{"id":10006029,"date":"2022-07-27T23:16:43","date_gmt":"2022-07-27T15:16:43","guid":{"rendered":"https:\/\/ityet.com\/?p=10006029"},"modified":"2022-07-27T23:16:43","modified_gmt":"2022-07-27T15:16:43","slug":"seata-%e5%9c%a8%e8%9a%82%e8%9a%81%e5%9b%bd%e9%99%85%e9%93%b6%e8%a1%8c%e4%b8%9a%e5%8a%a1%e7%9a%84%e8%90%bd%e5%9c%b0%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006029","title":{"rendered":"Seata \u5728\u8682\u8681\u56fd\u9645\u94f6\u884c\u4e1a\u52a1\u7684\u843d\u5730\u5b9e\u8df5"},"content":{"rendered":"<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228908\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6587\uff5c\u674e\u4e54\uff08\u82b1\u540d\uff1a\u5357\u6865)\u3001\u674e\u5b97\u6770\uff08\u82b1\u540d\uff1a\u767d\u9e70)<\/p>\n<p>\u674e\u4e54\uff1a\u8682\u8681\u96c6\u56e2\u9ad8\u7ea7\u5f00\u53d1\u5de5\u7a0b\u5e08\uff0c\u8d1f\u8d23\u8682\u8681\u5883\u5916\u94f6\u884c\u652f\u4ed8\u7ed3\u7b97\u7cfb\u7edf\u5f00\u53d1<\/p>\n<p>\u674e\u5b97\u6770\uff1a\u8682\u8681\u96c6\u56e2\u6280\u672f\u4e13\u5bb6\uff0c\u8d1f\u8d23\u8682\u8681\u5206\u5e03\u5f0f\u4e8b\u52a1\u4e2d\u95f4\u4ef6\u7814\u53d1<\/p>\n<p><strong>\u672c\u6587 11580 \u5b57 \u9605\u8bfb\u00a025 \u5206\u949f<\/strong><\/p>\n<h2>PART. 1&#8211;\u80cc\u666f<\/h2>\n<p>\u8682\u8681\u56fd\u9645\u5883\u5916\u94f6\u884c\u4e1a\u52a1\u6b63\u5728\u90e8\u5206\u8fc1\u79fb\u81f3\u963f\u91cc\u4e91\uff0c\u539f\u5185\u90e8\u4f7f\u7528\u7684 SOFA \u6280\u672f\u6808\u65e0\u6cd5\u5728\u963f\u91cc\u4e91\u4e0a\u5f97\u5230\u652f\u6301\u3002\u4e3a\u4e86\u6ee1\u8db3\u94f6\u884c\u4e1a\u52a1\u5feb\u901f\u53d1\u5c55\u3001\u7b80\u5316\u94f6\u884c\u7cfb\u7edf\u6280\u672f\u6808\u7684\u76ee\u6807\uff0c\u6211\u4eec\u91c7\u7528\u4e86 Spring+Dubbo \u7b49\u4e00\u5957\u5f00\u6e90\u7684\u6280\u672f\u65b9\u6848\u91cd\u65b0\u6784\u5efa\u8d77\u4e86\u65b0\u7684\u6280\u672f\u6808\u3002\u8682\u8681\u96c6\u56e2\u4f5c\u4e3a\u91d1\u878d\u673a\u6784\uff0c\u5185\u90e8\u5e94\u7528\u91c7\u7528\u4e86\u5fae\u670d\u52a1\u67b6\u6784\uff0c\u6570\u636e\u95f4\u7684\u4e00\u81f4\u6027\u6781\u5176\u91cd\u8981\uff0c\u4f46\u8682\u8681\u5185\u90e8\u539f\u6709\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u6846\u67b6\uff0c\u5728\u963f\u91cc\u4e91\u4e0a\u4e5f\u65e0\u6cd5\u63d0\u4f9b\u6280\u672f\u652f\u6301\u3002<\/p>\n<p>Seata \u662f\u5206\u5e03\u5f0f\u4e8b\u52a1\u89e3\u51b3\u65b9\u6848\uff0c\u56ca\u62ec\u4e86\u963f\u91cc\u96c6\u56e2\u7684 TXC <em>\uff08\u963f\u91cc\u4e91\u7248\u672c\u79f0\u4e3a GTS\uff09<\/em> \u548c\u8682\u8681\u96c6\u56e2\u7684 TCC\/SAGA \u7b49\u591a\u79cd\u6a21\u5f0f\uff0c\u662f\u4e00\u6b3e\u7ecf\u8fc7\u591a\u5e74\u53cc\u5341\u4e00\u5927\u89c4\u6a21\u6d41\u91cf\u9a8c\u8bc1\u7684\u91d1\u878d\u7ea7\u5206\u5e03\u5f0f\u4e8b\u52a1\u6846\u67b6\u3002\u56e0\u6b64\u5728\u7efc\u5408\u6bd4\u8f83\u5404\u4e2a\u73b0\u6709\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u6846\u67b6\u4e4b\u540e\uff0c\u6211\u4eec\u9009\u62e9\u4e86 Seata\u3002<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u8682\u8681\u96c6\u56e2\u5883\u5916\u94f6\u884c\u6280\u672f\u90e8\u5728\u56fd\u9645\u7ad9\u70b9\u5efa\u8bbe\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u7528\u5f00\u6e90\u7684 Seata 1.4.2 \u7248\u672c\u8fdb\u884c\u5206\u5e03\u5f0f\u4e8b\u52a1\u7ba1\u7406\u7684\u8be6\u7ec6\u65b9\u6848\u3002\u540c\u65f6\u672c\u6587\u4e5f\u4ecb\u7ecd\u5982\u4f55\u5728\u5ba2\u6237\u7aef\u5b9e\u73b0\u5bf9\u4e8b\u52a1\u60ac\u6302\u3001\u5e42\u7b49\u3001\u7a7a\u63d0\u4ea4\u4ee5\u53ca\u7a7a\u56de\u6eda\u7b49\u60c5\u5f62\u7684\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n<h2>PART. 2&#8211;\u8c03\u7814<\/h2>\n<p>Seata \u7ecf\u8fc7\u56db\u5e74\u5efa\u8bbe\u540e\uff0c\u5df2\u7ecf\u5f62\u6210\u4e86\u4e00\u4e2a\u975e\u5e38\u5e9e\u5927\u7684\u6280\u672f\u4f53\u7cfb\u3002\u4f46\u4e0d\u7ba1\u5176\u5982\u4f55\u6f14\u8fdb\uff0cSeata \u6574\u4f53\u4fdd\u6301\u4e86\u67b6\u6784\u7684\u7a33\u5b9a\u6027\u4e0e\u4f7f\u7528\u63a5\u53e3\u7684\u5411\u540e\u517c\u5bb9\u6027\u3002<\/p>\n<h3>2.1&#8211;Seata \u67b6\u6784<\/h3>\n<p>Seata \u5b98\u7f51\u7ed9\u51fa\u4e86\u5176\u5982\u4e0b\u67b6\u6784\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228909\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><strong>\u603b\u4f53\u7531\u5982\u4e0b\u89d2\u8272\u6784\u6210\uff1a<\/strong><\/p>\n<p>\u25cfTC: Transaction Coordinator<\/p>\n<p>\u4e8b\u52a1\u534f\u8c03\u5668\uff1a\u7ef4\u62a4\u5168\u5c40\u4e8b\u52a1\u548c\u5206\u652f\u4e8b\u52a1\u7684\u72b6\u6001\uff0c\u9a71\u52a8\u5168\u5c40\u4e8b\u52a1\u63d0\u4ea4\u6216\u8005\u56de\u6eda\u3002<\/p>\n<p>\u25cfTM: Transaction Manager<\/p>\n<p>\u4e8b\u52a1\u7ba1\u7406\u5668\uff1a\u5b9a\u4e49\u5168\u5c40\u4e8b\u52a1\u7684\u8303\u56f4\uff0c\u63d0\u4ea4\u6216\u8005\u56de\u6eda\u5168\u5c40\u4e8b\u52a1\u3002<\/p>\n<p>\u25cfRM\uff1aResource Manager<\/p>\n<p>\u8d44\u6e90\u7ba1\u7406\u5668\uff1a\u548c\u5206\u652f\u4e8b\u52a1\u5728\u540c\u4e00\u4e2a\u5e94\u7528\uff0c\u8fdb\u884c\u5206\u652f\u4e8b\u52a1\u7684\u6ce8\u518c\uff0c\u62a5\u544a\u5206\u652f\u4e8b\u52a1\u7684\u72b6\u6001\uff0c\u9a71\u52a8\u5206\u652f\u4e8b\u52a1\u7684\u63d0\u4ea4\u6216\u8005\u56de\u6eda\u3002<\/p>\n<p>TC \u4e0e TM \u4ee5\u53ca\u5404\u4e2a RM \u4e4b\u95f4\u4f7f\u7528 netty \u6846\u67b6\u8fdb\u884c\u957f\u94fe\u63a5\u901a\u4fe1\uff0c\u901a\u4fe1\u534f\u8bae\u662f\u5728\u56db\u5c42 TCP \u534f\u8bae\u4e4b\u4e0a\u81ea\u5b9a\u4e49\u7684\u4e00\u5957\u4e8c\u8fdb\u5236\u53cc\u5411\u901a\u4fe1\u534f\u8bae\uff0c\u6240\u4ee5 Seata \u603b\u4f53\u7684\u901a\u4fe1\u6548\u7387\u975e\u5e38\u9ad8\u3002<\/p>\n<h3>2.2&#8211;\u4e8b\u52a1\u6a21\u5f0f<\/h3>\n<p>\u5728\u8fd9\u5957\u67b6\u6784\u4e4b\u4e0a\uff0cSeata \u63d0\u4f9b\u4e86 TCC\u3001AT\u3001SAGA \u548c XA \u56db\u79cd\u4e8b\u52a1\u6a21\u5f0f\uff1a<\/p>\n<p><strong>TCC \u6a21\u5f0f<\/strong><\/p>\n<p>\u53c2\u4e0e\u8005\u9700\u8981\u5b9e\u73b0 Prepare\/Commit\/Rollback \u63a5\u53e3\uff0c\u5728\u4e00\u9636\u6bb5\u5b9e\u73b0\u6570\u636e\u8d44\u6e90\u7684\u9884\u5904\u7406\uff0c\u5728\u4e8c\u9636\u6bb5\u5b9e\u73b0\u63d0\u4ea4\u548c\u56de\u6eda\u903b\u8f91\u5b8c\u6210\u4e24\u9636\u6bb5\u7684\u63d0\u4ea4\u3002\u4f18\u70b9\u662f\u901a\u8fc7\u4e1a\u52a1\u903b\u8f91\u5b9e\u73b0\u6570\u636e\u53ef\u89c1\u6027\u548c\u9694\u79bb\u6027\uff0c\u5feb\u901f\u91ca\u653e\u672c\u5730\u4e8b\u52a1\uff0c\u63d0\u9ad8\u5bf9\u540c\u4e00\u4e2a\u8d44\u6e90\u7684\u5e76\u53d1\u5ea6\uff0c\u7f3a\u70b9\u662f\u5f15\u5165\u4e86\u4e2d\u95f4\u6570\u636e\u7684\u9884\u5904\u7406\u8fc7\u7a0b\uff0c\u589e\u52a0\u4e86\u4e1a\u52a1\u590d\u6742\u5ea6\u3002\u56e0\u6b64 TCC \u6a21\u5f0f\u5177\u6709\u5f88\u597d\u7684\u6027\u80fd\u4e0e\u9694\u79bb\u6027\uff0c\u5c24\u5176\u9002\u5408\u5728\u94f6\u884c\u91d1\u878d\u573a\u666f\u4e0b\u540c\u4e00\u4e2a\u8d26\u6237\u7684\u5e76\u53d1\u4ea4\u6613\u5904\u7406\u3002<\/p>\n<p><strong>AT \u6a21\u5f0f<\/strong><\/p>\n<p>\u5728\u4e00\u9636\u6bb5\u65f6\u901a\u8fc7\u89e3\u6790 SQL\uff0c\u751f\u6210\u4e8c\u9636\u6bb5\u56de\u6eda\u65e5\u5fd7\uff1a\u4e8c\u9636\u6bb5\u63d0\u4ea4\u65f6\uff0c\u5220\u9664\u56de\u6eda\u65e5\u5fd7\uff1b\u4e8c\u9636\u6bb5\u56de\u6eda\u65f6\uff0c\u901a\u8fc7\u56de\u6eda\u65e5\u5fd7\u6765\u6062\u590d\u8bb0\u5f55\u5230\u4e00\u9636\u6bb5\u4e4b\u524d\u7684\u72b6\u6001\u3002\u7c7b\u4f3c\u4e8e TCC \u7684\u4e24\u9636\u6bb5\uff0c\u4e0d\u8fc7\u4e8c\u9636\u6bb5\u7684 Commit\/Rollback \u7531\u6846\u67b6\u81ea\u52a8\u751f\u6210\uff0c\u81ea\u52a8\u5b9e\u73b0\u4e86\u4e8c\u9636\u6bb5\u64cd\u4f5c\uff0c\u6613\u7528\u6027\u597d\u4e8e TCC\u3002\u4f46 AT \u6a21\u5f0f\u901a\u8fc7\u5168\u5c40\u9501\u6765\u5b9e\u73b0\u6570\u636e\u7684\u9694\u79bb\u6027\uff0c\u56e0\u6b64\u5bf9\u4e8e\u540c\u4e00\u4e2a\u8d44\u6e90\u7684\u4e8b\u52a1\u5904\u7406\u53ea\u80fd\u4e32\u884c\u64cd\u4f5c\uff0c\u6240\u4ee5\u6027\u80fd\u900a\u4e8e