230\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u90e8\u5206\u5931\u6548\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e00\u5b9a\u4f1a\u51fa\u73b0\u7684\u60c5\u51b5\u3002\u4f5c\u4e3a\u7cfb\u7edf\u672c\u8eab\u7684\u8bbe\u8ba1\u4eba\u5458\uff0c\u6211\u4eec\u6240\u8bbe\u8ba1\u7684\u7cfb\u7edf\u9700\u8981\u80fd\u591f\u5bb9\u5fcd\u8fd9\u79cd\u95ee\u9898\uff0c\u76f8\u5bf9\u5355\u673a\u7cfb\u7edf\u6765\u8bf4\uff0c\u8fd9\u5c31\u5e26\u6765\u4e86\u7279\u6709\u7684\u590d\u6742\u6027\u3002<\/p>\n<h3>3.2 \u5206\u5e03\u5f0f\u7cfb\u7edf\u7279\u6709\u7684\u6545\u969c<\/h3>\n<h4>\u4e0d\u53ef\u9760\u7684\u7f51\u7edc<\/h4>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u7eaf\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u800c\u8a00\uff0c\u5b83\u7684\u67b6\u6784\u5927\u591a\u4e3aShare Nothing\u67b6\u6784\uff0c\u5373\u4f7f\u662f\u5b58\u7b97\u5206\u79bb\u8fd9\u79cd\u770b\u4f3c\u7684Share Storage\uff0c\u5b83\u7684\u5e95\u5c42\u5b58\u50a8\u4e00\u6837\u662f\u9700\u8981\u89e3\u51b3Share Nothing\u7684\u3002\u6240\u8c13Nothing\uff0c\u8fd9\u91cc\u66f4\u503e\u5411\u4e8e\u53ebNothing but Network\uff0c\u7f51\u7edc\u662f\u4e0d\u540c\u8282\u70b9\u95f4\u5171\u4eab\u4fe1\u606f\u7684\u552f\u4e00\u9014\u5f84\uff0c\u6570\u636e\u7684\u4f20\u8f93\u4e3b\u8981\u901a\u8fc7\u4ee5\u592a\u7f51\u8fdb\u884c\u4f20\u8f93\uff0c\u8fd9\u662f\u4e00\u79cd\u5f02\u6b65\u7f51\u7edc\uff0c\u4e5f\u5c31\u662f\u7f51\u7edc\u672c\u8eab\u5e76\u4e0d\u4fdd\u8bc1\u53d1\u51fa\u53bb\u7684\u6570\u636e\u5305\u4e00\u5b9a\u80fd\u88ab\u63a5\u5230\u6216\u662f\u4f55\u65f6\u88ab\u6536\u5230\u3002\u8fd9\u91cc\u53ef\u80fd\u53d1\u751f\u5404\u79cd\u9519\u8bef\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394562\" alt=\"\u56fe9 \u4e0d\u53ef\u9760\u7684\u7f51\u7edc\" title=\"\u56fe9 \u4e0d\u53ef\u9760\u7684\u7f51\u7edc\" loading=\"lazy\"><\/p>\n<ol>\n<li>\u8bf7\u6c42\u4e22\u5931<\/li>\n<li>\u8bf7\u6c42\u6b63\u5728\u67d0\u4e2a\u961f\u5217\u4e2d\u7b49\u5f85<\/li>\n<li>\u8fdc\u7a0b\u8282\u70b9\u5df2\u7ecf\u5931\u6548<\/li>\n<li>\u8fdc\u7a0b\u8282\u70b9\u65e0\u6cd5\u54cd\u5e94<\/li>\n<li>\u8fdc\u7a0b\u8282\u70b9\u5df2\u7ecf\u5904\u7406\u5b8c\u8bf7\u6c42\uff0c\u4f46\u5728ack\u7684\u65f6\u5019\u4e22\u5305<\/li>\n<li>\u8fdc\u7a0b\u63a5\u6536\u8282\u70b9\u5df2\u7ecf\u5904\u7406\u5b8c\u8bf7\u6c42\uff0c\u4f46\u56de\u590d\u5904\u7406\u5f88\u6162<\/li>\n<\/ol>\n<p>\u672c\u6587\u8ba4\u4e3a\uff0c\u9020\u6210\u7f51\u7edc\u4e0d\u53ef\u9760\u7684\u539f\u56e0\u4e0d\u5149\u662f\u4ee5\u592a\u7f51\u548cIP\u5305\u672c\u8eab\uff0c\u5176\u5b9e\u5e94\u7528\u672c\u8eab\u6709\u65f6\u5019\u5f02\u5e38\u4e5f\u662f\u9020\u6210\u7f51\u7edc\u4e0d\u53ef\u9760\u7684\u4e00\u4e2a\u8bf1\u56e0\u3002\u56e0\u4e3a\uff0c\u6211\u4eec\u6240\u91c7\u7528\u7684\u8282\u70b9\u95f4\u4f20\u8f93\u534f\u8bae\u5927\u591a\u662fTCP\uff0cTCP\u662f\u4e2a\u7aef\u5230\u7aef\u7684\u534f\u8bae\uff0c\u662f\u9700\u8981\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e24\u7aef\u5185\u6838\u4e2d\u660e\u786e\u7ef4\u62a4\u6570\u636e\u7ed3\u6784\u6765\u7ef4\u6301\u8fde\u63a5\u7684\uff0c\u5982\u679c\u5e94\u7528\u5c42\u53d1\u751f\u4e86\u4e0b\u9762\u7684\u95ee\u9898\uff0c\u90a3\u4e48\u7f51\u7edc\u5305\u5c31\u4f1a\u5728\u5185\u6838\u7684Socket