{"id":10008314,"date":"2023-09-22T16:29:43","date_gmt":"2023-09-22T08:29:43","guid":{"rendered":"https:\/\/blog.itmax.cn\/?p=10008314"},"modified":"2023-09-22T16:29:43","modified_gmt":"2023-09-22T08:29:43","slug":"flink-batch-sql-improvements-on-lakehouse","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008314","title":{"rendered":"Flink Batch SQL Improvements on Lakehouse"},"content":{"rendered":"<blockquote>\n<p>\u672c\u6587\u6574\u7406\u81ea\u963f\u91cc\u4e91\u7814\u53d1\u5de5\u7a0b\u5e08\u5218\u5927\u9f99\uff08\u98ce\u79bb\uff09\uff0c\u5728 Streaming Lakehouse Meetup \u7684\u5206\u4eab\u3002\u5185\u5bb9\u4e3b\u8981\u5206\u4e3a\u4e09\u4e2a\u90e8\u5206\uff1a<\/p>\n<ol>\n<li>Flink Batch on Paimon \u6311\u6218<\/li>\n<li>Flink Batch \u6838\u5fc3\u4f18\u5316<\/li>\n<li>\u540e\u7eed\u89c4\u5212<\/li>\n<\/ol>\n<\/blockquote>\n<p><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=mcCH8LLda6lUMSP2w7HJTg%3D%3D.%2FHRxyy49%2FXTOoF8Dz3KN84iJytyOBica8nkmECegvexPsvgIT8dfzCe43bIlTuG0ca3GwdTLEJg1VK3Y3iSeuZLJ61eumY5KkWNlmM26BRMj6GvElupZ1bVG%2F2WJ1ugbcwAxE4n7SMCnY6JnKPRKbg%3D%3D\" rel=\"noopener noreferrer\">\u70b9\u51fb\u67e5\u770b\u539f\u6587\u89c6\u9891 &#038; \u6f14\u8bb2PPT<\/a><\/p>\n<h2>\u4e00\u3001Flink Batch on Paimon \u6311\u6218<\/h2>\n<p>\u4f17\u6240\u5468\u77e5\uff0cPaimon \u5728\u521b\u7acb\u4e4b\u521d\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u6d41\u5f0f\u6570\u4ed3\u573a\u666f\u7684\u95ee\u9898\u3002\u4ece\u4e0b\u9762\u7684\u67b6\u6784\u56fe\u91cc\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u8fd9\u91cc\u6709 Flink CDC \u7684\u9ad8\u6548\u5165\u6e56\uff0cFlink SQL \u8fdb\u884c\u6d41\u5f0f\u3001\u6279\u5f0f\u7684 ETL\u3001Ad-hoc \u5206\u6790\uff0c\u7528\u4e00\u5957\u5f15\u64ce\u5b8c\u6210\u6570\u636e\u7684\u5165\u6e56\u3001\u5206\u6790\u4e0e\u67e5\u8be2\uff0c\u6574\u4e2a\u67b6\u6784\u4e0a\u975e\u5e38\u7b80\u6d01\uff0c\u8bed\u4e49\u7edf\u4e00\uff0c\u89e3\u51b3\u4e86\u4f20\u7edf lambda \u67b6\u6784\u4e0b\u5b9e\u65f6\u79bb\u7ebf\u7684\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248398\" alt=\"1\" title=\"1\"><\/p>\n<p>Flink \u4f5c\u4e3a\u4e00\u4e2a\u6d41\u6279\u4e00\u4f53\u7684\u8ba1\u7b97\u5f15\u64ce\uff0c\u5929\u751f\u5c31\u5177\u5907\u4e0a\u8ff0\u80fd\u529b\u3002<\/p>\n<p>\u4f5c\u4e3a\u6d41\u8ba1\u7b97\u5f15\u64ce\uff0cFlink \u5df2\u7ecf\u662f\u4e1a\u754c\u7684\u4e8b\u5b9e\u6807\u51c6\uff1b\u5728\u6279\u5904\u7406\u9886\u57df\uff0cSpark \u662f\u4e1a\u754c\u7684\u4e8b\u5b9e\u6807\u51c6\uff0cFlink Batch \u867d\u7136\u6574\u4f53\u80fd\u529b\u4e0a\u4e0d\u5dee\uff0c\u4f46\u662f\u5982\u679c\u60f3\u5728\u6570\u636e\u6e56\u5206\u6790\u573a\u666f\u5360\u636e\u4e00\u5e2d\u4e4b\u5730\uff0c\u786e\u5b9e\u8fd8\u9762\u4e34\u4e00\u4e9b\u6311\u6218\u3002\u9488\u5bf9 Flink + Paimon \u6784\u5efa\u6d41\u5f0f\u6570\u4ed3\u573a\u666f\u7684\u9700\u6c42\uff0c\u6211\u4eec\u5bf9 Flink Batch \u53ef\u80fd\u5b58\u5728\u7684\u95ee\u9898\u8fdb\u884c\u4e86\u603b\u7ed3\uff0c\u4e3b\u8981\u6709\u5982\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>Flink \u5982\u679c\u4f5c\u4e3a\u4e00\u4e2a\u6d41\u8ba1\u7b97\u5f15\u64ce\uff0c\u5bf9\u4e8e Schema \u53d8\u66f4\u662f\u6ca1\u6709\u5f3a\u9700\u6c42\u7684\uff0c\u4f46\u662f\u548c\u5b58\u50a8\u7ed3\u5408\u4e4b\u540e\uff0c\u5c31\u9700\u8981\u4e0d\u65ad\u5b8c\u5584\u8fd9\u7c7b