{"id":1889,"date":"2020-09-29T16:53:58","date_gmt":"2020-09-29T08:53:58","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=1889"},"modified":"2023-12-04T15:45:38","modified_gmt":"2023-12-04T07:45:38","slug":"%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=1889","title":{"rendered":"\u5206\u5e03\u5f0f\u4e8b\u52a1"},"content":{"rendered":"

\u57fa\u7840\u7406\u8bba<\/h2>\n

\u4e8b\u52a1<\/h3>\n

ACID\u7279\u6027\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\u8981\u4e48\u4e00\u4e2a\u90fd\u4e0d\u505a\u6ca1\u6709\u4e2d\u95f4\u72b6\u6001\u3002\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u79bb\u6027\u3001\u6301\u4e45\u6027\u3002<\/p>\n

\u5206\u5e03\u5f0f\u4e8b\u52a1<\/h3>\n

\u5206\u5e03\u5f0f\u4e8b\u52a1\u662f\u6307\u4e8b\u52a1\u7684\u53c2\u4e0e\u8005\u3001\u652f\u6301\u4e8b\u52a1\u7684\u670d\u52a1\u5668\u3001\u8d44\u6e90\u670d\u52a1\u5668\u4ee5\u53ca\u4e8b\u52a1\u7ba1\u7406\u5668\u5206\u522b\u4f4d\u4e8e\u4e0d\u540c\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u4e0d\u540c\u8282\u70b9\u4e0a\u3002\u4f8b\u5982\u5927\u578b\u7535\u5546\u7cfb\u7edf\u4e2d\uff0c\u4e0b\u5355\u63a5\u53e3\u901a\u5e38\u4f1a\u6263\u51cf\u5e93\u5b58\u3001\u51cf\u53bb\u4f18\u60e0\u3001\u751f\u6210\u8ba2\u5355id\uff0c\u800c\u8ba2\u5355\u670d\u52a1\u4e0e\u5e93\u5b58\u3001\u4f18\u60e0\u3001\u8ba2\u5355id\u90fd\u662f\u4e0d\u540c\u7684\u670d\u52a1\uff0c\u4e0b\u5355\u63a5\u53e3\u7684\u6210\u529f\u4e0e\u5426\uff0c\u4e0d\u4ec5\u4ec5\u53d6\u51b3\u4e8e\u672c\u5730db\u64cd\u4f5c\uff0c\u800c\u4e14\u4f9d\u8d56\u7b2c\u4e09\u65b9\u7cfb\u7edf\u7684\u7ed3\u679c\uff0c\u8fd9\u65f6\u5019\u5206\u5e03\u5f0f\u4e8b\u52a1\u5c31\u4fdd\u8bc1\u8fd9\u4e9b\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002\u672c\u8d28\u4e0a\u6765\u8bf4\uff0c\u5206\u5e03\u5f0f\u4e8b\u52a1\u5c31\u662f\u4fdd\u8bc1\u4e0d\u540c\u6570\u636e\u5e93\u7684\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n

\u4e00\u81f4\u6027\uff08\u5f3a\uff0c\u5f31\uff0c\u6700\u7ec8\uff09<\/h4>\n

\u5f3a\u4e00\u81f4\u6027<\/h5>\n

\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u8fdb\u7a0b\uff0c\u770b\u5230\u7684\u64cd\u4f5c\u987a\u5e8f\uff0c\u90fd\u548c\u5168\u5c40\u65f6\u949f\u4e0b\u7684\u987a\u5e8f\u4e00\u81f4
\n\u5f3a\u4e00\u81f4\u6027\u7834\u574f\u53ef\u7528\u6027<\/p>\n

\u5f31\u4e00\u81f4\u6027<\/h4>\n

\u6570\u636e\u66f4\u65b0\u540e\uff0c\u5982\u679c\u80fd\u5bb9\u5fcd\u540e\u7eed\u7684\u8bbf\u95ee\u53ea\u80fd\u8bbf\u95ee\u5230\u90e8\u5206\u6216\u8005\u5168\u90e8\u8bbf\u95ee\u4e0d\u5230
\nredis\u96c6\u7fa4\u9ed8\u8ba4\u662f\u5f31\u4e00\u81f4\u6027<\/p>\n

\u6700\u7ec8\u4e00\u81f4\u6027<\/h4>\n

\u4e0d\u4fdd\u8bc1\u4efb\u610f\u65f6\u523b\u4efb\u610f\u8282\u70b9\u4e0a\u7684\u540c\u4e00\u4efd\u6570\u636e\u90fd\u662f\u76f8\u540c\u7684\uff0c\u4f46\u662f\u968f\u7740\u65f6\u95f4\u7684\u8fc1\u79fb\uff0c\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u540c\u4e00\u4efd\u6570\u636e\u603b\u662f\u5728\u5411\u8d8b\u540c\u7684\u65b9\u5411\u53d8\u5316\u3002\u8282\u70b9\u95f4\u7684\u6570\u636e\u6700\u7ec8\u8fbe\u5230\u4e00\u81f4\u72b6\u6001\u3002<\/p>\n