TCC\u3002\u5f53\u7136\u5982\u679c\u4e0d\u5b58\u5728\u5e76\u53d1\u4f7f\u7528\u540c\u4e00\u4e2a\u8d44\u6e90\u7684\u573a\u666f\uff0c\u5219 AT \u6a21\u5f0f\u53ef\u4ee5\u5f88\u597d\u7684\u517c\u987e\u6027\u80fd\u548c\u9694\u79bb\u6027\uff0c\u4ee5\u53ca\u66f4\u597d\u7684\u5f00\u53d1\u6548\u7387\u3002<\/p>\n<p><strong>SAGA \u6a21\u5f0f<\/strong><\/p>\n<p>\u662f\u4e00\u79cd\u957f\u4e8b\u52a1\u89e3\u51b3\u65b9\u6848\uff0c\u5176\u4e00\u9636\u6bb5\u6b63\u5411\u670d\u52a1\u548c\u4e8c\u9636\u6bb5\u8865\u507f\u670d\u52a1\u90fd\u7531\u4e1a\u52a1\u5f00\u53d1\u5b9e\u73b0\uff0c\u5b83\u5728\u5fae\u670d\u52a1\u7f16\u6392\u9886\u57df\u6709\u5927\u91cf\u5e94\u7528\u3002\u4f46\u5176\u6570\u636e\u9694\u79bb\u6027\u4e0d\u597d\uff0c\u4e1a\u52a1\u6570\u636e\u6709\u88ab\u810f\u5199\u7684\u98ce\u9669\u3002<\/p>\n<p><strong>XA \u6a21\u5f0f<\/strong><\/p>\n<p>\u5176\u4f7f\u7528\u63a5\u53e3\u4e0e AT \u6a21\u5f0f\u4e00\u81f4\uff0c\u63d0\u4f9b\u4e86\u6700\u4e25\u683c\u7684\u9694\u79bb\u6027\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u4e86\u7528\u6237\u4e0d\u4f1a\u51fa\u73b0\u810f\u8bfb\u3002XA \u6a21\u5f0f\u7684\u7f3a\u70b9\u662f\u5176\u4e8b\u52a1\u8303\u56f4\u8f83\u957f\uff0c\u5176\u6027\u80fd\u8f83\u4f4e\u3002<\/p>\n<h3>2.3&#8211;\u5c0f\u7ed3<\/h3>\n<p>Seata \u56db\u79cd\u6a21\u5f0f\u90fd\u662f\u4e8c\u9636\u6bb5\u4e8b\u52a1\u7684\u6280\u672f\u5b9e\u73b0\u3002\u7ed3\u5408 Seata \u81ea\u8eab\u7684\u6280\u672f\u67b6\u6784\uff0c\u5176\u4e8b\u52a1\u6a21\u578b\u603b\u4f53\u6709\u5982\u4e0b\u7279\u70b9\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228910\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h2>PART. 3&#8211;\u5b9e\u8df5<\/h2>\n<p>\u8fdb\u884c\u603b\u4f53\u6280\u672f\u8c03\u7814\u540e\uff0c\u6211\u4eec\u8ba4\u4e3a Seata \u7684\u603b\u4f53\u6280\u672f\u6808\u53ef\u4ee5\u6ee1\u8db3\u6211\u4eec\u6240\u6709\u91d1\u878d\u4e1a\u52a1\u573a\u666f\u7684\u9700\u6c42\u3002\u5728\u5b9e\u65bd\u8fc7\u7a0b\u4e2d\uff0c\u5728\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u4e0b\u6839\u636e\u4e0d\u540c\u7684\u6280\u672f\u9700\u6c42\u8fdb\u884c\u4e86\u53d6\u820d\uff0c\u6211\u4eec\u5728\u53d1\u8d77\u8005\u672c\u5730\u7684\u4ea4\u6613\u6d41\u6c34\u90e8\u5206\u4f7f\u7528\u4e86 AT \u6a21\u5f0f\uff0c\u5728\u4e0b\u6e38\u8d26\u6237\u76f8\u5173\u7684\u670d\u52a1\u4e2d\u4f7f\u7528\u4e86 TCC \u6a21\u5f0f\u3002\u672c\u7ae0\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u4ee5\u4e1a\u52a1\u4e2d\u6700\u7ecf\u5178\u7684\u8d26\u52a1\u4f59\u989d\u6a21\u578b\u4e3a\u4f8b\u8be6\u8ff0\u672c\u6b21\u5b9e\u8df5\uff0c\u5305\u62ec\u4e3a\u4e86\u9002\u914d\u76f8\u5e94\u7684\u4e8b\u52a1\u6a21\u578b\u6240\u505a\u7684\u5de5\u4f5c\u3002<\/p>\n<h3>3.1&#8211;\u4ea4\u6613\u6d41\u6c34\u4f7f\u7528 AT \u6a21\u5f0f<\/h3>\n<p>\u4e3a\u4e86\u8bb0\u5f55\u6bcf\u6b21\u7684\u4ea4\u6613\u6d41\u6c34\u72b6\u6001\uff0c\u5728\u53d1\u8d77\u6bcf\u7b14\u4ea4\u6613\u524d\uff0c\u6211\u4eec\u90fd\u8981\u5c06\u672c\u6b21\u4ea4\u6613\u6d41\u6c34\u505a\u8bb0\u5f55\uff0c\u4ea4\u6613\u72b6\u6001\u6d41\u6c34\u7b80\u5316\u6a21\u578b\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228911\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5728\u63a5\u6536\u5230\u8bf7\u6c42\u65f6\uff0c\u9996\u5148\u8bb0\u5f55\u521d\u59cb\u5316\u72b6\u6001\u7684\u4ea4\u6613\u6d41\u6c34\uff0c\u7136\u540e\u53d1\u8d77\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002\u672c\u6b21\u4ea4\u6613\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u6267\u884c\u6210\u529f\u540e\uff0c\u9884\u671f\u8be5\u7b14\u4ea4\u6613\u6d41\u6c34\u9700\u8981\u662f\u6267\u884c\u6210\u529f\u72b6\u6001\u3002\u4e3a\u4e86\u5bf9\u5931\u8d25\u7684\u4ea4\u6613\u53d1\u8d77\u91cd\u8bd5\uff0c\u6211\u4eec\u542f\u52a8\u4e86\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\uff0c\u5b9a\u65f6\u626b\u63cf\u4ea4\u6613\u6d41\u6c34\u72b6\u6001\uff0c\u626b\u63cf\u5230\u4e00\u5b9a\u65f6\u95f4\u540e\u672a\u5b8c\u6210\u7684\u8bb0\u5f55\u9700\u8981\u91cd\u65b0\u53d1\u8d77\u91cd\u8bd5\u3002<\/p>\n<p>\u4ece\u4e0a\u9762\u7684\u573a\u666f\u53ef\u4ee5\u770b\u51fa\uff0c\u5728\u53d1\u8d77\u8005\u7684\u4ea4\u6613\u6d41\u6c34\u8bb0\u5f55\u7684\u72b6\u6001\u53d8\u66f4\u4e2d\uff0c\u4e5f\u9700\u8981\u53c2\u4e0e\u5230\u6574\u4e2a\u5206\u5e03\u5f0f\u4e8b\u52a1\u4e2d\u3002\u5206\u5e03\u5f0f\u4e8b\u52a1\u6210\u529f\uff0c\u5219\u6d41\u6c34\u72b6\u6001\u9700\u8981\u66f4\u65b0\u4e3a\u6210\u529f\uff0c\u5982\u679c\u5206\u5e03\u5f0f\u4e8b\u52a1\u5931\u8d25\uff0c\u5219\u9700\u8981\u66f4\u65b0\u4e3a\u5931\u8d25\u3002\u540c\u65f6\u4ea4\u6613\u6d41\u6c34\u8bb0\u5f55\u4e4b\u95f4\u662f\u72ec\u7acb\u7684\uff0c\u4e0d\u5b58\u5728\u5e76\u53d1\u64cd\u4f5c\u7684\u53ef\u80fd\uff0c\u53ea\u6709\u5f02\u6b65\u4efb\u52a1\u7684\u626b\u63cf\u624d\u4f1a\u548c\u4ea4\u6613\u4e2d\u7684\u4e8b\u52a1\u505a\u62a2\u9501\u5904\u7406\u3002<\/p>\n<p>\u9488\u5bf9\u8fd9\u4e2a\u573a\u666f\uff0c\u5c31\u975e\u5e38\u9002\u5408\u4f7f\u7528 AT \u6a21\u5f0f\uff0c\u65e0\u9700\u901a\u8fc7\u4e1a\u52a1\u4ee3\u7801\u8bb0\u5f55\u4e8b\u52a1\u6267\u884c\u72b6\u6001\uff0c\u800c\u662f\u76f4\u63a5\u5728\u53d1\u8d77\u8005\u4e2d\u901a\u8fc7 AT \u6a21\u5f0f\u63d0\u4f9b\u7684\u4ee3\u7406\u6570\u636e\u6e90\u6267\u884c\u4fee\u6539\u6d41\u6c34\u72b6\u6001\u4e3a\u201c\u6267\u884c\u6210\u529f\u201d\u72b6\u6001\uff0c\u7531\u6846\u67b6\u81ea\u52a8\u5b8c\u6210 AT \u6a21\u5f0f\u4e0b\u7684\u4e00\u4e8c\u9636\u6bb5\u7684\u63d0\u4ea4\u548c\u56de\u6eda\uff0c\u4fdd\u8bc1\u4ea4\u6613\u6d41\u6c34\u72b6\u6001\u548c\u6574\u4f53\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u72b6\u6001\u4e00\u81f4\uff0c\u540c\u65f6\u53ef\u4ee5\u4fdd\u6301\u7b80\u6d01\u7684\u4ee3\u7801\u548c\u66f4\u9ad8\u7684\u5f00\u53d1\u6548\u7387\u3002<\/p>\n<h3>3.2&#8211;\u8d26\u6237\u4f7f\u7528 TCC \u6a21\u5f0f<\/h3>\n<p>\u4ece\u4e1a\u52a1\u539f\u7406\u4e0a\u6765\u5206\u6790\uff0c\u8d26\u6237\u7684\u4f59\u989d\u662f\u4e0d\u80fd\u51ed\u7a7a\u589e\u52a0\u6216\u8005\u51cf\u5c11\u7684\uff0c\u6bcf\u4e2a\u4f59\u989d\u53d8\u52a8\u5fc5\u987b\u6709\u660e\u7ec6\u5bf9\u5e94\u3002\u6240\u4ee5\u8d26\u6237\u4f59\u989d\u6a21\u578b\u5e94\u8be5\u5177\u5907\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u8981\u7d20\uff1a\u8d26\u6237 <em>\uff08\u660e\u786e\u5230\u5e95\u662f\u8c01\u7684\u8d26\u6237\uff09\u3001<\/em> \u4f59\u989d <em>\uff08\u627f\u8f7d\u7684\u5ba2\u6237\u8d44\u4ea7\u5177\u4f53\u6570\u503c\uff09\u3001<\/em> \u8d26\u52a1\u660e\u7ec6 <em>\uff08\u8bb0\u8f7d\u8d26\u6237\u4f59\u989d\u53d8\u52a8\u7684\u6570\u503c\u3001\u65f6\u95f4\u548c\u539f\u56e0\uff09<\/em> \u3002\u8fd9\u4e09\u4e2a\u5176\u5b9e\u6784\u6210\u4e86\u6700\u6734\u7d20\u7684\u8d26\u6237\u4f59\u989d\u6a21\u578b\u3002<\/p>\n<p>\u6839\u636e\u4ece\u4e1a\u52a1\u539f\u7406\u7684\u5206\u6790\uff0c\u6211\u4eec\u5c31\u4ea7\u751f\u4e86\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u8d26\u6237\u4f59\u989d\u57fa\u7840\u6570\u636e\u6a21\u578b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228912\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><strong>\u8d26\u6237\uff08ip_account\uff09<\/strong><\/p>\n<p>\u8d26\u6237\u6a21\u578b\u786e\u5b9a\u4e86\u57fa\u672c\u7684\u8d26\u6237\u4fe1\u606f\uff1a<\/p>\n<p>\u25cf\u8d26\u53f7\uff1a\u8be5\u8d26\u53f7\u4e0e\u4f1a\u5458\u7684\u4fe1\u606f\u6620\u5c04\u5728\u4e00\u8d77\uff0c\u4f5c\u4e3a\u4f1a\u5458\u7684\u4f59\u989d\u8d44\u4ea7\uff1b<\/p>\n<p>\u25cf\u8d26\u6237\u7c7b\u578b\uff1a\u5bf9\u516c <em>\uff08\u5546\u6237\u8d26\u53f7\uff09<\/em> \uff0c\u5bf9\u79c1 <em>\uff08\u4e2a\u4eba\u8d26\u53f7\uff09<\/em> \uff0c\u5e73\u53f0\u6237\u3001\u8425\u9500\u6237\u3001\u5546\u6237\u5f85\u7ed3\u7b97\u8d26\u6237\u7b49\u7c7b\u578b\uff1b<\/p>\n<p>\u25cf\u4f59\u989d\uff1a\u8bb0\u5f55\u5f53\u524d\u5ba2\u6237\u8d44\u4ea7\u5177\u4f53\u6570\u636e\u7684\u4f59\u989d\uff1b<\/p>\n<p>\u25cf\u4ea4\u6613\u72b6\u6001\uff1a\u63a7\u5236\u56db\u79cd\u4ea4\u6613\u65b9\u5f0f\uff1a\u6d41\u5165\u3001\u6d41\u51fa\u3001\u5145\u503c\u3001\u63d0\u73b0\uff0c\u8fd9\u662f\u5728\u8d26\u52a1\u5c42\u505a\u7684\u4e00\u4e2a\u8d44\u91d1\u5b89\u5168\u515c\u5e95\u4fdd\u969c\u3002\u6bcf\u4e00\u79cd\u7c7b\u578b\u7528 