API\uff0c\u8865\u9f50\u76f8\u5173\u80fd\u529b\uff1b<\/li>\n<li>\u5728\u6570\u636e\u6e56\u573a\u666f\uff0c\u4f1a\u5b58\u5728\u884c\u7ea7\u7684\u6570\u636e\u66f4\u65b0\u3001\u5220\u9664\u7b49\u9700\u6c42\uff1b<\/li>\n<li>\u4e00\u822c\u6e56\u4e0a\u7684\u6570\u636e\u90fd\u662f\u6709\u7248\u672c\u7684\uff0c\u6bcf\u6b21\u7684\u5199\u5165\u4e0e\u66f4\u65b0\uff0c\u53ef\u80fd\u90fd\u4f1a\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684 Snapshot\uff0c\u56e0\u6b64\u6211\u4eec\u4e5f\u9700\u8981\u5bf9 Sanpshot \u8fdb\u884c\u7ba1\u7406\uff0c\u6bd4\u5982\u901a\u8fc7 CALL \u547d\u4ee4\u6e05\u7406\u8fc7\u671f Snapshot\uff0c\u65f6\u95f4\u65c5\u884c\u67e5\u8be2\uff1b<\/li>\n<li>\u9664\u4e86\u6570\u636e\u7ba1\u7406\u65b9\u9762\u7684\u9700\u6c42\uff0c\u53e6\u5916\u4e00\u4e2a\u91cd\u8981\u7684\u6311\u6218\u5c31\u662f\u5982\u4f55\u901a\u8fc7 Flink Batch \u5bf9\u6e56\u4e0a\u6570\u636e\u8fdb\u884c\u9ad8\u6548\u7684 ETL&#038;Ad-hoc \u5206\u6790\uff0c\u540c\u65f6\u8fd8\u8981\u4fdd\u8bc1\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<p>\u9488\u5bf9\u8fd9\u4e9b\u6311\u6218\uff0c\u4ece 1.16 \u7248\u672c\u793e\u533a\u5f00\u59cb\u6295\u5165\u5927\u91cf\u7cbe\u529b\u5bf9 Flink Batch \u505a\u4e86\u8bf8\u591a\u65b9\u9762\u7684\u4f18\u5316\u3002<\/p>\n<h2>\u4e8c\u3001Flink Batch \u6838\u5fc3\u4f18\u5316<\/h2>\n<p>\u5728\u4ecb\u7ecd Flink Batch \u6838\u5fc3\u4f18\u5316\u4e4b\u524d\uff0c\u9996\u5148\u6211\u4eec\u6309\u7248\u672c\u4e3b\u7ebf\u56de\u987e\u4e00\u4e0b\u8fc7\u53bb\u4e09\u4e2a\u7248\u672c\u5206\u522b\u505a\u4e86\u54ea\u4e9b\u91cd\u8981\u7684\u529f\u80fd\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248399\" alt=\"2\" title=\"2\" loading=\"lazy\"><\/p>\n<ul>\n<li>Flink 1.16 \u4ece\u6613\u7528\u6027\u3001\u7a33\u5b9a\u6027\u3001\u6027\u80fd\u65b9\u9762\u505a\u4e86\u8bf8\u591a\u6539\u8fdb\uff0c\u5305\u62ec SQL Gateway\u3001\u7edf\u8ba1\u4fe1\u606f\u589e\u5f3a\u3001Join Hint\u3001\u52a8\u6001\u5206\u533a\u88c1\u526a\u7b49\uff0c\u8be5\u7248\u672c\u662f Flink \u6279\u5904\u7406\u91cc\u7a0b\u7891\u5f0f\u7684\u7248\u672c\uff0c\u4e5f\u662f\u8d70\u5411\u6210\u719f\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/li>\n<li>Flink 1.17 \u6301\u7eed\u5728\u6279\u5904\u7406\u65b9\u9762\u5bf9\u6027\u80fd\u3001\u7a33\u5b9a\u6027\u548c\u53ef\u7528\u6027\u65b9\u9762\u505a\u4e86\u663e\u8457\u7684\u6539\u8fdb\uff0c\u5305\u62ec Update&#038;Delete API \u5b8c\u5584\uff0c\u5f15\u5165\u65b0\u7684 Join Reorder \u7b97\u6cd5\u6539\u8fdb Join \u6027\u80fd\uff0c\u81ea\u9002\u5e94\u7684\u6279\u5904\u7406\u8c03\u5ea6\u5668\u6210\u4e3a\u9ed8\u8ba4\u7684\u8c03\u5ea6\u5668\uff0c\u7528\u6237\u4e0d\u518d\u9700\u8981\u5173\u5fc3\u4f5c\u4e1a\u5e76\u884c\u5ea6\u7b49\u3002<\/li>\n<li>Flink 1.18 \u793e\u533a\u7ee7\u7eed\u6295\u5165\u5927\u91cf\u7cbe\u529b\u4f18\u5316 Batch\uff0c\u5b8c\u6574\u7684\u652f\u6301\u4e86\u6e56\u5b58\u50a8\u4e0a\u9700\u8981\u7684\u5404\u7c7b API\uff0cGateway \u652f\u6301 JCBC Driver\uff0c\u5728\u6267\u884c\u5c42\u9762\u505a\u4e86 Runtime Filter\uff0c\u591a\u7b97\u5b50\u878d\u5408 CodeGen \u7b49\u6301\u7eed\u4f18\u5316\u7b97\u5b50\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3>2.1 Lakehouse API \u589e\u5f3a<\/h3>\n<p>Flink SQL \u5728 API \u8bbe\u8ba1\u8fd9\u5757\u4e4b\u524d\u66f4\u591a\u7684\u662f\u9762\u5411\u6d41\u573a\u666f\uff0c\u6279\u573a\u666f\u6216\u6570\u636e\u5206\u6790\u573a\u666f\u7684\u5f88\u591a API \u90fd\u6ca1\u6709\u8003\u8651\u4e5f\u6ca1\u6709\u53bb\u505a\u3002\u4ece 1.16 \u7248\u672c\u5f00\u59cb\u589e\u5f3a\u8fd9\u65b9\u9762\u7684 API\uff0c\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6570\u636e\u7ba1\u7406\u80fd\u529b\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248400\" alt=\"3\" title=\"3\" loading=\"lazy\"><\/p>\n<p>\u5728\u6570\u636e\u6e56\u573a\u666f\u4e2d\uff0cSchema Evolution \u662f\u4e00\u4e2a\u6bd4\u8f83\u5e38\u89c1\u7684\u9700\u6c42\u3002\u4e8e\u662f\uff0c\u6211\u4eec\u5728 API \u5c42\u9762\u589e\u5f3a\u4e86\u8fd9\u4e9b\u65b9\u9762\u7684\u80fd\u529b\uff0c\u5305\u62ec\u652f\u6301\u4e86\u5404\u7c7b\u53d8\u66f4 Schema \u7684 DDL\u3002\u5728\u5efa\u8868\u65b9\u9762\uff0c\u6211\u4eec\u4e5f\u652f\u6301\u4e86 Create\/Replace Table As Select \u8bed\u6cd5\uff0c\u53ef\u4ee5\u76f4\u63a5\u57fa\u4e8e\u6e90\u8868\u7b80\u5355\u9ad8\u6548\u7684\u521b\u5efa\u76ee\u6807\u8868\uff0c\u540c\u65f6\u628a\u6570\u636e\u5bfc\u5165\u5230\u76ee\u6807\u8868\u91cc\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248401\" alt=\"4\" title=\"4\" loading=\"lazy\"><\/p>\n<p>\u5176\u6b21\uff0c\u589e\u5f3a\u4e86\u6570\u636e\u6e56\u7684\u6570\u636e\u7ba1\u7406\u76f8\u5173 API\uff0c\u5728\u65f6\u95f4\u65c5\u884c\u67e5\u8be2\u3001\u6570\u636e\u66f4\u65b0\u548c\u5220\u9664\u3001CALL \u547d\u4ee4\u7b49\u65b9\u9762\u90fd\u6709\u6240\u52a0\u5f3a\u3002\u7efc\u4e0a\u6240\u8ff0\uff0cLakehouse API \u4e3b\u8981\u662f\u56f4\u7ed5\u7740\u6570\u636e\u6e56\u5206\u6790\u573a\u666f\u505a\u4e86\u5b8c\u5584\u4e86\u8bf8\u591a\u529f\u80fd\u3002<\/p>\n<p>\u4e0b\u9762\u662f Flink \u548c Spark \u5728 API \u65b9\u9762\u7684\u5bf9\u6bd4\u56fe\uff0c\u8fd9\u91cc\u628a\u5176\u5206\u4e3a DDL\u3001DML \u548c Auxlilary Statements \u4e09\u7c7b\uff0c\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cFlink Batch \u5df2\u7ecf\u57fa\u672c\u8ffd\u5e73 Spark\u3002API \u4e0a\u5df2\u7ecf\u6bd4\u8f83\u5b8c\u5584\uff0c\u7528\u6237\u53ef\u4ee5\u5c3d\u60c5\u7684\u628a Flink Batch \u7528\u8d77\u6765\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248402\" alt=\"5\" title=\"5\" loading=\"lazy\"><\/p>\n<h3>2.2 Join \u4f18\u5316<\/h3>\n<p>\u5f53 Flink Batch \u6613\u7528\u6027\u65b9\u9762\u6bd4\u8f83\u5b8c\u5584\u4e4b\u540e\uff0c\u90a3\u4e48\u7528\u7684\u597d\u4e0d\u597d\u3001\u7a33\u4e0d\u7a33\u3001\u5feb\u4e0d\u5feb\uff0c\u5c31\u662f\u4e0b\u4e00\u4e2a\u9700\u8981\u5173\u6ce8\u7684\u70b9\u3002<\/p>\n<p>Join \u662f\u6211\u4eec\u5728\u4e1a\u52a1\u4e2d\u9047\u5230\u7684\u6700\u591a\u7684\u573a\u666f\uff0c\u5c24\u5176\u662f\u6570\u4ed3\u5927\u5bbd\u8868\u7684\u573a\u666f\uff0c\u53ef\u80fd\u5b58\u5728\u51e0\u5341\u4e2a\u8868\u8fdb\u884c Join\u3002\u6839\u636e\u7b14\u8005\u4e4b\u524d\u505a\u4e1a\u52a1\u7684\u7ecf\u9a8c\u6765\u770b\uff0c\u5f88\u591a\u65f6\u5019\u62a5\u8868\u51fa\u4e0d\u6765\uff0c\u90fd\u662f\u56e0\u4e3a\u4e0a\u6e38\u7684 Join \u592a\u6162\u3002\u56e0\u6b64\u5bf9\u4e8e\u5f88\u591a\u7684\u8ba1\u7b97\u5f15\u64ce\uff0cJoin \u7b97\u5b50\u662f\u91cd\u70b9\u4f18\u5316\u7684\u90e8\u5206\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248403\" alt=\"6\" title=\"6\" loading=\"lazy\"><\/p>\n<p>\u5982\u679c\u60f3\u8ba9 