CAP\u539f\u5219<\/h3>\n

CAP\u539f\u5219<\/a><\/p>\n

BASE\u7406\u8bba<\/h3>\n

BASE\u7406\u8bba<\/a><\/p>\n

\u67d4\u6027\u4e8b\u52a1<\/h3>\n

\u4e0d\u540c\u4e8eACID\u7684\u521a\u6027\u4e8b\u52a1\uff0c\u5728\u5206\u5e03\u5f0f\u573a\u666f\u4e0b\u57fa\u4e8eBASE\u7406\u8bba\uff0c\u5c31\u51fa\u73b0\u4e86\u67d4\u6027\u4e8b\u52a1\u7684\u6982\u5ff5\u3002\u60f3\u8981\u901a\u8fc7\u67d4\u6027\u4e8b\u52a1\u6765\u8fbe\u5230\u6700\u7ec8\u7684\u4e00\u81f4\u6027\uff0c\u5c31\u9700\u8981\u4f9d\u8d56\u4e8e\u4e00\u4e9b\u7279\u6027\uff0c\u8fd9\u4e9b\u7279\u6027\u5728\u5177\u4f53\u7684\u65b9\u6848\u4e2d\u4e0d\u4e00\u5b9a\u90fd\u8981\u6ee1\u8db3\uff0c\u56e0\u4e3a\u4e0d\u540c\u7684\u65b9\u6848\u8981\u6c42\u4e0d\u4e00\u6837\uff1b\u4f46\u662f\u90fd\u4e0d\u6ee1\u8db3\u7684\u8bdd\uff0c\u662f\u4e0d\u53ef\u80fd\u505a\u67d4\u6027\u4e8b\u52a1\u7684\u3002<\/p>\n

\u5e42\u7b49\u64cd\u4f5c<\/h3>\n

\u5728\u7f16\u7a0b\u4e2d\u4e00\u4e2a\u5e42\u7b49\u64cd\u4f5c\u7684\u7279\u70b9\u662f\u5176\u4efb\u610f\u591a\u6b21\u6267\u884c\u6240\u4ea7\u751f\u7684\u5f71\u54cd\u5747\u4e0e\u4e00\u6b21\u6267\u884c\u7684\u5f71\u54cd\u76f8\u540c\u3002\u5e42\u7b49\u51fd\u6570\uff0c\u6216\u5e42\u7b49\u65b9\u6cd5\uff0c\u662f\u6307\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u53c2\u6570\u91cd\u590d\u6267\u884c\uff0c\u5e76\u80fd\u83b7\u5f97\u76f8\u540c\u7ed3\u679c\u7684\u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u4e0d\u4f1a\u5f71\u54cd\u7cfb\u7edf\u72b6\u6001\uff0c\u9875\u4e0d\u7528\u62c5\u5fc3\u91cd\u590d\u6267\u884c\u4f1a\u5bf9\u7cfb\u7edf\u9020\u6210\u6539\u53d8\u3002\u4f8b\u5982\uff0c\u652f\u4ed8\u6d41\u7a0b\u4e2d\u7b2c\u4e09\u65b9\u652f\u4ed8\u7cfb\u7edf\u544a\u77e5\u7cfb\u7edf\u4e2d\u67d0\u4e2a\u8ba2\u5355\u652f\u4ed8\u6210\u529f\uff0c\u63a5\u6536\u8be5\u652f\u4ed8\u56de\u8c03\u63a5\u53e3\u5728\u7f51\u7edc\u6b63\u5e38\u7684\u60c5\u51b5\u4e0b\u65e0\u8bba\u64cd\u4f5c\u591a\u5c11\u6b21\u90fd\u5e94\u8be5\u8fd4\u56de\u6210\u529f\u3002<\/p>\n

\u5206\u5e03\u5f0f\u4e8b\u52a1\u4f7f\u7528\u573a\u666f<\/h2>\n

\u8f6c\u8d26<\/h3>\n

\u8f6c\u8d26\u662f\u6700\u7ecf\u5178\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u573a\u666f\uff0ca\u8de8\u884c\u8f6c\u8d26\u7ed9b\u3002a\u8d26\u6237\u6263\u6b3e\uff0cb\u8d26\u6237\u4f59\u989d\u589e\u52a0
\n\u53ef\u80fd\u6709\u4e24\u79cd\u5f02\u5e38\u60c5\u51b5\uff1a1\uff0ca\u6263\u6b3e\u6210\u529f\uff0cb\u8d26\u6237\u4f59\u989d\u589e\u52a0\u5931\u8d252\u3001a\u6263\u6b3e\u5931\u8d25\uff0cb\u8d26\u6237\u4f59\u989d\u589e\u52a0\u6210\u529f\uff0c\u5bf9\u4e8e\u94f6\u884c\u4ee5\u4e0a\u4e24\u79cd\u90fd\u4e0d\u5141\u8bb8\u53d1\u751f\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u5206\u5e03\u5f0f\u4e8b\u52a1\u6765\u4fdd\u8bc1\u8f6c\u8d26\u64cd\u4f5c\u7684\u6210\u529f<\/p>\n

\u5145\u503c\u63d0\u73b0<\/h3>\n

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\u5173\u6ce8\u6d41\u6c34\u72b6\u6001 \u5145\u503c\u7b97\u6d41\u6c34\uff0c\u63d0\u73b0\u7b97\u6d41\u6c34\uff0c\u6295\u8d44\u7b97\u6d41\u6c34\uff0c\u5230\u671f\u8fd4\u8fd8\u672c\u91d1\u548c\u5229\u606f\u7b97\u6d41\u6c34\u3002\u603b\u4e4b\uff0c\u7528\u6237\u8d26\u6237\u91d1\u989d\u7684\u53d8\u5316\uff0c\u90fd\u7b97\u6d41\u6c34\u3002<\/p>\n