Buffer\u4e2d\u6392\u961f\u5f97\u4e0d\u5230\u5904\u7406\uff0c\u6216\u54cd\u5e94\u5f97\u4e0d\u5230\u5904\u7406\u3002<\/p>\n<ol>\n<li>\u5e94\u7528\u7a0b\u5e8fGC\u3002<\/li>\n<li>\u5904\u7406\u8282\u70b9\u5728\u8fdb\u884c\u91cd\u7684\u78c1\u76d8I\/O\uff0c\u5bfc\u81f4CPU\u65e0\u6cd5\u4ece\u4e2d\u65ad\u4e2d\u6062\u590d\u4ece\u800c\u65e0\u6cd5\u5904\u7406\u7f51\u7edc\u8bf7\u6c42\u3002<\/li>\n<li>\u7531\u4e8e\u5185\u5b58\u6362\u9875\u5bfc\u81f4\u7684\u98a0\u7c38\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u4e9b\u95ee\u9898\u548c\u7f51\u7edc\u672c\u8eab\u7684\u4e0d\u7a33\u5b9a\u6027\u76f8\u53e0\u52a0\uff0c\u4f7f\u5f97\u5916\u754c\u8ba4\u4e3a\u7684\u7f51\u7edc\u4e0d\u9760\u8c31\u7684\u7a0b\u5ea6\u66f4\u52a0\u4e25\u91cd\u3002\u56e0\u6b64\u8fd9\u4e9b\u4e0d\u9760\u8c31\uff0c\u4f1a\u6781\u5927\u5730\u52a0\u91cd\u4e0a\u4e00\u7ae0\u4e2d\u7684 \u590d\u5236\u6ede\u540e\u6027\uff0c\u8fdb\u800c\u5e26\u6765\u5404\u79cd\u5404\u6837\u7684\u4e00\u81f4\u6027\u95ee\u9898\u3002<\/p>\n<h4>\u5e94\u5bf9\u4e4b\u9053<\/h4>\n<p>\u7f51\u7edc\u5f02\u5e38\u76f8\u6bd4\u5176\u4ed6\u5355\u673a\u4e0a\u7684\u9519\u8bef\u800c\u8a00\uff0c\u53ef\u80fd\u591a\u4e86\u4e00\u79cd\u4e0d\u786e\u5b9a\u7684\u8fd4\u56de\u72b6\u6001\uff0c\u5373\u5ef6\u8fdf\uff0c\u800c\u4e14\u5ef6\u8fdf\u7684\u65f6\u95f4\u5b8c\u5168\u65e0\u6cd5\u9884\u4f30\u3002\u8fd9\u4f1a\u8ba9\u6211\u4eec\u5199\u8d77\u7a0b\u5e8f\u6765\u5f02\u5e38\u5934\u75bc\uff0c\u5bf9\u4e8e\u4e0a\u4e00\u7ae0\u4e2d\u7684\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u80fd\u65e0\u4ece\u77e5\u6653\u8282\u70b9\u662f\u5426\u5931\u6548\uff0c\u56e0\u4e3a\u4f60\u53d1\u7684\u8bf7\u6c42\u538b\u6839\u53ef\u80fd\u4e0d\u4f1a\u6709\u4eba\u54cd\u5e94\u4f60\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u628a\u4e0a\u9762\u7684\u201c\u4e0d\u786e\u5b9a\u201d\u53d8\u6210\u4e00\u79cd\u786e\u5b9a\u7684\u5f62\u5f0f\uff0c\u90a3\u5c31\u662f\u5229\u7528\u201c\u8d85\u65f6\u201d\u673a\u5236\u3002\u8fd9\u91cc\u5f15\u7533\u51fa\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\n<p>\u5047\u8bbe\u80fd\u591f\u68c0\u6d4b\u51fa\u5931\u6548\uff0c\u6211\u4eec\u5e94\u8be5\u5982\u4f55\u5e94\u5bf9\uff1f<\/p>\n<p>a. \u8d1f\u8f7d\u5747\u8861\u9700\u8981\u907f\u514d\u5f80\u5931\u6548\u7684\u8282\u70b9\u4e0a\u53d1\u6570\u636e\uff08\u670d\u52a1\u53d1\u73b0\u6a21\u5757\u4e2d\u7684\u5065\u5eb7\u68c0\u67e5\u529f\u80fd\uff09\u3002<br \/> b. \u5982\u679c\u5728\u4e3b\u4ece\u590d\u5236\u4e2d\uff0c\u5982\u679c\u4e3b\u8282\u70b9\u5931\u6548\uff0c\u9700\u8981\u51fa\u53d1\u9009\u4e3e\u673a\u5236\uff08Kafka\u4e2d\u7684\u4e34\u65f6\u8282\u70b9\u6389\u7ebf\uff0cController\u76d1\u542c\u5230\u53d8\u66f4\u89e6\u53d1\u65b0\u7684\u9009\u4e3e\uff0cController\u672c\u8eab\u7684\u9009\u4e3e\u673a\u5236\uff09\u3002 <br \/> c.  \u5982\u679c\u670d\u52a1\u8fdb\u7a0b\u5d29\u6e83\uff0c\u4f46\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u6b63\u5e38\uff0c\u53ef\u4ee5\u901a\u8fc7\u811a\u672c\u901a\u77e5\u5176\u4ed6\u8282\u70b9\uff0c\u4ee5\u4fbf\u65b0\u7684\u8282\u70b9\u6765\u63a5\u66ff\uff08Kafka\u7684\u50f5\u5c38\u8282\u70b9\u68c0\u6d4b\uff0c\u4f1a\u89e6\u53d1\u5f3a\u5236\u7684\u4e34\u65f6\u8282\u70b9\u6389\u7ebf\uff09\u3002 <br \/> d. \u5982\u679c\u8def\u7531\u5668\u5df2\u7ecf\u786e\u8ba4\u76ee\u6807\u8282\u70b9\u4e0d\u53ef\u8bbf\u95ee\uff0c\u5219\u4f1a\u8fd4\u56deICMP\u4e0d\u53ef\u8fbe\uff08ping\u4e0d\u901a\u8d70\u4e0b\u7ebf\uff09\u3002<\/p>\n<\/li>\n<li>\u5982\u4f55\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\u662f\u5408\u7406\u7684\uff1f<\/li>\n<\/ol>\n<p>\u5f88\u9057\u61be\u5730\u544a\u8bc9\u5927\u5bb6\uff0c\u8fd9\u91cc\u9762\u5b9e\u9645\u4e0a\u662f\u4e2a\u6743\u8861\u7684\u95ee\u9898\uff0c\u77ed\u7684\u8d85\u65f6\u65f6\u95f4\u4f1a\u66f4\u5feb\u5730\u53d1\u73b0\u6545\u969c\uff0c\u4f46\u540c\u65f6\u589e\u52a0\u4e86\u8bef\u5224\u7684\u98ce\u9669\u3002\u8fd9\u91cc\u5047\u8bbe\u7f51\u7edc\u6b63\u5e38\uff0c\u90a3\u4e48\u5982\u679c\u7aef\u5230\u7aef\u7684ping\u65f6\u95f4\u4e3ad\uff0c\u5904\u7406\u65f6\u95f4\u4e3ar\uff0c\u90a3\u4e48\u57fa\u672c\u4e0a\u8bf7\u6c42\u4f1a\u57282d+r\u7684\u65f6\u95f4\u5b8c\u6210\u3002\u4f46\u5728\u73b0\u5b9e\u4e2d\uff0c\u6211\u4eec\u65e0\u6cd5\u5047\u8bbe\u5f02\u6b65\u7f51\u7edc\u7684\u5177\u4f53\u5ef6\u8fdf\uff0c\u5b9e\u9645\u60c5\u51b5\u53ef\u80fd\u4f1a\u66f4\u590d\u6742\u3002\u56e0\u6b64\u8fd9\u662f\u4e00\u4e2a\u5341\u5206\u9760\u7ecf\u9a8c\u7684\u5de5\u4f5c\u3002<\/p>\n<h3>3.2 \u4e0d\u53ef\u9760\u7684\u65f6\u949f<\/h3>\n<p>\u8bf4\u5b8c\u4e86\u201c\u4fe1\u53f7\u201d\u7684\u95ee\u9898\uff0c\u4e0b\u9762\u5c31\u8981\u8bf4\u8bf4\u6bcf\u5bb6\u7684\u201c\u949f\u8868\u201d\u2014\u2014\u65f6\u949f\u4e86\uff0c\u5b83\u4e3b\u8981\u7528\u6765\u505a\u4e24\u4ef6\u4e8b\uff1a<\/p>\n<ol>\n<li>\u63cf\u8ff0\u5f53\u524d\u7684\u7edd\u5bf9\u65f6\u95f4<\/li>\n<li>\u63cf\u8ff0\u67d0\u4ef6\u4e8b\u60c5\u7684\u6301\u7eed\u65f6\u95f4<\/li>\n<\/ol>\n<p>\u5728DDIA\u4e2d\uff0c\u5bf9\u4e8e\u8fd9\u4e24\u7c7b\u7528\u9014\u7ed9\u51fa\u4e86\u4e24\u79cd\u65f6\u95f4\uff0c\u4e00\u7c7b\u6210\u4e3a\u5899\u4e0a\u65f6\u949f\uff0c\u5b83\u4eec\u4f1a\u8fd4\u56de\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u4f8b\u5982clock_gettime(CLOCK_REALTIME)\u6216\u8005System.currentTimeMills\uff0c\u4f46\u8fd9\u7c7b\u53cd\u5e94\u7cbe\u786e\u65f6\u95f4\u7684API\uff0c\u7531\u4e8e\u65f6\u949f\u540c\u6b65\u7684\u95ee\u9898\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u56de\u62e8\u7684\u60c5\u51b5\u3002\u56e0\u6b64\uff0c\u4f5c\u4e3a\u6301\u7eed\u65f6\u95f4\u7684\u6d4b\u91cf\u901a\u5e38\u91c7\u7528\u5355\u8c03\u65f6\u949f\uff0c\u4f8b\u5982clock_gettime(CLOCK_MONOTONIC) \u6216\u8005System.nanoTime\u3002\u9ad8\u7248\u672c\u7684Kafka\u4e2d\u628a\u8bf7\u6c42\u7684\u76f8\u5e94\u5ef6\u8fdf\u8ba1\u7b97\u5168\u90e8\u6362\u6210\u4e86\u8fd9\u4e2aAPI\u5b9e\u73b0\uff0c\u5e94\u8be5\u4e5f\u662f\u8fd9\u4e2a\u539f\u56e0\u3002<\/p>\n<p>\u8fd9\u91cc\u65f6\u949f\u540c\u6b65\u7684\u5177\u4f53\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u4f1a\u51fa\u73b0\u4e0d\u51c6\u786e\u7684\u95ee\u9898\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u8be6\u7ec6\u4ecb\u7ecd\u4e86\uff0c\u611f\u5174\u8da3\u7684\u540c\u5b66\u53ef\u4ee5\u81ea\u884c\u9605\u8bfb\u4e66\u7c4d\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e0b\u5982\u4f55\u4f7f\u7528\u65f6\u95f4\u6233\u6765\u63cf\u8ff0\u4e8b\u4ef6\u987a\u5e8f\u7684\u6848\u4f8b\uff0c\u5e76\u5c55\u793a\u5982\u4f55\u56e0\u65f6\u949f\u95ee\u9898\u5bfc\u81f4\u4e8b\u4ef6\u987a\u5e8f\u5224\u65ad\u5f02\u5e38\u7684\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042394563\" alt=\"\u56fe10 \u4e0d\u53ef\u9760\u7684\u65f6\u949f\" title=\"\u56fe10 \u4e0d\u53ef\u9760\u7684\u65f6\u949f\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u53d1\u73b0\uff0cNode1\u7684\u65f6\u949f\u6bd4Node3\u5feb\uff0c\u5f53\u4e24\u4e2a\u8282\u70b9\u5728\u5904\u7406\u5b8c\u672c\u5730\u8bf7\u6c42\u51c6\u5907\u5199Node2\u65f6\u53d1\u751f\u4e86\u95ee\u9898\uff0c\u539f\u672cClientB\u7684\u5199\u5165\u660e\u663e\u665a\u4e8eClientA\u7684\u5199\u5165\uff0c\u4f46\u6700\u7ec8\u7684\u7ed3\u679c\uff0c\u5374\u7531\u4e8eNode1\u7684\u65f6\u95f4\u6233\u66f4\u5927\u800c\u4e22\u5f03\u4e86\u672c\u8be5\u4fdd\u7559\u7684x+=1\uff0c\u8fd9\u6837\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528LWW\uff0c\u4e00\u5b9a\u4f1a\u51fa\u73b0\u6570\u636e\u4e0d\u7b26\u5408\u9884\u671f\u7684\u95ee\u9898\u3002<\/p>\n<p>\u7531\u4e8e\u65f6\u949f\u4e0d\u51c6\u786e\uff0c\u8fd9\u91cc\u5c31\u5f15\u5165\u4e86\u7edf\u8ba1\u5b66\u4e2d\u7684\u7f6e\u4fe1\u533a\u95f4\u7684\u6982\u5ff5\uff0c\u4e5f\u5c31\u662f\u8fd9\u4e2a\u65f6\u95f4\u5230\u5e95\u5728\u4e00\u4e2a\u4ec0\u4e48\u6837\u7684\u8303\u56f4\u91cc\uff0c\u4e00\u822c\u7684API\u662f\u65e0\u6cd5\u8fd4\u56de\u7c7b\u4f3c\u8fd9\u6837\u7684\u4fe1\u606f\u7684\u3002\u4e0d\u8fc7\uff0cGoogle\u7684TrueTime API\u5219\u6070\u6070\u80fd\u591f\u8fd4\u56de\u8fd9\u79cd\u4fe1\u606f\uff0c\u5176\u8c03\u7528\u7ed3\u679c\u662f\u4e00\u4e2a\u533a\u95f4\uff0c\u6709\u4e86\u8fd9\u6837\u7684API\uff0c\u786e\u5b9e\u5c31\u53ef\u4ee5\u7528\u6765\u505a\u4e00\u4e9b\u5bf9\u5176\u6709\u4f9d\u8d56\u7684\u4e8b\u60c5\u4e86\uff0c\u4f8b\u5982Google\u81ea\u5bb6\u7684Spanner\uff0c\u5c31\u662f\u4f7f\u7528TrueTime\u5b9e\u73b0\u5feb\u7167\u9694\u79bb\u3002<\/p>\n<h3>\u5982\u4f55\u5728\u8fd9\u8270\u96be\u7684\u73af\u5883\u4e2d\u8bbe\u8ba1\u7cfb\u7edf<\/h3>\n<p>\u4e0a\u9762\u4ecb\u7ecd\u7684\u95ee\u9898\u662f\u4e0d\u662f\u633a\u201c\u4ee4\u4eba\u7edd\u671b\u201d\u7684\uff1f\u4f60\u53ef\u80fd\u53d1\u73b0\uff0c\u73b0\u5728\u65f6\u95f4\u53ef\u80fd\u662f\u9519\u7684\uff0c\u6d4b\u91cf\u53ef\u80fd\u662f\u4e0d\u51c6\u7684\uff0c\u4f60\u7684\u8bf7\u6c42\u53ef\u80fd\u5f97\u4e0d\u5230\u4efb\u4f55\u54cd\u5e94\uff0c\u4f60\u53ef\u80fd\u4e0d\u77e5\u9053\u5b83\u662f\u4e0d\u662f\u8fd8\u6d3b\u7740&#8230;&#8230;\u8fd9\u79cd\u73af\u5883\u771f\u7684\u8ba9\u8bbe\u8ba1\u5206\u5e03\u5f0f\u7cfb\u7edf\u53d8\u5f97\u5f02\u5e38\u8270\u96be\uff0c\u5c31\u50cf\u662f\u4f60\u5728100\u4e2a\u4eba\u7ec4\u6210\u7684\u5927\u90e8\u95e8\u91cc\u9762\u534f\u8c03\u4e00\u4e9b\u5de5\u4f5c\u4e00\u6837\uff0c\u5de5\u4f5c\u91cf\u5f02\u5e38\u7684\u5de8\u5927\u4e14\u590d\u6742\u3002<\/p>\n<p>\u4f46\u597d\u5728\u6211\u4eec\u5e76\u4e0d\u662f\u4ec0\u4e48\u90fd\u505a\u4e0d\u4e86\uff0c\u4ee5\u534f\u8c03\u8fd9\u4ef6\u4e8b\u4e3a\u4f8b\uff0c\u6211\u4eec\u80af\u5b9a\u4e0d\u662f\u6b66\u65ad\u5730\u542c\u53d6\u4e00\u4e2a\u4eba\u7684\u610f\u89c1\uff0c\u8ba9\u6211\u4eec\u56de\u5230\u5b66\u751f\u65f6\u4ee3\u3002\u6211\u4eec\u9700\u8981\u8bc4\u9009\u4e00\u4f4d\u73ed\u957f\uff0c\u80af\u5b9a\u6211\u4eec\u90fd\u7ecf\u5386\u8fc7\u6295\u7968\u3001\u5531\u7968\u7684\u73af\u8282\uff0c\u6700\u7ec8\u5f97\u7968\u6700\u591a\u7684\u90a3\u4e2a\u4eba\u5f53\u9009\uff0c\u6709\u65f6\u53ef\u80fd\u8fd8\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u524d\u63d0\uff0c\u9700\