Join \u6267\u884c\u7684\u5feb\uff0c\u524d\u63d0\u662f\u9700\u8981\u6709\u4e30\u5bcc\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u7edf\u8ba1\u4fe1\u606f\u5bf9\u4f18\u5316\u5668\u6765\u8bf4\u975e\u5e38\u91cd\u8981\uff0c\u53ea\u6709\u62e5\u6709\u8db3\u591f\u4e30\u5bcc\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u5b83\u624d\u80fd\u4f18\u5316\u51fa\u9ad8\u6548\u7684\u6267\u884c\u8ba1\u5212\u6765\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u9996\u5148\u8981\u505a\u7684\u662f\u9488\u5bf9\u7edf\u8ba1\u4fe1\u606f\u7684\u4f18\u5316\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4e24\u6b65\u5b8c\u6210\u3002<\/p>\n<ul>\n<li>\u7b2c\u4e00\uff0c\u901a\u8fc7 Analyze Table \u8bed\u6cd5\u6765\u505a\uff0c\u7528\u6237\u5199\u4e00\u4e2a\u5206\u6790\u7edf\u8ba1\u4fe1\u606f\u7684 SQL\uff0c\u5176\u4f1a\u8f6c\u5316\u6210 Flink Batch \u4f5c\u4e1a\uff0c\u67e5\u8be2\u7269\u7406\u5b58\u50a8\u751f\u6210\u6240\u9700\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u7136\u540e\u5199\u56de\u5230 Catalog \u4e2d\u3002<\/li>\n<li>\u7b2c\u4e8c\uff0c\u901a\u8fc7 SuppotReportStatistics \u63a5\u53e3\u6765\u83b7\u53d6\uff0c\u7531 Format \u6216\u662f\u6e56\u5b58\u50a8\u6765\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\uff0c\u4f18\u5316\u5668\u4f18\u5316\u7684\u8fc7\u7a0b\u4e2d\u5982\u679c\u4ece Catalog \u4e2d\u62ff\u4e0d\u5230\u7edf\u8ba1\u4fe1\u606f\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u63a5\u53e3\u5b9e\u65f6\u6536\u96c6\u7edf\u8ba1\u4fe1\u606f\uff0c\u7136\u540e\u518d\u57fa\u4e8e\u6536\u96c6\u5230\u7684\u7edf\u8ba1\u4fe1\u606f\u8fdb\u884c\u6267\u884c\u8ba1\u5212\u7684\u4f18\u5316\u3002\u5728 Flink \u5185\u7f6e\u7684 Format \u4e2d\uff0cParquet \u548c ORC \u7b49\u5217\u5b58\u683c\u5f0f\u5df2\u652f\u6301\uff0c\u53e6\u5916 Paimon \u4e5f\u5df2\u652f\u6301\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u9047\u5230\u65e0\u8bba\u7528\u4ee5\u4e0a\u54ea\u79cd\u65b9\u5f0f\u90fd\u62ff\u4e0d\u5230\u7edf\u8ba1\u4fe1\u606f\u65f6\uff0c\u8be5\u5982\u4f55\u8ba9\u4f18\u5316\u5668\u7ed9\u51fa\u4e00\u4e2a\u5408\u7406\u7684 Join \u7b56\u7565\u5462\uff1f\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5728\u4e1a\u754c\u4e5f\u6709\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u90a3\u5c31\u662f Join Hint\u3002<\/p>\n<p>\u5728\u4ecb\u7ecd Join Hint \u4e4b\u524d\uff0c\u5148\u4ecb\u7ecd\u4e0b Flink Batch Join \u5e95\u5c42\u7684\u7b97\u5b50\u5b9e\u73b0\u7b56\u7565\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248404\" alt=\"7\" title=\"7\" loading=\"lazy\"><\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u4e00\u5171\u6709\u56db\u79cd Join \u7b56\u7565\uff0c\u4e5f\u662f\u4e1a\u754c\u4e3b\u6d41\u8ba1\u7b97\u5f15\u64ce\u91c7\u7528\u7684 Join \u7b56\u7565\u3002<\/p>\n<p>\u5f53\u7edf\u8ba1\u4fe1\u606f\u51c6\u786e\u7684\u65f6\u5019\uff0c\u57fa\u4e8e CBO \u7684\u4f18\u5316\u5668\u662f\u53ef\u4ee5\u7ed9\u51fa\u6bd4\u8f83\u4f18\u7684\u6267\u884c\u8ba1\u5212\u3002\u4f46\u662f\u5728\u65e0\u7edf\u8ba1\u4fe1\u606f\u6216\u8005\u7edf\u8ba1\u4fe1\u606f\u4e0d\u51c6\u65f6\uff0c\u4f18\u5316\u5668\u53ef\u80fd\u9009\u62e9\u51fa\u9519\u8bef\u7684 Join \u7b56\u7565\uff0c\u5bfc\u81f4 Join \u6267\u884c\u7684\u5f88\u6162\uff0c\u6216\u8005\u65e0\u6cd5\u6267\u884c\u6210\u529f\u3002\u9488\u5bf9\u8fd9\u79cd\u60c5\u51b5\uff0c\u4e00\u79cd\u89e3\u51b3\u529e\u6cd5\u662f Join Hint\u3002\u5728 FLIP-229 \u4e2d Flink \u63d0\u4f9b\u4e86 4 \u79cd Join Hint\uff0c\u4e0e\u4e0a\u6587\u63d0\u5230\u7684\u56db\u79cd Join \u7b56\u7565\u4e00\u4e00\u5bf9\u5e94\uff0c\u6bcf\u79cd Join \u7b56\u7565\u90fd\u6709\u5bf9\u5e94\u7684 Hint \u7b56\u7565\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>BROADCAST<\/li>\n<li>SHUFFLE_HASH<\/li>\n<li>SHUFFLE_MERGE<\/li>\n<li>NEST_LOOP<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248405\" alt=\"8\" title=\"8\" loading=\"lazy\"><\/p>\n<p>\u4ecb\u7ecd\u5b8c Join Hint \u4e4b\u540e\uff0c\u6765\u4ecb\u7ecd\u4e0b Join \u53ef\u80fd\u5b58\u5728\u7684\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff0c\u5373\u591a\u8868 Join\u3002\u9488\u5bf9\u591a\u8868 Join\uff0c\u9700\u8981\u4f18\u5316\u5668\u80fd\u9009\u62e9\u51fa\u4e00\u4e2a\u6bd4\u8f83\u4f18\u7684\u6267\u884c\u8ba1\u5212\uff0c\u8fd9\u6837\u624d\u80fd\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248406\" alt=\"9\" title=\"9\" loading=\"lazy\"><\/p>\n<p>\u4ee5\u4e0a\u56fe TPC-DS q18 \u4e3a\u4f8b\uff0c\u5b83\u6d89\u53ca\u5230\u4e86 6 \u5f20\u8868\u7684 Join\uff0c\u5927\u8868\u662f catalog_sales \u548c customer \u76f8\u5173\u7684\u4e00\u4e9b\u8868\uff0c\u9664\u6b64\u4e4b\u5916\u8fd8\u6709\u4e00\u4e9b\u5c0f\u7ef4\u8868\u7b49\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u9488\u5bf9\u8fd9\u51e0\u5f20\u8868\uff0c\u901a\u8fc7 Join Reorder \u7b97\u6cd5\uff0c\u8ba9 Join \u987a\u5e8f\u76f8\u5bf9\u5408\u7406\uff0c\u4ece\u800c\u4f7f\u5f97 Query \u7684\u6267\u884c\u6548\u7387\u6700\u9ad8\u3002<\/p>\n<p>\u76ee\u524d\uff0cFlink \u9ed8\u8ba4\u91c7\u7528\u4e86\u57fa\u4e8e\u5de6\u6df1\u6811\u7684 Join Reorder \u7b97\u6cd5\u3002\u9488\u5bf9 q18 \u8fd9\u4e2a\u4f8b\u5b50\uff0c\u5176\u4f18\u5316\u51fa\u6765\u7684\u6267\u884c\u8ba1\u5212\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248407\" alt=\"10\" title=\"10\" loading=\"lazy\"><\/p>\n<p>\u4ec0\u4e48\u662f\u5de6\u6df1\u6811\u5462\uff1f\u5de6\u6df1\u6811\u5982\u4e0a\u56fe\u6240\u793a\u662f\u4e8c\u6748\u6811\uff0c\u5b83\u7684\u53f3\u4fa7\u662f\u53f6\u5b50\u8282\u70b9\u3002\u4e5f\u5c31\u662f\u8bf4\u5148\u7528 catalog_sales \u548c date_dim \u4e24\u4e2a\u5c0f\u8868\u8fdb\u884c Join\uff0c\u8f93\u51fa\u7684 Row Count \u662f\u6700\u5c0f\u7684\uff0c\u7136\u540e\u518d\u548c\u5269\u4f59\u7684\u8868\u4e00\u4e00\u8fdb\u884c\u6bd4\u8f83\uff0c\u7136\u540e\u518d\u9009\u51fa\u8f93\u51fa Row Count \u6700\u5c0f\u7684\u8868\u8fdb\u884c Join\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n<p>\u8fd9\u662f\u4e00\u79cd\u8d2a\u5fc3\u7684\u7b97\u6cd5\uff0c\u4e5f\u5c31\u662f\u6bcf\u6b21 Join \u90fd\u53ea\u770b\u5230\u5f53\u524d\u6700\u4f18\u7684 Join \u987a\u5e8f\uff0c\u7136\u540e\u518d\u7ee7\u7eed\u5f80\u540e Join\u3002\u5de6\u6df1\u6811\u7b97\u6cd5\u867d\u7136\u641c\u7d22\u7a7a\u95f4\u5c0f\uff0c\u4f18\u5316\u901f\u5ea6\u5f88\u5feb\uff0c\u4f46\u662f\u5b58\u5728\u51e0\u4e2a\u95ee\u9898\uff1a\u9996\u5148\u662f\u5f88\u5bb9\u6613\u9677\u5165\u5c40\u90e8\u6700\u4f18\uff0c\u4e8c\u662f\u53ea\u80fd\u6309\u987a\u5e8f\u6267\u884c\uff0c\u4e00\u5b9a\u53ea\u80fd\u4ece\u5de6\u4fa7\u6700\u5c0f\u9762\u7684 Join \u5f00\u59cb\u6267\u884c\u3002\u6240\u4ee5\u5f53\u8d44\u6e90\u6bd4\u8f83\u5145\u8db3\u7684\u65f6\u5019\uff0c\u5bfc\u81f4\u8d44\u6e90\u5229\u7528\u7387\u4e0d\u9ad8\u3002\u53e6\u5916\uff0c\u5de6\u6df1\u6811\u7b97\u6cd5\u8fd8\u4f1a\u5bf9\u52a8\u6001\u5206\u533a\u88c1\u526a\u6709\u4e00\u5b9a\u5f71\u54cd\uff0c\u5bfc\u81f4\u67d0\u4e9b\u8868\u65e0\u6cd5\u5e94\u7528\u4e0a\u52a8\u6001\u5206\u533a\u88c1\u526a\u3002<\/p>\n<p>\u57fa\u4e8e\u4ee5\u4e0a\u5b58\u5728\u7684\u95ee\u9898\uff0c\u6211\u4eec\u5728 Flink Batch 1.17 \u4e2d\u5f15\u5165\u4e86\u57fa\u4e8e\u7a20\u5bc6\u6811\u7684 Join Reorder \u7b97\u6cd5\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248408\" alt=\"11\" title=\"11\" loading=\"lazy\"><\/p>\n<p>\u9488\u5bf9 Q18 \u8fd9\u4e2a\u4f8b\u5b50\uff0c\u57fa\u4e8e\u7a20\u5bc6\u6811\u7b97\u6cd5\u4f18\u5316\u51fa\u6765\u7684\u6267\u884c\u8ba1\u5212\u6811\u5df2\u7ecf\u6bd4\u8f83\u5e73\u8861\u4e86\u3002\u5728 Join \u7684\u8fc7\u7a0b\u4e2d\uff0ccatalog_sales \u8868\u5e76\u4e0d\u662f\u5148\u548c date_dim \u8fd9\u4e2a\u7ef4\u8868\u505a Join\uff0c\u56e0\u4e3a\u5b83\u91c7\u7528\u7684\u662f\u52a8\u6001\u89c4\u5212\u7684\u7b97\u6cd5\uff0c\u4e5f\u5c31\u662f\u5168\u5c40\u679a\u4e3e\uff0c\u4e0d\u4f1a\u53ea\u8003\u8651\u5f53\u524d\u7684\u6700\u4f18\uff0c\u800c\u662f\u5168\u5c40\u6700\u4f18\uff0c\u8fd9\u5c31\u5927\u5927\u63d0\u9ad8\u4e86 Join \u7684\u6548\u7387\uff0cQ18 \u7684\u6027\u80fd\u63d0\u5347\u4e86\u4e00\u500d\u4ee5\u4e0a\u3002<\/p>\n<p>\u603b\u7ed3\u6765\u8bb2\uff0c\u5de6\u6df1\u6811\u7b97\u6cd5\u662f\u8d2a\u5fc3\u7684\uff0c\u4e0d\u7528\u679a\u4e3e\u6240\u6709\u7684\u6267\u884c\u8ba1\u5212\uff0c\u6240\u4ee5\u901f\u5ea6\u6bd4\u8f83\u5feb\uff1b\u7a20\u5bc6\u6811\u7b97\u6cd5\u57fa\u4e8e\u52a8\u6001\u89c4\u5212\uff0c\u641c\u7d22\u7684\u7a7a\u95f4\u66f4\u5927\uff0c\u4e5f\u66f4\u8d39\u65f6\u95f4\u3002\u8fd9\u4e24\u79cd\u7b97\u6cd5\u5206\u522b\u9002\u7528\u4e8e\u4e0d\u540c\u590d\u6742\u5ea6\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u4e5f\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u76ee\u524d\u4f18\u5316\u5668\u4f1a\u7efc\u5408\u8003\u8651 Query \u590d\u6742\u5ea6\u548c\u4f18\u5316\u8017\u65f6\uff0c\u5728\u4e24\u4e2a\u7b97\u6cd5\u4e4b\u95f4\u505a\u81ea\u9002\u5e94\u7684\u5207\u6362\u3002<\/p>\n<p>\u5bf9\u4e8e Hive \u6570\u4ed3\u6216\u662f\u6570\u636e\u6e56\u5206\u6790\u573a\u666f\uff0c\u5f88\u591a\u65f6\u5019\u6211\u4eec\u4f1a\u9047\u5230\u5206\u533a\u8868 Join\u3002\u5bf9\u4e8e\u8be5\u7c7b\u573a\u666f\uff0c\u6211\u4eec\u662f\u53ef\u4ee5\u5728\u6267\u884c\u5c42\u8fdb\u884c\u4f18\u5316\uff0c\u6bd4\u5982\u5c11\u8bfb\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u5206\u533a\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5927\u5927\u51cf\u5c11 Join \u6240\u9700\u7684\u6570\u636e\u91cf\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248409\" alt=\"12\" title=\"12\" loading=\"lazy\"><\/p>\n<p>\u4e0b\u9762\u4ecb\u7ecd\u5982\u4f55\u51cf\u5c11\u65e0\u6548\u5206\u533a\u6570\u636e\u8bfb\u53d6\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248410\" alt=\"13\" title=\"13\" loading=\"lazy\"><\/p>\n<p>\u5bf9\u4e8e\u5206\u533a\u8868\u88c1\u526a\uff0c\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u5206\u522b\u662f\u9759\u6001\u5206\u533a\u88c1\u526a\u548c\u52a8\u6001\u5206\u533a\u88c1\u526a\u3002\u9759\u6001\u5206\u533a\u88c1\u526a\u8981\u6c42\u5728 