\u4e0b\u5355\u6263\u5e93\u5b58<\/h3>\n

\u8ba2\u5355\u7cfb\u7edf\u672c\u5730\u505a\u4e00\u4e9b\u7b80\u5355\u7684\u5e93\u5b58\u5224\u65ad\u521b\u5efa\u4e00\u4e2a\u8ba2\u5355\u8bb0\u5f55\uff0c\u5411\u5e93\u5b58\u670d\u52a1\u53d1\u8d77\u6263\u51cf\u5e93\u5b58\u8bf7\u6c42\u3002\u5e93\u5b58\u670d\u52a1\u6536\u5230\u8bf7\u6c42\uff0c\u540c\u6b65\u8fd4\u56de\u63a5\u53d7\u6210\u529f\u72b6\u6001\uff0c\u6b64\u65f6\u5e93\u5b58\u670d\u52a1\u672a\u5904\u7406\u771f\u5b9e\u4e1a\u52a1\uff0c\u4ec5\u5411\u6d88\u8d39\u961f\u5217\u4e2d\u5199\u5165\u4e00\u6761\u6d88\u606f\uff0c\u8ba2\u5355\u7cfb\u7edf\u672c\u5730\u6d88\u606f\u8868\u8ba2\u5355\u72b6\u6001\u6539\u4e3a\u6263\u51cf\u5e93\u5b58\u4e2d\u3002\u5e93\u5b58\u670d\u52a1\u6d88\u8d39\u6210\u529f\uff0c\u4f1a\u8c03\u7528\u8ba2\u5355\u7cfb\u7edf\u5e93\u5b58\u56de\u8c03\u63a5\u53e3\uff0c\u8ba2\u5355\u7cfb\u7edf\u6839\u636e\u8bf7\u6c42\u4fee\u6539\u6b64\u8ba2\u5355\u72b6\u6001\u3002<\/p>\n

\u5173\u6ce8\u8ba2\u5355\u72b6\u6001<\/p>\n

\"\"<\/p>\n

\u540c\u6b65\u8d85\u65f6<\/h3>\n

\u4ee5\u7535\u5546\u7cfb\u7edf\u4e3a\u4f8b\uff0c\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e0b\uff0c\u6211\u4eec\u7684\u652f\u4ed8\u4e0e\u8ba2\u5355\u90fd\u662f\u4f5c\u4e3a\u5355\u72ec\u7684\u7cfb\u7edf\u5b58\u5728\u3002\u8ba2\u5355\u7684\u72b6\u6001\u4f9d\u8d56\u652f\u4ed8\u7cfb\u7edf\u7684\u901a\u77e5\u3002\u5047\u8bbe\u4e00\u4e2a\u573a\u666f\uff1a\u6211\u4eec\u7684\u652f\u4ed8\u7cfb\u7edf\u6536\u5230\u6765\u81ea\u7b2c\u4e09\u65b9\u7684\u652f\u4ed8\u901a\u77e5\uff0c\u544a\u77e5\u67d0\u4e2a\u8ba2\u5355\u652f\u4ed8\u6210\u529f\uff0c\u63a5\u6536\u901a\u77e5\u63a5\u53e3\u9700\u8981\u540c\u6b65\u8c03\u7528\u8ba2\u5355\u670d\u52a1\u53d8\u66f4\u72b6\u6001\u63a5\u53e3\uff0c\u66f4\u65b0\u8ba2\u5355\u72b6\u6001\u4e3a\u6210\u529f\u3002\u6d41\u7a0b\u56fe\u5982\u4e0b\uff0c\u4ece\u9014\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u6709\u4e24\u6b21\u70b9\u7528\uff0c\u7b2c\u4e09\u65b9\u652f\u4ed8\u8c03\u7528\u652f\u4ed8\u670d\u52a1\uff0c\u4ee5\u53ca\u652f\u4ed8\u670d\u52a1\u8c03\u7528\u8ba2\u5355\u670d\u52a1\uff0c\u7740\u4e24\u90e8\u8c03\u7528\u90fd\u53ef\u80fd\u51fa\u73b0\u8c03\u7528\u8d85\u65f6\u7684\u60c5\u51b5\uff0c\u6b64\u5904\u6ca1\u6709\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u4fdd\u8bc1\uff0c\u5c31\u4f1a\u51fa\u73b0\u7528\u6237\u8ba2\u5355\u5b9e\u9645\u652f\u4ed8\u60c5\u51b5\u4e0e\u6700\u7ec8\u7528\u6237\u770b\u5230\u7684\u652f\u4ed8\u60c5\u51b5\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002<\/p>\n

\"\"<\/p>\n

\u5206\u5e03\u5f0f\u4e8b\u52a1\u89e3\u51b3\u65b9\u6848<\/h2>\n

\u4e24\u9636\u6bb5\u63d0\u4ea4\/XA<\/h3>\n

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\"\"<\/p>\n

\"\"<\/p>\n

\u7b2c\u4e00\u9636\u6bb5\uff08prepare\uff09\uff1a\u4e8b\u52a1\u7ba1\u7406\u5668\u5411\u6240\u6709\u672c\u5730\u8d44\u6e90\u7ba1\u7406\u5668\u53d1\u8d77\u8bf7\u6c42\uff0c\u8be2\u95ee\u662f\u5426\u662f ready \u72b6\u6001\uff0c\u6240\u6709\u53c2\u4e0e\u8005\u90fd\u5c06\u672c\u4e8b\u52a1\u80fd\u5426\u6210\u529f\u7684\u4fe1\u606f\u53cd\u9988\u53d1\u7ed9\u534f\u8c03\u8005\uff1b<\/p>\n

