{"id":10006381,"date":"2022-09-01T19:48:33","date_gmt":"2022-09-01T11:48:33","guid":{"rendered":"https:\/\/ityet.com\/?p=10006381"},"modified":"2022-09-01T19:48:33","modified_gmt":"2022-09-01T11:48:33","slug":"replication%ef%bc%88%e4%b8%8b%ef%bc%89%ef%bc%9a%e4%ba%8b%e5%8a%a1%ef%bc%8c%e4%b8%80%e8%87%b4%e6%80%a7%e4%b8%8e%e5%85%b1%e8%af%86","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006381","title":{"rendered":"Replication\uff08\u4e0b\uff09\uff1a\u4e8b\u52a1\uff0c\u4e00\u81f4\u6027\u4e0e\u5171\u8bc6"},"content":{"rendered":"

\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u4e8b\u52a1\u3001\u4e00\u81f4\u6027\u4ee5\u53ca\u5171\u8bc6\uff0c\u9996\u5148\u4f1a\u4ecb\u7ecd\u5b83\u4eec\u600e\u4e48\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u8d77\u4f5c\u7528\uff0c\u7136\u540e\u5c06\u5c1d\u8bd5\u63cf\u8ff0\u5b83\u4eec\u4e4b\u95f4\u7684\u5185\u5728\u8054\u7cfb\uff0c\u8ba9\u5927\u5bb6\u4e86\u89e3\uff0c\u5728\u8bbe\u8ba1\u5206\u5e03\u5f0f\u7cfb\u7edf\u65f6\u4e5f\u662f\u6709\u4e00\u5b9a\u7684\u201c\u5957\u8def\u201d\u53ef\u5bfb\u3002\u6700\u540e\u5c06\u4ecb\u7ecd\u4e1a\u754c\u9a8c\u8bc1\u5206\u5e03\u5f0f\u7b97\u6cd5\u7684\u4e00\u4e9b\u5de5\u5177\u548c\u6846\u67b6\u3002\u5e0c\u671b\u80fd\u591f\u5bf9\u5927\u5bb6\u6709\u6240\u5e2e\u52a9\u6216\u8005\u542f\u53d1\u3002<\/p>\n

1. \u524d\u6587\u56de\u987e<\/h2>\n

\u5728\u4e0a\u4e00\u7bc7\u4e2d\uff0c\u6211\u4eec\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5e38\u89c1\u7684\u590d\u5236\u6a21\u578b\uff0c\u5e76\u63cf\u8ff0\u4e86\u6bcf\u4e00\u79cd\u6a21\u578b\u7684\u4f18\u7f3a\u70b9\u4ee5\u53ca\u4f7f\u7528\u573a\u666f\uff0c\u540c\u65f6\u9610\u8ff0\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7279\u6709\u7684\u4e00\u4e9b\u6280\u672f\u6311\u6218\u3002\u9996\u5148\uff0c\u5e38\u89c1\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u590d\u5236\u6a21\u578b\u67093\u79cd\uff0c\u5206\u522b\u662f\u4e3b\u4ece\u590d\u5236\u6a21\u578b\u3001\u591a\u4e3b\u590d\u5236\u6a21\u578b\u4ee5\u53ca\u65e0\u4e3b\u590d\u5236\u6a21\u578b\u3002\u6b64\u5916\uff0c\u590d\u5236\u4ece\u5ba2\u6237\u7aef\u7684\u65f6\u6548\u6027\u6765\u8bf4\u5206\u4e3a\u540c\u6b65\u590d\u5236&&\u5f02\u6b65\u590d\u5236\uff0c\u5f02\u6b65\u590d\u5236\u5177\u6709\u6ede\u540e\u6027\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u4e0d\u4e00\u81f4\uff0c\u4f1a\u5e26\u6765\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\u3002<\/p>\n

\u6b64\u5916\uff0c\u7b2c\u4e00\u7bc7\u6587\u7ae0\u7528\u4e86\u201c\u8001\u677f\u5b89\u6392\u4eba\u5e72\u6d3b\u201d\u7684\u4f8b\u5b50\u6bd4\u55bb\u4e86\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7279\u6709\u7684\u6311\u6218\uff0c\u5373\u90e8\u5206\u5931\u6548\u4ee5\u53ca\u4e0d\u53ef\u9760\u7684\u65f6\u949f\u95ee\u9898\u3002\u8fd9\u7ed9\u5206\u5e03\u5f0f\u7cfb\u7edf\u8bbe\u8ba1\u5e26\u6765\u4e86\u5f88\u5927\u7684\u56f0\u6270\u3002\u4f3c\u4e4e\u5728\u6ca1\u6709\u673a\u5236\u505a\u4fdd\u8bc1\u7684\u60c5\u51b5\u4e0b\uff0c\u4e00\u4e2a\u6734\u7d20\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u4ec0\u4e48\u4e8b\u60c5\u90fd\u505a\u4e0d\u4e86\u3002<\/p>\n

\u5728\u4e0a\u4e00\u7bc7\u7684\u6700\u540e\uff0c\u6211\u4eec\u5bf9\u5206\u5e03\u5f0f\u7cfb\u7edf\u7cfb\u7edf\u6a21\u578b\u505a\u4e86\u4e00\u4e9b\u5047\u8bbe\uff0c\u8fd9\u4e9b\u5047\u8bbe\u5bf9\u7ed9\u51fa\u540e\u9762\u7684\u89e3\u51b3\u65b9\u6848\u5176\u5b9e\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9996\u5148\u9488\u5bf9\u90e8\u5206\u5931\u6548\uff0c\u662f\u6211\u4eec\u9700\u8981\u5bf9\u7cfb\u7edf\u7684\u8d85\u65f6\u8fdb\u884c\u5047\u8bbe\uff0c\u4e00\u822c\u6211\u4eec\u5047\u8bbe\u4e3a\u534a\u540c\u6b65\u6a21\u578b\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e00\u822c\u60c5\u51b5\u4e0b\u5ef6\u8fdf\u90fd\u975e\u5e38\u6b63\u5e38\uff0c\u4e00\u65e6\u53d1\u751f\u6545\u969c\uff0c\u5ef6\u8fdf\u4f1a\u53d8\u5f97\u504f\u5dee\u975e\u5e38\u5927\u3002\u53e6\u5916\uff0c\u5bf9\u4e8e\u8282\u70b9\u5931\u6548\uff0c\u6211\u4eec\u901a\u5e38\u5728\u8bbe\u8ba1\u7cfb\u7edf\u65f6\u5047\u8bbe\u4e3a\u5d29\u6e83-\u6062\u590d\u6a21\u578b\u3002\u6700\u540e\uff0c\u9762\u5bf9\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u4e24\u4e2a\u4fdd\u8bc1Safty\u548cLiveness\uff0c\u6211\u4eec\u4f18\u5148\u4fdd\u8bc1\u7cfb\u7edf\u662fSafety\uff0c\u4e5f\u5c31\u662f\u5b89\u5168\uff1b\u800cLiveness\uff08\u6d3b\u6027\uff09\u901a\u5e38\u5728\u67d0\u4e9b\u524d\u63d0\u4e0b\u624d\u53ef\u4ee5\u6ee1\u8db3\u3002<\/p>\n

2. \u672c\u6587\u7b80\u4ecb<\/h2>\n

\u901a\u8fc7\u7b2c\u4e00\u7bc7\u6587\u7ae0\uff0c\u6211\u4eec\u77e5\u9053\u4e86\u7559\u5f85\u6211\u4eec\u89e3\u51b3\u7684\u95ee\u9898\u6709\u54ea\u4e9b\u3002\u90a3\u4e48\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u5c06\u5206\u522b\u6839\u636e\u6211\u4eec\u7684\u5047\u8bbe\u53bb\u89e3\u51b3\u4e0a\u8ff0\u7684\u6311\u6218\u3002\u8fd9\u4e9b\u4fdd\u8bc1\u63aa\u65bd\u5305\u62ec\u4e8b\u52a1\u3001\u4e00\u81f4\u6027\u4ee5\u53ca\u5171\u8bc6\u3002\u63a5\u4e0b\u6765\u8bb2\u4ecb\u7ecd\u5b83\u4eec\u7684\u4f5c\u7528\u4ee5\u53ca\u5185\u5728\u8054\u7cfb\uff0c\u7136\u540e\u6211\u4eec\u518d\u56de\u8fc7\u5934\u6765\u5ba1\u89c6\u4e00\u4e0bKafka\u590d\u5236\u90e8\u5206\u7684\u8bbe\u8ba1\uff0c\u770b\u770b\u4e00\u4e2a\u5b9e\u9645\u7684\u7cfb\u7edf\u5728\u8bbe\u8ba1\u4e0a\u662f\u5426\u771f\u7684\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u90a3\u4e9b\u5957\u8def\uff0c\u6700\u540e\u4ecb\u7ecd\u4e1a\u754c\u9a8c\u8bc1\u5206\u5e03\u5f0f\u7b97\u6cd5\u7684\u4e00\u4e9b\u5de5\u5177\u548c\u6846\u67b6\u3002\u63a5\u4e0b\u6765\uff0c\u7ee7\u7eed\u6211\u4eec\u7684\u6570\u636e\u590d\u5236\u4e4b\u65c5\u5427\uff01<\/p>\n

3. \u4e8b\u52a1&\u5916\u90e8\u4e00\u81f4\u6027<\/h2>\n

\u8bf4\u5230\u4e8b\u52a1\uff0c\u76f8\u4fe1\u5927\u5bb6\u90fd\u80fd\u7b80\u5355\u8bf4\u51fa\u4e2a\u4e00\u4e8c\u6765\uff0c\u9996\u5148\u80fd\u672c\u80fd\u505a\u51fa\u53cd\u5e94\u51fa\u7684\uff0c\u5e94\u8be5\u5c31\u662f\u6240\u8c13\u7684\u201cACID\u201d\u7279\u6027\u4e86\uff0c\u8fd8\u6709\u5404\u79cd\u5404\u6837\u7684\u9694\u79bb\u7ea7\u522b\u3002\u662f\u7684\uff0c\u5b83\u4eec\u786e\u5b9e\u90fd\u662f\u4e8b\u52a1\u9700\u8981\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n

\u5728\u8fd9\u4e00\u7ae0\u4e2d\uff0c\u6211\u4eec\u4f1a\u66f4\u52a0\u6709\u6761\u7406\u5730\u7406\u89e3\u4e0b\u5b83\u4eec\u4e4b\u95f4\u7684\u5185\u5728\u8054\u7cfb\uff0c\u8be6\u7ec6\u770b\u4e00\u770b\u4e8b\u52a1\u7a76\u7adf\u8981\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898\u3002\u5728\u300aDDIA\u300b\u4e00\u4e66\u4e2d\u6709\u975e\u5e38\u591a\u5173\u4e8e\u6570\u636e\u5e93\u4e8b\u52a1\u7684\u5177\u4f53\u5b9e\u73b0\u7ec6\u8282\uff0c\u4f46\u672c\u6587\u4e2d\u4f1a\u5f31\u5316\u5b83\u4eec\uff0c\u6bd5\u7adf\u672c\u6587\u4e0d\u60f3\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u8bbe\u8ba1\u4e00\u6b3e\u6570\u636e\u5e93\uff0c\u6211\u4eec\u53ea\u9700\u63a2\u7a76\u95ee\u9898\u7684\u672c\u8eab\uff0c\u7b49\u771f\u6b63\u5bfb\u627e\u89e3\u51b3\u65b9\u6848\u65f6\u518d\u53bb\u8be6\u7ec6\u770b\u8bbe\u8ba1\uff0c\u6548\u679c\u53ef\u80fd\u4f1a\u66f4\u597d\u3002\u4e0b\u9762\u6211\u4eec\u6b63\u5f0f\u5f00\u59cb\u4ecb\u7ecd\u4e8b\u52a1\u3002<\/p>\n

3.1 \u4e8b\u52a1\u7684\u4ea7\u751f<\/h3>\n

\u7cfb\u7edf\u4e2d\u53ef\u80fd\u4f1a\u9762\u4e34\u4e0b\u9762\u7684\u95ee\u9898\uff1a<\/p>\n

    \n
  1. \u7a0b\u5e8f\u4f9d\u6258\u7684\u64cd\u4f5c\u7cfb\u7edf\u5c42\uff0c\u786c\u4ef6\u5c42\u53ef\u80fd\u968f\u65f6\u90fd\u4f1a\u53d1\u751f\u6545\u969c\uff08\u5305\u62ec\u4e00\u4e2a\u64cd\u4f5c\u6267\u884c\u5230\u4e00\u534a\u65f6\uff09\u3002<\/li>\n
  2. \u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u968f\u65f6\u53d1\u751f\u6545\u969c\uff08\u5305\u62ec\u64cd\u4f5c\u6267\u884c\u5230\u4e00\u534a\u65f6\uff09\u3002<\/li>\n
  3. \u7f51\u7edc\u4e2d\u65ad\u53ef\u80fd\u968f\u65f6\u4f1a\u53d1\u751f\uff0c\u5b83\u4f1a\u5207\u65ad\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u7684\u94fe\u63a5\u6216\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u94fe\u63a5\u3002<\/li>\n
  4. \u591a\u4e2a\u5ba2\u6237\u7aef\u53ef\u80fd\u4f1a\u540c\u65f6\u8bbf\u95ee\u670d\u52a1\u7aef\uff0c\u5e76\u4e14\u66f4\u65b0\u7edf\u4e00\u6279\u6570\u636e\uff0c\u5bfc\u81f4\u6570\u636e\u4e92\u76f8\u8986\u76d6\uff08\u4e34\u754c\u533a\uff09\u3002<\/li>\n
  5. \u5ba2\u6237\u7aef\u53ef\u80fd\u4f1a\u8bfb\u5230\u8fc7\u671f\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u4e0a\u9762\u8bf4\u7684\uff0c\u53ef\u80fd\u64cd\u4f5c\u6267\u884c\u4e00\u534a\u5e94\u7528\u7a0b\u5e8f\u5c31\u6302\u4e86\u3002<\/li>\n<\/ol>\n

    \u5047\u8bbe\u4e0a\u8ff0\u95ee\u9898\u90fd\u4f1a\u51fa\u73b0\u5728\u6211\u4eec\u5bf9\u4e8e\u5b58\u50a8\u7cfb\u7edf\uff08\u6216\u8005\u6570\u636e\u5e93\uff09\u7684\u8bbf\u95ee\u4e2d\uff0c\u8fd9\u6837\u6211\u4eec\u5728\u5f00\u53d1\u81ea\u5df1\u5e94\u7528\u7a0b\u5e8f\u7684\u540c\u65f6\uff0c\u8fd8\u9700\u8981\u989d\u5916\u4ed8\u51fa\u5f88\u5927\u4ee3\u4ef7\u5904\u7406\u8fd9\u4e9b\u95ee\u9898\u3002\u4e8b\u52a1\u7684\u6838\u5fc3\u4f7f\u547d\u5c31\u662f\u5c1d\u8bd5\u5e2e\u6211\u4eec\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u63d0\u4f9b\u4e86\u4ece\u5b83\u81ea\u5df1\u5c42\u9762\u6240\u770b\u5230\u7684\u5b89\u5168\u6027\u4fdd\u8bc1\uff0c\u8ba9\u6211\u4eec\u5728\u8bbf\u95ee\u5b58\u50a8\u7cfb\u7edf\u65f6\u53ea\u4e13\u6ce8\u6211\u4eec\u672c\u8eab\u7684\u5199\u5165\u548c\u67e5\u8be2\u903b\u8f91\uff0c\u800c\u975e\u8fd9\u4e9b\u989d\u5916\u590d\u6742\u7684\u5f02\u5e38\u5904\u7406\u3002\u800c\u8bf4\u8d77\u89e3\u51b3\u65b9\u5f0f\uff0c\u6b63\u662f\u901a\u8fc7\u5b83\u90a3\u5927\u540d\u9f0e\u9f0e\u7684ACID\u7279\u6027\u6765\u8fdb\u884c\u4fdd\u8bc1\u7684\u3002<\/p>\n