u8981\u5f97\u7968\u8d85\u8fc7\u534a\u6570\u3002<\/p>\n<p>\u6620\u5c04\u5230\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4e5f\u662f\u5982\u6b64\uff0c\u6211\u4eec\u4e0d\u80fd\u8f7b\u6613\u5730\u76f8\u4fe1\u4efb\u4f55\u4e00\u53f0\u8282\u70b9\u7684\u4fe1\u606f\uff0c\u56e0\u4e3a\u5b83\u6709\u592a\u591a\u7684\u4e0d\u786e\u5b9a\uff0c\u56e0\u6b64\u66f4\u591a\u7684\u60c5\u51b5\u4e0b\uff0c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5982\u679c\u6211\u4eec\u9700\u8981\u5c31\u67d0\u4e2a\u4e8b\u60c5\u8fbe\u6210\u4e00\u81f4\uff0c\u4e5f\u53ef\u4ee5\u91c7\u53d6\u50cf\u7ade\u9009\u6216\u8bae\u4f1a\u4e00\u6837\uff0c\u5927\u5bb6\u534f\u5546\u3001\u6295\u7968\u3001\u4ef2\u88c1\u51b3\u5b9a\u4e00\u9879\u63d0\u8bae\u8fbe\u6210\u4e00\u81f4\uff0c\u771f\u76f8\u7531\u591a\u6570\u4eba\u5546\u8bae\u51b3\u5b9a\uff0c\u4ece\u800c\u8fbe\u5230\u5927\u5bb6\u7684\u4e00\u81f4\u548c\u7edf\u4e00\uff0c\u8fd9\u4e5f\u5c31\u662f\u540e\u9762\u8981\u4ecb\u7ecd\u7684\u5206\u5e03\u5f0f\u5171\u8bc6\u534f\u8bae\u3002\u8fd9\u4e2a\u534f\u8bae\u80fd\u591f\u5bb9\u5fcd\u4e00\u4e9b\u8282\u70b9\u7684\u90e8\u5206\u5931\u6548\uff0c\u6216\u8005\u83ab\u540d\u5176\u5999\u7684\u6545\u969c\u5e26\u6765\u7684\u95ee\u9898\uff0c\u8ba9\u7cfb\u7edf\u80fd\u591f\u6b63\u5e38\u5730\u8fd0\u884c\u4e0b\u53bb\uff0c\u786e\u4fdd\u8bf7\u6c42\u5230\u7684\u6570\u636e\u662f\u53ef\u4fe1\u7684\u3002<\/p>\n<p>\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e9b\u5b9e\u9645\u5206\u5e03\u5f0f\u7b97\u6cd5\u7684\u7406\u8bba\u6a21\u578b\uff0c\u6839\u636e\u5bf9\u4e8e\u5ef6\u8fdf\u7684\u5047\u8bbe\u4e0d\u540c\uff0c\u8fd9\u91cc\u4ecb\u7ecd\u4e09\u79cd\u7cfb\u7edf\u6a21\u578b\u3002<\/p>\n<p><strong>1. \u540c\u6b65\u6a21\u578b<\/strong><\/p>\n<p>\u8be5\u6a21\u578b\u4e3b\u8981\u5047\u8bbe\u7f51\u7edc\u5ef6\u8fdf\u662f\u6709\u754c\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u695a\u5730\u77e5\u9053\u8fd9\u4e2a\u5ef6\u8fdf\u7684\u4e0a\u4e0b\u754c\uff0c\u4e0d\u7ba1\u51fa\u73b0\u4efb\u4f55\u60c5\u51b5\uff0c\u5b83\u90fd\u4e0d\u4f1a\u8d85\u51fa\u8fd9\u4e2a\u754c\u9650\u3002<\/p>\n<p><strong>2. \u534a\u540c\u6b65\u6a21\u578b\uff08\u5927\u90e8\u5206\u6a21\u578b\u90fd\u662f\u57fa\u4e8e\u8fd9\u4e2a\u5047\u8bbe\uff09<\/strong><\/p>\n<p>\u534a\u540c\u6b65\u6a21\u578b\u8ba4\u4e3a\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\uff0c\u7f51\u7edc\u548c\u5ef6\u8fdf\u90fd\u662f\u6b63\u5e38\u7684\uff0c\u5982\u679c\u51fa\u73b0\u8fdd\u80cc\u7684\u60c5\u51b5\uff0c\u504f\u5dee\u53ef\u80fd\u4f1a\u975e\u5e38\u5927\u3002<\/p>\n<p><strong>3. \u5f02\u6b65\u6a21\u578b<\/strong><\/p>\n<p>\u5bf9\u5ef6\u8fdf\u4e0d\u4f5c\u4efb\u4f55\u5047\u8bbe\uff0c\u6ca1\u6709\u4efb\u4f55\u8d85\u65f6\u673a\u5236\u3002<\/p>\n<p>\u800c\u5bf9\u4e8e\u8282\u70b9\u5931\u6548\u7684\u5904\u7406\uff0c\u4e5f\u5b58\u5728\u4e09\u79cd\u6a21\u578b\uff0c\u8fd9\u91cc\u6211\u4eec\u5ffd\u7565\u6076\u610f\u8c0e\u8a00\u7684\u62dc\u5360\u5ead\u6a21\u578b\uff0c\u5c31\u5269\u4e0b\u4e24\u79cd\u3002<\/p>\n<p><strong>1.\u5d29\u6e83-\u7ec8\u6b62\u6a21\u578b\uff08Crash-Stop\uff09<\/strong>\uff1a\u8be5\u6a21\u578b\u4e2d\u5047\u8bbe\u4e00\u4e2a\u8282\u70b9\u53ea\u80fd\u4ee5\u4e00\u79cd\u65b9\u5f0f\u53d1\u751f\u6545\u969c\uff0c\u5373\u5d29\u6e83\uff0c\u53ef\u80fd\u5b83\u4f1a\u5728\u4efb\u610f\u65f6\u523b\u505c\u6b62\u54cd\u5e94\uff0c\u7136\u540e\u6c38\u8fdc\u65e0\u6cd5\u6062\u590d\u3002<\/p>\n<p><strong>2.