\u7b2c\u4e8c\u9636\u6bb5 (commit\/rollback)\uff1a\u4e8b\u52a1\u7ba1\u7406\u5668\u6839\u636e\u6240\u6709\u672c\u5730\u8d44\u6e90\u7ba1\u7406\u5668\u7684\u53cd\u9988\uff0c\u901a\u77e5\u6240\u6709\u672c\u5730\u8d44\u6e90\u7ba1\u7406\u5668\uff0c\u6b65\u8c03\u4e00\u81f4\u5730\u5728\u6240\u6709\u5206\u652f\u4e0a\u63d0\u4ea4\u6216\u8005\u56de\u6eda\u3002<\/p>\n

\u5b58\u5728\u7684\u95ee\u9898\uff1a<\/p>\n

\n \u540c\u6b65\u963b\u585e\uff1a\u5f53\u53c2\u4e0e\u4e8b\u52a1\u8005\u5b58\u5728\u5360\u7528\u516c\u5171\u8d44\u6e90\u7684\u60c5\u51b5\uff0c\u5176\u4e2d\u4e00\u4e2a\u5360\u7528\u4e86\u8d44\u6e90\uff0c\u5176\u4ed6\u4e8b\u52a1\u53c2\u4e0e\u8005\u5c31\u53ea\u80fd\u963b\u585e\u7b49\u5f85\u8d44\u6e90\u91ca\u653e\uff0c\u5904\u4e8e\u963b\u585e\u72b6\u6001\u3002<\/p>\n

\u5355\u70b9\u6545\u969c\uff1a\u4e00\u65e6\u4e8b\u52a1\u7ba1\u7406\u5668\u51fa\u73b0\u6545\u969c\uff0c\u6574\u4e2a\u7cfb\u7edf\u4e0d\u53ef\u7528<\/p>\n

\u6570\u636e\u4e0d\u4e00\u81f4\uff1a\u5728\u9636\u6bb5\u4e8c\uff0c\u5982\u679c\u4e8b\u52a1\u7ba1\u7406\u5668\u53ea\u53d1\u9001\u4e86\u90e8\u5206 commit \u6d88\u606f\uff0c\u6b64\u65f6\u7f51\u7edc\u53d1\u751f\u5f02\u5e38\uff0c\u90a3\u4e48\u53ea\u6709\u90e8\u5206\u53c2\u4e0e\u8005\u63a5\u6536\u5230 commit \u6d88\u606f\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ea\u6709\u90e8\u5206\u53c2\u4e0e\u8005\u63d0\u4ea4\u4e86\u4e8b\u52a1\uff0c\u4f7f\u5f97\u7cfb\u7edf\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n

\u4e0d\u786e\u5b9a\u6027\uff1a\u5f53\u534f\u4e8b\u52a1\u7ba1\u7406\u5668\u53d1\u9001 commit \u4e4b\u540e\uff0c\u5e76\u4e14\u6b64\u65f6\u53ea\u6709\u4e00\u4e2a\u53c2\u4e0e\u8005\u6536\u5230\u4e86 commit\uff0c\u90a3\u4e48\u5f53\u8be5\u53c2\u4e0e\u8005\u4e0e\u4e8b\u52a1\u7ba1\u7406\u5668\u540c\u65f6\u5b95\u673a\u4e4b\u540e\uff0c\u91cd\u65b0\u9009\u4e3e\u7684\u4e8b\u52a1\u7ba1\u7406\u5668\u65e0\u6cd5\u786e\u5b9a\u8be5\u6761\u6d88\u606f\u662f\u5426\u63d0\u4ea4\u6210\u529f\u3002\n<\/p><\/blockquote>\n

\u4e09\u9636\u6bb5\u63d0\u4ea4TCC<\/h3>\n

Try-Confirm-Cancel<\/p>\n

TCC \u4e8b\u52a1\u673a\u5236\u76f8\u6bd4\u4e8e\u4e0a\u9762\u4ecb\u7ecd\u7684 XA\uff0c\u89e3\u51b3\u4e86\u5176\u51e0\u4e2a\u7f3a\u70b9\uff1a<\/p>\n

    \n
  1. \u89e3\u51b3\u4e86\u534f\u8c03\u8005\u5355\u70b9\uff0c\u7531\u4e3b\u4e1a\u52a1\u65b9\u53d1\u8d77\u5e76\u5b8c\u6210\u8fd9\u4e2a\u4e1a\u52a1\u6d3b\u52a8\u3002\u4e1a\u52a1\u6d3b\u52a8\u7ba1\u7406\u5668\u4e5f\u53d8\u6210\u591a\u70b9\uff0c\u5f15\u5165\u96c6\u7fa4\u3002<\/p>\n<\/li>\n
  2. \n

    \u540c\u6b65\u963b\u585e\uff1a\u5f15\u5165\u8d85\u65f6\uff0c\u8d85\u65f6\u540e\u8fdb\u884c\u8865\u507f\uff0c\u5e76\u4e14\u4e0d\u4f1a\u9501\u5b9a\u6574\u4e2a\u8d44\u6e90\uff0c\u5c06\u8d44\u6e90\u8f6c\u6362\u4e3a\u4e1a\u52a1\u903b\u8f91\u5f62\u5f0f\uff0c\u7c92\u5ea6\u53d8\u5c0f\u3002<\/p>\n<\/li>\n