    3.2 \u4e0d\u538c\u5176\u70e6\u2014\u2014ACID\u7279\u6027<\/h3>\n

    \u8fd9\u56db\u4e2a\u7f29\u5199\u6240\u7ec4\u6210\u7684\u7279\u6027\u76f8\u4fe1\u5927\u5bb6\u5df2\u5f62\u6210\u672c\u80fd\u53cd\u5e94\uff0c\u4e0d\u8fc7\u300aDDIA\u300b\u4e00\u4e66\u4e2d\u7ed9\u51fa\u7684\u5b9a\u4e49\u786e\u5b9e\u66f4\u52a0\u6709\u5229\u4e8e\u6211\u4eec\u66f4\u52a0\u6e05\u6670\u5730\u7406\u89e3\u5b83\u4eec\u95f4\u7684\u5173\u7cfb\uff0c\u4e0b\u9762\u5c06\u5206\u522b\u8fdb\u884c\u8bf4\u660e\uff1a<\/p>\n

    A\uff1a\u539f\u5b50\u6027(Atomicity)<\/strong>\uff1a\u539f\u5b50\u6027\u5b9e\u9645\u63cf\u8ff0\u7684\u662f\u540c\u4e00\u4e2a\u5ba2\u6237\u7aef\u5bf9\u4e8e\u591a\u4e2a\u64cd\u4f5c\u4e4b\u95f4\u7684\u9650\u5236\uff0c\u8fd9\u91cc\u7684\u539f\u5b50\u8868\u793a\u7684\u662f\u4e0d\u53ef\u5206\u5272\uff0c\u539f\u5b50\u6027\u7684\u6548\u679c\u662f\uff0c\u5047\u8bbe\u6709\u64cd\u4f5c\u96c6\u5408{A,B,C,D,E}\uff0c\u6267\u884c\u540e\u7684\u7ed3\u679c\u5e94\u8be5\u548c\u5355\u4e2a\u5ba2\u6237\u7aef\u6267\u884c\u4e00\u4e2a\u64cd\u4f5c\u7684\u6548\u679c\u76f8\u540c\u3002\u4ece\u8fd9\u4e2a\u9650\u5236\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff1a<\/p>\n

      \n
    1. \u5bf9\u4e8e\u64cd\u4f5c\u672c\u8eab\uff0c\u5c31\u7b97\u53d1\u751f\u4efb\u4f55\u6545\u969c\uff0c\u6211\u4eec\u4e5f\u4e0d\u80fd\u770b\u5230\u4efb\u4f55\u8fd9\u4e2a\u64cd\u4f5c\u96c6\u4e2d\u95f4\u7684\u7ed3\u679c\uff0c\u6bd4\u5982\u64cd\u4f5c\u6267\u884c\u5230C\u65f6\u53d1\u751f\u4e86\u6545\u969c\uff0c\u4f46\u662f\u4e8b\u52a1\u5e94\u8be5\u91cd\u8bd5\uff0c\u76f4\u5230\u6211\u4eec\u9700\u8981\u7b49\u5230\u6267\u884c\u5b8c\u4e4b\u540e\uff0c\u8981\u4e48\u6211\u4eec\u5e94\u8be5\u6062\u590d\u5230\u6267\u884cA\u4e4b\u524d\u7684\u7ed3\u679c\u3002<\/li>\n
    2. \u5bf9\u4e8e\u64cd\u4f5c\u4f5c\u7528\u7684\u670d\u52a1\u7aef\u800c\u8a00\uff0c\u51fa\u73b0\u4efb\u4f55\u6545\u969c\uff0c\u6211\u4eec\u7684\u64cd\u4f5c\u4e0d\u5e94\u8be5\u5bf9\u670d\u52a1\u7aef\u4ea7\u751f\u4efb\u4f55\u7684\u526f\u4f5c\u7528\uff0c\u53ea\u6709\u8fd9\u6837\u5ba2\u6237\u7aef\u624d\u80fd\u5b89\u5168\u7684\u91cd\u8bd5\uff0c\u5426\u5219\uff0c\u5982\u679c\u6bcf\u6b21\u91cd\u8bd5\u90fd\u4f1a\u5bf9\u670d\u52a1\u7aef\u4ea7\u751f\u526f\u4f5c\u7528\uff0c\u5ba2\u6237\u7aef\u662f\u4e0d\u6562\u4e00\u76f4\u5b89\u5168\u7684\u91cd\u8bd5\u7684\u3002<\/li>\n<\/ol>\n

      \u56e0\u6b64\uff0c\u5bf9\u4e8e\u539f\u5b50\u6027\u800c\u8a00\uff0c\u4e66\u4e2d\u63cf\u8ff0\u8bf4\u7684\u662f\u80fd\u5728\u6267\u884c\u53d1\u751f\u5f02\u5e38\u65f6\u4e22\u5f03\uff0c\u53ef\u4ee5\u76f4\u63a5\u7ec8\u6b62\uff0c\u4e14\u4e0d\u4f1a\u5bf9\u670d\u52a1\u7aef\u4ea7\u751f\u4efb\u4f55\u526f\u4f5c\u7528\uff0c\u53ef\u4ee5\u5b89\u5168\u7684\u91cd\u8bd5\uff0c\u539f\u5b50\u6027\u4e5f\u6210\u4e3a\u201c\u53ef\u7ec8\u6b62\u6027\u201d\u3002<\/p>\n

      C\uff1a\u4e00\u81f4\u6027\uff08Consistency\uff09<\/strong>\uff1a\u8fd9\u4e2a\u540d\u8bcd\u6709\u592a\u591a\u7684\u91cd\u8f7d\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u5728\u4e0d\u540c\u8bed\u5883\u4e2d\u542b\u4e49\u4f1a\u622a\u7136\u4e0d\u540c\uff0c\u4f46\u53ef\u80fd\u53c8\u6709\u8054\u7cfb\uff0c\u8fd9\u5c31\u53ef\u80fd\u8ba9\u6211\u4eec\u9677\u5165\u6df7\u4e71\uff0c\u6bd4\u5982\uff1a<\/p>\n

        \n
      1. \u6570\u636e\u590d\u5236\u65f6\uff0c\u526f\u672c\u95f4\u5177\u6709\u4e00\u81f4\u6027\uff0c\u8fd9\u4e2a\u4e00\u81f4\u6027\u5e94\u8be5\u6307\u4e0a\u4e00\u7ae0\u4e2d\u63d0\u5230\u7684\u4e0d\u540c\u526f\u672c\u72b6\u6001\u7684\u4e00\u81f4\u3002<\/li>\n
      2. \u4e00\u81f4\u6027Hash\uff0c\u8fd9\u662f\u4e00\u79cd\u5206\u533a\u7b97\u6cd5\uff0c\u4e2a\u4eba\u7406\u89e3\u662f\u4e3a\u4e86\u80fd\u591f\u5728\u5404\u79cd\u60c5\u51b5\u4e0b\u8fd9\u4e2aHash\u7b97\u6cd5\u90fd\u53ef\u4ee5\u4ee5\u4e00\u81f4\u7684\u65b9\u5f0f\u53d1\u6325\u4f5c\u7528\u3002<\/li>\n
      3. CAP\u5b9a\u7406\u4e2d\u7684\u4e00\u81f4\u6027\u6307\u7684\u662f\u540e\u9762\u8981\u4ecb\u7ecd\u7684\u4e00\u4e2a\u7279\u6b8a\u7684\u5185\u90e8\u4e00\u81f4\u6027\uff0c\u79f0\u4e3a\u201c\u7ebf\u6027\u4e00\u81f4\u6027\u201d\u3002<\/li>\n
      4. \u6211\u4eec\u7a0d\u540e\u8981\u4ecb\u7ecdACID\u4e2d\u7684\u4e00\u81f4\u6027\uff0c\u6307\u7684\u662f\u7a0b\u5e8f\u7684\u67d0\u4e9b\u201c\u4e0d\u53d8\u5f0f\u201d\uff0c\u6216\u201c\u826f\u597d\u72b6\u6001\u201d\u3002<\/li>\n<\/ol>\n

        \u6211\u4eec\u9700\u8981\u533a\u5206\u4e0d\u540c\u8bed\u5883\u4e2d\u4e00\u81f4\u6027\u6240\u8868\u8fbe\u542b\u4e49\u7684\u533a\u522b\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u770b\u5b8c\u4eca\u5929\u7684\u5206\u4eab\uff0c\u80fd\u66f4\u597d\u5730\u5e2e\u52a9\u5927\u5bb6\u8bb0\u4f4f\u8fd9\u4e9b\u533a\u522b\u3002\u8bdd\u8bf4\u56de\u6765\uff0c\u8fd9\u91cc\u7684\u4e00\u81f4\u6027\u6307\u7684\u662f\u5bf9\u4e8e\u6570\u636e\u4e00\u7ec4\u7279\u5b9a\u9648\u8ff0\u5fc5\u987b\u6210\u7acb\uff0c\u5373\u201c\u4e0d\u53d8\u5f0f\u201d\uff0c\u8fd9\u91cc\u6709\u70b9\u7c7b\u4f3c\u4e8e\u7b97\u6cd5\u4e2d\u7684\u201c\u5faa\u73af\u4e0d\u53d8\u5f0f\u201d\uff0c\u5373\u5f53\u5916\u754c\u73af\u5883\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u8fd9\u4e2a\u4e0d\u53d8\u5f0f\u4e00\u5b9a\u9700\u8981\u6210\u7acb\u3002<\/p>\n

        \u4e66\u4e2d\u5f3a\u8c03\uff0c\u8fd9\u4e2a\u91cc\u9762\u7684\u4e00\u81f4\u6027\u66f4\u591a\u9700\u8981\u7528\u6237\u7684\u5e94\u7528\u7a0b\u5e8f\u6765\u4fdd\u8bc1\uff0c\u56e0\u4e3a\u53ea\u6709\u7528\u6237\u77e5\u9053\u6240\u8c13\u7684\u4e0d\u53d8\u5f0f\u662f\u4ec0\u4e48\u3002\u8fd9\u91cc\u4e3e\u4e00\u4e2a\u7b80\u5355\u7684\u5c0f\u4f8b\u5b50\uff0c\u4f8b\u5982\u6211\u4eec\u5f80Kafka\u4e2dappend\u6d88\u606f\uff0c\u5176\u4e2d\u6709\u4e24\u6761\u6d88\u606f\u5185\u5bb9\u90fd\u662f2\uff0c\u5982\u679c\u6ca1\u6709\u989d\u5916\u7684\u4fe1\u606f\u65f6\uff0c\u6211\u4eec\u4e5f\u4e0d\u77e5\u9053\u5230\u5e95\u662f\u5ba2\u6237\u7aef\u56e0\u4e3a\u6545\u969c\u91cd\u8bd5\u53d1\u4e86\u4e24\u6b21\uff0c\u8fd8\u662f\u771f\u7684\u5c31\u6709\u4e24\u6761\u4e00\u6a21\u4e00\u6837\u7684\u6570\u636e\u3002<\/p>\n

        \u5982\u679c\u60f3\u8fdb\u884c\u533a\u5206\uff0c\u53ef\u4ee5\u5728\u7528\u6237\u7a0b\u5e8f\u6d88\u8d39\u540e\u8d70\u81ea\u5b9a\u4e49\u7684\u53bb\u91cd\u903b\u8f91\uff0c\u4e5f\u53ef\u4ee5\u4eceKafka\u81ea\u8eab\u51fa\u53d1\uff0c\u5ba2\u6237\u7aef\u53d1\u9001\u65f6\u589e\u52a0\u4e00\u4e2a\u201c\u53d1\u53f7\u201d\u73af\u8282\u6807\u660e\u6d88\u606f\u7684\u552f\u4e00\u6027\uff08\u9ad8\u7248\u672c\u4e2dKafka\u4e8b\u52a1\u7684\u5b9e\u73b0\u5927\u81f4\u601d\u8def\uff09\u8fd9\u6837\u5f15\u64ce\u672c\u8eab\u5c31\u5177\u5907\u4e86\u4e00\u5b9a\u7684\u81ea\u5df1\u8bbe\u7f6e\u201c\u4e0d\u53d8\u5f0f\u201d\u7684\u80fd\u529b\u3002\u4e0d\u8fc7\u5982\u679c\u662f\u66f4\u590d\u6742\u7684\u60c5\u51b5\uff0c\u8fd8\u662f\u9700\u8981\u7528\u6237\u7a0b\u5e8f\u548c\u8c03\u7528\u670d\u52a1\u672c\u8eab\u5171\u540c\u7ef4\u62a4\u3002<\/p>\n

        I\uff1a\u9694\u79bb\u6027\uff08Isolation\uff09<\/strong>\uff1a\u9694\u79bb\u6027\u5b9e\u9645\u4e0a\u662f\u4e8b\u52a1\u7684\u91cd\u5934\u620f\uff0c\u4e5f\u662f\u95e8\u9053\u6700\u591a\u7684\u4e00\u73af\uff0c\u56e0\u4e3a\u9694\u79bb\u6027\u89e3\u51b3\u7684\u95ee\u9898\u662f\u591a\u4e2a\u4e8b\u52a1\u4f5c\u7528\u4e8e\u540c\u4e00\u4e2a\u6216\u8005\u540c\u4e00\u6279\u6570\u636e\u65f6\u7684\u5e76\u53d1\u95ee\u9898\u3002\u4e00\u63d0\u5230\u5e76\u53d1\u95ee\u9898\uff0c\u6211\u4eec\u5c31\u77e5\u9053\u8fd9\u4e00\u5b9a\u4e0d\u662f\u4e2a\u7b80\u5355\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u5e76\u53d1\u7684\u672c\u8d28\u662f\u65f6\u5e8f\u7684\u4e0d\u786e\u5b9a\u6027\uff0c\u5f53\u8fd9\u4e9b\u4e0d\u786e\u5b9a\u65f6\u5e8f\u7684\u4f5c\u7528\u57df\u6709\u4e00\u5b9a\u51b2\u7a81\uff08Race\uff09\u65f6\u5c31\u53ef\u80fd\u4f1a\u5f15\u53d1\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u8fd9\u4e00\u70b9\u548c\u591a\u7ebf\u7a0b\u7f16\u7a0b\u662f\u7c7b\u4f3c\u7684\uff0c\u4f46\u8fd9\u91cc\u9762\u7684\u64cd\u4f5c\u8fdc\u6bd4\u4e00\u6761\u8ba1\u7b97\u673a\u6307\u4ee4\u65f6\u95f4\u957f\u5f97\u591a\uff0c\u6240\u4ee5\u95ee\u9898\u4f1a\u66f4\u4e25\u91cd\u800c\u4e14\u66f4\u591a\u6837\u3002<\/p>\n

        \u8fd9\u91cc\u7ed9\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u4f8b\u6765\u76f4\u89c2\u611f\u53d7\u4e0b\uff0c\u5982\u4e0b\u56fe\u5c55\u793a\u4e86\u4e24\u4e2a\u5ba2\u6237\u7aef\u5e76\u53d1\u7684\u4fee\u6539DB\u4e2d\u7684\u4e00\u4e2acounter\uff0c\u7531\u4e8eUser2\u7684get counter\u53d1\u751f\u7684\u65f6\u523b\u5728User1\u66f4\u65b0\u7684\u8fc7\u7a0b\u4e2d\uff0c\u56e0\u6b64\u8bfb\u5230\u7684counter\u662f\u4e2a\u65e7\u503c\uff0c\u540c\u6837User2\u66f4\u65b0\u4e5f\u7c7b\u4f3c\uff0c\u6240\u4ee5\u6700\u540e\u5e94\u8be5\u9884\u671fcounter\u503c\u4e3a44\uff0c\u7ed3\u679c\u4e24\u4e2a\u4eba\u770b\u5230\u7684counter\u90fd\u662f43\uff08\u7c7b\u4f3c\u4e24\u4e2a\u7ebf\u7a0b\u540c\u65f6\u505avalue++\uff09\u3002<\/p>\n