\u5d29\u6e83-\u6062\u590d\u6a21\u578b<\/strong>\uff1a\u8282\u70b9\u53ef\u80fd\u5728\u4efb\u4f55\u65f6\u523b\u53d1\u751f\u5d29\u6e83\uff0c\u53ef\u80fd\u4f1a\u5728\u4e00\u6bb5\u65f6\u95f4\u540e\u6062\u590d\uff0c\u5e76\u518d\u6b21\u54cd\u5e94\uff0c\u5728\u8be5\u6a21\u578b\u4e2d\u5047\u8bbe\uff0c\u5728\u6301\u4e45\u5316\u5b58\u50a8\u4e2d\u7684\u6570\u636e\u5c06\u5f97\u4ee5\u4fdd\u5b58\uff0c\u800c\u5185\u5b58\u4e2d\u7684\u6570\u636e\u4f1a\u4e22\u5931\u3002<\/p>\n<p>\u800c\u591a\u6570\u7684\u7b97\u6cd5\u90fd\u662f\u57fa\u4e8e\u534a\u540c\u6b65\u6a21\u578b+\u5d29\u6e83-\u6062\u590d\u6a21\u578b\u6765\u8fdb\u884c\u8bbe\u8ba1\u7684\u3002<\/p>\n<h4>Safety and Liveness<\/h4>\n<p>\u8fd9\u4e24\u4e2a\u8bcd\u5728\u5206\u5e03\u5f0f\u7b97\u6cd5\u8bbe\u8ba1\u65f6\u8d77\u7740\u5341\u5206\u5173\u952e\u7684\u4f5c\u7528\uff0c\u5176\u4e2d\u5b89\u5168\u6027\uff08Safety\uff09\u8868\u793a\u6ca1\u6709\u610f\u5916\u53d1\u751f\uff0c\u5047\u8bbe\u8fdd\u53cd\u4e86\u5b89\u5168\u6027\u539f\u5219\uff0c\u6211\u4eec\u4e00\u5b9a\u80fd\u591f\u6307\u51fa\u5b83\u53d1\u751f\u7684\u65f6\u95f4\u70b9\uff0c\u5e76\u4e14\u5b89\u5168\u6027\u4e00\u65e6\u8fdd\u53cd\uff0c\u65e0\u6cd5\u64a4\u9500\u3002\u800c\u6d3b\u6027\uff08Liveness\uff09\u5219\u8868\u793a\u201c\u9884\u671f\u7684\u4e8b\u60c5\u6700\u7ec8\u4e00\u5b9a\u4f1a\u53d1\u751f\u201d\uff0c\u53ef\u80fd\u6211\u4eec\u65e0\u6cd5\u660e\u786e\u5177\u4f53\u7684\u65f6\u95f4\u70b9\uff0c\u4f46\u6211\u4eec\u671f\u671b\u5b83\u5728\u672a\u6765\u67d0\u4e2a\u65f6\u95f4\u80fd\u591f\u6ee1\u8db3\u8981\u6c42\u3002<\/p>\n<p>\u5728\u8fdb\u884c\u5206\u5e03\u5f0f\u7b97\u6cd5\u8bbe\u8ba1\u65f6\uff0c\u901a\u5e38\u9700\u8981\u5fc5\u987b\u6ee1\u8db3\u5b89\u5168\u6027\uff0c\u800c\u6d3b\u6027\u7684\u6ee1\u8db3\u9700\u8981\u5177\u5907\u4e00\u5b9a\u7684\u524d\u63d0\u3002<\/p>\n<h2>7. \u603b\u7ed3<\/h2>\n<p>\u4ee5\u4e0a\u5c31\u662f\u7b2c\u4e00\u7bc7\u6587\u7ae0\u7684\u5185\u5bb9\uff0c\u7b80\u5355\u505a\u4e0b\u56de\u987e\uff0c\u672c\u6587\u9996\u5148\u4ecb\u7ecd\u4e86\u590d\u5236\u7684\u4e09\u79cd\u5e38\u89c1\u6a21\u578b\uff0c\u5206\u522b\u662f\u4e3b\u4ece\u590d\u5236\u3001\u591a\u4e3b\u590d\u5236\u548c\u65e0\u4e3b\u590d\u5236\uff0c\u7136\u540e\u5206\u522b\u4ecb\u7ecd\u4e86\u8fd9\u4e09\u79cd\u6a21\u578b\u7684\u7279\u70b9\u3001\u9002\u7528\u573a\u666f\u4ee5\u53ca\u4f18\u7f3a\u70b9\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7528\u4e86\u4e00\u4e2a\u73b0\u5b9e\u751f\u6d3b\u4e2d\u7684\u4f8b\u5b50\uff0c\u5411\u5927\u5bb6\u5c55\u793a\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5e38\u89c1\u7684\u4e24\u4e2a\u7279\u6709\u95ee\u9898\uff0c\u5206\u522b\u662f\u8282\u70b9\u7684\u90e8\u5206\u5931\u6548\u4ee5\u53ca\u65e0\u6cd5\u5171\u4eab\u7cfb\u7edf\u65f6\u949f\u7684\u95ee\u9898\uff0c\u8fd9\u4e24\u4e2a\u95ee\u9898\u4e3a\u6211\u4eec\u8bbe\u8ba1\u5206\u5e03\u5f0f\u7cfb\u7edf\u5e26\u6765\u4e86\u6bd4\u8f83\u5927\u7684\u6311\u6218\u3002\u5982\u679c\u6ca1\u6709\u4e00\u4e9b\u8bbe\u8ba1\u7279\u5b9a\u7684\u63aa\u65bd\uff0c\u6211\u4eec\u6240\u8bbe\u8ba1\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u5c06\u65e0\u6cd5\u5f88\u597d\u5730\u6ee1\u8db3\u8bbe\u8ba1\u7684\u521d\u8877\uff0c\