  3. \n

    \u6570\u636e\u4e00\u81f4\u6027\uff0c\u6709\u4e86\u8865\u507f\u673a\u5236\u4e4b\u540e\uff0c\u7531\u4e1a\u52a1\u6d3b\u52a8\u7ba1\u7406\u5668\u63a7\u5236\u4e00\u81f4\u6027<\/p>\n<\/li>\n<\/ol>\n

    TCC(Try Confirm Cancel)
    \nTry \u9636\u6bb5\uff1a\u5c1d\u8bd5\u6267\u884c\uff0c\u5b8c\u6210\u6240\u6709\u4e1a\u52a1\u68c0\u67e5\uff08\u4e00\u81f4\u6027\uff09, \u9884\u7559\u5fc5\u987b\u4e1a\u52a1\u8d44\u6e90\uff08\u51c6\u9694\u79bb\u6027\uff09
    \nConfirm \u9636\u6bb5\uff1a\u786e\u8ba4\u6267\u884c\u771f\u6b63\u6267\u884c\u4e1a\u52a1\uff0c\u4e0d\u4f5c\u4efb\u4f55\u4e1a\u52a1\u68c0\u67e5\uff0c\u53ea\u4f7f\u7528 Try \u9636\u6bb5\u9884\u7559\u7684\u4e1a\u52a1\u8d44\u6e90\uff0cConfirm \u64cd\u4f5c\u6ee1\u8db3\u5e42\u7b49\u6027\u3002\u8981\u6c42\u5177\u5907\u5e42\u7b49\u8bbe\u8ba1\uff0cConfirm \u5931\u8d25\u540e\u9700\u8981\u8fdb\u884c\u91cd\u8bd5\u3002
    \nCancel \u9636\u6bb5\uff1a\u53d6\u6d88\u6267\u884c\uff0c\u91ca\u653e Try \u9636\u6bb5\u9884\u7559\u7684\u4e1a\u52a1\u8d44\u6e90 Cancel \u64cd\u4f5c\u6ee1\u8db3\u5e42\u7b49\u6027 Cancel \u9636\u6bb5\u7684\u5f02\u5e38\u548c Confirm \u9636\u6bb5\u5f02\u5e38\u5904\u7406\u65b9\u6848\u57fa\u672c\u4e0a\u4e00\u81f4\u3002<\/p>\n

    \u5728 Try \u9636\u6bb5\uff0c\u662f\u5bf9\u4e1a\u52a1\u7cfb\u7edf\u8fdb\u884c\u68c0\u67e5\u53ca\u8d44\u6e90\u9884\u89c8\uff0c\u6bd4\u5982\u8ba2\u5355\u548c\u5b58\u50a8\u64cd\u4f5c\uff0c\u9700\u8981\u68c0\u67e5\u5e93\u5b58\u5269\u4f59\u6570\u91cf\u662f\u5426\u591f\u7528\uff0c\u5e76\u8fdb\u884c\u9884\u7559\uff0c\u9884\u7559\u64cd\u4f5c\u7684\u8bdd\u5c31\u662f\u65b0\u5efa\u4e00\u4e2a\u53ef\u7528\u5e93\u5b58\u6570\u91cf\u5b57\u6bb5\uff0cTry \u9636\u6bb5\u64cd\u4f5c\u662f\u5bf9\u8fd9\u4e2a\u53ef\u7528\u5e93\u5b58\u6570\u91cf\u8fdb\u884c\u64cd\u4f5c\u3002
    \n\u57fa\u4e8e TCC \u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u4f1a\u5c06\u539f\u6765\u53ea\u9700\u8981\u4e00\u4e2a\u63a5\u53e3\u5c31\u53ef\u4ee5\u5b9e\u73b0\u7684\u903b\u8f91\u62c6\u5206\u4e3a Try\u3001Confirm\u3001Cancel \u4e09\u4e2a\u63a5\u53e3\uff0c\u6240\u4ee5\u4ee3\u7801\u5b9e\u73b0\u590d\u6742\u5ea6\u76f8\u5bf9\u8f83\u9ad8\u3002<\/p>\n

    \u672c\u5730\u6d88\u606f\u8868<\/h3>\n

    \u672c\u5730\u6d88\u606f\u8868\u8fd9\u4e2a\u65b9\u6848\u6700\u521d\u662f ebay \u67b6\u6784\u5e08 Dan Pritchett \u5728 2008 \u5e74\u53d1\u8868\u7ed9 ACM \u7684\u6587\u7ae0\u3002\u8be5\u65b9\u6848\u4e2d\u4f1a\u6709\u6d88\u606f\u751f\u4ea7\u8005\u4e0e\u6d88\u8d39\u8005\u4e24\u4e2a\u89d2\u8272\uff0c\u5047\u8bbe\u7cfb\u7edf A \u662f\u6d88\u606f\u751f\u4ea7\u8005\uff0c\u7cfb\u7edf B \u662f\u6d88\u606f\u6d88\u8d39\u8005\uff0c\u5176\u5927\u81f4\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