        \u4e00\u4e2a\u5b8c\u7f8e\u7684\u4e8b\u52a1\u9694\u79bb\uff0c\u5728\u6bcf\u4e2a\u4e8b\u52a1\u770b\u6765\uff0c\u6574\u4e2a\u7cfb\u7edf\u53ea\u6709\u81ea\u5df1\u5728\u5de5\u4f5c\uff0c\u5bf9\u4e8e\u6574\u4e2a\u7cfb\u7edf\u800c\u8a00\u8fd9\u4e9b\u5e76\u53d1\u7684\u4e8b\u52a1\u4e00\u4e2a\u63a5\u4e00\u4e2a\u7684\u6267\u884c\uff0c\u4e5f\u4eff\u4f5b\u53ea\u6709\u4e00\u4e2a\u4e8b\u52a1\uff0c\u8fd9\u6837\u7684\u9694\u79bb\u6210\u4e3a\u201c\u53ef\u5e8f\u5217\u5316\uff08Serializability\uff09\u201d\u3002\u5f53\u7136\uff0c\u8fd9\u6837\u7684\u9694\u79bb\u7ea7\u522b\u4f1a\u5e26\u6765\u5de8\u5927\u7684\u5f00\u9500\uff0c\u56e0\u6b64\u51fa\u73b0\u4e86\u5404\u79cd\u5404\u6837\u7684\u9694\u79bb\u7ea7\u522b\uff0c\u8fdb\u800c\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u7684\u9700\u8981\u3002\u540e\u6587\u4f1a\u8be6\u7ec6\u4ecb\u7ecd\u4e0d\u540c\u7684\u9694\u79bb\u7ea7\u522b\u6240\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n

        \"\u56fe1<\/p>\n

        D\uff1a\u6301\u4e45\u6027\uff08Durability\uff09<\/strong>\uff1a\u8fd9\u4e2a\u7279\u6027\u770b\u4f3c\u6bd4\u8f83\u597d\u7406\u89e3\uff0c\u5c31\u4e00\u70b9\uff0c\u53ea\u8981\u4e8b\u52a1\u5b8c\u6210\uff0c\u4e0d\u7ba1\u53d1\u751f\u4efb\u4f55\u95ee\u9898\uff0c\u90fd\u4e0d\u5e94\u8be5\u53d1\u751f\u6570\u636e\u4e22\u5931\u3002\u4ece\u7406\u8bba\u4e0a\u8bb2\uff0c\u5982\u679c\u662f\u5355\u673a\u6570\u636e\u5e93\uff0c\u8d77\u7801\u6570\u636e\u5df2\u88ab\u5199\u5165\u975e\u6613\u5931\u6027\u5b58\u50a8\uff08\u81f3\u5c11\u5df2\u843dWAL\uff09\uff0c\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u6570\u636e\u88ab\u590d\u5236\u5230\u4e86\u5404\u4e2a\u526f\u672c\u4e0a\uff0c\u5e76\u53d7\u5230\u526f\u672cAck\u3002\u4f46\u5b9e\u9645\u60c5\u51b5\u4e0b\uff0c\u4e5f\u672a\u5fc5\u5c31\u4e00\u5b9a\u80fd\u4fdd\u8bc1100%\u7684\u6301\u4e45\u6027\u3002\u8fd9\u91cc\u9762\u7684\u60c5\u51b5\u4e66\u4e2d\u6709\u8be6\u7ec6\u7684\u4ecb\u7ecd\uff0c\u8fd9\u91cc\u5c31\u4e0d\u505a\u91cd\u590d\u7684Copy\u5de5\u4f5c\u4e86\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e8b\u52a1\u6240\u4fdd\u8bc1\u7684\u6301\u4e45\u6027\u4e00\u822c\u90fd\u662f\u67d0\u79cd\u6743\u8861\u4e0b\u7684\u7ed3\u679c\u3002<\/p>\n

        \u4e0a\u9762\u56db\u4e2a\u7279\u6027\u4e2d\uff0c\u5b9e\u9645\u4e0a\u5bf9\u4e8e\u9694\u79bb\u6027\u7684\u95ee\u9898\uff0c\u53ef\u80fd\u662f\u95ee\u9898\u6700\u591a\u6837\u7684\uff0c\u4e5f\u662f\u6700\u4e3a\u590d\u6742\u7684\u3002\u56e0\u4e3a\u4e00\u5473\u5f3a\u8c03\u201c\u5e8f\u5217\u5316\u201d\u53ef\u80fd\u4f1a\u5e26\u6765\u4e0d\u53ef\u63a5\u53d7\u7684\u6027\u80fd\u5f00\u9500\u3002\u56e0\u6b64\uff0c\u4e0b\u6587\u5c06\u91cd\u70b9\u4ecb\u7ecd\u4e00\u4e9b\u6bd4\u53ef\u5e8f\u5217\u5316\u66f4\u5f31\u7684\u9694\u79bb\u7ea7\u522b\u3002<\/p>\n

        3.3 \u4e8b\u52a1\u6309\u64cd\u4f5c\u5bf9\u8c61\u7684\u5212\u5206&&\u5b89\u5168\u7684\u63d0\u4ea4\u91cd\u8bd5<\/h3>\n

        \u5728\u4ecb\u7ecd\u540e\u9762\u5185\u5bb9\u524d\uff0c\u6709\u4e24\u4ef6\u4e8b\u9700\u8981\u4e8b\u5148\u505a\u4e0b\u5f3a\u8c03\uff0c\u5206\u522b\u662f\u4e8b\u52a1\u64cd\u4f5c\u7684\u5bf9\u8c61\u4ee5\u53ca\u4e8b\u52a1\u7684\u63d0\u4ea4\u4e0e\u91cd\u8bd5\uff0c\u5206\u4e3a\u5355\u5bf9\u8c61&&\u591a\u5bf9\u8c61\u3002<\/p>\n

        \u5355\u5bf9\u8c61\u5199\u5165<\/strong>\uff1a\u8fd9\u79cd\u4e66\u4e2d\u7ed9\u51fa\u4e86\u4e24\u79cd\u6848\u4f8b\u3002<\/p>\n

          \n
        1. \n

          \u7b2c\u4e00\u4e2a\u662f\u5355\u4e2a\u4e8b\u7269\u6267\u884c\u4e00\u4e2a\u957f\u65f6\u95f4\u7684\u5199\u5165\uff0c\u4f8b\u5982\u5199\u5165\u4e00\u4e2a20KB\u7684JSON\u5bf9\u8c61\uff0c\u5047\u8bbe\u5199\u523010KB\u65f6\u65ad\u6389\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f<\/p>\n

          a. \u6570\u636e\u5e93\u662f\u5426\u4f1a\u5b58\u572810KB\u6ca1\u6cd5\u89e3\u6790\u7684\u810f\u6570\u636e\u3002
          b. \u5982\u679c\u6062\u590d\u4e4b\u540e\u6570\u662f\u5426\u80fd\u63a5\u7740\u7ee7\u7eed\u5199\u5165\u3002
          c. \u53e6\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bfb\u53d6\u8fd9\u4e2a\u6587\u6863\uff0c\u662f\u5426\u80fd\u591f\u770b\u5230\u6062\u590d\u540e\u7684\u6700\u65b0\u503c\uff0c\u8fd8\u662f\u8bfb\u5230\u4e00\u5806\u4e71\u7801\u3002<\/p>\n<\/li>\n

        2. \u53e6\u4e00\u79cd\u5219\u662f\u7c7b\u4f3c\u4e0a\u56fe\u4e2dCounter\u505a\u81ea\u589e\u7684\u529f\u80fd\u3002<\/li>\n<\/ol>\n

          \u8fd9\u79cd\u4e8b\u52a1\u7684\u89e3\u51b3\u65b9\u6cd5\u4e00\u822c\u662f\u901a\u8fc7\u65e5\u5fd7\u56de\u653e\uff08\u539f\u5b50\u6027\uff09\u3001\u9501\uff08\u9694\u79bb\u6027\uff09\u3001CAS\uff08\u9694\u79bb\u6027\uff09\u7b49\u65b9\u5f0f\u6765\u8fdb\u884c\u4fdd\u8bc1\u3002<\/p>\n

          \u591a\u5bf9\u8c61\u4e8b\u52a1<\/strong>\uff1a\u8fd9\u7c7b\u4e8b\u52a1\u5b9e\u9645\u4e0a\u662f\u6bd4\u8f83\u590d\u6742\u7684\uff0c\u6bd4\u5982\u53ef\u80fd\u5728\u67d0\u4e9b\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u64cd\u4f5c\u7684\u5bf9\u8c61\u53ef\u80fd\u4f1a\u8de8\u7ebf\u7a0b\u3001\u8de8\u8fdb\u7a0b\u3001\u8de8\u5206\u533a\uff0c\u751a\u81f3\u8de8\u7cfb\u7edf\u3002\u8fd9\u5c31\u610f\u5473\u7740\uff0c\u6211\u4eec\u9762\u4e34\u7684\u95ee\u9898\u591a\u4e8e\u4e0a\u4e00\u7bc7\u6587\u7ae0\u63d0\u5230\u7684\u90a3\u4e9b\u5206\u5e03\u5f0f\u7cfb\u7edf\u7279\u6709\u7684\u95ee\u9898\uff0c\u5904\u7406\u90a3\u4e9b\u95ee\u9898\u663e\u7136\u8981\u66f4\u590d\u6742\u3002\u6709\u4e9b\u7cfb\u7edf\u5e72\u8106\u628a\u8fd9\u79cd\u201c\u9505\u201d\u7529\u7ed9\u7528\u6237\uff0c\u8ba9\u5e94\u7528\u7a0b\u5e8f\u81ea\u5df1\u6765\u5904\u7406\u95ee\u9898\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u81ea\u5df1\u5904\u7406\u56e0\u6ca1\u6709\u539f\u5b50\u6027\u5e26\u6765\u7684\u4e2d\u95f4\u7ed3\u679c\u95ee\u9898\uff0c\u56e0\u4e3a\u6ca1\u6709\u9694\u79bb\u6027\u5e26\u6765\u7684\u5e76\u53d1\u95ee\u9898\u3002\u5f53\u7136\uff0c\u4e5f\u6709\u4e9b\u7cfb\u7edf\u5b9e\u73b0\u4e86\u8fd9\u4e9b\u6240\u8c13\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u540e\u6587\u4e2d\u4f1a\u4ecb\u7ecd\u5177\u4f53\u7684\u5b9e\u73b0\u624b\u6bb5\u3002<\/p>\n

          \u53e6\u4e00\u4e2a\u9700\u8981\u7279\u522b\u5f3a\u8c03\u7684\u70b9\u662f\u91cd\u8bd5\uff0c\u4e8b\u52a1\u7684\u4e00\u4e2a\u6838\u5fc3\u7279\u6027\u5c31\u662f\u5f53\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u5b89\u5168\u7684\u8fdb\u884c\u91cd\u8bd5\uff0c\u5e76\u4e14\u4e0d\u4f1a\u5bf9\u670d\u52a1\u7aef\u6709\u4efb\u4f55\u526f\u4f5c\u7528\uff0c\u5bf9\u4e8e\u4f20\u7edf\u7684\u771f\u7684\u5b9e\u73b0ACID\u7684\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u5c31\u5e94\u8be5\u9075\u5faa\u8fd9\u6837\u7684\u8bbe\u8ba1\u8bed\u4e49\u3002\u4f46\u5728\u5b9e\u9645\u5b9e\u8df5\u65f6\uff0c\u5982\u4f55\u4fdd\u8bc1\u4e0a\u9762\u8bf4\u7684\u80fd\u591f\u201c\u5b89\u5168\u7684\u91cd\u8bd5\u201d\u5462\uff1f\u4e66\u4e2d\u7ed9\u51fa\u4e86\u4e00\u4e9b\u53ef\u80fd\u53d1\u751f\u7684\u95ee\u9898\u548c\u89e3\u51b3\u624b\u6bb5\uff1a<\/p>\n

            \n
          1. \u5047\u8bbe\u4e8b\u52a1\u63d0\u4ea4\u6210\u529f\u4e86\uff0c\u4f46\u670d\u52a1\u7aefAck\u7684\u65f6\u5019\u53d1\u751f\u4e86\u7f51\u7edc\u6545\u969c\uff0c\u6b64\u65f6\u5982\u679c\u5ba2\u6237\u7aef\u53d1\u8d77\u91cd\u8bd5\uff0c\u5982\u679c\u6ca1\u6709\u989d\u5916\u7684\u624b\u6bb5\uff0c\u5c31\u4f1a\u53d1\u751f\u6570\u636e\u91cd\u590d\uff0c\u8fd9\u5c31\u9700\u8981\u670d\u52a1\u7aef\u6216\u5e94\u7528\u7a0b\u5e8f\u81ea\u5df1\u63d0\u4f9b\u80fd\u591f\u533a\u5206\u6d88\u606f\u552f\u4e00\u6027\u7684\u989d\u5916\u5c5e\u6027\uff08\u670d\u52a1\u7aef\u5185\u7f6e\u7684\u4e8b\u52a1ID\u6216\u8005\u4e1a\u52a1\u81ea\u8eab\u7684\u5c5e\u6027\u5b57\u6bb5\uff09\u3002<\/li>\n
          2. \u7531\u4e8e\u8d1f\u8f7d\u592a\u5927\u5bfc\u81f4\u4e86\u4e8b\u52a1\u63d0\u4ea4\u5931\u8d25\uff0c\u8fd9\u662f\u8d38\u7136\u91cd\u8bd5\u4f1a\u52a0\u91cd\u7cfb\u7edf\u7684\u8d1f\u62c5\uff0c\u8fd9\u65f6\u53ef\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u4e00\u4e9b\u9650\u5236\uff0c\u4f8b\u5982\u91c7\u7528\u6307\u6570\u9000\u907f\u7684\u65b9\u5f0f\uff0c\u6216\u9650\u5236\u4e00\u4e9b\u91cd\u8bd5\u6b21\u6570\uff0c\u653e\u5165\u5ba2\u6237\u7aef\u81ea\u5df1\u7cfb\u7edf\u6240\u5c5e\u7684\u961f\u5217\u7b49\u3002<\/li>\n
          3. \u5728\u91cd\u8bd5\u524d\u8fdb\u884c\u5224\u65ad\uff0c\u5c3d\u5728\u53d1\u751f\u4e34\u65f6\u6027\u9519\u8bef\u65f6\u91cd\u8bd5\uff0c\u5982\u679c\u5e94\u7528\u5df2\u7ecf\u8fdd\u53cd\u4e86\u67d0\u4e9b\u5b9a\u4e49\u597d\u7684\u7ea6\u675f\uff0c\u90a3\u8fd9\u6837\u7684\u91cd\u8bd5\u5c31\u6beb\u65e0\u610f\u4e49\u3002<\/li>\n
          4. \u5982\u679c\u4e8b\u52a1\u662f\u591a\u5bf9\u8c61\u64cd\u4f5c\uff0c\u5e76\u4e14\u53ef\u80fd\u5728\u7cfb\u7edf\u4e2d\u53d1\u751f\u526f\u4f5c\u7528\uff0c\u90a3\u5c31\u9700\u8981\u7c7b\u4f3c\u201c\u4e24\u9636\u6bb5\u63d0\u4ea4\u201d\u8fd9\u6837\u7684\u673a\u5236\u6765\u5b9e\u73b0\u4e8b\u52a1\u63d0\u4ea4\u3002<\/li>\n<\/ol>\n