u7528\u6237\u4e5f\u65e0\u6cd5\u901a\u8fc7\u5206\u5e03\u5f0f\u7cfb\u7edf\u6765\u5b8c\u6210\u81ea\u5df1\u60f3\u8981\u7684\u5de5\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0a\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u4f1a\u4e0b\u7bc7\u6587\u7ae0\u300aReplication\uff08\u4e0b\uff09\uff1a\u4e8b\u52a1\uff0c\u4e00\u81f4\u6027\u4e0e\u5171\u8bc6\u300b\u4e2d\u9010\u4e00\u8fdb\u884c\u89e3\u51b3\uff0c\u800c\u4e8b\u52a1\u3001\u4e00\u81f4\u6027\u3001\u5171\u8bc6\u8fd9\u4e09\u4e2a\u5173\u952e\u8bcd\uff0c\u4f1a\u4e3a\u6211\u4eec\u5728\u8bbe\u8ba1\u5206\u5e03\u5f0f\u7cfb\u7edf\u65f6\u4fdd\u9a7e\u62a4\u822a\u3002<\/p>\n<h2>8. \u4f5c\u8005\u7b80\u4ecb<\/h2>\n<p>\u4ed5\u7984\uff0c\u7f8e\u56e2\u57fa\u7840\u7814\u53d1\u5e73\u53f0\/\u6570\u636e\u79d1\u5b66\u4e0e\u5e73\u53f0\u90e8\u5de5\u7a0b\u5e08\u3002<\/p>\n<p><strong>\u9605\u8bfb\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u66f4\u591a\u6280\u672f\u6587\u7ae0\u5408\u96c6<\/strong><\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=1mXGKEVN3aS2KHp5LYfRuw%3D%3D.h6WGm%2FcZVcb0amj4GOtoFmqGFmvFWLxGpFVDiNBQPfBmWgoCxLtEQ9pweeCl8nvLgJjHVkI%2B5pBd5LpGVjM4ldiIwpell5N8dXvjoQslT%2BxJ%2FvhS6RcfTvUKR%2Fcc7pd3QXZw%2Bfm02%2BrJcqjeYicfRon6Q20O0jSinWpCiXeFKCtGI67spkFokbfpp8XfM1NuG4QDYRiJcKpKR8w3lIGuFxpKknxWMoUl%2F4JakFMLrkZZl2NwQgk%2B04CG8SncsZao\" rel=\"nofollow\">\u524d\u7aef<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=J80dfee7cKaYCIRP9ki82A%3D%3D.iCwo7oqtrTYHizXt5cGb6E1uVtQ1f51N6Cglf9izHCNpcForQD%2FZ%2FhUURaQlPtPIW0XJqanFn7N37SxyExfKHUsx3s4E1hUwceGCstCk%2B4Gw6Zdvldhnn8iTJapz2kD84Xg7qC3%2BNXogGSzXt1igj29dED62aerNjDsZl1V%2FdNIp%2F%2FeKwSIm9LsYzBRBX32CI7Lq3bcTtXSEmfVOz5bewAgEntRNeS8oGHnHo2IhJaAyqYQalPYC3kuObLFByKhm\" rel=\"nofollow\">\u7b97\u6cd5<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=RJm6yegzosEtkfw%2FGh6v5Q%3D%3D.Ke3iFmoCukkPq144al2BoEb8WDJGJ4QKwYDdPJA03xxEj4wd1pZqM37WPkE6elRa1F%2F1wXxyL7LypFZ4RgV9oxho0uZfPztX9h%2F0LIdlzoxBalq3Gg%2BAdl%2BXYGiV0MZG56t%2Fdsba2OypJylaDlELoP3kj1HcLk62AsiAeHeqLbPdIxbw5seWmSJaALaPp7%2FMAH78UxWnH35tRZAMX217u%2BquFlzapgJzNy4OrEoDOMNhcQAvlcPy9LLKTF5rVu%2Bs\" rel=\"nofollow\">\u540e\u7aef<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=rM%2FvjQGqIPfqTH6zqRXyHQ%3D%3D.l0hBuU1iuo5SeqeNzR5lL%2B5a7sX6msPkc0%2F0SXLUB1g8%2FJ4B97T9EsJRR14RHkGo4DQ9ca1D8yrPl0n9quAQXrtUjZ1II9J3AGOlGgyKptsJwu7d1k4CK5WFQuzOHB1wmqVbJKvATdlI44m2pO0wK75RgD3MBrjAW8QcGNxIYaOLt4sYw7Qy9th0RsqJFp3dAWyo6S9AlSPWZe%2BlXo%2F%2BIR9o2bmQ9VzMbZFKPxEdJCtJQ10TVIxpbLPdWG4%2BkVgY\" rel=\"nofollow\">\u6570\u636e<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=zLjrhh4BUU3z67TI5NxQug%3D%3D.dRSjp7edsofWGSG6%2FZFDUAH%2FbxDPKaCF5W9bG5kCqw4JEIvsBi695fipg6vgZBb1Ows%2F%2BGNHajbM3Z2na7%2BRSD%2FUhd1AAcGIC36NgJpkX%2BPmSwyXQ%2BQRGx0mhxEKCIROPAVbBR5XKMrW12UWO3t8MzgvWES12w994Ypu97k8%2BtxriB6Qi6Azw513skh7v2dYz6ToPy9rqsXOOsGQYIZtBU542MA5ONMdsZJEQUKEdRGPUjfmedhHfnLmG1paRFnt\" rel=\"nofollow\">\u5b89\u5168<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=lsXbowaPy0g3xc3ljM8JKQ%3D%3D.mfH08mPyxvLXAjDel1QVNoczT4%2BRAEoKoDZu4%2F8R85%2BJsUi%2FwUQvtdneh1LCpckFznv5ESrd1pM%2F2scMeMRgBHlyyxk4zL%2BgTZocm%2FLkDjShOzY8iF%2FgnS3%2FxxuJ9q1fNJ2z%2FmK0U4K6Gyf4VChSkYNGkWA7PnYUpwfNmF5oD3Yg%2F%2BtntO0nhG41c1yi8KaOcQQe8kmf0sjbYOSNDebq1