    \"\"<\/p>\n

      \n
    1. \u5f53\u7cfb\u7edf A \u88ab\u5176\u4ed6\u7cfb\u7edf\u8c03\u7528\u53d1\u751f\u6570\u636e\u5e93\u8868\u66f4\u64cd\u4f5c\uff0c\u9996\u5148\u4f1a\u66f4\u65b0\u6570\u636e\u5e93\u7684\u4e1a\u52a1\u8868\uff0c\u5176\u6b21\u4f1a\u5f80\u76f8\u540c\u6570\u636e\u5e93\u7684\u6d88\u606f\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u6570\u636e\uff0c\u4e24\u4e2a\u64cd\u4f5c\u53d1\u751f\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d<\/p>\n<\/li>\n
    2. \n

      \u7cfb\u7edf A \u7684\u811a\u672c\u5b9a\u671f\u8f6e\u8be2\u672c\u5730\u6d88\u606f\u5f80 mq \u4e2d\u5199\u5165\u4e00\u6761\u6d88\u606f\uff0c\u5982\u679c\u6d88\u606f\u53d1\u9001\u5931\u8d25\u4f1a\u8fdb\u884c\u91cd\u8bd5<\/p>\n<\/li>\n

    3. \n

      \u7cfb\u7edf B \u6d88\u8d39 mq \u4e2d\u7684\u6d88\u606f\uff0c\u5e76\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u3002\u5982\u679c\u672c\u5730\u4e8b\u52a1\u5904\u7406\u5931\u8d25\uff0c\u4f1a\u5728\u7ee7\u7eed\u6d88\u8d39 mq \u4e2d\u7684\u6d88\u606f\u8fdb\u884c\u91cd\u8bd5\uff0c\u5982\u679c\u4e1a\u52a1\u4e0a\u7684\u5931\u8d25\uff0c\u53ef\u4ee5\u901a\u77e5\u7cfb\u7edf A \u8fdb\u884c\u56de\u6eda\u64cd\u4f5c<\/p>\n<\/li>\n<\/ol>\n

      \u672c\u5730\u6d88\u606f\u8868\u5b9e\u73b0\u6761\u4ef6\uff1a<\/p>\n

        \n
      1. \u6d88\u8d39\u8005\u4e0e\u751f\u4ea7\u8005\u7684\u63a5\u53e3\u90fd\u8981\u652f\u6301\u5e42\u7b49<\/p>\n<\/li>\n
      2. \n

        \u751f\u4ea7\u8005\u9700\u8981\u989d\u5916\u7684\u521b\u5efa\u6d88\u606f\u8868<\/p>\n<\/li>\n

      3. \n

        \u9700\u8981\u63d0\u4f9b\u8865\u507f\u903b\u8f91\uff0c\u5982\u679c\u6d88\u8d39\u8005\u4e1a\u52a1\u5931\u8d25\uff0c\u9700\u8981\u751f\u4ea7\u8005\u652f\u6301\u56de\u6eda\u64cd\u4f5c<\/p>\n<\/li>\n<\/ol>\n

        \u5bb9\u9519\u673a\u5236\uff1a<\/p>\n

          \n
        1. \u6b65\u9aa4 1 \u5931\u8d25\u65f6\uff0c\u4e8b\u52a1\u76f4\u63a5\u56de\u6eda<\/p>\n<\/li>\n
        2. \n

          \u6b65\u9aa4 2\u30013 \u5199 mq \u4e0e\u6d88\u8d39 mq \u5931\u8d25\u4f1a\u8fdb\u884c\u91cd\u8bd5<\/p>\n<\/li>\n

        3. \n

          \u6b65\u9aa4 3 \u4e1a\u52a1\u5931\u8d25\u7cfb\u7edf B \u5411\u7cfb\u7edf A \u53d1\u8d77\u4e8b\u52a1\u56de\u6eda\u64cd\u4f5c<\/p>\n<\/li>\n<\/ol>\n

          \u6b64\u65b9\u6848\u7684\u6838\u5fc3\u662f\u5c06\u9700\u8981\u5206\u5e03\u5f0f\u5904\u7406\u7684\u4efb\u52a1\u901a\u8fc7\u6d88\u606f\u65e5\u5fd7\u7684\u65b9\u5f0f\u6765\u5f02\u6b65\u6267\u884c\u3002\u6d88\u606f\u65e5\u5fd7\u53ef\u4ee5\u5b58\u50a8\u5230\u672c\u5730\u6587\u672c\u3001\u6570\u636e\u5e93\u6216\u6d88\u606f\u961f\u5217\uff0c\u518d\u901a\u8fc7\u4e1a\u52a1\u89c4\u5219\u81ea\u52a8\u6216\u4eba\u5de5\u53d1\u8d77\u91cd\u8bd5\u3002\u4eba\u5de5\u91cd\u8bd5\u66f4\u591a\u7684\u662f\u5e94\u7528\u4e8e\u652f\u4ed8\u573a\u666f\uff0c\u901a\u8fc7\u5bf9\u8d26\u7cfb\u7edf\u5bf9\u4e8b\u540e\u95ee\u9898\u7684\u5904\u7406\u3002<\/p>\n

          \u53ef\u9760\u6d88\u606f\u6700\u7ec8\u4e00\u81f4\u6027<\/h3>\n

          \"\"<\/p>\n

            \n
          1. A \u7cfb\u7edf\u5148\u5411 mq \u53d1\u9001\u4e00\u6761 prepare \u6d88\u606f\uff0c\u5982\u679c prepare \u6d88\u606f\u53d1\u9001\u5931\u8d25\uff0c\u5219\u76f4\u63a5\u53d6\u6d88\u64cd\u4f5c<\/p>\n<\/li>\n
          2. \n