            3.4 \u5f31\u9694\u79bb\u7ea7\u522b<\/h3>\n

            \u4e8b\u52a1\u9694\u79bb\u8981\u89e3\u51b3\u7684\u662f\u5e76\u53d1\u95ee\u9898\uff0c\u5e76\u53d1\u95ee\u9898\u9700\u8981\u8ba8\u8bba\u4e24\u4e2a\u95ee\u9898\u65f6\u5e8f\u4e0e\u7ade\u4e89\uff0c\u5f80\u5f80\u7531\u4e8e\u4e8b\u7269\u4e4b\u95f4\u7684\u64cd\u4f5c\u5bf9\u8c61\u6709\u7ade\u4e89\u5173\u7cfb\uff0c\u5e76\u4e14\u53c8\u56e0\u4e3a\u5e76\u53d1\u4e8b\u52a1\u4e4b\u95f4\u4e0d\u786e\u5b9a\u7684\u65f6\u5e8f\u5173\u7cfb\uff0c\u4f1a\u5bfc\u81f4\u8fd9\u4e9b\u6240\u64cd\u4f5c\u7684\u6709\u7ade\u4e89\u5173\u7cfb\u7684\u5bf9\u8c61\u4f1a\u51fa\u73b0\u5404\u79cd\u5947\u602a\u7684\u7ed3\u679c\u3002<\/p>\n

            \u6240\u8c13\u4e0d\u540c\u7684\u9694\u79bb\u7ea7\u522b\uff0c\u5c31\u662f\u8bd5\u56fe\u53bb\u7528\u4e0d\u540c\u7684\u5f00\u9500\u6765\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u4e0b\u5bf9\u4e8e\u65f6\u5e8f\u8981\u6c42\u7684\u4e25\u683c\u7a0b\u5ea6\u3002\u6211\u4eec\u53ef\u80fd\u4e0d\u4e00\u5b9a\u77e5\u9053\u5177\u4f53\u600e\u4e48\u5b9e\u73b0\u8fd9\u4e9b\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff0c\u4f46\u6bcf\u4e2a\u9694\u79bb\u7ea7\u522b\u89e3\u51b3\u7684\u95ee\u9898\u672c\u8eab\u6211\u4eec\u5e94\u8be5\u975e\u5e38\u6e05\u6670\uff0c\u8fd9\u6837\u624d\u4e0d\u4f1a\u5728\u5404\u79cd\u9694\u79bb\u7ea7\u522b\u548c\u5f00\u9500\u4e2d\u6bd4\u8f83\u8f7b\u677e\u7684\u505a\u6743\u8861\u3002\u8fd9\u91cc\uff0c\u6211\u4eec\u4e0d\u76f4\u63a5\u50cf\u4e66\u4e2d\u4e00\u6837\u5217\u4e3e\u9694\u79bb\u7ea7\u522b\uff0c\u6211\u4eec\u9996\u5148\u9610\u8ff0\u5e76\u53d1\u4e8b\u52a1\u53ef\u80fd\u4ea7\u751f\u7684\u95ee\u9898\uff0c\u7136\u540e\u518d\u53bb\u4ecb\u7ecd\u6bcf\u79cd\u9694\u79bb\u7ea7\u522b\u5206\u522b\u80fd\u591f\u89e3\u51b3\u90a3\u4e9b\u95ee\u9898\u3002<\/p>\n

            \u810f\u8bfb<\/h4>\n

            \u6240\u8c13\u810f\u8bfb\uff0c\u6307\u7684\u5c31\u662f\u7528\u6237\u80fd\u4e0d\u80fd\u770b\u5230\u4e00\u4e2a\u8fd8\u6ca1\u6709\u63d0\u4ea4\u4e8b\u52a1\u7684\u7ed3\u679c\uff0c\u5982\u679c\u662f\uff0c\u5c31\u662f\u810f\u8bfb\u3002\u4e0b\u56fe\u5c55\u793a\u4e86\u6ca1\u6709\u810f\u8bfb\u5e94\u8be5\u6ee1\u8db3\u4ec0\u4e48\u6837\u7684\u627f\u8bfa\uff0cUser1\u7684\u4e00\u4e2a\u4e8b\u52a1\u5206\u522b\u8bbe\u7f6ex=3\u3001y=3\uff0c\u4f46\u5728\u8fd9\u4e2a\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u524d\uff0cUser2\u5728\u8c03\u7528get x\u65f6\uff0c\u9700\u8981\u8fd4\u56de2\uff0c\u56e0\u4e3a\u6b64\u65f6User1\u5e76\u6ca1\u6709\u63d0\u4ea4\u4e8b\u52a1\u3002<\/p>\n

            \"\u56fe2<\/p>\n

            \u9632\u6b62\u810f\u8bfb\u7684\u610f\u4e49\uff1a<\/p>\n

              \n
            1. \u5982\u679c\u662f\u5355\u5bf9\u8c61\u4e8b\u52a1\uff0c\u5ba2\u6237\u7aef\u4f1a\u770b\u5230\u4e00\u4e2a\u4e00\u4f1a\u5373\u5c06\u53ef\u80fd\u88ab\u56de\u6eda\u7684\u503c\uff0c\u5982\u679c\u6211\u9700\u8981\u4f9d\u636e\u8fd9\u4e2a\u503c\u505a\u51b3\u7b56\uff0c\u5c31\u5f88\u6709\u53ef\u80fd\u4f1a\u51fa\u73b0\u51b3\u7b56\u9519\u8bef\u3002<\/li>\n
            2. \u5982\u679c\u662f\u591a\u5bf9\u8c61\u4e8b\u52a1\uff0c\u53ef\u80fd\u5ba2\u6237\u7aef\u5bf9\u4e8e\u4e0d\u540c\u7cfb\u7edf\u505a\u8bbf\u95ee\u65f6\u4e00\u90e8\u5206\u6570\u636e\u66f4\u65b0\uff0c\u4e00\u90e8\u5206\u672a\u66f4\u65b0\uff0c\u90a3\u6837\u7528\u6237\u53ef\u80fd\u4f1a\u4e0d\u77e5\u6240\u63aa\u3002<\/li>\n<\/ol>\n

              \u810f\u5199<\/h4>\n

              \u5982\u679c\u4e00\u4e2a\u5ba2\u6237\u7aef\u8986\u76d6\u4e86\u53e6\u4e00\u4e2a\u5ba2\u6237\u7aef\u5c1a\u672a\u63d0\u4ea4\u7684\u5199\u5165\uff0c\u6211\u4eec\u5c31\u79f0\u8fd9\u6837\u7684\u73b0\u8c61\u4e3a\u810f\u5199\u3002<\/p>\n

              \u8fd9\u91cc\u540c\u6837\u7ed9\u4e2a\u5b9e\u4f8b\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u4e8c\u624b\u8f66\u7684\u4ea4\u6613\uff0c\u9700\u8981\u66f4\u65b0\u4e24\u6b21\u6570\u636e\u5e93\u5b9e\u73b0\uff0c\u4f46\u6709\u4e24\u4e2a\u7528\u6237\u5e76\u53d1\u7684\u8fdb\u884c\u4ea4\u6613\uff0c\u5982\u679c\u50cf\u56fe\u4e2d\u4e00\u6837\u4e0d\u7981\u6b62\u810f\u5199\uff0c\u5c31\u53ef\u80fd\u5b58\u5728\u9500\u552e\u5217\u8868\u663e\u793a\u4ea4\u6613\u5c5e\u4e8eBob\u4f46\u53d1\u7968\u5374\u53d1\u7ed9\u4e86Alice\uff0c\u56e0\u4e3a\u4e24\u4e2a\u4e8b\u52a1\u5bf9\u4e8e\u4e24\u4e2a\u6570\u636e\u7684\u76f8\u540c\u8bb0\u5f55\u4e92\u76f8\u8986\u76d6\u3002<\/p>\n

              \"\u56fe3<\/p>\n

              \u8bfb\u504f\u5dee\uff08\u4e0d\u53ef\u91cd\u590d\u8bfb\uff09<\/h4>\n

              \u76f4\u63a5\u4e0a\u4f8b\u5b50\uff0cAlice\u5728\u4e24\u4e2a\u94f6\u884c\u8d26\u6237\u603b\u5171\u67091000\u5757\uff0c\u6bcf\u4e2a\u8d26\u6237500\uff0c\u73b0\u5728\u5979\u60f3\u4ece\u4e00\u4e2a\u8d26\u6237\u5411\u53e6\u4e00\u4e2a\u8d26\u6237\u8f6c\u8d26100\uff0c\u5e76\u4e14\u5979\u60f3\u4e00\u76f4\u76ef\u7740\u81ea\u5df1\u7684\u4e24\u4e2a\u8d26\u6237\u770b\u770b\u94b1\u662f\u5426\u8f6c\u6210\u529f\u4e86\u3002\u4e0d\u5de7\u7684\u662f\uff0c\u4ed6\u7b2c\u4e00\u6b21\u770b\u8d26\u6237\u7684\u65f6\u5019\u8f6c\u8d26\u8fd8\u6ca1\u53d1\u751f\uff0c\u800c\u6210\u529f\u540e\u53ea\u67e5\u4e86\u4e00\u4e2a\u8d26\u6237\u7684\u503c\uff0c\u6b63\u597d\u5c11\u4e86100\uff0c\u6240\u4ee5\u6700\u540e\u52a0\u8d77\u6765\u4f1a\u89c9\u5f97\u81ea\u5df1\u5c11\u4e86100\u5143\u3002<\/p>\n

              \u5982\u679c\u53ea\u662f\u8fd9\u79cd\u573a\u666f\uff0c\u5176\u5b9e\u53ea\u662f\u4e2a\u4e34\u65f6\u6027\u7684\u73b0\u8c61\uff0c\u540e\u9762\u518d\u67e5\u8be2\u5c31\u4f1a\u5f97\u5230\u6b63\u786e\u7684\u503c\uff0c\u4f46\u662f\u5982\u679c\u57fa\u4e8e\u8fd9\u6837\u7684\u67e5\u8be2\u53bb\u505a\u522b\u7684\u4e8b\u60c5\uff0c\u90a3\u53ef\u80fd\u5c31\u4f1a\u51fa\u73b0\u95ee\u9898\u4e86\uff0c\u6bd4\u5982\u5c06\u8fd9\u4e2a\u8bb0\u5f55Select\u51fa\u6765\u8fdb\u884c\u5907\u4efd\uff0c\u4ee5\u9632DB\u5d29\u6e83\u3002\u4f46\u4e0d\u5de7\u5982\u679c\u540e\u9762\u771f\u7684\u5d29\u6e83\uff0c\u5982\u679c\u57fa\u4e8e\u8fd9\u6b21\u67e5\u8be2\u5230\u7684\u6570\u636e\u505a\u5907\u4efd\uff0c\u90a3\u8fd9100\u5143\u53ef\u80fd\u771f\u7684\u6c38\u4e45\u7684\u4e22\u5931\u4e86\u3002\u5982\u679c\u662f\u8fd9\u6837\u7684\u573a\u666f\uff0c\u4e0d\u53ef\u91cd\u590d\u8bfb\u662f\u4e0d\u80fd\u88ab\u63a5\u53d7\u7684\u3002<\/p>\n

              \"\u56fe4<\/p>\n

              \u66f4\u65b0\u4e22\u5931<\/h4>\n

              \u8fd9\u91cc\u76f4\u63a5\u628a\u4e4b\u524d\u90a3\u4e2a\u4e24\u4e2a\u7528\u6237\u540c\u65f6\u6839\u636e\u65e7\u503c\u66f4\u65b0\u8ba1\u6570\u5668\u7684\u4f8b\u5b50\u642c\u8fc7\u6765\uff0c\u8fd9\u662f\u4e2a\u5178\u578b\u7684\u66f4\u65b0\u4e22\u5931\u95ee\u9898\uff1a<\/p>\n

              \"\u56fe5<\/p>\n

              \u5199\u504f\u5dee && \u5e7b\u8bfb<\/h4>\n

              \u8fd9\u79cd\u95ee\u9898\u63cf\u8ff0\u7684\u662f\uff0c\u4e8b\u52a1\u7684\u5199\u5165\u9700\u8981\u4f9d\u8d56\u4e8e\u4e4b\u524d\u5224\u65ad\u7684\u7ed3\u679c\uff0c\u800c\u8fd9\u4e2a\u7ed3\u679c\u53ef\u80fd\u4f1a\u88ab\u5176\u4ed6\u5e76\u53d1\u4e8b\u52a1\u4fee\u6539\u3002<\/p>\n

              \"\u56fe6<\/p>\n

              \u5b9e\u4f8b\u4e2d\u6709\u4e24\u4e2a\u4ebaAlice\u548cBob\u51b3\u5b9a\u662f\u5426\u53ef\u4ee5\u4f11\u73ed\uff0c\u505a\u8fd9\u4e2a\u51b3\u5b9a\u7684\u524d\u63d0\u662f\u5224\u65ad\u5f53\u524d\u662f\u5426\u6709\u4e24\u4e2a\u4ee5\u4e0a\u7684\u533b\u751f\u6b63\u5728\u503c\u73ed\uff0c\u5982\u679c\u662f\u5219\u81ea\u5df1\u53ef\u4ee5\u5b89\u5168\u7684\u4f11\u73ed\uff0c\u7136\u540e\u4fee\u6539\u503c\u73ed\u533b\u751f\u4fe1\u606f\u3002\u4f46\u7531\u4e8e\u4f7f\u7528\u4e86\u5feb\u7167\u9694\u79bb\uff08\u540e\u9762\u4f1a\u4ecb\u7ecd\uff09\u673a\u5236\uff0c\u4e24\u4e2a\u4e8b\u52a1\u8fd4\u56de\u7684\u7ed3\u679c\u5168\u90fd\u662f2\uff0c\u8fdb\u5165\u4e86\u4fee\u6539\u9636\u6bb5\uff0c\u4f46\u6700\u7ec8\u7684\u7ed3\u679c\u5176\u5b9e\u662f\u8fdd\u80cc\u4e86\u4e24\u540d\u533b\u751f\u503c\u73ed\u7684\u524d\u63d0\u3002<\/p>\n

              \u9020\u6210\u8fd9\u4e2a\u95ee\u9898\u7684\u6839\u672c\u539f\u56e0\u662f\u4e00\u79cd\u6210\u4e3a\u201c\u5e7b\u8bfb\u201d\u7684\u73b0\u8c61\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e24\u4e2a\u5e76\u53d1\u7684\u4e8b\u52a1\uff0c\u5176\u4e2d\u4e00\u4e2a\u4e8b\u52a1\u66f4\u6539\u4e86\u53e6\u4e00\u4e2a\u4e8b\u7269\u7684\u67e5\u8be2\u7ed3\u679c\uff0c\u8fd9\u79cd\u67e5\u8be2\u4e00\u822c\u90fd\u662f\u67e5\u8be2\u4e00\u4e2a\u805a\u5408\u7ed3\u679c\uff0c\u4f8b\u5982\u4e0a\u6587\u4e2d\u7684count\u6216\u8005max\u3001min\u7b49\uff0c\u8fd9\u79cd\u95ee\u9898\u4f1a\u5728\u4e0b\u9762\u573a\u666f\u4e2d\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n

                \n
              • \u62a2\u8ba2\u4f1a\u8bae\u5ba4<\/li>\n
              • \u591a\u4eba\u6e38\u620f\u66f4\u65b0\u4f4d\u7f6e<\/li>\n
              • \u552f\u4e00\u7528\u6237\u540d<\/li>\n<\/ul>\n