T\/F \u6765\u8868\u793a\u662f\u5426\u53ef\u4ee5\u8fdb\u884c\u6b64\u7c7b\u4ea4\u6613\uff0cT \u662f\u53ef\u4ee5\uff0cF \u662f\u4e0d\u53ef\u4ee5 \uff1b<\/p>\n<p>\u25cf\u6838\u7b97\u4e3b\u4f53\uff1a\u7528\u4e8e\u8868\u793a\u5f53\u524d\u8d26\u53f7\u5728\u90a3\u4e2a\u6838\u7b97\u4e3b\u4f53\u4e0b\u9762\u8fdb\u884c\u6838\u7b97\u3002<\/p>\n<p><strong>\u8d26\u6237\u660e\u7ec6\uff08ip_account_log,ip_trans_log\uff09<\/strong><\/p>\n<p>ip_trans_log \u662f\u6307\u8d26\u6237\u7684\u4ea4\u6613\u660e\u7ec6\uff0c\u7528\u4e8e\u89e3\u91ca\u4e3a\u4ec0\u4e48\u8fd9\u4e2a\u8d26\u6237\u662f\u8981\u53d1\u751f\u8fd9\u7b14\u8bb0\u8d26\u8bf7\u6c42\u3002\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e1a\u52a1\u539f\u59cb\u51ed\u8bc1\uff0c\u7528\u4e8e\u548c\u4e1a\u52a1\u7cfb\u7edf\u6570\u636e\u5173\u8054\u6821\u9a8c\u3002\u4ee5\u4f60\u7528\u652f\u4ed8\u5b9d\u5728\u4fbf\u5229\u5e97\u4e70\u4e86\u4e00\u74f6\u77ff\u6cc9\u6c34\u4e3a\u4f8b\uff0c\u5c31\u662f\u8bb0\u5f55\u7684\u8fd9\u82b1 2 \u5143\u4e70\u6c34\u7684\u539f\u59cb\u4fe1\u606f\u3002<\/p>\n<p>ip_account_log \u662f\u6307\u8d26\u52a1\u660e\u7ec6\uff0c\u7528\u4e8e\u89e3\u91ca\u8fd9\u4e2a\u8d26\u6237\u5230\u5e95\u6263\u51cf\u4e86\u591a\u5c11\u94b1\uff0c\u8bb0\u8d26\u7684\u5bf9\u65b9\u8d26\u6237\u662f\u8c01\u3002\u4ecd\u7136\u4ee5\u4f60\u7528\u652f\u4ed8\u5b9d\u5728\u4fbf\u5229\u5e97\u4e70\u4e86\u4e00\u74f6 2 \u5757\u94b1\u7684\u6c34\u4e3a\u4f8b\u3002\u8fd9\u91cc\u5c31\u8bb0\u5f55\u4e24\u6761\u8bb0\u8d26\u660e\u7ec6\uff0c\u4e00\u6761\u662f\u4ece\u4f60\u7684\u652f\u4ed8\u5b9d\u8d26\u53f7\u6263\u9664 2 \u5143\uff0c\u4e00\u6761\u662f\u4fbf\u5229\u5e97\u7684\u5546\u6237\u5f85\u7ed3\u7b97\u8d26\u53f7\u4e0a\u589e\u52a0 2 \u5143\u3002<\/p>\n<p>\u8682\u8681\u56fd\u9645\u5883\u5916\u94f6\u884c\u7684\u8fd9\u7c7b\u5bf9\u8d26\u6237\u64cd\u4f5c\u7684\u4e1a\u52a1\u5177\u6709\u8f83\u9ad8\u7684\u91d1\u878d\u5c5e\u6027\uff0c\u5bf9\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u3001\u9ad8\u6027\u80fd\u65b9\u9762\u5747\u63d0\u51fa\u4e00\u5b9a\u7684\u8981\u6c42\uff0c\u540c\u65f6\u8981\u5bf9\u8d26\u6237\u3001\u4ea4\u6613\u6570\u636e\u4e4b\u95f4\u505a\u4e00\u81f4\u6027\u5904\u7406\uff0c\u800c\u4e14\u5bf9\u5e76\u53d1\u8bf7\u6c42\u7684\u9694\u79bb\u6027\u8981\u6c42\u6781\u9ad8\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u8fd9\u56db\u79cd\u6a21\u5f0f\u4e0b\u6211\u4eec\u9996\u5148\u6392\u9664\u6389\u4e86\u9694\u79bb\u6027\u8f83\u5dee\u7684 SAGA \u6a21\u5f0f\uff0c\u8fd9\u79cd\u8d26\u52a1\u64cd\u4f5c\u7684\u4e1a\u52a1\u573a\u666f\u4e0b\uff0c\u4f7f\u7528 AT \u6a21\u5f0f\u4f1a\u5bf9\u6574\u4e2a\u8d26\u6237\u8fdb\u884c\u52a0\u9501\uff0cXA \u6a21\u5f0f\u540c\u6837\u56e0\u4e3a\u957f\u4e8b\u52a1\u539f\u56e0\u4f1a\u6709\u6027\u80fd\u95ee\u9898\u3002\u800c\u4f7f\u7528 TCC \u6a21\u5f0f\u53ea\u9700\u51bb\u7ed3\u53d8\u52a8\u7684\u91d1\u989d\u5c31\u884c\uff0c\u6240\u4ee5 TCC \u6a21\u5f0f\u56e0\u5176\u6027\u80fd\u3001\u9694\u79bb\u6027\u65b9\u9762\u7684\u7a81\u51fa\u4f18\u70b9\u88ab\u6211\u4eec\u9009\u7528\uff0c\u4e0b\u9762\u4ecb\u7ecd\u4e00\u4e0b\u6211\u4eec\u5728\u4f7f\u7528 Seata \u505a\u5206\u5e03\u5f0f\u4e8b\u52a1\u5b9e\u8df5\u4e2d\u7684\u4e1a\u52a1\u6a21\u578b\u8f6c\u6362\u3002<\/p>\n<p>\u5728 TCC \u6a21\u5f0f\u4e2d\u5305\u542b\u7740\u4e24\u4e2a\u89d2\u8272\uff1a\u4e8b\u52a1\u534f\u8c03\u8005\u548c\u4e8b\u52a1\u53c2\u4e0e\u8005\u3002\u5b83\u4eec\u4e4b\u95f4\u7684\u4ea4\u4e92\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<h4>3.2.1&#8211;\u7b2c\u4e00\u9636\u6bb5\u89e3\u6790<\/h4>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228913\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u7b2c\u4e00\u9636\u6bb5\u53c8\u79f0\u4e3a\u51c6\u5907 (Prepare) \u9636\u6bb5\uff0c\u5176\u5177\u4f53\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<p><strong>1.<\/strong> \u9996\u5148\u4e8b\u52a1\u534f\u8c03\u8005\uff08\u53d1\u8d77\u8005\uff09\u6240\u5728\u7684\u8282\u70b9\u4f1a\u5411\u6240\u6709\u7684\u53c2\u4e0e\u8005\u8282\u70b9\u53d1\u9001 Prepare \u8bf7\u6c42;<\/p>\n<p><strong>2.<\/strong> \u6bcf\u4e2a\u53c2\u4e0e\u8005\u8282\u70b9\u6536\u5230 Prepare \u8bf7\u6c42\u540e\u5404\u81ea\u6267\u884c\u4e0e\u672c\u5730\u4e8b\u52a1\u6709\u5173\u7684\u6570\u636e\u66f4\u65b0\uff0c\u5305\u62ec\u4e3b\u4e8b\u52a1 ID \u548c\u5206\u652f\u4e8b\u7269 ID \u7684\u843d\u5e93\uff0c\u53ca\u4ea4\u6613\u5feb\u7167\u4fe1\u606f\u8bb0\u5f55\u7b49\uff1b<\/p>\n<p><strong>3.<\/strong> \u5982\u679c\u53c2\u4e0e\u8005\u672c\u5730\u4e8b\u52a1\u6267\u884c\u6210\u529f\uff0c\u5411\u4e8b\u52a1\u534f\u8c03\u8282\u70b9\u8fd4\u56de\u201c\u6210\u529f\u201d\u6d88\u606f\uff0c\u5426\u5219\u8fd4\u56de \u201c\u5931\u8d25\u201d\u6d88\u606f\uff1b<\/p>\n<p><strong>4.<\/strong> \u4e8b\u52a1\u534f\u8c03\u8005\u63a5\u5230\u4e86\u6240\u6709\u53c2\u4e0e\u8005\u7684\u8fd4\u56de\u6d88\u606f\u540e\uff0c\u6574\u4e2a\u5206\u5e03\u5f0f\u4e8b\u52a1\u8fdb\u5165\u7b2c\u4e8c\u9636\u6bb5\u3002<\/p>\n<p>\u672c\u8d28\u4e0a\u6765\u8bf4\uff0cTCC Prepare \u9636\u6bb5\u662f\u8981\u9884\u7559\u8d44\u6e90\u3002\u800c\u6211\u4eec\u7684\u8d26\u6237\u6a21\u578b\u7684\u5347\u7ea7\u4e5f\u6b63\u662f\u4e3a\u4e86\u652f\u6301\u4e00\u9636\u6bb5\u7684\u4f59\u989d\u9884\u7559\u3002<\/p>\n<h4>3.2.2&#8211;\u7b2c\u4e8c\u9636\u6bb5\u89e3\u6790<\/h4>\n<p>\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u7b2c\u4e8c\u9636\u6bb5\u53c8\u79f0\u4e3a\u6267\u884c <em>\uff08Execute\uff09<\/em> \u9636\u6bb5\uff0c\u5176\u5177\u4f53\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<p><strong>1.<\/strong> \u5982\u679c\u6240\u6709\u4e8b\u52a1\u53c2\u4e0e\u8005\u90fd\u5411\u4e8b\u52a1\u534f\u8c03\u8282\u70b9\u8fd4\u56de\u201c\u6210\u529f\u201d\u6d88\u606f\uff0c\u5219\u5b83\u4f1a\u5411\u6240\u6709\u7684\u53c2\u4e0e\u8005\u8282\u70b9\u53d1\u9001 Commit \u8bf7\u6c42\uff0c\u5426\u5219\u53d1\u9001 Rollback \u8bf7\u6c42\uff1b<\/p>\n<p><strong>2.<\/strong> \u6bcf\u4e2a\u53c2\u4e0e\u8005\u63a5\u5230 Commit\/Rollback \u8bf7\u6c42\u4e4b\u540e\uff0c\u5404\u81ea\u6267\u884c\u672c\u5730\u7684\u4e8b\u52a1\u63d0\u4ea4\uff0c\u5e76\u91ca\u653e\u9501\u8d44\u6e90\uff0c\u5411\u4e8b\u52a1\u534f\u8c03\u8005\u8fd4\u56de\u201c\u6267\u884c\u5b8c\u6210\u201d\u6d88\u606f\uff1b<\/p>\n<p><strong>3.<\/strong> \u4e8b\u52a1\u534f\u8c03\u8005\u63a5\u6536\u5230\u6240\u6709\u4e8b\u52a1\u53c2\u4e0e\u8005\u7684\u201c\u6267\u884c\u5b8c\u6210\u201d\u53cd\u9988\uff0c\u4fee\u6539\u4e8b\u52a1\u72b6\u6001\uff0c\u7ed3\u675f\u6d41\u7a0b\u3002<\/p>\n<p>\u5728\u6211\u4eec\u7684\u6a21\u578b\u4e2d\uff0c\u4e8c\u9636\u6bb5\u5b9e\u9645\u4e0a\u662f\u5bf9\u4e00\u9636\u6bb5\u4e2d\u5df2\u7ecf\u9884\u7559\u8d44\u6e90\u7684\u4e00\u4e2a\u786e\u8ba4\u548c\u53d6\u6d88\u64cd\u4f5c\u3002\u6bd4\u5982\u8f6c\u8d26\u8fc7\u7a0b\u4e2d\uff0c\u5728\u4e00\u9636\u6bb5\u5148\u786e\u8ba4\u662f\u5426\u4f59\u989d\u8db3\u591f\uff0c\u5982\u679c\u4f59\u989d\u8db3\u591f\uff0c\u5219\u5bf9\u9700\u8981\u8f6c\u8d26\u7684\u91d1\u989d\u8fdb\u884c\u51bb\u7ed3\u7684\u9884\u7559\u64cd\u4f5c\uff0c\u5728\u4e8c\u9636\u6bb5\u65f6\u63d0\u4ea4\u65f6\uff0c\u5373\u5b8c\u6210\u8f6c\u8d26\u65f6\uff0c\u9700\u8981\u5bf9\u4e00\u9636\u6bb5\u51bb\u7ed3\u7684\u91d1\u989d\u505a\u771f\u5b9e\u7684\u5220\u9664\u786e\u8ba4\u64cd\u4f5c\u3002<\/p>\n<h4>3.2.3&#8211;\u9002\u914d TCC \u7684\u4f59\u989d\u6a21\u578b<\/h4>\n<p>\u7ecf\u8fc7\u4e0a\u9762\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u8bb2\u89e3\uff0c\u9488\u5bf9\u5206\u5e03\u5f0f\u4e8b\u7269\u7684\u6267\u884c\u8fc7\u7a0b\uff0c\u5728\u6280\u672f\u5c42\u9762\u6211\u4eec\u5bf9\u8d26\u6237\u4f59\u989d\u6a21\u578b\u4f1a\u4ea7\u751f\u53e6\u4e00\u89d2\u5ea6\u7684\u8ba4\u8bc6\uff0c\u5728\u6574\u4e2a\u5206\u5e03\u5f0f\u4e8b\u7269\u6d89\u53ca\u7684\u91d1\u989d\u8fdb\u884c\u201c\u9501\u5b9a\u5e76\u6807\u8bc6\u201d\u53ef\u4ee5\u6682\u65f6\u7edf\u79f0\u4e3a\u201c\u4e8b\u52a1\u91d1\u989d\u201d\u3002<\/p>\n<p>\u5728\u4e1a\u52a1\u672c\u8d28\u4e0a\u6765\u8bb2\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u8d26\u6237\u53ea\u5b58\u5728\u201c\u6536\u5165\u201d\u548c\u201c\u652f\u51fa\u201d\u4e24\u79cd\u52a8\u4f5c\uff0c\u4e3a\u4e86\u8fbe\u5230\u4e00\u9636\u6bb5\u548c\u4e8c\u9636\u6bb5\u4e4b\u95f4\u4e00\u4e2a\u4e2d\u95f4\u6570\u636e\u9884\u7559\u548c\u786e\u8ba4\u7684\u76ee\u7684\uff0c\u6211\u4eec\u5c06\u5728\u4e8b\u52a1\u8fc7\u7a0b\u4e2d\u8d26\u6237\u652f\u51fa\u8bb0\u8d26\u91d1\u989d\u79f0\u4e4b\u4e3a\u7cfb\u7edf\u91d1\u989d\uff0c\u5c06\u4e8b\u52a1\u4e2d\u8d26\u6237\u6536\u5165\u91d1\u989d\u79f0\u4e4b\u4e3a\u4e8b\u52a1\u672a\u8fbe\u91d1\u989d\u3002<\/p>\n<p>\u6a21\u578b\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228914\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><strong>\u7cfb\u7edf\u91d1\u989d\uff1a<\/strong><\/p>\n<p>\u5728\u4e8b\u52a1\u5916\u4e5f\u662f\u53ef\u89c1\u7684\uff0c\u5e76\u4e14\u5728\u8d26\u6237\u6a21\u578b ip_account \u6709\u4f53\u73b0\u3002\u8fd9\u6837\u8bbe\u8ba1\u4e5f\u662f\u7b26\u5408\u4e1a\u52a1\u903b\u8f91\u7684\uff0c\u5982\u679c\u4e00\u4e2a\u8d26\u53f7\u540c\u65f6\u6709\u591a\u7b14\u4ea4\u6613\uff0c\u5b58\u5728\u591a\u4e2a\u4e8b\u52a1\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u4e8b\u52a1\u7406\u5e94\u611f\u77e5\u5f53\u524d\u88ab\u5360\u7528\u7684\u7cfb\u7edf\u91d1\u989d&#8211;\u201c\u4e8b\u52a1\u4e2d\u652f\u51fa\u91d1\u989d\u201d\uff0c\u4e0d\u7136\u6709\u900f\u652f\u98ce\u9669\uff1b<\/p>\n<p><strong>\u4e8b\u52a1\u672a\u8fbe\u91d1\u989d\uff1a<\/strong><\/p>\n<p>\u53ea\u5728\u540c\u4e00\u4e8b\u52a1\u4e2d\u53ef\u89c1\uff0c\u56e0\u4e3a\u4e8b\u52a1\u672a\u8fbe\u91d1\u989d\u5728\u6574\u4e2a\u4e8b\u52a1\u672a\u5b8c\u6210\u524d\uff0c\u90fd\u4e0d\u786e\u5b9a\u662f\u5426\u80fd\u591f\u6210\u529f\u5b8c\u6210\u6574\u4e2a\u4e8b\u52a1\uff0c\u5982\u679c\u5728\u4e8b\u52a1\u5916\u53ef\u89c1\uff0c\u6709\u53ef\u80fd\u4f1a\u88ab\u5176\u4ed6\u4e8b\u52a1\u4f7f\u7528\uff0c\u4e00\u65e6\u53d1\u751f\u56de\u6eda\uff0c\u5c31\u4f1a\u9020\u6210\u8d44\u635f\uff0c\u4ea7\u751f\u8d44\u91d1\u98ce\u9669\u3002<\/p>\n<h4>3.2.4&#8211;\u53ef\u7528\u4f59\u989d\u8ba1\u7b97<\/h4>\n<p>\u6839\u636e\u4e0a\u9762\u7684\u6a21\u578b\u548c\u5206\u6790\u53ef\u4ee5\u5f97\u77e5\uff1a<\/p>\n<p><strong>\u53ef\u7528\u4f59\u989d=\u8d26\u6237\u4f59\u989d-\u51bb\u7ed3\u91d1\u989d-\u7cfb\u7edf\u91d1\u989d+\u672c\u4e8b\u52a1\u672a\u8fbe\u4f59\u989d<\/strong><\/p>\n<h4>3.2.5&#8211;\u7cfb\u7edf\u91d1\u989d\u8ba1\u7b97<\/h4>\n<p>\u793a\u4f8b\u8868\u683c\u5982\u4e0b <em>\uff08\u7ea2\u5708\u7684\u6570\u5b57\u4e3a\u65c1\u6ce8\uff09<\/em> \uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228915\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u89e3\u91ca\u8bf4\u660e <em>\uff08\u5bf9\u7167\u8868\u683c\u4e2d\u7684\u7ea2\u5708\u65c1\u6ce8\uff09<\/em> \uff1a<\/p>\n<p><strong>1.<\/strong> \u7cfb\u7edf\u91d1\u989d\u8bb0\u5f55\u5c06\u4ed8\u672a\u4ed8\u7684\u989d\u5ea6\uff0c\u53ef\u4ee5\u770b\u6210\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u51bb\u7ed3\u3002<\/p>\n<p><strong>2.<\/strong> \u672a\u8fbe\u91d1\u989d\u662f\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u5c06\u6536\u672a\u6536\u7684\u989d\u5ea6\uff0c\u53ea\u80fd\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u88ab\u4f7f\u7528\u3002<\/p>\n<p><strong>3.<\/strong> \u4e8b\u52a1\u4e2d\u53ef\u7528\u4f59\u989d\u548c\u4e8b\u52a1\u5916\u53ef\u7528\u4f59\u989d\u662f\u6307\u4e3b\u4e8b\u52a1\u53f7\u662f\u5426\u76f8\u540c\u7684\u4ea4\u6613\uff0c\u672c\u8868\u683c\u4e3e\u7684\u4f8b\u5b50\u662f\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u7684\u591a\u6b21\u4ea4\u6613\u3002<\/p>\n<p><strong>4.<\/strong> \u4ed8\u6b3e\u9884\u5904\u7406\u8d26\u6237\u4f59\u989d\u5e76\u4e0d\u51cf\u5c11\uff0c\u800c\u662f\u589e\u52a0\u7cfb\u7edf\u91d1\u989d\u3002<\/p>\n<p><strong>5.<\/strong> \u589e\u52a0\u7cfb\u7edf\u91d1\u989d\uff0c\u6839\u636e\u53ef\u7528\u4f59\u989d\u8ba1\u7b97\u516c\u5f0f\uff0c\u5c31\u76f8\u5f53\u4e8e\u53ef\u7528\u4f59\u989d\u51cf\u5c11\u3002<\/p>\n<p><strong>6.<\/strong> \u6536\u6b3e\u9884\u5904\u7406\u8d26\u6237\u4f59\u989d\u5e76\u4e0d\u589e\u52a0\uff0c\u800c\u662f\u589e\u52a0\u672a\u8fbe\u91d1\u989d\u3002<\/p>\n<p><strong>7.<\/strong> \u672a\u8fbe\u91d1\u989d\u53ea\u6709\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u53ef\u4ee5\u4f7f\u7528\uff0c\u4e8b\u52a1\u5916\u4e0d\u53ef\u89c1\u3002<\/p>\n<p><strong>8.<\/strong> \u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u4f18\u5148\u4f7f\u7528 <em>\uff08\u51cf\u5c11\uff09<\/em> \u672a\u8fbe\u91d1\u989d\u3002<\/p>\n<p><strong>9.<\/strong> \u672a\u8fbe\u91d1\u989d\u4e0d\u591f\u652f\u4ed8\u65f6\uff0c\u4f7f\u7528 <em>\uff08\u589e\u52a0\uff09<\/em> \u7cfb\u7edf\u91d1\u989d\u3002<\/p>\n<p><strong>10.<\/strong> \u63d0\u4ea4\u65f6\u6839\u636e\u8ba1\u7b97\u516c\u5f0f\u66f4\u65b0\u8d26\u6237\u4f59\u989d\u3002<\/p>\n<p>\u7efc\u4e0a\uff0c\u5728\u4e00\u4e2a Seata \u5206\u5e03\u5f0f\u4e8b\u52a1\u4e2d\uff0c\u53ef\u4ee5\u65e2\u5b58\u5728 TCC \u6a21\u5f0f\u7684\u53c2\u4e0e\u8005\uff0c\u4e5f\u5b58\u5728 AT \u6a21\u5f0f\u7684\u53c2\u4e0e\u8005\uff0cTM \u4e0d\u4f1a\u611f\u77e5\u5230\u53c2\u4e0e\u8005\u4f7f\u7528\u4e86\u4f55\u79cd\u6a21\u5f0f\u3002\u6240\u4ee5\u6211\u4eec\u6839\u636e\u4e0d\u540c\u573a\u666f\u5206\u522b\u4f7f\u7528\u4e86 TCC \u548c AT \u6a21\u5f0f\uff0c\u5728\u53d1\u8d77\u8005\u5904\u4f7f\u7528AT\u6a21\u5f0f\u63a7\u5236\u4ea4\u6613\u6d41\u6c34\u8bb0\u5f55\u7684\u4e00\u81f4\u6027\uff0c\u5728\u8d26\u52a1\u53c2\u4e0e\u8005\u4e2d\u4f7f\u7528 TCC \u6a21\u5f0f\uff0c\u5728\u4fdd\u8bc1\u9694\u79bb\u6027\u7684\u540c\u65f6\u53c8\u80fd\u83b7\u53d6\u8f83\u9ad8\u7684\u6027\u80fd\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u6211\u4eec\u7684\u6574\u4f53\u7ed3\u6784\u8bf4\u660e\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228916\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h3>3.3&#8211;\u4ea4\u6613\u6d41\u7a0b\u5b9e\u4f8b\u8be6\u89e3<\/h3>\n<p>\u6211\u4eec\u5148\u5047\u8bbe\u4e00\u4e2a\u4e1a\u52a1\u573a\u666f\uff1a\u8fd9\u6b21\u4f60\u6765\u5230\u8d85\u5e02\u4e70\u4e86 100 \u5143\u7684\u6c34\u679c\uff0c\u7ed3\u8d26\u7684\u65f6\u5019\u6253\u5f00\u652f\u4ed8\u5b9d\u4ed8\u6b3e\uff0c\u652f\u4ed8\u5b9d\u4f59\u989d\u53ea\u6709 20 \u5143\u4e86\uff0c\u5269\u4e0b\u7684 80 \u5143\u9700\u8981\u4ece\u94f6\u884c\u5361\u6263\u9664\uff0c\u5047\u8bbe\u8fd9\u6b21\u7684\u652f\u4ed8\u6d41\u7a0b\u662f\u5148\u652f\u4ed8 20 \u5143\uff0c\u7136\u540e\u4ece\u94f6\u884c\u5361\u5145\u503c 80 \u5143\u5230\u652f\u4ed8\u5b9d\uff0c\u6700\u540e\u518d\u652f\u4ed8 80 \u5143\u3002<\/p>\n<h4>3.3.1&#8211;\u53d1\u8d77\u8005\u4e00\u9636\u6bb5\u8fc7\u7a0b <em>\uff08AT\uff09<\/em><\/h4>\n<p>\u4ea4\u6613\u4e8b\u52a1\u542f\u52a8\u524d\uff0c\u8d44\u4ea7\u4ea4\u6362\u4f5c\u4e3a\u53d1\u8d77\u8005\uff0c\u9996\u5148\u63d2\u5165\u4ea4\u6613\u6d41\u6c34\u8bb0\u5f55\u8868\uff0c\u8bb0\u5f55\u521d\u59cb\u72b6\u6001\u4e3a\u672a\u6267\u884c\uff0c\u7136\u540e\u542f\u52a8\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u5728\u53d1\u8d77\u8005\u672c\u5730\u4e00\u9636\u6bb5\u901a\u8fc7 AT \u6a21\u5f0f\u6267\u884c\u72b6\u6001\u6d41\u6c34\u7684\u4e32\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228917\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u4ea4\u6613\u6d41\u6c34\u8bb0\u5f55\u8868\u672c\u8eab\u4e0d\u5b58\u5728\u5e76\u53d1\u8bfb\u5199\u95ee\u9898\uff0c\u56e0\u6b64\u7531 AT \u6a21\u5f0f\u5728\u4e00\u9636\u6bb5\u5c31\u66f4\u65b0\u72b6\u6001\u4e3a\u8f6c\u8d26\u6210\u529f\uff0c\u5982\u679c\u8f6c\u8d26\u5931\u8d25\uff0c\u8be5\u72b6\u6001\u4f1a\u88ab\u56de\u6eda\u5230\u672a\u6267\u884c\u72b6\u6001\uff1b\u5982\u679c\u8f6c\u8d26\u6210\u529f\uff0c\u5206\u5e03\u5f0f\u4e8b\u52a1\u4e8c\u9636\u6bb5\u63d0\u4ea4\u4f1a\u91ca\u653e\u8be5\u9501\u3002\u4e8b\u52a1\u6267\u884c\u671f\u95f4\uff0c\u5b9a\u65f6\u8f6e\u8be2\u4efb\u52a1\u4f1a\u5b9a\u65f6\u68c0\u6d4b\u8be5\u8bb0\u5f55\uff0c\u6240\u4ee5\u4e3a\u4e86\u63d0\u9ad8\u9694\u79bb\u6027\uff0c\u5bf9\u6d41\u6c34\u7684\u8bfb\u53d6\u64cd\u4f5c\u4f7f\u7528 select for update\uff0c\u8bbe\u7f6e AT \u6a21\u5f0f\u9694\u79bb\u754c\u522b\u4e3a\u4e32\u884c\u5316\u9694\u79bb\u7ea7\u522b\uff0c\u8fd9\u6837\u5b9a\u65f6\u4efb\u52a1\u56e0\u4e3a\u62ff\u4e0d\u5230\u8bfb\u9501\u4f1a\u4e00\u76f4\u91cd\u8bd5\u8f6e\u8be2\uff0c\u76f4\u5230\u4e8b\u52a1\u8d85\u65f6\u91ca\u653e\u9501\u540e\uff0c\u8bfb\u53d6\u5230\u72b6\u6001\u4e3a\u672a\u6267\u884c\u540e\uff0c\u518d\u6b21\u53d1\u8d77\u91cd\u8bd5\u3002<\/p>\n<h4>3.3.2&#8211;\u53c2\u4e0e\u8005\u4e00\u9636\u6bb5\u8fc7\u7a0b\u53ca\u8d26\u52a1\u4f59\u989d\u6a21\u578b\u53d8\u5316 <em>\uff08TCC\uff09<\/em><\/h4>\n<p>\u63a5\u4e0b\u6765\u5148\u8bf4\u660e\u8d26\u52a1\u4e00\u9636\u6bb5\u7684\u5904\u7406\u6d41\u7a0b\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228918\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u5206\u5e03\u5f0f\u4e8b\u52a1\u8bb0\u8d26\u91d1\u989d\u7684\u5904\u7406\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228919\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong><\/p>\n<p><strong>\u7b2c\u4e8c\u884c<\/strong>\uff1a\u4ed8\u6b3e 20\uff0c\u5c06\u8d44\u6e90\u9884\u7559\uff0c\u51bb\u7ed3\u4f59\u989d\u4e2d\u7684 20\uff0c\u7cfb\u7edf\u91d1\u989d 20(0+20)\uff0c\u4e8b\u52a1\u4e2d\u53ef\u7528\u4f59\u989d\u4e3a 0\uff0c\u4e8b\u52a1\u5916\u53ef\u7528\u4f59\u989d 0(20-0-20+0)\u3002<\/p>\n<p><strong>\u7b2c\u4e09\u884c<\/strong>\uff1a\u5145\u503c 80\uff0c\u9884\u5904\u7406\u65f6\u672a\u8fbe\u91d1\u989d\u589e\u52a0\uff0c\u7b49\u4e8e 80(0+80)\uff0c\u4e8b\u52a1\u4e2d\u53ef\u7528\u4f59\u989d 80(20-0-20+80)\uff0c\u4e8b\u52a1\u5916\u53ef\u7528\u4f59\u989d 0(20-0-20+0)\uff0c\u672a\u8fbe\u91d1\u989d\u5728\u4e8b\u52a1\u5916\u4e0d\u53ef\u89c1\uff0c\u7b49\u4e8e 0\u3002<\/p>\n<p><strong>\u7b2c\u56db\u884c<\/strong>\uff1a\u4ed8\u6b3e 80\uff0c\u8d44\u6e90\u9884\u7559\u5148\u51bb\u4f4f\uff0c\u4f18\u5148\u4f7f\u7528\u672a\u8fbe\u91d1\u989d\uff0c\u6240\u4ee5\u7cfb\u7edf\u91d1\u989d 20(20+80-80)\uff0c\u672a\u8fbe\u91d1\u989d 0(80-80)\uff0c\u4e8b\u52a1\u4e2d\u4e8b\u52a1\u5916\u53ef\u7528\u4f59\u989d 0(20-0-20+0)\u3002<\/p>\n<h4>3.3.3&#8211;\u53d1\u8d77\u8005\u4e8c\u9636\u6bb5\u8fc7\u7a0b <em>\uff08AT\uff09<\/em><\/h4>\n<p>\u53d1\u8d77\u8005\u4e8c\u9636\u6bb5\u662f\u901a\u8fc7 AT \u6846\u67b6\u81ea\u52a8\u63d0\u4ea4\u5b8c\u7684\uff0c\u4e0d\u9700\u8981\u4e1a\u52a1\u5173\u5fc3\uff0c\u4e8c\u9636\u6bb5\u63d0\u4ea4\u540e\uff0c\u4ea4\u6613\u6d41\u6c34\u8bb0\u5f55\u4f1a\u91ca\u653e\u884c\u9501\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228920\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<h4>3.3.4&#8211;\u53c2\u4e0e\u8005\u4e8c\u9636\u6bb5\u8fc7\u7a0b\u53ca\u8d26\u52a1\u4f59\u989d\u6a21\u578b\u53d8\u5316 <em>\uff08TCC\uff09<\/em><\/h4>\n<p>\u53c2\u4e0e\u8005\u8d26\u52a1\u90e8\u5206\u4e8c\u9636\u6bb5\u5904\u7406\u6d41\u7a0b\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228921\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6839\u636e\u4ee5\u4e0a\u6d41\u7a0b\uff0c\u5728\u7ed3\u5408\u4e00\u9636\u6bb5\u8bb0\u8d26\u7684\u8fc7\u7a0b\uff0c\u6211\u4eec\u5f97\u5230\u4ee5\u4e0b\u7684\u4f59\u989d\u53d8\u52a8\u8fc7\u7a0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228922\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong><\/p>\n<p><strong>\u7b2c\u4e94\u884c<\/strong>\u63d0\u4ea4\u4e8b\u52a1\u65f6\uff0c\u5e94\u7528\u635e\u53d6\u6240\u6709\u4e8b\u52a1\u4e2d\u91d1\u989d\u3002\u7531\u4e8e\u672a\u8fbe\u91d1\u989d\u4f18\u5148\u88ab\u6263\u51cf\uff0c\u56e0\u6b64\u5145\u503c\u548c\u7b2c\u4e8c\u6b21\u4ed8\u6b3e\u6b63\u597d\u76f8\u62b5\uff0c\u5e94\u7528\u635e\u53d6\u5230\u4e00\u6761\u91d1\u989d\u4e3a\u96f6\u7684\u672a\u8fbe\u91d1\u989d\uff0c\u4e00\u6761\u91d1\u989d\u4e3a 20 \u7684\u7cfb\u7edf\u91d1\u989d\u660e\u7ec6\uff0c\u5e76\u5c06\u7cfb\u7edf\u91d1\u989d\u8fd8\u539f 20 \u4e3a 0\u3002\u63a5\u7740\u5e94\u7528\u904d\u5386\u5206\u652f\u4e8b\u52a1\uff0c\u5bf9\u8d26\u6237\u5b8c\u6210\u4f59\u989d 20-20+80-80=0 \u7684\u8ba1\u7b97\u540e\u6301\u4e45\u5316\u5230\u8d26\u6237\u6a21\u578b\u4e2d\uff0c\u5e76\u843d\u5730\u8bb0\u8d26\u660e\u7ec6\u3002<\/p>\n<h3>3.4&#8211;AT+TCC \u7f16\u7a0b\u5b9e\u8df5<\/h3>\n<p>Seata \u7684\u5ba2\u6237\u7aef\u533a\u5206\u4e3a\u4e8b\u52a1\u53d1\u8d77\u8005\u4e0e\u4e8b\u52a1\u53c2\u4e0e\u8005\u3002\u53d1\u8d77\u8005\u5f00\u542f Seata \u7684 AT \u6a21\u5f0f\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u914d\u7f6e\uff0c\u5f00\u542f\u6570\u636e\u6e90\u7684\u81ea\u52a8\u4ee3\u7406\uff0c\u4e5f\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u624b\u52a8\u6307\u5b9a\u4ee3\u7406\u6e90\u3002\u53c2\u4e0e\u8005\u7684 Prepare\/Commit\/Rollback \u5e94\u5f53\u5728\u672c\u5730\u4e8b\u52a1\u4e2d\u8fdb\u884c\uff0c\u5176 Commit\/Rollback \u63a5\u53e3\u53ea\u9700\u5173\u6ce8\u5f53\u524d\u5e94\u7528\u7684\u63d0\u4ea4\u6216\u8005\u56de\u6eda\u5373\u53ef\uff0c\u65e0\u9700\u8c03\u7528\u4e0b\u5c42\u53c2\u4e0e\u8005\u7684 Commit \u6216 Rollback \u63a5\u53e3\u3002<\/p>\n<h4>3.4.1&#8211;\u53d1\u8d77\u8005\u63a5\u5165 AT \u6a21\u5f0f<\/h4>\n<p>AT \u6a21\u5f0f\u662f\u9762\u5411\u6570\u636e\u5e93\u7531\u6846\u67b6\u81ea\u52a8\u6258\u7ba1\u7684\u4e24\u9636\u6bb5\u534f\u8bae\u6a21\u5f0f\uff0c\u5728\u53d1\u8d77\u8005\u4e2d\u8981\u4f7f\u7528 AT \u6a21\u5f0f\uff0c\u53ea\u9700\u8981\u5c06\u5e94\u7528\u7684\u6570\u636e\u6e90\u901a\u8fc7\u6846\u67b6\u505a\u4ee3\u7406\u5373\u53ef\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728 AT \u6a21\u5f0f\u4e0b\uff0c\u4e00\u4e2a\u8868\u53ea\u80fd\u6709\u4e00\u4e2a\u5b57\u6bb5\u505a\u4e3b\u952e\uff0c\u4e0d\u53ef\u4ee5\u4f7f\u7528\u590d\u5408\u4e3b\u952e\u3002<\/p>\n<h4>3.4.2&#8211;\u53c2\u4e0e\u8005\u63a5\u5165 TCC \u6a21\u5f0f<\/h4>\n<p>\u63a5\u5165 TCC \u6a21\u5f0f\uff0c\u9700\u8981\u4e1a\u52a1\u4e0a\u5c06\u539f\u5148\u7684\u4e00\u4e2a\u9636\u6bb5\u8bbe\u8ba1\u4e3a\u4e24\u9636\u6bb5\u3002\u56e0\u6b64\u9700\u8981\u63d0\u4f9b\u4e09\u4e2a\u63a5\u53e3\uff0c\u5206\u522b\u662f\u4e00\u9636\u6bb5\u7684 Prepare\uff0c\u548c\u4e8c\u9636\u6bb5\u7684 Commit \u548c Rollback \u63a5\u53e3\uff0c\u540c\u65f6\u9700\u8981\u5c06\u4e00\u9636\u6bb5\u63a5\u53e3\u4e0a\u6253\u4e0a Seata \u7684 TCC \u4e24\u9636\u6bb5\u6ce8\u89e3 @TwoPhaseBusinessAction\uff0c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228923\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><strong>\u5728\u4f7f\u7528 Seata \u65f6\uff0c\u6709\u5982\u4e0b\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<p><strong>1.<\/strong> \u5982\u679c\u53c2\u4e0e\u8005\u8d85\u65f6\u6216\u00a0TM \u4e00\u76f4\u6ca1\u63d0\u4ea4\u4e8b\u52a1\uff0c\u53ef\u4ee5\u5728\u53d1\u8d77\u8005\u7aef\u8bbe\u7f6e\u4e8b\u52a1\u8d85\u65f6\u65f6\u957f\uff0c\u9ed8\u8ba4 60 s\uff0c\u5982\u679c\u8d85\u8fc7\u8bbe\u7f6e\u65f6\u957f\u540e\uff0cTM \u8fd8\u6ca1\u53d1\u8d77\u63d0\u4ea4\uff0c\u5219 TC \u4f1a\u81ea\u52a8\u53d1\u8d77\u4e8b\u52a1\u56de\u6eda\uff1b<\/p>\n<p><strong>2.<\/strong> \u65e0\u8bba\u662f TCC \u8fd8\u662f AT\uff0c\u90fd\u662f\u8865\u507f\u578b\u4e8b\u52a1\uff0c\u5728\u63d0\u4ea4\u672c\u5730\u4e8b\u52a1\u65f6\uff0c\u5206\u5e03\u5f0f\u4e8b\u52a1\u5e76\u6ca1\u6709\u5b8c\u6210\uff0c\u4e0d\u80fd\u4fdd\u8bc1\u7528\u6237\u5168\u5c40\u89c6\u89d2\u7684\u6570\u636e\u4e00\u81f4\u6027\uff0c\u9700\u8981\u9632\u6b62\u810f\u8bfb\u810f\u5199\u7684\u573a\u666f\u3002\u4e3a\u63d0\u9ad8\u53d1\u8d77\u8005\u4e00\u9636\u6bb5\u7684\u9694\u79bb\u6027\uff0cselect \u8bed\u53e5\u90fd\u9700\u8981\u52a0\u4e0a\u00a0for update\uff0c\u8fdb\u884c\u52a0\u9501\u4e32\u884c\u5904\u7406\uff1a<\/p>\n<p>a.