            \u5982\u679c\u6d88\u606f\u53d1\u9001\u6210\u529f\uff0c\u5219\u6267\u884c\u672c\u5730\u4e8b\u52a1<\/p>\n<\/li>\n

          3. \n

            \u5982\u679c\u672c\u5730\u4e8b\u52a1\u6267\u884c\u6210\u529f\uff0c\u5219\u60f3 mq \u53d1\u9001\u4e00\u6761 confirm \u6d88\u606f\uff0c\u5982\u679c\u53d1\u9001\u5931\u8d25\uff0c\u5219\u53d1\u9001\u56de\u6eda\u6d88\u606f<\/p>\n<\/li>\n

          4. \n

            B \u7cfb\u7edf\u5b9a\u671f\u6d88\u8d39 mq \u4e2d\u7684 confirm \u6d88\u606f\uff0c\u6267\u884c\u672c\u5730\u4e8b\u52a1\uff0c\u5e76\u53d1\u9001 ack \u6d88\u606f\u3002\u5982\u679c B \u7cfb\u7edf\u4e2d\u7684\u672c\u5730\u4e8b\u52a1\u5931\u8d25\uff0c\u4f1a\u4e00\u76f4\u4e0d\u65ad\u91cd\u8bd5\uff0c\u5982\u679c\u662f\u4e1a\u52a1\u5931\u8d25\uff0c\u4f1a\u5411 A \u7cfb\u7edf\u53d1\u8d77\u56de\u6eda\u8bf7\u6c42<\/p>\n<\/li>\n

          5. \n

            mq \u4f1a\u5b9a\u671f\u8f6e\u8be2\u6240\u6709 prepared \u6d88\u606f\u8c03\u7528\u7cfb\u7edf A \u63d0\u4f9b\u7684\u63a5\u53e3\u67e5\u8be2\u6d88\u606f\u7684\u5904\u7406\u60c5\u51b5\uff0c\u5982\u679c\u8be5 prepare \u6d88\u606f\u672c\u5730\u4e8b\u52a1\u5904\u7406\u6210\u529f\uff0c\u5219\u91cd\u65b0\u53d1\u9001 confirm \u6d88\u606f\uff0c\u5426\u5219\u76f4\u63a5\u56de\u6eda\u8be5\u6d88\u606f<\/p>\n<\/li>\n<\/ol>\n

            \u8be5\u65b9\u6848\u4e0e\u672c\u5730\u6d88\u606f\u6700\u5927\u7684\u4e0d\u540c\u662f\u53bb\u6389\u4e86\u672c\u5730\u6d88\u606f\u8868\uff0c\u5176\u6b21\u672c\u5730\u6d88\u606f\u8868\u4f9d\u8d56\u6d88\u606f\u8868\u91cd\u8bd5\u5199\u5165 mq \u8fd9\u4e00\u6b65\u7531\u672c\u65b9\u6848\u4e2d\u7684\u8f6e\u8be2 prepare \u6d88\u606f\u72b6\u6001\u6765\u91cd\u8bd5\u6216\u8005\u56de\u6eda\u8be5\u6d88\u606f\u66ff\u4ee3\u3002\u5176\u5b9e\u73b0\u6761\u4ef6\u4e0e\u5bb9\u9519\u65b9\u6848\u57fa\u672c\u4e00\u81f4\u3002\u76ee\u524d\u5e02\u9762\u4e0a\u5b9e\u73b0\u8be5\u65b9\u6848\u7684\u53ea\u6709\u963f\u91cc\u7684 RocketMq\u3002<\/p>\n

            \u5c3d\u6700\u5927\u52aa\u529b\u901a\u77e5<\/h3>\n

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            \u8fd9\u4e2a\u65b9\u6848\u7684\u5927\u81f4\u610f\u601d\u5c31\u662f\uff1a<\/p>\n

              \n
            1. \u7cfb\u7edf A \u672c\u5730\u4e8b\u52a1\u6267\u884c\u5b8c\u4e4b\u540e\uff0c\u53d1\u9001\u4e2a\u6d88\u606f\u5230 MQ\uff1b<\/p>\n<\/li>\n
            2. \n

              \u8fd9\u91cc\u4f1a\u6709\u4e2a\u4e13\u95e8\u6d88\u8d39 MQ \u7684\u670d\u52a1\uff0c\u8fd9\u4e2a\u670d\u52a1\u4f1a\u6d88\u8d39 MQ \u5e76\u8c03\u7528\u7cfb\u7edf B \u7684\u63a5\u53e3\uff1b<\/p>\n<\/li>\n

            3. \n

              \u8981\u662f\u7cfb\u7edf B \u6267\u884c\u6210\u529f\u5c31 ok \u4e86\uff1b\u8981\u662f\u7cfb\u7edf B \u6267\u884c\u5931\u8d25\u4e86\uff0c\u90a3\u4e48\u6700\u5927\u52aa\u529b\u901a\u77e5\u670d\u52a1\u5c31\u5b9a\u65f6\u5c1d\u8bd5\u91cd\u65b0\u8c03\u7528\u7cfb\u7edf B, \u53cd\u590d N \u6b21\uff0c\u6700\u540e\u8fd8\u662f\u4e0d\u884c\u5c31\u653e\u5f03\u3002<\/p>\n<\/li>\n<\/ol>\n