                \u4e0a\u9762\u6211\u4eec\u5217\u4e3e\u4e86\u4e8b\u52a1\u5e76\u53d1\u53ef\u80fd\u4ea7\u751f\u7684\u95ee\u9898\uff0c\u4e0b\u9762\u6211\u4eec\u4ecb\u7ecd\u5404\u79cd\u9694\u79bb\u7ea7\u522b\u6240\u80fd\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n\n\n\n\n
                \u9694\u79bb\u7ea7\u522b&&\u7b80\u5355\u5b9e\u73b0\u624b\u6bb5\/\u95ee\u9898<\/th>\n\u810f\u8bfb<\/th>\n\u810f\u5199<\/th>\n\u8bfb\u504f\u5dee<\/th>\n\u66f4\u65b0\u4e22\u5931<\/th>\n\u5199\u504f\u5dee(\u5e7b\u8bfb)<\/th>\n<\/tr>\n<\/thead>\n
                \u8bfb\u5df2\u63d0\u4ea4(\u884c\u9501 or \u8bb0\u4f4f\u65e7\u503c)<\/td>\nY<\/td>\nY<\/td>\nN<\/td>\nN<\/td>\nN<\/td>\n<\/tr>\n
                \u53ef\u91cd\u590d\u8bfb(\u5feb\u7167\u9694\u79bb\uff0cCAS)<\/td>\nY<\/td>\nY<\/td>\nY<\/td>\nMaybe<\/td>\nN<\/td>\n<\/tr>\n
                \u53ef\u4e32\u884c\u5316(2PL\u60b2\u89c2\u9501 or SSI\u4e50\u89c2\u9501)<\/td>\nY<\/td>\nY<\/td>\nY<\/td>\nY<\/td>\nY<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                3.5 \u672c\u7ae0\u5c0f\u7ed3<\/h3>\n

                \u4e8b\u52a1\u7528\u5b83\u7684ACID\u7279\u6027\uff0c\u4e3a\u7528\u6237\u5c4f\u853d\u4e86\u4e00\u4e9b\u9519\u8bef\u7684\u5904\u7406\u3002\u9996\u5148\uff0c\u539f\u5b50\u6027\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u5b89\u5168\u91cd\u8bd5\u7684\u73af\u5883\uff0c\u5e76\u4e14\u4e0d\u4f1a\u5bf9\u76f8\u5e94\u7684\u7cfb\u7edf\u4ea7\u751f\u526f\u4f5c\u7528\u3002\u4e00\u81f4\u6027\u80fd\u591f\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u8ba9\u7a0b\u5e8f\u6ee1\u8db3\u6240\u8c13\u7684\u4e0d\u53d8\u5f0f\uff0c\u9694\u79bb\u6027\u901a\u8fc7\u4e0d\u540c\u7684\u9694\u79bb\u7ea7\u522b\u89e3\u51b3\u4e0d\u540c\u573a\u666f\u4e0b\u7531\u4e8e\u4e8b\u52a1\u5e76\u53d1\u5bfc\u81f4\u7684\u4e0d\u540c\u73b0\u8c61\uff0c\u4e0d\u540c\u7684\u9694\u79bb\u6027\u89e3\u51b3\u7684\u95ee\u9898\u4e0d\u540c\uff0c\u5f00\u9500\u4e5f\u4e0d\u540c\uff0c\u9700\u8981\u7528\u6237\u6309\u9700\u51b3\u7b56\uff0c\u6700\u540e\u6301\u4e45\u6027\u8ba9\u7528\u6237\u5b89\u5fc3\u7684\u628a\u6570\u636e\u5199\u8fdb\u6211\u4eec\u8bbe\u8ba1\u7684\u7cfb\u7edf\u3002<\/p>\n

                \u603b\u4f53\u800c\u8a00\uff0c\u4e8b\u52a1\u4fdd\u8bc1\u7684\u662f\u4e0d\u540c\u64cd\u4f5c\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff0c\u4e00\u4e2a\u6781\u5ea6\u5b8c\u7f8e\u7684\u4e8b\u52a1\u5b9e\u73b0\uff0c\u8ba9\u7528\u6237\u770b\u4e0a\u53bb\u5c31\u53ea\u6709\u4e00\u4e2a\u4e8b\u52a1\u5728\u5de5\u4f5c\uff0c\u6bcf\u6b21\u53ea\u6267\u884c\u4e86\u4e00\u4e2a\u539f\u5b50\u64cd\u4f5c\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u79f0\u4e8b\u52a1\u6240\u89e3\u51b3\u7684\u662f\u64cd\u4f5c\u7684\u4e00\u81f4\u6027\u3002\u8fd9\u4e00\u7ae0\u4e2d\uff0c\u6211\u4eec\u66f4\u591a\u8c08\u8bba\u7684\u8fd8\u662f\u5355\u673a\u8303\u56f4\u7684\u4e8b\u52a1\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f1a\u628a\u95ee\u9898\u9608\u6269\u5927\uff0c\u5b9e\u9645\u4e0a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e5f\u6709\u8fd9\u6837\u7684\u95ee\u9898\uff0c\u5e76\u4e14\u5206\u5e03\u5f0f\u7cfb\u7edf\u8fd8\u6709\u7c7b\u4f3c\u7684\u590d\u5236\u6ede\u540e\u95ee\u9898\uff0c\u5bfc\u81f4\u5c31\u7b97\u770b\u4f3c\u662f\u64cd\u4f5c\u7684\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4e5f\u5b58\u5728\u4e0d\u540c\u7684\u526f\u672c\uff0c\u8fd9\u4f1a\u4f7f\u5f97\u6211\u4eec\u6240\u9762\u5bf9\u7684\u95ee\u9898\u66f4\u52a0\u590d\u6742\u3002\u4e0b\u4e00\u7ae0\uff0c\u6211\u4eec\u91cd\u70b9\u4ecb\u7ecd\u53e6\u4e00\u79cd\u4e00\u81f4\u6027\u95ee\u9898\u4ee5\u53ca\u89e3\u51b3\u3002<\/p>\n

                4. \u5185\u90e8\u4e00\u81f4\u6027\u4e0e\u5171\u8bc6<\/h2>\n

                4.1 \u590d\u5236\u6ede\u540e\u6027\u7684\u95ee\u9898<\/h3>\n

                \u8fd9\u91cc\u6211\u4eec\u9996\u5148\u56de\u5230\u4e0a\u4e00\u7bc7\u4e2d\u8bb2\u7684\u590d\u5236\u7684\u6ede\u540e\u6027\uff0c\u6ede\u540e\u6027\u6240\u5e26\u6765\u7684\u7684\u4e00\u4e2a\u6700\u76f4\u89c2\u7684\u95ee\u9898\u5c31\u662f\uff0c\u5982\u679c\u5728\u590d\u5236\u671f\u95f4\u5ba2\u6237\u7aef\u53d1\u8d77\u8bfb\u8bf7\u6c42\uff0c\u53ef\u80fd\u4e0d\u540c\u7684\u5ba2\u6237\u7aef\u8bfb\u5230\u7684\u6570\u636e\u662f\u4e0d\u4e00\u6837\u7684\u3002\u8fd9\u91cc\u9762\u4e66\u4e2d\u7ed9\u4e86\u4e09\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u4e00\u81f4\u6027\u95ee\u9898\u3002\u6211\u4eec\u5206\u522b\u6765\u770b\u8fd9\u4e9b\u4e8b\u4f8b\uff1a<\/p>\n

                \"\u56fe7<\/p>\n

                \u7b2c\u4e00\u5f20\u56fe\u7ed9\u51fa\u7684\u662f\u4e00\u4e2a\u7528\u6237\u5148\u66f4\u65b0\uff0c\u7136\u540e\u67e5\u770b\u66f4\u65b0\u7ed3\u679c\u7684\u4e8b\u4f8b\uff0c\u6bd4\u5982\u7528\u6237\u5bf9\u67d0\u4e00\u6761\u535a\u5ba2\u4e0b\u505a\u51fa\u4e86\u81ea\u5df1\u7684\u8bc4\u8bba\uff0c\u8be5\u670d\u52a1\u4e2d\u7684DB\u91c7\u7528\u7eaf\u7684\u5f02\u6b65\u590d\u5236\uff0c\u6570\u636e\u5199\u5230\u4e3b\u8282\u70b9\u5c31\u8fd4\u56de\u8bc4\u8bba\u6210\u529f\uff0c\u7136\u540e\u7528\u6237\u60f3\u5237\u65b0\u4e0b\u9875\u9762\u770b\u770b\u81ea\u5df1\u7684\u8bc4\u8bba\u80fd\u5f15\u53d1\u591a\u5927\u7684\u5171\u9e23\u6216\u8ddf\u5e16\uff0c\u8fd9\u662f\u7531\u4e8e\u67e5\u8be2\u5230\u4e86\u4ece\u8282\u70b9\u4e0a\uff0c\u6240\u4ee5\u53d1\u73b0\u521a\u624d\u5199\u7684\u8bc4\u8bba\u201c\u4e0d\u7ffc\u800c\u98de\u201d\u4e86\uff0c\u5982\u679c\u7cfb\u7edf\u80fd\u591f\u907f\u514d\u51fa\u73b0\u4e0a\u9762\u8fd9\u79cd\u60c5\u51b5\uff0c\u6211\u4eec\u79f0\u5b9e\u73b0\u4e86\u201c\u5199\u540e\u8bfb\u4e00\u81f4\u6027\u201d\uff08\u8bfb\u5199\u4e00\u81f4\u6027\uff09\u3002<\/p>\n

                \u4e0a\u9762\u662f\u7528\u6237\u66f4\u65b0\u540e\u67e5\u770b\u7684\u4f8b\u5b50\uff0c\u4e0b\u4e00\u5f20\u56fe\u5219\u5c55\u793a\u4e86\u53e6\u4e00\u79cd\u60c5\u51b5\u3002\u7528\u6237\u540c\u6837\u662f\u5728\u7cfb\u7edf\u4e2d\u5199\u5165\u4e86\u4e00\u6761\u8bc4\u8bba\uff0c\u8be5\u6a21\u5757\u4f9d\u65e7\u91c7\u7528\u4e86\u7eaf\u5f02\u6b65\u590d\u5236\u7684\u65b9\u6cd5\u5b9e\u73b0\uff0c\u6b64\u65f6\u6709\u53e6\u4e00\u4f4d\u7528\u6237\u6765\u770b\uff0c\u9996\u5148\u5237\u65b0\u9875\u9762\u65f6\u770b\u5230\u4e86User1234\u7684\u8bc4\u8bba\uff0c\u4f46\u4e0b\u4e00\u6b21\u5237\u65b0\uff0c\u5219\u8fd9\u6761\u8bc4\u8bba\u53c8\u6d88\u5931\u4e86\uff0c\u597d\u50cf\u65f6\u949f\u51fa\u73b0\u4e86\u56de\u62e8\uff0c\u5982\u679c\u7cfb\u7edf\u80fd\u591f\u4fdd\u8bc1\u4e0d\u4f1a\u8ba9\u8fd9\u79cd\u60c5\u51b5\u51fa\u73b0\uff0c\u8bf4\u660e\u7cfb\u7edf\u5b9e\u73b0\u4e86\u201c\u5355\u8c03\u8bfb\u201d\u4e00\u81f4\u6027\uff08\u6bd4\u5982\u817e\u8baf\u4f53\u80b2\u7684\u6bd4\u5206\u548c\u8be6\u60c5\u9875\uff09\u3002<\/p>\n

                \"\u56fe8<\/p>\n

                \u9664\u4e86\u8fd9\u4e24\u79cd\u60c5\u51b5\u5916\uff0c\u8fd8\u6709\u4e00\u79cd\u60c5\u51b5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

                \"\u56fe9<\/p>\n

                \u8fd9\u4e2a\u95ee\u9898\u4f1a\u6bd4\u524d\u9762\u7684\u4f8b\u5b50\u770b\u4e0a\u53bb\u66f4\u8352\u5510\uff0c\u8fd9\u91cc\u6709\u4e24\u4e2a\u5199\u5165\u5ba2\u6237\u7aef\uff0c\u5176\u4e2dPoons\u95ee\u4e86\u4e2a\u95ee\u9898\uff0c\u7136\u540eCake\u505a\u51fa\u4e86\u56de\u7b54\u3002\u4ece\u987a\u5e8f\u4e0a\uff0cMrsCake\u662f\u770b\u5230Poons\u7684\u95ee\u9898\u4e4b\u540e\u624d\u8fdb\u884c\u7684\u56de\u7b54\uff0c\u4f46\u662f\u95ee\u9898\u4e0e\u56de\u7b54\u6070\u597d\u88ab\u5212\u5206\u5230\u4e86\u6570\u636e\u5e93\u7684\u4e24\u4e2a\u5206\u533a\uff08Partition\uff09\u4e0a\uff0c\u5bf9\u4e8e\u4e0b\u9762\u7684Observer\u800c\u8a00\uff0cPartition1\u7684Leader\u5ef6\u8fdf\u8981\u8fdc\u5927\u4e8ePartition2\u7684\u5ef6\u8fdf\uff0c\u56e0\u6b64\u4eceObserver\u4e0a\u770b\u5230\u7684\u662f\u73b0\u6709\u7b54\u6848\u540e\u6709\u7684\u95ee\u9898\uff0c\u8fd9\u663e\u7136\u662f\u4e00\u4e2a\u8fdd\u53cd\u81ea\u7136\u89c4\u5f8b\u7684\u4e8b\u60c5\uff0c\u5982\u679c\u80fd\u907f\u514d\u8fd9\u79cd\u95ee\u9898\u51fa\u73b0\uff0c\u90a3\u4e48\u53ef\u79f0\u4e3a\u7cfb\u7edf\u5b9e\u73b0\u4e86\u201c\u524d\u7f00\u8bfb\u4e00\u81f4\u6027\u201d\u3002<\/p>\n

                \u5728\u4e0a\u4e00\u7bc7\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e00\u53ef\u4ee5\u68c0\u6d4b\u7c7b\u4f3c\u8fd9\u79cd\u56e0\u679c\u7684\u65b9\u5f0f\uff0c\u4f46\u7efc\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u7531\u4e8e\u590d\u5236\u7684\u6ede\u540e\u6027\uff0c\u5e26\u6765\u7684\u4e00\u4e2a\u540e\u679c\u5c31\u662f\u7cfb\u7edf\u53ea\u662f\u5177\u5907\u4e86\u6700\u7ec8\u4e00\u81f4\u6027\uff0c\u7531\u4e8e\u8fd9\u79cd\u6700\u7ec8\u4e00\u81f4\u6027\uff0c\u4f1a\u5927\u5927\u7684\u5f71\u54cd\u7528\u6237\u7684\u4e00\u4e9b\u4f7f\u7528\u4f53\u9a8c\u3002\u4e0a\u9762\u4e09\u4e2a\u4f8b\u5b50\u867d\u7136\u4ee3\u8868\u4e86\u4e0d\u540c\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u90fd\u6709\u4e00\u4e2a\u5171\u6027\uff0c\u5c31\u662f\u7531\u4e8e\u590d\u5236\u7684\u6ede\u540e\u6027\u5e26\u6765\u7684\u95ee\u9898\u3002\u6240\u8c13\u590d\u5236\uff0c\u90a3\u5c31\u662f\u591a\u4e2a\u5ba2\u6237\u7aef\u751a\u81f3\u662f\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bfb\u5199\u591a\u4e2a\u526f\u672c\u65f6\u6240\u53d1\u751f\u7684\u7684\u95ee\u9898\u3002\u8fd9\u91cc\u6211\u4eec\u5c06\u8fd9\u7c7b\u4e00\u81f4\u6027\u95ee\u9898\u79f0\u4e3a\u201c\u5185\u90e8\u4e00\u81f4\u6027\uff08\u5185\u5b58\u4e00\u81f4\u6027\uff09\u201d\uff0c\u5373\u8868\u5f81\u7531\u4e8e\u591a\u4e2a\u526f\u672c\u8bfb\u5199\u7684\u65f6\u5e8f\u5b58\u5728\u7684\u6570\u636e\u4e0d\u4e00\u81f4\u95ee\u9898\u3002<\/p>\n