\u810f\u5199\u573a\u666f\u9700\u8981\u52a0\u4e0a @GlobalTransaction\uff1b<\/p>\n<p>b.\u810f\u8bfb\u573a\u666f\u9700\u8981\u52a0\u4e0a @GlobalLock + @Transactional \u00a0\u6216\u8005 @GlobalTransaction\uff1b<\/p>\n<p><strong>3.<\/strong> TwoPhaseBusinessAction \u6ce8\u89e3\u4e2d\u7684 name \u4f5c\u4e3a RM \u7684 resourceId\uff0c\u800c resourceId \u548capplicationName \u552f\u4e00\u786e\u5b9a\u4e00\u4e2a RM\uff0c\u56e0\u6b64\u5728\u540c\u4e00\u4e2a\u5e94\u7528\u4e2d\u4e0d\u80fd\u5b58\u5728\u76f8\u540c\u7684 name\u3002\u5982\u679c\u4e00\u4e2a\u7cfb\u7edf\u5b9e\u73b0\u4e86\u591a\u6b21\u6709\u76f8\u540c name \u7684 SPI\uff0cSeata \u5c06\u65e0\u6cd5\u533a\u5206\u5f00\u8fd9\u4e24\u4e2a\u63a5\u53e3\u3002<\/p>\n<h2>PART. 4&#8211;\u5f02\u5e38<\/h2>\n<p>\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u7f51\u7edc\u4e2d\u4f1a\u7ecf\u5e38\u53d1\u751f\u4e22\u5305\u3001\u8bf7\u6c42\u8d85\u65f6\u3001\u8bf7\u6c42\u91cd\u8bd5\u3001\u7a0b\u5e8f\u5047\u6b7b\u6216\u5d29\u6e83\u4ee5\u53ca\u8fd0\u884c\u73af\u5883\u5d29\u6e83\u7b49\u5f02\u5e38\u60c5\u51b5\uff0cSeata \u5f53\u7136\u4e5f\u4f1a\u9762\u4e34\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<p>\u7b2c\u4e00\u9636\u6bb5\uff0c\u5982\u679c\u67d0\u4e2a\u4e8b\u52a1\u53c2\u4e0e\u8005\u53cd\u9988\u5931\u8d25\u6d88\u606f\uff0c\u8bf4\u660e\u8be5\u8282\u70b9\u7684\u672c\u5730\u4e8b\u52a1\u6267\u884c\u4e0d\u6210\u529f\uff0c\u5fc5\u987b\u56de\u6eda\u3002\u7b2c\u4e8c\u9636\u6bb5\uff0c\u4e8b\u52a1\u534f\u8c03\u8282\u70b9\u5411\u6240\u6709\u7684\u4e8b\u52a1\u53c2\u4e0e\u8005\u53d1\u9001\u56de\u6eda\u8bf7\u6c42\uff0c\u63a5\u6536\u5230\u56de\u6eda\u8bf7\u6c42\u4e4b\u540e\uff0c\u5404\u4e2a\u4e8b\u52a1\u53c2\u4e0e\u8005\u8282\u70b9\u9700\u8981\u5728\u672c\u5730\u8fdb\u884c\u4e8b\u52a1\u7684\u56de\u6eda\u64cd\u4f5c\u3002\u5176\u4ed6\u7684\u8fd8\u4f1a\u56e0\u4e3a\u7f51\u7edc\u8d85\u65f6\u6296\u52a8\u5f15\u8d77\u7684\u5f02\u5e38\u5931\u8d25\uff0c\u91cd\u8bd5\u8bf7\u6c42\u7b49\u573a\u666f\uff0c\u8fd9\u4e9b\u5f02\u5e38\u4e5f\u662f\u9700\u8981\u5728\u5206\u5e03\u5f0f\u4e8b\u52a1\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u5fc5\u987b\u8981\u89e3\u51b3\u7684\u3002<\/p>\n<h3>4.1&#8211;\u56db\u79cd\u5f02\u5e38<\/h3>\n<p>\u5c31\u5206\u5e03\u5f0f\u4e8b\u52a1\u573a\u666f\u800c\u8a00\uff0c\u6709\u4ee5\u4e0b\u5e38\u89c1\u95ee\u9898\uff1a<\/p>\n<p><strong>1.<\/strong> \u5e42\u7b49\u5904\u7406<\/p>\n<p><strong>2.<\/strong> \u7a7a\u56de\u6eda<\/p>\n<p><strong>3.<\/strong> \u7a7a\u63d0\u4ea4<\/p>\n<p><strong>4.<\/strong> \u8d44\u6e90\u60ac\u6302<\/p>\n<p>\u8fd9\u4e9b\u5f02\u5e38\u60c5\u51b5\u9700\u8981\u6846\u67b6\u548c\u8fd0\u7ef4\u5171\u540c\u515c\u5e95\uff0c\u4fdd\u8bc1\u670d\u52a1\u8d28\u91cf\u3002<\/p>\n<h3>4.2&#8211;\u89e3\u51b3\u65b9\u6cd5<\/h3>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228924\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>2021 \u5e74\u6211\u4eec\u4f7f\u7528\u00a0<strong>Seata v1.4.2<\/strong>\u00a0\u7248\u672c\u65f6\uff0c\u5176\u6ca1\u6709\u63d0\u4f9b\u9632\u60ac\u6302\u80fd\u529b\u3002\u5bf9\u56db\u79cd\u5f02\u5e38\u5206\u522b\u91c7\u53d6\u4e86\u5982\u4e0b\u5e94\u5bf9\u63aa\u65bd\uff1a<\/p>\n<p><strong>\u5e42\u7b49\u63a7\u5236\uff1a<\/strong><\/p>\n<p>\u5728\u4e8b\u52a1\u4e00\u9636\u6bb5\u91c7\u7528\u4e86\u00a0xid+branchId\u00a0\u4f5c\u4e3a\u552f\u4e00\u952e\u8fdb\u884c\u5e42\u7b49\u63a7\u5236\uff0c\u5982\u53d1\u73b0\u5e42\u7b49\u51b2\u7a81\uff0c\u5219\u76f4\u63a5\u629b\u51fa\u5f02\u5e38\u5c06\u4e8b\u52a1\u56de\u6eda\u3002\u5982\u9700\u91cd\u8bd5\uff0c\u5219\u7531\u4e1a\u52a1\u7cfb\u7edf\u4e3b\u52a8\u53d1\u8d77\u3002<\/p>\n<p><strong>\u5141\u8bb8\u7a7a\u56de\u6eda\uff1a<\/strong><\/p>\n<p>\u4e00\u9636\u6bb5\u8bf7\u6c42\u7531\u4e8e\u7f51\u7edc\u539f\u56e0\u6ca1\u6709\u6536\u5230\uff0c\u6216\u8005\u5148\u6536\u5230\u4e86\u4e8c\u9636\u6bb5\u7684 Rollback \u8bf7\u6c42\u3002\u7a7a\u56de\u6eda\u5c5e\u4e8e\u6b63\u5e38\u60c5\u51b5\uff0c\u7cfb\u7edf\u9700\u8981\u80fd\u591f\u6b63\u5e38\u63a5\u6536\u5904\u7406\u7a7a\u56de\u6eda\u8bf7\u6c42\u3002<\/p>\n<p><strong>\u62d2\u7edd\u7a7a\u63d0\u4ea4\uff1a<\/strong><\/p>\n<p>\u7cfb\u7edf\u53ea\u6709\u6210\u529f\u5904\u7406\u4e86\u4e00\u9636\u6bb5\u8bf7\u6c42\uff0c\u624d\u4f1a\u6536\u5230\u4e8c\u9636\u6bb5\u7684 Commit \u8bf7\u6c42\u3002\u5982\u679c\u5728\u6ca1\u6709\u6536\u5230\u4e00\u9636\u6bb5\u8bf7\u6c42\u7684\u60c5\u51b5\u4e0b\uff0c\u6536\u5230\u4e86\u4e8c\u9636\u6bb5\u8bf7\u6c42\uff0c\u90a3\u4e48\u7cfb\u7edf\u80af\u5b9a\u51fa\u73b0\u4e86\u5f02\u5e38\uff0c\u5e94\u5f53\u76f4\u63a5\u62d2\u7edd\u6389\u3002<\/p>\n<p><strong>\u9632\u60ac\u6302\uff1a<\/strong><\/p>\n<p>\u5728\u7f51\u7edc\u6296\u52a8\u7b49\u60c5\u51b5\u4e0b\uff0c\u7cfb\u7edf\u5728\u6536\u5230\u4e8c\u9636\u6bb5 Rollback \u8bf7\u6c42\u540e\uff0c\u53c8\u6536\u5230\u4e86\u4e00\u9636\u6bb5\u8bf7\u6c42\u800c\u4e14\u8fdb\u884c\u4e86\u5904\u7406\uff0c\u90a3\u4e48\u7cfb\u7edf\u5c06\u6c38\u8fdc\u65e0\u6cd5\u6536\u5230\u4e8c\u9636\u6bb5 Commit \u6216\u8005 Rollback\uff0c\u4e8b\u52a1\u5c06\u65e0\u6cd5\u5230\u8fbe\u7ec8\u6001\uff0c\u4e5f\u5c31\u662f\u5904\u4e8e\u60ac\u6302\u72b6\u6001\u3002\u7cfb\u7edf\u9700\u8981\u5728\u5904\u7406\u7a7a\u63d0\u4ea4\u65f6\uff0c\u8bb0\u5f55\u4e0b\u8be5\u56de\u6eda\u8bb0\u5f55\uff0c\u5728\u4e4b\u540e\u6536\u5230\u4e00\u9636\u6bb5\u8bf7\u6c42\u65f6\uff0c\u76f4\u63a5\u62d2\u7edd\u3002<\/p>\n<pre><code>CREATE TABLE IF NOT EXISTS `tcc_fence_log`\n(\n    `xid`           VARCHAR(128)  NOT NULL COMMENT 'global id',    \n    `branch_id`     BIGINT        NOT NULL COMMENT 'branch id',    \n    `action_name`   VARCHAR(64)   NOT NULL COMMENT 'action name',    \n    `status`        TINYINT       NOT NULL COMMENT 'status(tried:1;committed:2;rollbacked:3;suspended:4)',    \n    `gmt_create`    DATETIME(3)   NOT NULL COMMENT 'create time',    \n    `gmt_modified`  DATETIME(3)   NOT NULL COMMENT 'update time',    \n    PRIMARY KEY (`xid`, `branch_id`),    \n    KEY `idx_gmt_modified` (`gmt_modified`),    \n    KEY `idx_status` (`status`)\n) ENGINE = InnoDB\nDEFAULT CHARSET = utf8mb4;<\/code><\/pre>\n<p>\u89e3\u51b3\u8fd9\u51e0\u7c7b\u5f02\u5e38\u5904\u7406\u4e3b\u8981\u662f\u4f9d\u8d56\u6bcf\u4e2a\u53c2\u4e0e\u8005\u672c\u5730\u7684<strong>\u9632\u60ac\u6302\u8bb0\u5f55\u8868<\/strong>\uff0c\u6838\u5fc3\u903b\u8f91\u662f\u5728\u4e00\u9636\u6bb5\u5411\u8be5\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u4e8b\u52a1\u8bb0\u5f55\u3002<\/p>\n<p>\u5728\u4e8c\u9636\u6bb5\u68c0\u67e5\u8bb0\u5f55\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u5b58\u5728\u8bf4\u660e\u4e00\u9636\u6bb5\u5df2\u7ecf\u6b63\u5e38\u6267\u884c\u8fc7\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u8bf4\u660e\u662f\u7a7a\u56de\u6eda\uff0c\u6b64\u65f6\u9700\u8981\u7acb\u5373\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\u8868\u793a\u53d1\u751f\u8fc7\u7a7a\u56de\u6eda\uff0c\u8fd9\u6837\u5982\u679c\u518d\u6b21\u63a5\u6536\u5230\u4e00\u9636\u6bb5\u65f6\u4f1a\u7531\u4e8e\u4e3b\u952e\u51b2\u7a81\u62a5\u9519\u62d2\u7edd\u6267\u884c\uff0c\u4ece\u800c\u53ef\u4ee5\u9632\u6b62\u4e8c\u9636\u6bb5\u56de\u6eda\u5148\u4e8e\u4e00\u9636\u6bb5\u5148\u6267\u884c\u5bfc\u81f4\u7684\u60ac\u6302\u95ee\u9898\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4e5f\u88ab\u6210\u4e3a\u53cc\u63d2\u65b9\u6848\u3002<\/p>\n<h3>4.3&#8211;\u6700\u65b0\u65b9\u6848<\/h3>\n<p>\u5728 2022 \u5e74 6 \u6708\u4efd\u53d1\u5e03\u7684 Seata v1.5.1 \u7248\u672c\uff08<em><a