goweRbo56H9quYnp7pRXiZGL0gH80EAjhtTazrFtWJw\" rel=\"nofollow\">\u8fd0\u7ef4<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=cSydoCEq8ZzIPvKmOOOrbg%3D%3D.PuQhHTX2ISpZFJ0k14r%2BbI9rEpa4XICwwyMk2vh2PuHA%2BL5v%2BPJPnjRfr%2BaeetD25LlgmMHW15EH97o7wdB8xe09czo%2BuohM52Sa%2BTO1epy8zJpqlPo4FKWg0hpDDifpL%2BwyIIl2T2TvBS%2FQZ7n%2BWc7ALR%2Bvfs1rRJd9oQcpdQemCz5cqCQg%2Bhsa95M%2BJWb%2BsLcNep2vyePK62JWQiQtzdb9aZri3mJexfCdTcfk3q9PcZ6VvQoPJlfgQWKyjQQo\" rel=\"nofollow\">iOS<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=8E1VQAKXH3c4JAX%2BxUUxQA%3D%3D.2juHv%2BKHMet24OrPRP3wxubmpUVnkVD2aKMDF7Kz2l6pZ6Ms5h2DWeCKm3wkgdCFh6T0kp6rIDxgSet7jEwtiDU5Va3UpXTvEXE8UHWl4twiDsOJ5LiSBC9iuGG1gnA13EMKYepQiEaDuV2wJPlXywNhlv%2BUpvkDxem32%2BSxuh4J2Fm%2BnWlqEyGRKACLPx7nX5cfhmKKI3rli6DRUT2ZKP4%2B1OzQnyV3eWCxVwcsXL8EvPH8j68GmjY%2Fv1yglgg9\" rel=\"nofollow\">Android<\/a> | <a href=\"https:\/\/link.segmentfault.com\/?enc=3%2B16VdviwSHGTNLNYkxi%2Fg%3D%3D.9M0eWj80L2489xsi5%2Bn1OH6bwORns3IDGhbzRvyDfACSeD1kt1KzYb9RN%2B4GsmE820aE5OJ%2BlJWR9dpsdE7UHczudf2XWTRhdv%2Fww%2BObTcefCqqf%2BkRAkVXLGvZFYDXoAJaehb%2FUUpteIIu0u87JHpm5xAzIHJqpN1Zbf57v4gl1to9mL4NAkKq5Wr%2F66d0hshjmsroQu457B3ZiG2CmuxoB8IAhARV2p3FvF1Waz0ZpXwqX2xYdb4BM9%2FSm9LrV\" rel=\"nofollow\">\u6d4b\u8bd5<\/a><\/p>\n<p><strong>|<\/strong>  \u5728\u516c\u4f17\u53f7\u83dc\u5355\u680f\u5bf9\u8bdd\u6846\u56de\u590d\u30102021\u5e74\u8d27\u3011\u3001\u30102020\u5e74\u8d27\u3011\u3001\u30102019\u5e74\u8d27\u3011\u3001\u30102018\u5e74\u8d27\u3011\u3001\u30102017\u5e74\u8d27\u3011\u7b49\u5173\u952e\u8bcd\uff0c\u53ef\u67e5\u770b\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u5386\u5e74\u6280\u672f\u6587\u7ae0\u5408\u96c6\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042283403\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>| \u672c\u6587\u7cfb\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u51fa\u54c1\uff0c\u8457\u4f5c\u6743\u5f52\u5c5e\u7f8e\u56e2\u3002\u6b22\u8fce\u51fa\u4e8e\u5206\u4eab\u548c\u4ea4\u6d41\u7b49\u975e\u5546\u4e1a\u76ee\u7684\u8f6c\u8f7d\u6216\u4f7f\u7528\u672c\u6587\u5185\u5bb9\uff0c\u656c\u8bf7\u6ce8\u660e\u201c\u5185\u5bb9\u8f6c\u8f7d\u81ea\u7f8e\u56e2\u6280\u672f\u56e2\u961f\u201d\u3002\u672c\u6587\u672a\u7ecf\u8bb8\u53ef\uff0c\u4e0d\u5f97\u8fdb\u884c\u5546\u4e1a\u6027\u8f6c\u8f7d\u6216\u8005\u4f7f\u7528\u3002\u4efb\u4f55\u5546\u7528\u884c\u4e3a\uff0c\u8bf7\u53d1\u9001\u90ae\u4ef6\u81f3<a href=\"https:\/\/segmentfault.com\/a\/mailto:tech@meituan.com\">tech@meituan.com<\/a>\u7533\u8bf7\u6388\u6743\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042418315\">https:\/\/segmentfault.com\/a\/1190000042418315<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u5e03\u5f0f\u7cfb\u7edf\u8bbe\u8ba1\u662f\u4e00\u9879\u5341\u5206\u590d\u6742\u4e14\u5177\u6709\u6311\u6218\u6027\u7684\u4e8b\u60c5\u3002\u5176\u4e2d\uff0c\u6570\u636e\u590d\u5236\u4e0e\u4e00\u81f4\u6027\u66f4\u662f\u5176\u4e2d\u5341\u5206\u91cd\u8981\u7684\u4e00\u73af\u3002\u6570\u636e\u590d\u5236\u9886\u57df\u6982\u5ff5 [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006380","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006380"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006380\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}