                4.2 \u5185\u90e8\u4e00\u81f4\u6027\u6982\u8ff0<\/h3>\n

                \u5b9e\u9645\u4e0a\uff0c\u5185\u90e8\u4e00\u81f4\u6027\u5e76\u4e0d\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u7279\u6709\u7684\u95ee\u9898\uff0c\u5728\u591a\u6838\u9886\u57df\u53c8\u79f0\u5185\u5b58\u4e00\u81f4\u6027\uff0c\u662f\u4e3a\u4e86\u7ea6\u5b9a\u591a\u5904\u7406\u5668\u4e4b\u95f4\u534f\u4f5c\u3002\u5982\u679c\u591a\u5904\u7406\u5668\u95f4\u80fd\u591f\u6ee1\u8db3\u7279\u5b9a\u7684\u4e00\u81f4\u6027\uff0c\u90a3\u4e48\u5c31\u80fd\u5bf9\u591a\u5904\u7406\u5668\u6240\u5904\u7406\u7684\u6570\u636e\uff0c\u64cd\u4f5c\u987a\u5e8f\u505a\u51fa\u4e00\u5b9a\u7684\u627f\u8bfa\uff0c\u5e94\u7528\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u627f\u8bfa\u5bf9\u81ea\u5df1\u7684\u7cfb\u7edf\u505a\u51fa\u5047\u8bbe\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

                \"\u56fe10<\/p>\n

                \u6bcf\u4e2aCPU\u903b\u8f91\u6838\u5fc3\u90fd\u6709\u81ea\u5df1\u7684\u4e00\u5957\u72ec\u7acb\u7684\u5bc4\u5b58\u5668\u548cL1\u3001L2Cache\uff0c\u8fd9\u5c31\u5bfc\u81f4\u5982\u679c\u6211\u4eec\u5728\u5e76\u53d1\u7f16\u7a0b\u65f6\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u5982\u679c\u5bf9\u67d0\u4e2a\u4e3b\u5b58\u5730\u5740\u4e2d\u53d8\u91cf\u8fdb\u884c\u4fee\u6539\uff0c\u53ef\u80fd\u90fd\u662f\u4f18\u5148\u4fee\u6539\u81ea\u5df1\u7684\u7f13\u5b58\uff0c\u5e76\u4e14\u8bfb\u53d6\u53d8\u91cf\u65f6\u540c\u6837\u662f\u4f1a\u5148\u8bfb\u7f13\u5b58\u3002\u8fd9\u5b9e\u9645\u4e0a\u548c\u6211\u4eec\u5728\u5206\u5e03\u5f0f\u4e2d\u591a\u4e2a\u5ba2\u6237\u7aef\u8bfb\u5199\u591a\u4e2a\u526f\u672c\u7684\u73b0\u8c61\u662f\u7c7b\u4f3c\u7684\uff0c\u53ea\u4e0d\u8fc7\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u662f\u64cd\u4f5c\u7c92\u5ea6\uff0c\u800c\u5904\u7406\u5668\u5219\u662f\u6307\u4ee4\u7c92\u5ea6\u3002\u5728\u591a\u5904\u7406\u5668\u7684\u5185\u5b58\u4e00\u81f4\u6027\u4e2d\uff0c\u6709\u4e0b\u9762\u51e0\u79cd\u5e38\u89c1\u7684\u6a21\u578b\u3002<\/p>\n

                \"\u56fe11<\/p>\n

                \u53ef\u4ee5\u770b\u5230\uff0c\u8fd9\u4e9b\u4e00\u81f4\u6027\u7ea6\u675f\u7684\u6838\u5fc3\u533a\u5206\u70b9\u5c31\u662f\u5728\u4ea7\u751f\u5e76\u53d1\u65f6\u5bf9\u987a\u5e8f\u7684\u7ea6\u675f\uff0c\u800c\u7528\u66f4\u4e13\u4e1a\u4e00\u70b9\u7684\u8bcd\u6765\u8bf4\uff0c\u7ebf\u6027\u4e00\u81f4\u6027\u9700\u8981\u7684\u662f\u5b9a\u4e49\u201c\u5168\u5e8f\u201d\uff0c\u800c\u5176\u4ed6\u4e00\u81f4\u6027\u5219\u662f\u67d0\u79cd\u201c\u504f\u5e8f\u201d\uff0c\u4e5f\u5c31\u662f\u8bf4\u5141\u8bb8\u4e00\u4e9b\u5e76\u53d1\u64cd\u4f5c\u95f4\u4e0d\u6bd4\u8f83\u987a\u5e8f\uff0c\u6309\u6240\u6709\u53ef\u80fd\u7684\u6392\u5217\u7ec4\u5408\u6267\u884c\u3002<\/p>\n

                4.3 \u4e3e\u4e00\u53cd\u4e09\uff1a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5185\u90e8\u4e00\u81f4\u6027<\/h3>\n

                \u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

                \"\u56fe12<\/p>\n

                \u5206\u5e03\u5f0f\u4e2d\u7684\u5185\u90e8\u4e00\u81f4\u6027\u4e3b\u8981\u5206\u4e3a4\u5927\u7c7b\uff1a\u7ebf\u6027\u4e00\u81f4\u6027–>\u987a\u5e8f\u4e00\u81f4\u6027–>\u56e0\u679c\u4e00\u81f4\u6027–>\u5904\u7406\u5668\u4e00\u81f4\u6027\uff0c\u800c\u4ece\u504f\u5e8f\u4e0e\u5168\u5e8f\u6765\u5212\u5206\uff0c\u5219\u5212\u5206\u4e3a\u5f3a\u4e00\u81f4\u6027\uff08\u7ebf\u6027\u4e00\u81f4\u6027\uff09\u4e0e\u6700\u7ec8\u4e00\u81f4\u6027\u3002<\/p>\n

                \u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u53ea\u8981\u4e0d\u662f\u5f3a\u4e00\u81f4\u7684\u5185\u90e8\u4e00\u81f4\u6027\uff0c\u4f46\u6700\u7ec8\u4e00\u81f4\u6027\u6ca1\u6709\u4efb\u4f55\u7684\u504f\u5e8f\u4fdd\u969c\u3002\u56fe\u4e2d\u7684\u8fd9\u4e9b\u4e00\u81f4\u6027\u5b9e\u9645\u90fd\u662f\u505a\u4e86\u4e00\u4e9b\u504f\u5e8f\u7684\u9650\u5236\uff0c\u6bd4\u6734\u7d20\u7684\u6700\u7ec8\u4e00\u81f4\u6027\u6709\u66f4\u5f3a\u7684\u4fdd\u8bc1\uff0c\u8fd9\u91cc\u5176\u4ed6\u4e00\u81f4\u6027\u6027\u7684\u5177\u4f53\u5b9e\u4f8b\u8be6\u89c1\u300a\u5927\u6570\u636e\u65e5\u77e5\u5f55\u300b\u7b2c\u4e8c\u7ae0\uff0c\u90a3\u91cc\u9762\u6709\u6bd4\u8f83\u660e\u786e\u5bf9\u4e8e\u8fd9\u4e9b\u4e00\u81f4\u6027\u7684\u8bb2\u89e3\uff0c\u672c\u7ae0\u6211\u4eec\u91cd\u70b9\u5173\u6ce8\u5f3a\u4e00\u81f4\u3002<\/p>\n

                4.4 \u6211\u4eec\u53e3\u4e2d\u7684\u201c\u5f3a\u4e00\u81f4\u6027\u201d\u2014\u2014\u7ebf\u6027\u4e00\u81f4\u6027<\/h3>\n

                \u6ee1\u8db3\u7ebf\u6027\u4e00\u81f4\u6027\u7684\u7cfb\u7edf\u7ed9\u6211\u4eec\u8fd9\u6837\u4e00\u79cd\u611f\u89c9\uff0c\u8fd9\u7cfb\u7edf\u770b\u7740\u53ea\u6709\u4e00\u4e2a\u526f\u672c\uff0c\u8fd9\u6837\u6211\u5c31\u53ef\u4ee5\u653e\u5fc3\u5730\u8bfb\u53d6\u4efb\u4f55\u4e00\u4e2a\u526f\u672c\u4e0a\u7684\u6570\u636e\u6765\u7ee7\u7eed\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u91cc\u8fd8\u662f\u7528\u4e00\u4e2a\u4f8b\u5b50\u6765\u5177\u4f53\u8bf4\u660e\u7ebf\u6027\u4e00\u81f4\u6027\u7684\u7ea6\u675f\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

                \"\u56fe13<\/p>\n

                \u8fd9\u91cc\u6709\u4e09\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u64cd\u4f5c\u4e3b\u952ex\uff0c\u8fd9\u4e2a\u4e3b\u952e\u5728\u4e66\u4e2d\u88ab\u79f0\u4e3a\u5bc4\u5b58\u5668\uff08Register\uff09\uff0c\u5bf9\u8be5\u5bc4\u5b58\u5668\u5b58\u5728\u5982\u4e0b\u51e0\u79cd\u64cd\u4f5c\uff1a<\/p>\n

                  \n
                1. write(x\uff0cv) =>r\u8868\u793a\u5c1d\u8bd5\u66f4\u65b0x\u7684\u503c\u4e3av\uff0c\u8fd4\u56de\u66f4\u65b0\u7ed3\u679cr\u3002<\/li>\n
                2. read(x) => v\u8868\u793a\u8bfb\u53d6x\u7684\u503c\uff0c\u8fd4\u56dex\u7684\u503c\u4e3av\u3002<\/li>\n<\/ol>\n

                  \u5982\u56fe\u4e2d\u6240\u793a\uff0c\u5728C\u66f4\u65b0x\u7684\u503c\u65f6\uff0cA\u548cB\u53cd\u590d\u67e5\u8be2x\u7684\u6700\u65b0\u503c\uff0c\u6bd4\u8f83\u660e\u786e\u7684\u7ed3\u679c\u662f\u7531\u4e8eClientA\u5728ClientC\u66f4\u65b0x\u4e4b\u524d\u8bfb\u53d6\uff0c\u6240\u4ee5\u7b2c\u4e00\u6b21read(x)\u4e00\u5b9a\u4f1a\u4e3a0\uff0c\u800cClientA\u7684\u6700\u540e\u4e00\u6b21\u8bfb\u53d6\u662f\u5728ClientC\u6210\u529f\u66f4\u65b0x\u7684\u503c\u540e\uff0c\u56e0\u6b64\u4e00\u5b9a\u4f1a\u8fd4\u56de1\u3002\u800c\u5269\u4e0b\u7684\u8bfb\u53d6\uff0c\u7531\u4e8e\u4e0d\u786e\u5b9a\u4e0ewrite(x,1)\u7684\u987a\u5e8f\uff08\u5e76\u53d1\uff09\uff0c\u56e0\u6b64\u53ef\u80fd\u4f1a\u8fd4\u56de0\u4e5f\u53ef\u80fd\u8fd4\u56de1\u3002\u5bf9\u4e8e\u7ebf\u6027\u4e00\u81f4\u6027\uff0c\u6211\u4eec\u505a\u4e86\u4e0b\u9762\u7684\u89c4\u5b9a\uff1a<\/p>\n

                  \"\u56fe14<\/p>\n

                  \u5728\u4e00\u4e2a\u7ebf\u6027\u4e00\u81f4\u6027\u7cfb\u7edf\u4e2d\uff0c\u5728\u5199\u64cd\u4f5c\u8c03\u7528\u5230\u8fd4\u56de\u4e4b\u524d\uff0c\u4e00\u5b9a\u6709\u4e00\u4e2a\u65f6\u95f4\u70b9\uff0c\u5ba2\u6237\u7aef\u8c03\u7528read\u80fd\u8bfb\u5230\u65b0\u503c\uff0c\u5728\u8bfb\u5230\u65b0\u503c\u4e4b\u540e\uff0c\u540e\u7eed\u7684\u6240\u6709\u8bfb\u64cd\u4f5c\u90fd\u5e94\u8be5\u8fd4\u56de\u65b0\u503c\u3002\uff08\u5c06\u4e0a\u9762\u56fe\u4e2d\u7684\u64cd\u4f5c\u505a\u4e86\u4e25\u683c\u7684\u987a\u5e8f\uff0c\u53caClientA read->ClientB read->ClientC write-ClientA read->clientB read->clientAread\uff09\u8fd9\u91cc\u4e3a\u4e86\u6e05\u6670\uff0c\u4e66\u4e2d\u505a\u4e86\u8fdb\u4e00\u6b65\u7ec6\u5316\u3002\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u53c8\u589e\u52a0\u4e86\u4e00\u79cd\u64cd\u4f5c\uff1a<\/p>\n

                    \n
                  • cas(x, v_old, v_new)=>r \u53ca\u5982\u679c\u6b64\u65f6\u7684\u503c\u65f6v_old\u5219\u66f4\u65b0x\u7684\u503c\u4e3av_new\uff0c\u8fd4\u56de\u66f4\u65b0\u7ed3\u679c\u3002<\/li>\n<\/ul>\n

                    \u5982\u56fe\uff1a\u6bcf\u6761\u6570\u663e\u4ee3\u8868\u5177\u4f53\u4e8b\u4ef6\u53d1\u751f\u7684\u65f6\u70b9\uff0c\u7ebf\u6027\u4e00\u81f4\u6027\u8981\u6c42\uff1a\u5982\u679c\u8fde\u63a5\u4e0a\u8ff0\u7684\u7ad6\u7ebf\uff0c\u8981\u6c42\u5fc5\u987b\u6309\u7167\u65f6\u95f4\u987a\u5e8f\u5411\u524d\u63a8\u79fb\uff0c\u4e0d\u80fd\u5411\u540e\u56de\u62e8\uff08\u56fe\u4e2d\u7684read(x)=2\u5c31\u4e0d\u6ee1\u8db3\u7ebf\u6027\u5316\u7684\u8981\u6c42\uff0c\u56e0\u4e3ax=2\u5728x=4\u7684\u5de6\u4fa7\uff09\u3002<\/p>\n

                    \"\u56fe15<\/p>\n

                    4.5 \u4ec0\u4e48\u65f6\u5019\u9700\u8981\u4f9d\u8d56\u7ebf\u6027\u5316\uff1f<\/h3>\n

                    \u5982\u679c\u53ea\u662f\u7c7b\u4f3c\u8bba\u575b\u4e2d\u8bc4\u8bba\u7684\u5148\u540e\u987a\u5e8f\uff0c\u6216\u8005\u662f\u4f53\u80b2\u6bd4\u8d5b\u9875\u9762\u5237\u65b0\u9875\u9762\u65f6\u7684\u6765\u56de\u8df3\u53d8\uff0c\u770b\u4e0a\u53bb\u5e76\u4e0d\u4f1a\u6709\u4ec0\u4e48\u81f4\u547d\u7684\u5371\u5bb3\u3002\u4f46\u5728\u67d0\u4e9b\u573a\u666f\u4e2d\uff0c\u5982\u679c\u7cfb\u7edf\u4e0d\u662f\u7ebf\u6027\u7684\u53ef\u80fd\u4f1a\u9020\u6210\u66f4\u4e25\u91cd\u7684\u540e\u679c\u3002<\/p>\n