href=\"https:\/\/link.segmentfault.com\/?enc=hvNn8O96mnu8lwjPFu1HlQ%3D%3D.WIEs5CWSNOVNUCwIOizk1qwd74lSyCqRbXI58AwD9L2k04z2cYoVxJgfHqtq9VUygAaTNB9Zgjf4kZLoifXT2A%3D%3D\" rel=\"nofollow\">https:\/\/github.com\/seata\/seata\/releases\/tag\/v1.5.1<\/a><\/em>\uff09\u4e2d\uff0c\u9488\u5bf9\u4e0a\u9762 4 \u4e2a\u5f02\u5e38\u95ee\u9898\u90fd\u5df2\u7ecf\u63d0\u4f9b\u4e86\u89e3\u51b3\u65b9\u6848\uff0c\u800c\u4e14\u4f7f\u7528\u975e\u5e38\u65b9\u4fbf\uff0c\u53ea\u9700\u8981\u5728\u6ce8\u89e3\u00a0@TwoPhaseBusinessAction\u00a0\u4e2d\u8bbe\u7f6e\u5c5e\u6027\u00a0useTCCFence=true\u00a0\u5373\u53ef\u3002<\/p>\n<h2>PART. 5&#8211;\u538b\u6d4b<\/h2>\n<p>\u4e3a\u4e86\u5728\u7ebf\u4e0a\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u670d\u52a1\uff0c\u6211\u4eec\u901a\u8fc7\u538b\u6d4b\u5bf9 Seata \u7684\u627f\u8f7d\u80fd\u529b\u8fdb\u884c\u6478\u5e95\u3002<\/p>\n<p>\u538b\u6d4b\u65b9\u6cd5\u501f\u9274\u4e86 Seata \u5b98\u65b9\u65b9\u6848<\/p>\n<p>(<a href=\"https:\/\/link.segmentfault.com\/?enc=qZffVT%2B8HSuZeblLlDkH5Q%3D%3D.9fGf%2BJhDokPmAMCfeXMp59ElOCVXNP0HQffnyNzt4VYONLwj1Yhm4VxExbfN9MTR\" rel=\"nofollow\">https:\/\/github.com\/seata\/seata\/pull\/2611<\/a>)\u3002\u5728\u7c7b\u4f3c\u7684\u538b\u6d4b\u73af\u5883\u4e0b\uff0c\u6211\u4eec\u628a\u670d\u52a1\u66ff\u6362\u4e3a\u81ea\u5df1\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u5e76\u8fdb\u884c\u4e86\u5982\u4e0b\u6539\u52a8\uff1a<\/p>\n<p>\u25cf\u6709 2 \u4e2a\u53d1\u8d77\u8005\uff0c3 \u4e2a\u4e0b\u6e38\u53c2\u4e0e\u8005<\/p>\n<p>\u25cf\u8bf7\u6c42 TPS \u8bbe\u5b9a\u4e3a\u6b63\u5e38\u4e1a\u52a1\u9ad8\u5cf0\u7684 4 \u500d\uff1a50*4 = 200 tps<\/p>\n<p>\u25cf\u6309 100 \u5e76\u53d1\u6b65\u957f\u5f00\u59cb\u9636\u68af\u538b\u6d4b\uff0c\u6bcf\u4e2a\u9636\u68af\u538b\u6d4b 4 \u6b21<\/p>\n<p>\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228925\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u6ce8\uff1a\u8bf7\u6c42\u8017\u65f6\u65f6\u95f4\u4e3a\u5b8c\u6574\u7684 2B \u4e1a\u52a1\u8bf7\u6c42\u8017\u65f6\uff0c\u6b63\u5e38\u6574\u4f53\u94fe\u8def\u8017\u65f6 400 ms \u5de6\u53f3\uff1b<\/p>\n<p>\u6574\u4e2a\u538b\u6d4b\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5185\u5b58\u548c\u78c1\u76d8\u6beb\u65e0\u538b\u529b\uff0c\u538b\u6d4b\u5230 500 \u5e76\u53d1\u65f6\uff0cCPU \u538b\u529b\u5f00\u59cb\u4e0a\u5347\uff0c\u51fa\u73b0\u8d85\u65f6\u73b0\u8c61\u3002\u6839\u636e\u4e0a\u8ff0\u538b\u6d4b\u7ed3\u679c\uff0c\u6211\u4eec\u5236\u5b9a\u4e86\u7ebf\u4e0a\u670d\u52a1\u4fdd\u969c\u65b9\u6848\uff1a\u5f53\u670d\u52a1\u7aef\u63a5\u6536\u5230\u7684\u8bf7\u6c42\u8d85\u8fc7 400 \u6216\u8005\u6709\u670d\u52a1 RT \u8017\u65f6\u8d85\u8fc7 400 ms \u65f6\uff0c\u81ea\u52a8\u5bf9\u670d\u52a1\u8fdb\u884c\u6269\u5bb9\u3002<\/p>\n<h2>PART. 6&#8211;\u76d1\u63a7<\/h2>\n<p>\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u53ef\u89c2\u6d4b\u6027\u624b\u6bb5\u65e0\u5916\u4e4e Logging\u3001Metrics \u548c Tracing\uff0cSeata \u81ea\u8eab\u652f\u6301\u63a5\u5165 Prometheus \u6536\u96c6\u5176 Metrics\uff0c\u63a5\u5165 Skywalking \u6536\u96c6\u5176 Tracing\u3002\u7531\u4e8e\u6211\u4eec\u7684\u7cfb\u7edf\u662f\u5728\u963f\u91cc\u4e91\u90e8\u7f72\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u57fa\u4e8e\u963f\u91cc\u4e91\u7684 APM \u6280\u672f\u4f53\u7cfb\u6253\u9020\u4e86 Seata \u7684\u6574\u4f53\u76d1\u63a7\u544a\u8b66\u4f53\u7cfb\u3002<\/p>\n<p>\u25cfLogging \u00a0\u5207\u5206\u65e5\u5fd7\u540e\u63a5\u5165\u963f\u91cc\u4e91 SLS<\/p>\n<p>\u25cfMetrics \u00a0\u963f\u91cc\u4e91 Prometheus<\/p>\n<p>\u25cfMonitor \u963f\u91cc\u4e91 ARMS \u4ee5\u53ca SLS \u4eea\u8868\u76d8<\/p>\n<p>\u25cfAlert SLS \u5173\u952e\u5b57\u544a\u8b66\u3001SLS \u4eea\u8868\u76d8\u544a\u8b66\u4ee5\u53ca Prometheus Metrics \u544a\u8b66<\/p>\n<p>\u81f3\u4e8e Tracing \u80fd\u529b\uff0c\u6211\u4eec\u5bf9 Seata \u76f8\u5173\u80fd\u529b\u8fdb\u884c\u4e86\u589e\u5f3a\uff0c\u901a\u8fc7\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u8fdb\u884c TraceId \u6253\u901a\uff0c\u6253\u901a\u6574\u4e2a Tracing \u94fe\u8def\u3002<\/p>\n<p>\u6574\u4f53\u76d1\u63a7\u7cfb\u7edf\u67b6\u6784\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228926\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p>\u540c\u65f6\u6211\u4eec\u81ea\u5df1\u6253\u9020\u4e86\u4e00\u4e2a\u4e8b\u52a1\u7ba1\u7406\u7aef\uff0c\u901a\u8fc7\u76d1\u63a7\u5982\u4e0b\u5185\u5bb9\uff0c\u5bf9\u8d85\u8fc7\u9608\u503c\u7684\u5f02\u5e38\u8fdb\u884c\u544a\u8b66\uff1a<\/p>\n<p>\u25cf\u5728\u7ebf\u8282\u70b9\u5b95\u673a\u6570<\/p>\n<p>\u25cf\u6ce8\u518c\u5230 TC \u7684 TM\/RM \u5f02\u5e38\u4e8b\u52a1\u72b6\u6001<\/p>\n<p>\u25cf\u8d85\u65f6\u8bf7\u6c42\u4e2a\u6570<\/p>\n<p>\u25cf\u4e00\u6bb5\u65f6\u95f4\u5185\u9519\u8bef\u65e5\u5fd7\u7684\u6570<\/p>\n<pre><code>select count(*) as error_log_num where level = 'ERROR'<\/code><\/pre>\n<p>\u25cf\u65ad\u5f00\u6216\u8005\u91cd\u5efa\u7684\u4e8b\u52a1\u8fde\u63a5<\/p>\n<pre><code>-- \u8fc7\u53bbX\u65f6\u95f4\u6bb5\u5185\u91cd\u5efa\u8fde\u63a5\u6570\u91cf\nselect count(*) where context like '% to server channel inactive.'\n-- \u8fc7\u53bbX\u65f6\u95f4\u6bb5\u5185\u65ad\u5f00\u8fde\u63a5\u6570\u91cf\nselect count(*) where context like 'remove unused channel:%' <\/code><\/pre>\n<p>\u25cf\u8d85\u65f6\u5fc3\u8df3<\/p>\n<pre><code>SELECT cost_time,method,logtime WHERE method = 'heartBeat' and cost_time &gt;= 60<\/code><\/pre>\n<p>\u25cf\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u9519\u8bef\u6570\u91cf<\/p>\n<pre><code>select count(*) as error_log_num where level = 'ERROR'<\/code><\/pre>\n<p>\u25cf\u4e8c\u9636\u6bb5\u5f02\u5e38\u6302\u8d77\u65f6\u7684\u4e8b\u52a1\u3001\u5206\u652f\u4e8b\u52a1<\/p>\n<pre><code>--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Commit\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u4ee5\u53ca\u5206\u652f\nselect\u00a0regexp_extract(context,\u00a0'(?&lt;=[)(\/S+)(?=])')\u00a0as\u00a0xid,\u00a0regexp_extract(context,\u00a0'(?&lt;=[)(\/d+)(?=])')\u00a0as\u00a0branch_id\u00a0where\u00a0context\u00a0like\u00a0\u00a0'Committing\u00a0global\u00a0transaction[%'\u00a0\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Commit\u00a0\u65f6\u6302\u8d77\u4e8b\u52a1\u7684\u00a0xid\uff0c\u00a0\u5e76\u4e14\u53bb\u91cd\nselect\u00a0DISTINCT\u00a0regexp_extract(context,\u00a0'(?&lt;=[)(\/S+)(?=])')\u00a0as\u00a0xid\u00a0\u00a0\u00a0where\u00a0context\u00a0like\u00a0\u00a0'Committing\u00a0global\u00a0transaction[%'\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Commit\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u5206\u652f\u00a0branch_id\uff0c\u00a0\u5e76\u53bb\u91cd\nselect\u00a0DISTINCT\u00a0regexp_extract(context,\u00a0'(?&lt;=[)(\/d+)(?=])')\u00a0as\u00a0branch_id\u00a0\u00a0where\u00a0context\u00a0like\u00a0\u00a0'Committing\u00a0global\u00a0transaction[%'\u00a0\u00a0\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Commit\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u5206\u652f\u00a0xid\u3001branch_id\nselect\u00a0DISTINCT\u00a0\u00a0regexp_extract(context,\u00a0'(?&lt;=[)(\/S+)(?=])')\u00a0as\u00a0xid,\u00a0regexp_extract(context,\u00a0'(?&lt;=[)(\/d+)(?=])')\u00a0as\u00a0branch_id\u00a0where\u00a0context\u00a0like\u00a0\u00a0'Committing\u00a0global\u00a0transaction[%'\u00a0\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Commit\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u5206\u652f\u6761\u76ee\u6570\u91cf\nselect\u00a0count(DISTINCT\u00a0regexp_extract(context,\u00a0'(?&lt;=[)(\/S+)(?