              \u5206\u5e03\u5f0f\u4e8b\u52a1\u5b9e\u6218<\/h2>\n

              \u4e24\u9636\u6bb5\u63d0\u4ea4\/XA<\/h3>\n

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              \u5206\u5e03\u5f0f\u4e8b\u52a1\u670d\u52a1\u7b80\u4ecb<\/a><\/p>\n

              TCC<\/h3>\n

              TCC \u9700\u8981\u4e8b\u52a1\u63a5\u53e3\u63d0\u4f9b try, confirm, cancel \u4e09\u4e2a\u63a5\u53e3\uff0c\u63d0\u9ad8\u4e86\u7f16\u7a0b\u7684\u590d\u6742\u6027\u3002\u4f9d\u8d56\u4e8e\u4e1a\u52a1\u65b9\u6765\u914d\u5408\u63d0\u4f9b\u8fd9\u6837\u7684\u63a5\u53e3\uff0c\u63a8\u884c\u96be\u5ea6\u5927\uff0c\u6240\u4ee5\u4e00\u822c\u4e0d\u63a8\u8350\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u3002<\/p>\n

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              \u672c\u5730\u6d88\u606f\u8868<\/h3>\n

              \"\"<\/p>\n

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              \n\u7528\u6237 A \u5411\u7528\u6237 B \u53d1\u8d77\u8f6c\u8d26\uff0c\u9996\u5148\u7cfb\u7edf\u4f1a\u6263\u6389\u7528\u6237 A \u8d26\u6237\u4e2d\u7684\u91d1\u989d\uff0c\u5c06\u8be5\u8f6c\u8d26\u6d88\u606f\u5199\u5165\u6d88\u606f\u8868\u4e2d\uff0c\u5982\u679c\u4e8b\u52a1\u6267\u884c\u5931\u8d25\u5219\u8f6c\u8d26\u5931\u8d25\uff0c\u5982\u679c\u8f6c\u8d26\u6210\u529f\uff0c\u7cfb\u7edf\u4e2d\u4f1a\u6709\u5b9a\u65f6\u8f6e\u8be2\u6d88\u606f\u8868\uff0c\u5f80 mq \u4e2d\u5199\u5165\u8f6c\u8d26\u6d88\u606f\uff0c\u5931\u8d25\u91cd\u8bd5\u3002mq \u6d88\u606f\u4f1a\u88ab\u5b9e\u65f6\u6d88\u8d39\u5e76\u5f80\u7528\u6237 B \u4e2d\u8d26\u6237\u589e\u52a0\u8f6c\u8d26\u91d1\u989d\uff0c\u6267\u884c\u5931\u8d25\u4f1a\u4e0d\u65ad\u91cd\u8bd5\u3002<\/p>\n

              \"\"<\/p>\n

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              \u6700\u5927\u52aa\u529b\u901a\u77e5<\/h3>\n

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              \"\"<\/p>\n

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              \"\"<\/p>\n

              \u603b\u7ed3<\/h2>\n

              \u672c\u6587\u4ecb\u7ecd\u4e86\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u4e00\u4e9b\u57fa\u7840\u7406\u8bba\uff0c\u5e76\u5bf9\u5e38\u7528\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u65b9\u6848\u8fdb\u884c\u4e86\u8bb2\u89e3\uff0c\u5728\u6587\u7ae0\u7684\u540e\u534a\u90e8\u5206\u4e3b\u8981\u7ed9\u51fa\u4e86\u5404\u79cd\u65b9\u6848\u7684\u5e38\u7528\u573a\u666f\u3002\u5206\u5e03\u5f0f\u4e8b\u52a1\u672c\u8eab\u5c31\u662f\u4e00\u4e2a\u6280\u672f\u96be\u9898\uff0c\u4e1a\u52a1\u4e2d\u5177\u4f53\u4f7f\u7528\u54ea\u79cd\u65b9\u6848\u8fd8\u662f\u9700\u8981\u6839\u636e\u81ea\u8eab\u4e1a\u52a1\u7279\u70b9\u81ea\u884c\u9009\u62e9\uff0c\u6bcf\u79cd\u65b9\u6848\u5728\u5b9e\u9645\u6267\u884c\u8fc7\u7a0b\u4e2d\u9700\u8981\u8003\u8651\u7684\u70b9\u90fd\u975e\u5e38\u591a\uff0c\u590d\u6742\u5ea6\u8f83\u5927\uff0c\u6240\u4ee5\u5728\u975e\u5fc5\u8981\u7684\u60c5\u51b5\u4e0b\uff0c\u5206\u5e03\u5f0f\u4e8b\u52a1\u80fd\u4e0d\u7528\u5c31\u5c3d\u91cf\u4e0d\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u57fa\u7840\u7406\u8bba \u4e8b\u52a1 ACID\u7279\u6027\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\u8981\u4e48\u4e00\u4e2a\u90fd\u4e0d\u505a\u6ca1\u6709\u4e2d\u95f4\u72b6\u6001\u3002\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u79bb\u6027\u3001\u6301\u4e45\u6027\u3002 \u5206\u5e03\u5f0f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[403],"class_list":["post-1889","post","type-post","status-publish","format-standard","hentry","category-15","tag-403"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1889"}],"version-history":[{"count":12,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1889\/revisions"}],"predecessor-version":[{"id":3800,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1889\/revisions\/3800"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}