                      \n
                    1. \u52a0\u9501&&\u9009\u4e3b<\/strong>\uff1a\u5728\u4e3b\u4ece\u590d\u5236\u6a21\u578b\u4e0b\uff0c\u9700\u8981\u6709\u4e00\u4e2a\u660e\u786e\u7684\u4e3b\u8282\u70b9\u53bb\u63a5\u6536\u6240\u6709\u5199\u8bf7\u6c42\uff0c\u8fd9\u79cd\u9009\u4e3b\u64cd\u4f5c\u4e00\u822c\u4f1a\u91c7\u7528\u52a0\u9501\u5b9e\u73b0\uff0c\u5982\u679c\u6211\u4eec\u4f9d\u8d56\u7684\u9501\u670d\u52a1\u4e0d\u652f\u6301\u7ebf\u6027\u5316\u7684\u5b58\u50a8\uff0c\u90a3\u5c31\u53ef\u80fd\u51fa\u73b0\u8df3\u53d8\u5bfc\u81f4\u201c\u8111\u88c2\u201d\u73b0\u8c61\u7684\u53d1\u751f\uff0c\u8fd9\u79cd\u73b0\u8c61\u662f\u7edd\u5bf9\u4e0d\u80fd\u63a5\u53d7\u7684\u3002\u56e0\u6b64\u9488\u5bf9\u9009\u4e3b\u573a\u666f\u6240\u4f9d\u8d56\u7684\u5206\u5e03\u5f0f\u9501\u670d\u52a1\u7684\u5b58\u50a8\u6a21\u5757\u4e00\u5b9a\u9700\u8981\u6ee1\u8db3\u7ebf\u6027\u4e00\u81f4\u6027\uff08\u4e00\u822c\u800c\u8a00\uff0c\u5143\u6570\u636e\u7684\u5b58\u50a8\u4e5f\u9700\u8981\u7ebf\u6027\u5316\u5b58\u50a8\uff09\u3002<\/li>\n
                    2. \u7ea6\u675f\u4e0e\u552f\u4e00\u6027\u4fdd\u8bc1<\/strong>\uff1a\u8fd9\u79cd\u573a\u666f\u4e5f\u662f\u663e\u800c\u6613\u89c1\u7684\uff0c\u6bd4\u5982\u552f\u4e00ID\u3001\u4e3b\u952e\u3001\u540d\u79f0\u7b49\u7b49\uff0c\u5982\u679c\u6ca1\u6709\u8fd9\u79cd\u7ebf\u6027\u5316\u5b58\u50a8\u627f\u8bfa\u7684\u4e25\u683c\u7684\u987a\u5e8f\uff0c\u5c31\u5f88\u5bb9\u6613\u6253\u7834\u552f\u4e00\u6027\u7ea6\u675f\u5bfc\u81f4\u5f88\u591a\u5947\u602a\u7684\u73b0\u8c61\u548c\u540e\u679c\u3002<\/li>\n
                    3. \u8de8\u901a\u9053\uff08\u7cfb\u7edf\uff09\u7684\u65f6\u95f4\u4f9d\u8d56<\/strong>\uff1a\u9664\u4e86\u540c\u4e00\u7cfb\u7edf\u4e2d\uff0c\u53ef\u80fd\u670d\u52a1\u6a2a\u8de8\u4e0d\u540c\u7cfb\u7edf\uff0c\u5bf9\u4e8e\u67d0\u4e2a\u64cd\u4f5c\u5bf9\u4e8e\u4e0d\u540c\u7cfb\u7edf\u95f4\u7684\u65f6\u5e8f\u4e5f\u9700\u8981\u6709\u9650\u5236\uff0c\u4e66\u4e2d\u4e3e\u4e86\u8fd9\u6837\u4e00\u4e2a\u4f8b\u5b50\u3002<\/li>\n<\/ol>\n

                      \"\u56fe16<\/p>\n

                      \u6bd4\u5982\u7528\u6237\u4e0a\u4f20\u56fe\u7247\uff0c\u7c7b\u4f3c\u540e\u7aef\u5b58\u50a8\u670d\u52a1\u53ef\u80fd\u4f1a\u6839\u636e\u5168\u5c3a\u5bf8\u56fe\u7247\u751f\u6210\u4f4e\u50cf\u7d20\u56fe\u7247\uff0c\u4ee5\u4fbf\u589e\u52a0\u7528\u6237\u670d\u52a1\u4f53\u9a8c\uff0c\u4f46\u7531\u4e8eMQ\u4e0d\u9002\u5408\u53d1\u9001\u56fe\u7247\u8fd9\u79cd\u5927\u7684\u5b57\u8282\u6d41\uff0c\u56e0\u6b64\u5168\u5c3a\u5bf8\u56fe\u7247\u662f\u76f4\u63a5\u53d1\u7ed9\u540e\u7aef\u5b58\u50a8\u670d\u52a1\u7684\uff0c\u800c\u622a\u53d6\u56fe\u7247\u5219\u662f\u901a\u8fc7MQ\u5728\u540e\u53f0\u5f02\u6b65\u6267\u884c\u7684\uff0c\u8fd9\u5c31\u9700\u89812\u4e2d\u4e0a\u4f20\u7684\u6587\u4ef6\u5b58\u50a8\u670d\u52a1\u662f\u4e2a\u53ef\u7ebf\u6027\u5316\u7684\u5b58\u50a8\u3002\u5982\u679c\u4e0d\u662f\uff0c\u5728\u751f\u6210\u4f4e\u5206\u8fa8\u7387\u56fe\u50cf\u65f6\u53ef\u80fd\u4f1a\u627e\u4e0d\u5230\uff0c\u6216\u8bfb\u53d6\u5230\u534a\u5f20\u56fe\u7247\uff0c\u8fd9\u80af\u5b9a\u4e0d\u662f\u6211\u4eec\u5e0c\u671b\u770b\u5230\u7684\u3002<\/p>\n

                      \u7ebf\u6027\u5316\u4e0d\u662f\u907f\u514d\u7ade\u4e89\u7684\u552f\u4e00\u65b9\u6cd5\uff0c\u4e0e\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u4e00\u6837\uff0c\u5bf9\u5e76\u53d1\u987a\u5e8f\u7684\u8981\u6c42\uff0c\u53ef\u80fd\u4f1a\u6839\u636e\u573a\u666f\u4e0d\u540c\u6709\u4e0d\u540c\u7684\u4e25\u683c\u7a0b\u5ea6\u3002\u8fd9\u4e5f\u5c31\u8bde\u751f\u4e86\u4e0d\u540c\u7ea7\u522b\u7684\u5185\u90e8\u4e00\u81f4\u6027\u7ea7\u522b\uff0c\u4e0d\u540c\u7684\u7ea7\u522b\u4e5f\u540c\u6837\u5bf9\u5e94\u7740\u4e0d\u540c\u7684\u5f00\u9500\uff0c\u9700\u8981\u7528\u6237\u81ea\u884c\u51b3\u7b56\u3002<\/p>\n

                      4.6 \u5b9e\u73b0\u7ebf\u6027\u5316\u7cfb\u7edf<\/h3>\n

                      \u8bf4\u660e\u4e86\u7ebf\u6027\u5316\u7cfb\u7edf\u7684\u7528\u5904\uff0c\u4e0b\u9762\u6211\u4eec\u6765\u8003\u8651\u5982\u4f55\u5b9e\u73b0\u8fd9\u6837\u7684\u7ebf\u6027\u5316\u7cfb\u7edf\u3002<\/p>\n

                      \u6839\u636e\u4e0a\u6587\u5bf9\u7ebf\u6027\u5316\u7684\u5b9a\u4e49\u53ef\u77e5\uff0c\u8fd9\u6837\u7cfb\u7edf\u5bf9\u5916\u770b\u8d77\u6765\u5c31\u50cf\u53ea\u6709\u4e00\u4e2a\u526f\u672c\uff0c\u90a3\u4e48\u6700\u5bb9\u6613\u60f3\u5230\u7684\u65b9\u5f0f\u5c31\u662f\uff0c\u5e72\u8106\u5c31\u7528\u4e00\u4e2a\u526f\u672c\u3002\u4f46\u8fd9\u53c8\u4e0d\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u521d\u8877\uff0c\u5f88\u5927\u4e00\u90e8\u5206\u7528\u591a\u526f\u672c\u662f\u4e3a\u4e86\u505a\u5bb9\u9519\u7684\uff0c\u591a\u526f\u672c\u7684\u5b9e\u73b0\u65b9\u5f0f\u662f\u590d\u5236\uff0c\u90a3\u4e48\u6211\u4eec\u6765\u770b\u770b\uff0c\u4e0a\u4e00\u7bc7\u5206\u4eab\u4e2d\u90a3\u4e9b\u5e38\u89c1\u7684\u590d\u5236\u65b9\u5f0f\u662f\u5426\u53ef\u4ee5\u5b9e\u73b0\u7ebf\u6027\u7cfb\u7edf\uff1a<\/p>\n

                        \n
                      1. \u4e3b\u4ece\u590d\u5236\uff08\u90e8\u5206\u80fd\u5b9e\u73b0\uff09\uff1a\u5982\u679c\u4f7f\u7528\u540c\u6b65\u590d\u5236\uff0c\u90a3\u6837\u7cfb\u7edf\u786e\u5b9e\u662f\u7ebf\u6027\u5316\u7684\uff0c\u4f46\u6709\u4e00\u4e9b\u6781\u7aef\u60c5\u51b5\u53ef\u80fd\u4f1a\u8fdd\u53cd\u7ebf\u6027\u5316\uff0c\u6bd4\u5982\u7531\u4e8e\u6210\u5458\u53d8\u66f4\u8fc7\u7a0b\u4e2d\u7684\u201c\u8111\u88c2\u201d\u95ee\u9898\u5bfc\u81f4\u6d88\u8d39\u5f02\u5e38\uff0c\u6216\u8005\u5982\u679c\u6211\u4eec\u4f7f\u7528\u5f02\u6b65\u590d\u5236\u6545\u969c\u5207\u6362\u65f6\u4f1a\u540c\u65f6\u8fdd\u53cd\u4e8b\u52a1\u7279\u6027\u4e2d\u7684\u6301\u4e45\u5316\u548c\u5185\u90e8\u4e00\u81f4\u6027\u4e2d\u7684\u7ebf\u6027\u5316\u3002<\/li>\n
                      2. \u5171\u8bc6\u7b97\u6cd5\uff08\u7ebf\u6027\u5316\uff09\uff1a\u5171\u8bc6\u7b97\u6cd5\u5728\u540e\u6587\u4f1a\u91cd\u70b9\u4ecb\u7ecd\uff0c\u5b83\u4e0e\u4e3b\u4ece\u590d\u5236\u7c7b\u4f3c\uff0c\u4f46\u901a\u8fc7\u66f4\u4e25\u683c\u7684\u534f\u5546\u673a\u5236\u5b9e\u73b0\uff0c\u53ef\u4ee5\u5728\u4e3b\u4ece\u590d\u5236\u7684\u57fa\u7840\u4e0a\u907f\u514d\u4e00\u4e9b\u53ef\u80fd\u51fa\u73b0\u7684\u201c\u8111\u88c2\u201d\u7b49\u95ee\u9898\uff0c\u53ef\u4ee5\u6bd4\u8f83\u5b89\u5168\u7684\u5b9e\u73b0\u7ebf\u6027\u5316\u5b58\u50a8\u3002<\/li>\n
                      3. \u591a\u4e3b\u590d\u5236\uff08\u4e0d\u80fd\u7ebf\u6027\u5316\uff09\u3002<\/li>\n
                      4. \u65e0\u4e3b\u590d\u5236\uff08\u53ef\u80fd\u4e0d\u80fd\u7ebf\u6027\u5316\uff09\uff1a\u4e3b\u8981\u53d6\u51b3\u4e8e\u5177\u4f53Quorum\u7684\u914d\u7f6e\uff0c\u5bf9\u5f3a\u4e00\u81f4\u7684\u5b9a\u4e49\uff0c\u4e0b\u56fe\u7ed9\u4e86\u4e00\u79cd\u867d\u7136\u6ee1\u8db3\u4e25\u683c\u7684Quorum\uff0c\u4f46\u4f9d\u7136\u65e0\u6cd5\u6ee1\u8db3\u7ebf\u6027\u5316\u7684\u4f8b\u5b50\u3002<\/li>\n<\/ol>\n

                        \"\u56fe17<\/p>\n

                        \u5b9e\u73b0\u7ebf\u6027\u5316\u7684\u4ee3\u4ef7\u2014\u2014\u662f\u65f6\u5019\u767b\u573a\u4e86\uff0cCAP\u7406\u8bba<\/h4>\n

                        \u5728\u4e0a\u4e00\u6b21\u5206\u4eab\u4e2d\uff0c\u6211\u4eec\u8bb2\u8fc7\uff0c\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7f51\u7edc\u7684\u4e0d\u53ef\u9760\u6027\uff0c\u800c\u4e00\u65e6\u7f51\u7edc\u65ad\u5f00\uff08P\uff09\uff0c\u526f\u672c\u95f4\u4e00\u5b9a\u4f1a\u5bfc\u81f4\u72b6\u6001\u65e0\u6cd5\u8fbe\u5230\u7ebf\u6027\u4e00\u81f4\uff0c\u8fd9\u65f6\u5019\u5230\u5e95\u662f\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u4f46\u53ef\u80fd\u5f97\u5230\u65e7\u503c\uff08A\uff09\uff0c\u8fd8\u662f\u6b7b\u7b49\u7f51\u7edc\u6062\u590d\u4fdd\u8bc1\u72b6\u6001\u7684\u7ebf\u6027\u4e00\u81f4\u5462\uff08C\uff09\uff0c\u8fd9\u5c31\u662f\u8457\u540d\u7684CAP\u4e86\u3002<\/p>\n

                        \u4f46\u662f\u5176\u5b9eCAP\u7406\u8bba\u7684\u5b9a\u4e49\u9762\u8fd8\u662f\u6bd4\u8f83\u7a84\u7684\uff0c\u5176\u4e2dC\u53ea\u662f\u7ebf\u6027\u4e00\u81f4\u6027\uff0cP\u53ea\u4ee3\u8868\u7f51\u7edc\u5206\u533a\uff08\u5f7b\u5e95\u65ad\u5f00\uff0c\u800c\u4e0d\u662f\u5ef6\u8fdf\uff09\uff0c\u8fd9\u91cc\u9762\u5b9e\u9645\u6709\u76f8\u5f53\u591a\u7684\u6298\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5b8c\u5168\u6ee1\u8db3\u6211\u4eec\u7cfb\u7edf\u7684\u9700\u6c42\u4e86\uff0c\u6240\u4ee5\u4e0d\u8981\u8ff7\u4fe1\u8fd9\u4e2a\u7406\u8bba\uff0c\u8fd8\u662f\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5b9e\u9645\u60c5\u51b5\u53bb\u505a\u5206\u6790\u3002<\/p>\n

                        \u5c42\u5c42\u9012\u8fdb–\u5b9e\u73b0\u7ebf\u6027\u5316\u7cfb\u7edf<\/h4>\n

                        \u4ece\u5bf9\u7ebf\u6027\u4e00\u81f4\u6027\u7684\u5b9a\u4e49\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\uff0c\u987a\u5e8f\u7684\u68c0\u6d4b\u662f\u5b9e\u73b0\u7ebf\u6027\u5316\u7cfb\u7edf\u7684\u5173\u952e\uff0c\u8fd9\u91cc\u6211\u4eec\u8ddf\u7740\u4e66\u4e2d\u7684\u601d\u8def\u4e00\u6b65\u6b65\u5730\u6765\u770b\uff1a\u6211\u4eec\u600e\u4e48\u80fd\u5bf9\u8fd9\u4e9b\u5e76\u53d1\u7684\u4e8b\u52a1\u5b9a\u4e49\u51fa\u5b83\u4eec\u7684\u987a\u5e8f\u3002<\/p>\n