=])')\u00a0)\u00a0as\u00a0commit_error_times\u00a0where\u00a0context\u00a0like\u00a0\u00a0'Committing\u00a0global\u00a0transaction[%'<\/code><\/pre>\n<p>\u25cf\u4e8c\u9636\u6bb5 Rollback \u65f6\u7684\u4e8b\u52a1\u3001\u5206\u652f\u4e8b\u52a1<\/p>\n<pre><code>--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Rollback\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u5206\u652f\u65e5\u5fd7\u7684\u6761\u76ee\u6570\u91cf\nselect\u00a0count(*)\u00a0where\u00a0context\u00a0like\u00a0'Rollback\u00a0branch\u00a0transaction\u00a0fail\u00a0and\u00a0will\u00a0retry,\u00a0xid\u00a0=%'\u00a0\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Rollback\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u5206\u652f\u65e5\u5fd7\u00a0\nselect\u00a0*\u00a0where\u00a0context\u00a0like\u00a0'Rollback\u00a0branch\u00a0transaction\u00a0fail\u00a0and\u00a0will\u00a0retry,\u00a0xid\u00a0=%'\u00a0\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Rollback\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u7684\u00a0xid\u00a0\u548c\u00a0branch_id\nselect\u00a0regexp_extract(context,\u00a0'(?&lt;=xid\/\u00a0=\/\u00a0)(\/S+)(?=\/\u00a0)')\u00a0as\u00a0xid,\u00a0regexp_extract(context,\u00a0'(?&lt;=branchId\/\u00a0=\/\u00a0)(\/S+)(?=)')\u00a0as\u00a0branch_id\u00a0where\u00a0context\u00a0like\u00a0'Rollback\u00a0branch\u00a0transaction\u00a0fail\u00a0and\u00a0will\u00a0retry,\u00a0xid\u00a0=%'\u00a0\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Rollback\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u7684\u00a0xid\u00a0\u548c\u00a0branch_id\uff0c\u5e76\u53bb\u91cd\nselect\u00a0DISTINCT\u00a0regexp_extract(context,\u00a0'(?&lt;=xid\/\u00a0=\/\u00a0)(\/S+)(?=\/\u00a0)')\u00a0as\u00a0xid,\u00a0regexp_extract(context,\u00a0'(?&lt;=branchId\/\u00a0=\/\u00a0)(\/S+)(?=)')\u00a0as\u00a0branch_id\u00a0where\u00a0context\u00a0like\u00a0'Rollback\u00a0branch\u00a0transaction\u00a0fail\u00a0and\u00a0will\u00a0retry,\u00a0xid\u00a0=%'\u00a0\n--\u00a0\u83b7\u53d6\u4e8c\u9636\u6bb5\u00a0Rollback\u00a0\u65f6\u6302\u8d77\u7684\u4e8b\u52a1\u7684\u6570\u91cf\nselect count(DISTINCT regexp_extract(context, '(?&lt;=xid\/ =\/ )(\/S+)(?=\/ )') ) where context like 'Rollback branch transaction fail and will retry, xid =%'<\/code><\/pre>\n<p><strong>\u6ce8\uff1a<\/strong><\/p>\n<p><strong>1.<\/strong> \u76d1\u63a7\u5bf9\u8c61\u662f Seata v1.4.2 \u7684\u65e5\u5fd7\uff0c\u4e0d\u540c Seata \u7248\u672c\u6216\u6709\u5f02\u540c\uff1b<\/p>\n<p><strong>2.<\/strong> \u6536\u96c6\u65e5\u5fd7\u7684 SQL \u662f SLS SQL\u3002<\/p>\n<h2>PART. 7&#8211;\u5c55\u671b<\/h2>\n<p>\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u8682\u8681\u96c6\u56e2\u56fd\u9645\u7ad9\u70b9\u63a5\u5165 Seata v1.4.2 \u8fc7\u7a0b\u7684\u4e00\u4e9b\u5173\u952e\u7684\u6280\u672f\u6b65\u9aa4\u4e0e\u4f7f\u7528\u7ec6\u8282\uff0c\u5e76\u5bf9\u5176\u4e2d\u5b58\u5728\u7684\u4e00\u4e9b\u95ee\u9898\u7ed9\u51fa\u4e86\u4e00\u5957\u7efc\u5408\u89e3\u51b3\u65b9\u6848\u3002\u8fd1\u671f Seata \u5df2\u7ecf\u53d1\u5e03\u4e86 v1.5.2\uff0c\u5305\u542b\u4e86\u63a7\u5236\u53f0\u7b49\u8ba9\u6211\u4eec\u975e\u5e38 excited \u7684\u65b0 feature\uff0c\u6211\u4eec\u8ba1\u5212\u5728\u4e0b\u534a\u5e74\u53ca\u65f6\u5347\u7ea7\u5230\u65b0\u7248\u672c\u5e76\u8fdb\u884c\u76f8\u5173\u7684\u7a33\u5b9a\u6027\u5efa\u8bbe\uff0c\u5145\u5206\u5229\u7528\u5f00\u6e90\u7248\u672c\u7684\u6700\u65b0\u6280\u672f\u7ea2\u5229\u3002<\/p>\n<p>\u4f5c\u4e3a\u5f00\u6e90\u6280\u672f\u7684\u575a\u5b9a\u62e5\u62a4\u8005\uff0c\u8682\u8681\u96c6\u56e2\u65e2\u662f Seata \u7684\u5927\u89c4\u6a21\u4f7f\u7528\u8005\uff0c \u4e5f\u662f Seata \u5f00\u6e90\u7684\u5171\u5efa\u65b9\uff0c\u5148\u540e\u4e3a Seata \u63d0\u4ea4\u4e86 TCC \u548c SAGA \u6a21\u5f0f\u5b9e\u73b0\u3002\u5728\u79ef\u6781\u63a8\u52a8 Seata 2.0 \u7684\u5efa\u8bbe\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u9646\u7eed\u8d21\u732e\u00a0SAGA \u6ce8\u89e3\u5316\u6a21\u5f0f\u3001\u4e8c\u9636\u6bb5\u6267\u884c\u5f02\u6b65\u5316\u3001\u4e8c\u9636\u6bb5\u5e76\u884c\u63d0\u4ea4\u4ee5\u53ca\u57fa\u4e8e RocketMQ \u7684\u5206\u5e03\u5f0f\u6d88\u606f\u4e8b\u52a1\u7b49\u6280\u672f\u3002<\/p>\n<p>\u5f00\u6e90\u6280\u672f\uff0c\u666e\u60e0\u5927\u4f17\u3002\u6211\u4eec\u5c06\u4fdd\u6301\u5f00\u6e90\u548c\u5185\u90e8\u5de5\u4f5c\u8054\u52a8\uff0c\u5171\u7528\u4e00\u4e2a Seata \u5f00\u6e90\u5185\u6838\uff0c \u4fdd\u6301\u9879\u76ee\u548c\u793e\u533a\u7684\u5065\u5eb7\u53ef\u6301\u7eed\u53d1\u5c55\u3002<\/p>\n<p><strong>\u4e86\u89e3\u66f4\u591a\u2026<\/strong><\/p>\n<p><strong>Seata Star \u4e00\u4e0b\u2728\uff1a<\/strong><br \/><em><a href=\"https:\/\/link.segmentfault.com\/?enc=tpKy421DyvHbUPcfjyBqhg%3D%3D.gc3Yq51fpH9a58p4jCSU%2FbU9mPyF%2BwQBDUwS%2BHPz9bY%3D\" rel=\"nofollow\">https:\/\/seata.io\/zh-cn\/<\/a><\/em><\/p>\n<h3>\u672c\u5468\u63a8\u8350\u9605\u8bfb<\/h3>\n<p>Seata \u591a\u8bed\u8a00\u4f53\u7cfb\u5efa\u8bbe<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=FeKcnUzyBJGxwvPDqxUHJA%3D%3D.5cKcFTy3zacz%2F2bILCjAVyu3XyYBCOjV4U7sLkytd1UizULzlurP55c0lIkd5VxijWlXhXQXZebef1K7E7rXtSslAh2zkSzBow0PgM%2FNbd0Xa5x8cFWJTVQu6TDEArRqNMUfyw01HnNhqa8UVfvL%2BGMxHl4aV2DM%2Blh%2FiE4xfqOF%2F8KDJREIxLK8tArDc9pLZe8tg1HqMs1j2OB%2BmclB3q9H2100Sg7zhofGdYAh7ZE8vI3nYM39gq85Y6rAUykdtR54heqeqi%2F61QhViHf3tw%3D%3D\" rel=\"nofollow\"><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228927\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/a><\/p>\n<p>KusionStack\uff5cKusion \u6a21\u578b\u5e93\u548c\u5de5\u5177\u94fe\u7684\u63a2\u7d22\u5b9e\u8df5<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=Qz0g6PhNWrpPBZL0kdIpKQ%3D%3D.mHaQrFYViKPGZqrH%2Bgd56XVQxmsafcBGVgqQePW2zJ5lSexnCgiPJqZGP3YrvAaF78dPFBpfl04ccLXvcBht%2FCHhmkhz0FsFkk6SJYeIqI2sgms8JO3qbre%2FEQ1GpydVEeASF%2BIhRBb0fj9xO1Re%2FCVb6BfrRhVI3zb%2B%2FUnHiaSrycrnSBiQmO%2FogvLo3VFmCMwz2CrG7R1w021sP5qqLvgqUf01X3Hrg5dwg2VmdPdgyAsoKncfj1dhOZGiamHZuUWId2jZUtSDF0WBdboZ%2FA%3D%3D\" rel=\"nofollow\"><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228928\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/a><\/p>\n<p>Go \u539f\u751f\u63d2\u4ef6\u4f7f\u7528\u95ee\u9898\u5168\u89e3\u6790<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=jGIvzqZm6BvpTaLlA1KI4g%3D%3D.mIbzJXRvwWB9Txjznw2md%2FIQqJF%2FwSBNCqSxx%2B%2Bv8PzeIBUSTVvspL3OcDclYPr%2FgXxdt8xQ100tDFoor%2Bs%2FIVOCSQdcONzWuBFQmh2I4ogmjnA1Of%2Bro4WdjBe%2FjQlOOMIS16KEzKLlnAaEhOwusY5ZJzSR%2B3EWucpryIXkHyNqPTqrNSj4Y2HQB4QuMYFoRseI%2BNF4VEi6TYaV37YwfYys0s3zZSfLDVBvET7H2VmP6QAaxH5pXAnl%2BheQvzzRoBCg7kD243%2Fyk0wAzyexEg%3D%3D\" rel=\"nofollow\"><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228929\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/a><\/p>\n<p>SOFARegistry \u6e90\u7801\uff5c\u6570\u636e\u540c\u6b65\u6a21\u5757\u89e3\u6790<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=sGeXPLrhy3m4ZhAOowo2Tw%3D%3D.%2FZphSRK9O7oBZmRNNigZVuFmOHnpopkMQNVYkScICngBX1x9fz3rShK8PZ6kPlT8hXip0Pbt3ogBC4uMRHR9B%2FDze8oQyJiPZeu3IJIVXJYtvsVMqWlf60MEUgf87ERJ6%2FzlZwrRaLZKMmhewb%2BOGBgnT6wqhCek6w8dwrF64CF9uGJxl28OEnhS42F%2BiyMCHog0tbshiRaTH2h8H3AFHmNHDnVhZj%2BZ8Ha1SKstRnpRVVEN4f5fSbC2Ql540n%2FP2pqNRGpDTW28VarPOs2eSw%3D%3D\" rel=\"nofollow\"><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228930\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/a><\/p>\n<p>\u6b22\u8fce\u626b\u7801\u5173\u6ce8\uff1a<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042228931\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042228906\">https:\/\/segmentfault.com\/a\/1190000042228906<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\uff5c\u674e\u4e54\uff08\u82b1\u540d\uff1a\u5357\u6865)\u3001\u674e\u5b97\u6770\uff08\u82b1\u540d\uff1a\u767d\u9e70) \u674e\u4e54\uff1a\u8682\u8681\u96c6\u56e2\u9ad8\u7ea7\u5f00\u53d1\u5de5\u7a0b\u5e08\uff0c\u8d1f\u8d23\u8682\u8681\u5883\u5916\u94f6\u884c\u652f\u4ed8\u7ed3\u7b97\u7cfb\u7edf\u5f00\u53d1  [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006029","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006029"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006029\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}