                        a.\u6355\u6349\u56e0\u679c\u5173\u7cfb<\/h4>\n

                        \u4e0e\u4e0a\u4e00\u6b21\u5206\u4eab\u7684\u5185\u5bb9\u7c7b\u4f3c\uff0c\u5e76\u53d1\u64cd\u4f5c\u95f4\u6709\u4e24\u79cd\u7c7b\u578b\uff0c\u53ef\u80fd\u6709\u4e9b\u64cd\u4f5c\u95f4\u5177\u6709\u5929\u7136\u903b\u8f91\u4e0a\u7684\u56e0\u679c\u5173\u7cfb\uff0c\u8fd8\u6709\u4e9b\u5219\u6ca1\u6cd5\u786e\u5b9a\uff0c\u8fd9\u91cc\u6211\u4eec\u9996\u5148\u5148\u5c1d\u8bd5\u6355\u83b7\u90a3\u4e9b\u6709\u56e0\u679c\u5173\u7cfb\u7684\u64cd\u4f5c\uff0c\u5b9e\u73b0\u4e2a\u56e0\u679c\u4e00\u81f4\u6027\u3002\u8fd9\u91cc\u7684\u6355\u83b7\u6211\u4eec\u5b9e\u9645\u9700\u8981\u5b58\u50a8\u6570\u636e\u5e93\uff08\u7cfb\u7edf\uff09\u64cd\u4f5c\u4e2d\u7684\u6240\u6709\u56e0\u679c\u5173\u7cfb\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u7248\u672c\u5411\u91cf\u7684\u65b9\u5f0f\uff08\u5fd8\u8bb0\u7684\u540c\u5b66\uff0c\u53ef\u4ee5\u56de\u770b\u4e0a\u4e00\u7bc7\u4e2d\u4e24\u4e2a\u4eba\u5e76\u53d1\u64cd\u4f5c\u8d2d\u7269\u8f66\u7684\u793a\u4f8b\uff09\u3002<\/p>\n

                        b.\u5316\u88ab\u52a8\u4e3a\u4e3b\u52a8–\u4e3b\u52a8\u5b9a\u4e49<\/h4>\n

                        \u4e0a\u9762\u88ab\u52a8\u5730\u4e0d\u52a0\u4efb\u4f55\u9650\u5236\u7684\u6355\u6349\u56e0\u679c\uff0c\u4f1a\u5e26\u6765\u5de8\u5927\u7684\u8fd0\u884c\u5f00\u9500\uff08\u5185\u5b58\uff0c\u78c1\u76d8\uff09\uff0c\u8fd9\u79cd\u5173\u7cfb\u867d\u7136\u53ef\u4ee5\u6301\u4e45\u5316\u5230\u78c1\u76d8\uff0c\u4f46\u5206\u6790\u65f6\u4f9d\u7136\u9700\u8981\u88ab\u8f7d\u5165\u5185\u5b58\uff0c\u8fd9\u5c31\u8ba9\u6211\u4eec\u6709\u4e86\u53e6\u4e00\u4e2a\u60f3\u6cd5\uff0c\u6211\u4eec\u662f\u5426\u80fd\u5728\u64cd\u4f5c\u4e0a\u505a\u4e2a\u6807\u8bb0\uff0c\u76f4\u63a5\u5b9a\u4e49\u8fd9\u6837\u7684\u56e0\u679c\u5173\u7cfb\uff1f<\/p>\n

                        \u6700\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u5c31\u662f\u6784\u5efa\u4e00\u4e2a\u5168\u5c40\u53d1\u53f7\u5668\uff0c\u4ea7\u751f\u4e00\u4e9b\u5e8f\u5217\u53f7\u6765\u5b9a\u4e49\u64cd\u4f5c\u95f4\u7684\u56e0\u679c\u5173\u7cfb\uff0c\u6bd4\u5982\u9700\u8981\u4fdd\u8bc1A\u5728B\u4e4b\u524d\u53d1\u751f\uff0c\u90a3\u5c31\u786e\u4fddA\u7684\u5168\u5e8fID\u5728B\u4e4b\u524d\u5373\u53ef\uff0c\u5176\u4ed6\u7684\u5e76\u53d1\u64cd\u4f5c\u987a\u5e8f\u4e0d\u505a\u786c\u9650\u5236\uff0c\u4f46\u64cd\u4f5c\u95f4\u5728\u5904\u7406\u5668\u7684\u76f8\u5bf9\u987a\u5e8f\u4e0d\u53d8\uff0c\u8fd9\u6837\u6211\u4eec\u4e0d\u4f46\u5b9e\u73b0\u4e86\u56e0\u679c\u4e00\u81f4\u6027\uff0c\u8fd8\u5bf9\u8fd9\u4e2a\u9650\u5236\u8fdb\u884c\u4e86\u589e\u5f3a\u3002<\/p>\n

                        c.Lamport\u65f6\u95f4\u6233<\/h4>\n

                        \u4e0a\u9762\u7684\u8bbe\u60f3\u867d\u7136\u6bd4\u8f83\u7406\u60f3\uff0c\u4f46\u73b0\u5b9e\u6c38\u8fdc\u8d85\u4e4e\u6211\u4eec\u7684\u60f3\u8c61\u7684\u590d\u6742\uff0c\u4e0a\u9762\u7684\u65b9\u5f0f\u5728\u4e3b\u4ece\u590d\u5236\u6a21\u5f0f\u4e0b\u5f88\u5bb9\u6613\u5b9e\u73b0\uff0c\u4f46\u5982\u679c\u662f\u591a\u4e3b\u6216\u8005\u65e0\u4e3b\u7684\u590d\u5236\u6a21\u578b\uff0c\u6211\u4eec\u5f88\u96be\u8bbe\u8ba1\u8fd9\u79cd\u5168\u5c40\u7684\u5e8f\u5217\u53f7\u53d1\u53f7\u5668\uff0c\u4e66\u4e2d\u7ed9\u51fa\u4e86\u4e00\u4e9b\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u76ee\u7684\u662f\u751f\u6210\u552f\u4e00\u7684\u5e8f\u5217\u53f7\uff0c\u6bd4\u5982\uff1a<\/p>\n

                          \n
                        1. \u6bcf\u4e2a\u8282\u70b9\u5404\u81ea\u4ea7\u751f\u5e8f\u5217\u53f7\u3002<\/li>\n
                        2. \u6bcf\u4e2a\u64cd\u4f5c\u4e0a\u5e26\u4e0a\u65f6\u95f4\u6233\u3002<\/li>\n
                        3. \u9884\u5148\u5206\u914d\u6bcf\u4e2a\u5206\u533a\u8d1f\u8d23\u4ea7\u751f\u7684\u5e8f\u5217\u53f7\u3002<\/li>\n<\/ol>\n

                          \u4f46\u5b9e\u9645\u4e0a\uff0c\u4e0a\u9762\u7684\u65b9\u6cd5\u90fd\u53ef\u80fd\u7834\u574f\u56e0\u679c\u5173\u7cfb\u7684\u504f\u5e8f\u627f\u8bfa\uff0c\u539f\u56e0\u5c31\u662f\u4e0d\u540c\u8282\u70b9\u95f4\u8d1f\u8f7d\u4e0d\u540c\u3001\u65f6\u949f\u4e0d\u540c\u3001\u53c2\u7167\u7cfb\u4e0d\u540c\u3002\u8fd9\u91cc\u6211\u4eec\u7684\u5e76\u53d1\u5927\u795eLamport\u767b\u573a\u4e86\uff0c\u4ed6\u8001\u4eba\u5bb6\u81ea\u521b\u4e86\u4e00\u4e2aLamport\u903b\u8f91\u65f6\u95f4\u6233\uff0c\u5b8c\u7f8e\u5730\u89e3\u51b3\u4e86\u4e0a\u9762\u7684\u6240\u6709\u95ee\u9898\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

                          \"\u56fe18<\/p>\n

                          \u521d\u8bc6Lamport\u65f6\u95f4\u6233\uff0c\u8fd8\u662f\u7814\u7a76\u751f\u5206\u5e03\u5f0f\u7cfb\u7edf\u8bfe\u4e0a\uff0c\u5f53\u65f6\u542c\u5f97\u4e91\u91cc\u96fe\u91cc\uff0c\u5b8c\u5168\u4e0d\u77e5\u9053\u5728\u8bf4\u5565\u3002\u4eca\u5929\u518d\u6b21\u62ff\u8fc7\u6765\u770b\uff0c\u6709\u4e86\u4e0a\u4e0b\u6587\uff0c\u7a0d\u5fae\u61c2\u4e86\u4e00\u70b9\u70b9\u3002\u7b80\u5355\u6765\u8bf4\u5b9a\u4e49\u7684\u5c31\u662f\u4f7f\u7528\u903b\u8f91\u53d8\u91cf\u5b9a\u4e49\u4e86\u4f9d\u8d56\u5173\u7cfb\uff0c\u5b83\u7ed9\u5b9a\u4e86\u4e00\u4e2a\u4e8c\u5143\u7ec4<Counter, NodeId>\uff0c\u7136\u540e\u7ed9\u5b9a\u4e86\u4e00\u4e2a\u6bd4\u8f83\u65b9\u5f0f\uff1a<\/p>\n

                            \n
                          1. \u5148\u6bd4\u8f83Counter\uff0cCounter\u5927\u7684\u540e\u53d1\u751f\uff08\u4f1a\u627f\u8bfa\u4e25\u683c\u7684\u504f\u5e8f\u5173\u7cfb\uff09\u3002<\/li>\n
                          2. \u5982\u679cCounter\u76f8\u540c\uff0c\u76f4\u63a5\u6bd4\u8f83NodeId\uff0c\u5927\u7684\u5b9a\u4e49\u4e3a\u540e\u53d1\u751f\uff08\u5e76\u53d1\u5173\u7cfb\uff09\u3002<\/li>\n<\/ol>\n

                            \u5982\u679c\u53ea\u6709\u8fd9\u4e24\u4e2a\u6bd4\u8f83\uff0c\u8fd8\u4e0d\u80fd\u89e3\u51b3\u4e0a\u9762\u7684\u56e0\u679c\u504f\u5e8f\u88ab\u6253\u7834\u7684\u95ee\u9898\uff0c\u4f46\u662f\u8fd9\u4e2a\u7b97\u6cd5\u4e0d\u540c\u7684\u662f\uff0c\u5b83\u4f1a\u628a\u8fd9\u4e2aNode\u7684Counter\u503c\u5185\u5d4c\u5230\u8bf7\u6c42\u7684\u54cd\u5e94\u4f53\u4e2d\uff0c\u6bd4\u5982\u56fe\u4e2d\u7684A\uff0c\u5728\u7b2c\u4e8c\u6b21\u5411Node2\u53d1\u9001\u66f4\u65b0max\u8bf7\u6c42\u65f6\uff0c\u4f1a\u8fd4\u56de\u5f53\u524d\u7684c=5\uff0c\u8fd9\u6837Client\u4f1a\u628a\u672c\u5730\u7684Counter\u66f4\u65b0\u62105\uff0c\u4e0b\u4e00\u6b21\u4f1a\u589e1\u8fd9\u6837\u4f7f\u7528Node\u4e0a\u7684Counter\u5c31\u7ef4\u62a4\u4e86\u5404\u4e2a\u526f\u672c\u4e0a\u53d8\u91cf\u7684\u504f\u5e8f\u5173\u7cfb\uff0c\u5982\u679c\u5e76\u53d1\u5f80\u4e24\u4e2aNode\u91cc\u5199\u5c31\u76f4\u63a5\u5b9a\u4e49\u4e3a\u5e76\u53d1\u884c\u4e3a\uff0c\u7528NodeId\u5b9a\u4e49\u987a\u5e8f\u4e86\u3002<\/p>\n

                            d. \u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u7ebf\u6027\u5316\u4e86\u5417\u2014\u2014\u5168\u5e8f\u5e7f\u64ad<\/h4>\n

                            \u5230\u6b64\u6211\u4eec\u53ef\u4ee5\u786e\u8ba4\uff0c\u6709\u4e86Lamport\u65f6\u95f4\u6233\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u56e0\u679c\u4e00\u81f4\u6027\u4e86\uff0c\u4f46\u4ecd\u7136\u65e0\u6cd5\u5b9e\u73b0\u7ebf\u6027\u5316\uff0c\u56e0\u4e3a\u6211\u4eec\u8fd8\u9700\u8981\u8ba9\u8fd9\u4e2a\u5168\u5e8f\u901a\u77e5\u5230\u6240\u6709\u8282\u70b9\uff0c\u5426\u5219\u53ef\u80fd\u5c31\u4f1a\u65e0\u6cd5\u505a\u51b3\u7b56\u3002
                            \u4e3e\u4e2a\u4f8b\u5b50\uff0c\u9488\u5bf9\u552f\u4e00\u7528\u6237\u540d\u8fd9\u6837\u7684\u573a\u666f\uff0c\u5047\u8bbeABC\u540c\u65f6\u5411\u7cfb\u7edf\u5c1d\u8bd5\u6ce8\u518c\u76f8\u540c\u7684\u7528\u6237\u540d\uff0c\u4f7f\u7528Lamport\u65f6\u95f4\u6233\u7684\u505a\u6cd5\u662f\uff0c\u5728\u8fd9\u4e09\u4e2a\u5e76\u53d1\u8bf7\u6c42\u4e2d\u6700\u5148\u63d0\u4ea4\u7684\u8fd4\u56de\u6210\u529f\uff0c\u5176\u4ed6\u8fd4\u56de\u5931\u8d25\uff0c\u4f46\u8fd9\u91cc\u9762\u6211\u4eec\u56e0\u4e3a\u6709\u201c\u4e0a\u5e1d\u89c6\u89d2\u201d\uff0c\u77e5\u9053ABC\uff0c\u4f46\u5b9e\u9645\u8bf7\u6c42\u672c\u8eab\u5728\u53d1\u9001\u65f6\u4e0d\u77e5\u9053\u6709\u5176\u4ed6\u8bf7\u6c42\u5b58\u5728\uff08\u4e0d\u540c\u8bf7\u6c42\u53ef\u80fd\u88ab\u53d1\u9001\u5230\u4e86\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff09\u8fd9\u6837\u5c31\u9700\u8981\u7cfb\u7edf\u505a\u8fd9\u4e2a\u6536\u96c6\u5de5\u4f5c\uff0c\u8fd9\u5c31\u9700\u8981\u6709\u4e2a\u7c7b\u4f3c\u534f\u8c03\u8005\u6765\u4e0d\u65ad\u8be2\u95ee\u5404\u4e2a\u8282\u70b9\u662f\u5426\u6709\u8fd9\u6837\u7684\u8bf7\u6c42\uff0c\u5982\u679c\u5176\u4e2d\u4e00\u4e2a\u8282\u70b9\u5728\u8be2\u95ee\u8fc7\u7a0b\u4e2d\u53d1\u751f\u6545\u969c\uff0c\u90a3\u7cfb\u7edf\u65e0\u6cd5\u653e\u5fc3\u51b3\u5b9a\u6bcf\u4e2a\u8bf7\u6c42\u5177\u4f53\u7684RSP\u7ed3\u679c\u3002\u6240\u4ee5\u6700\u597d\u662f\u7cfb\u7edf\u5c06\u8fd9\u4e2a\u987a\u5e8f\u5e7f\u64ad\u5230\u5404\u4e2a\u8282\u70b9\uff0c\u8ba9\u5404\u4e2a\u8282\u70b9\u771f\u7684\u77e5\u9053\u8fd9\u4e2a\u987a\u5e8f\uff0c\u8fd9\u6837\u53ef\u4ee5\u76f4\u63a5\u505a\u51b3\u7b56\u3002<\/p>\n

                            \u5047\u8bbe\u53ea\u6709\u5355\u6838CPU\uff0c\u90a3\u4e48\u5929\u7136\u5c31\u662f\u5168\u5e8f\u7684\uff0c\u4f46\u662f\u73b0\u5728\u6211\u4eec\u9700\u8981\u7684\u662f\u5728\u591a\u6838\u3001\u591a\u673a\u3001\u5206\u5e03\u5f0f\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u8fd9\u4e2a\u5168\u5e8f\u7684\u5e7f\u64ad\uff0c\u5c31\u5b58\u5728\u8fd9\u4e00\u4e9b\u6311\u6218\u3002\u4e3b\u8981\u6311\u6218\u662f\u4e24\u4e2a\uff1a<\/p>\n