Query \u91cc\u9762\u4e00\u5b9a\u8981\u6307\u5b9a\u5206\u533a\u7684\u8fc7\u6ee4\u6761\u4ef6\uff0c\u8fd9\u6837\u624d\u80fd\u5728\u4f18\u5316\u9636\u6bb5\u88c1\u526a\u6389\u3002\u53e6\u5916\u4e00\u79cd\u60c5\u51b5\u662f\uff0c\u6ca1\u6709\u5177\u4f53\u6307\u5b9a\u54ea\u4e2a\u5206\u533a\uff0c\u4f46\u662f\u5728 Join \u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u7ef4\u8868\u91cc\u6570\u636e\u52a8\u6001\u786e\u5b9a\u8981\u8bfb\u53d6\u7684\u5206\u533a\uff0c\u4ece\u800c\u52a8\u6001\u7684\u8fdb\u884c\u5206\u533a\u88c1\u526a\u3002<\/p>\n<p>\u5728 FLIP-248 \u4e2d\uff0c\u63d0\u51fa\u5e76\u5f15\u5165\u4e86\u52a8\u6001\u5206\u533a\u88c1\u526a\u4f18\u5316\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff0csold_date \u662f\u5206\u533a\u8868\u7684\u5206\u533a\u5b57\u6bb5\uff0c\u4f46\u662f\u5e76\u6ca1\u6709\u6307\u5b9a\u8bfb\u54ea\u4e9b\u5206\u533a\u3002\u4f46\u662f\u5728 date_dim \u7ef4\u8868\u4e2d\uff0c\u6709\u201cyear=2000\u201d\u8fd9\u4e2a\u8fc7\u6ee4\u6761\u4ef6\uff0c\u901a\u8fc7\u8fd9\u4e2a\u6761\u4ef6\uff0c\u5728\u8fd0\u884c\u65f6\u5c31\u53ef\u4ee5\u786e\u5b9a\u9700\u8981\u8bfb\u53d6\u7684\u5206\u533a\u4fe1\u606f\uff0c\u5bf9\u4e8e\u4e0d\u9700\u8981\u8bfb\u53d6\u7684\u5206\u533a\u53ef\u4ee5\u76f4\u63a5\u8fc7\u6ee4\u6389\uff0c\u51cf\u5c11\u65e0\u6548\u6570\u636e\u91cf\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248411\" alt=\"14\" title=\"14\" loading=\"lazy\"><\/p>\n<p>\u524d\u9762\u662f\u9488\u5bf9\u5206\u533a\u8868 Join \u7684\u4f18\u5316\uff0c\u90a3\u4e48\u5982\u679c Join \u6761\u4ef6\u4e2d\u6ca1\u6709\u5e26\u5206\u533a\u5b57\u6bb5\uff0c\u662f\u5426\u4e5f\u53ef\u4ee5\u51cf\u5c11 Join \u9700\u8981\u5904\u7406\u7684\u6570\u636e\u91cf\uff1f\u4e8b\u5b9e\u4e0a\u9488\u5bf9\u8fd9\u4e2a\u95ee\u9898\u4e5f\u6709\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848 Runtime Filter\uff0c\u5176\u6838\u5fc3\u601d\u8def\u662f\u51cf\u5c11 Join \u5927\u8868\u4fa7\u9700\u8981 Shuffle \u7684\u6570\u636e\u91cf\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248412\" alt=\"15\" title=\"15\" loading=\"lazy\"><\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0csales \u8868 Join date_dim \u8868\uff0citem_id \u5b57\u6bb5\u662f Join \u7684\u7b49\u503c\u6761\u4ef6\uff0c\u4f46\u662f\u5176\u5e76\u4e0d\u662f\u5206\u533a\u5b57\u6bb5\uff0c\u90a3\u6211\u4eec\u662f\u6ca1\u6cd5\u505a\u52a8\u6001\u5206\u533a\u88c1\u526a\u7684\u3002\u867d\u7136\u6ca1\u6cd5\u505a\u52a8\u6001\u5206\u533a\u88c1\u526a\uff0c\u4f46\u5728\u8fd0\u884c\u65f6\u8bfb\u53d6\u5b8c\u7ef4\u8868\u7684\u6570\u636e\u540e\uff0c\u6211\u4eec\u662f\u53ef\u4ee5\u62ff\u5230 item_id \u7684\u96c6\u5408\uff0c\u901a\u8fc7\u5176\u6765\u51cf\u5c11\u5927\u8868\u4fa7\u9700\u8981 Shuffle \u7684\u6570\u636e\u91cf\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248413\" alt=\"16\" title=\"16\" loading=\"lazy\"><\/p>\n<p>\u5728 Flink 1.18 \u7248\u672c\u4e2d\uff0c\u8be5\u529f\u80fd\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\uff0c\u5927\u5bb6\u53ef\u4ee5\u901a\u8fc7 table.optimizer.runtime-filter.enabled \u53c2\u6570\u6253\u5f00\u3002<\/p>\n<h3>2.3 Runtime \u4f18\u5316<\/h3>\n<p>\u9664\u4e86\u4e0a\u6587\u4ecb\u7ecd\u7684 Join \u5c42\u9762\u7684\u4f18\u5316\uff0c\u5728\u6267\u884c\u5c42\u9762\u4e5f\u8fdb\u884c\u4e86\u4e00\u4e9b\u4f18\u5316\u3002\u8fd9\u91cc\u4ecb\u7ecd\u4e24\u4e2a\u6838\u5fc3\u7684\u4f18\u5316\uff0c\u7b2c\u4e00\u4e2a\u662f Operator Fusion CodeGen\uff0c\u7b2c\u4e8c\u4e2a\u662f Adaptive Batch Scheduler\u3002<\/p>\n<p><strong>\uff081\uff09Operator Fusion CodeGen<\/strong><\/p>\n<p>\u9996\u5148\u6211\u4eec\u4ece\u4e00\u4e2a\u5177\u4f53\u95ee\u9898\u5207\u5165\uff0c\u6765\u770b\u4e00\u4e0b\u4e3a\u4ec0\u4e48\u8981\u505a Operator Fusion CodeGen\u3002\u5728\u8dd1 TPC-DS \u7684\u8fc7\u7a0b\u4e2d\uff0c\u5bf9\u76f8\u5173 Query \u8fdb\u884c profie \u5206\u6790\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4ece\u4e2d\u53d1\u73b0\u4e86\u4e00\u4e9b\u95ee\u9898\u3002\u4e0b\u56fe\u662f Q99 \u7684\u706b\u7130\u56fe\uff0c\u901a\u8fc7\u8be5\u56fe\u53ef\u77e5\uff0c\u5728\u591a\u6b21 Join \u7684\u8fc7\u7a0b\u4e2d\uff0cCPU \u65f6\u95f4\u6d88\u8017\u7684\u5f88\u5206\u6563\uff0c\u6709\u5f88\u591a\u65e0\u6548\u7684 CPU \u8ba1\u7b97\uff0c\u4e3b\u8981\u5305\u62ec\u4e0b\u9762\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u865a\u51fd\u6570\u8c03\u7528\u5f00\u9500\uff1b<\/li>\n<li>\u4e2d\u95f4\u6570\u636e\u7269\u5316\u5230\u5185\u5b58\u7684\u5f00\u9500\uff1b<\/li>\n<li>Source Iterator \u5f00\u9500\uff1b<\/li>\n<li>\u591a\u4e2a\u7b97\u5b50\u4e4b\u95f4\u7684\u901a\u8fc7 collector \u4f20\u9012\u6570\u636e\u7684\u5f00\u9500\uff1b<\/li>\n<li>\u5176\u4ed6\u65e0\u6548\u8ba1\u7b97\u5f00\u9500\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248414\" alt=\"17\" title=\"17\" loading=\"lazy\"><\/p>\n<p>\u8fd9\u4e9b\u6846\u67b6\u548c\u7b97\u5b50\u5c42\u9762\u7684\u5f00\u9500\u5176\u5b9e\u662f\u53ef\u4ee5\u7701\u6389\u7684\uff0c\u4ece\u800c\u63d0\u5347 Query \u7684\u6267\u884c\u6548\u7387\u3002\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u4ece\u4e0b\u9762\u51e0\u70b9\u8fdb\u884c\u4f18\u5316\uff1a<\/p>\n<ul>\n<li>\u5c3d\u91cf\u907f\u514d\u5185\u5b58\u8bbf\u95ee\uff0c\u6570\u636e\u9a7b\u7559\u5728\u5bc4\u5b58\u5668\u4e2d\uff1b<\/li>\n<li>\u6d88\u9664\u865a\u51fd\u6570\u8c03\u7528\uff1b<\/li>\n<li>\u7f16\u8bd1\u6267\u884c\uff0c\u9762\u5411\u6bcf\u4e2a Query \u751f\u6210\u6700\u4f18\u7684\u4ee3\u7801\uff0c\u6267\u884c\u6548\u7387\u4f1a\u66f4\u9ad8\uff1b<\/li>\n<li>\u4ece Source \u8bfb\u5b8c\u6570\u636e\u4e4b\u540e\uff0c\u7528\u4e00\u4e2a For \u5faa\u73af\u53bb\u5904\u7406\uff1b<\/li>\n<li>\u5ef6\u8fdf\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n<p>\u9488\u5bf9\u4e0a\u8ff0\u4f18\u5316\u70b9\uff0c\u4e00\u79cd\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848\u662f Operator Fusion CodeGen\u3002\u90a3\u4ec0\u4e48\u662f Operator Fusion CodeGen \u5462\uff0c\u7b80\u79f0\u591a\u7b97\u5b50\u878d\u5408 CodeGen\uff0c\u6765\u81ea\u4e8e\u6258\u9a6c\u65af-\u8bfa\u4f9d\u66fc\u7684\u8bba\u6587\uff0c\u5176\u6838\u5fc3\u601d\u8def\u662f\u628a\u591a\u4e2a\u7b97\u5b50\u7684\u4ee3\u7801\u901a\u8fc7 produce-consume \u63a5\u53e3\u878d\u5408\u5230\u4e00\u8d77\uff0c\u6bcf\u4e2a\u7b97\u5b50\u53ea\u751f\u6210\u4e00\u90e8\u5206\u4ee3\u7801\u7247\u6bb5\uff0c\u6700\u540e\u628a\u6240\u6709\u7b97\u5b50\u7684\u4ee3\u7801\u7247\u6bb5\u62fc\u63a5\u7ec4\u88c5\u5728\u4e00\u8d77\uff0c\u6700\u7ec8\u53ea\u751f\u6210\u4e00\u4e2a\u7b97\u5b50\uff0c\u8be5\u7b97\u5b50\u5305\u542b\u4e86\u539f\u6765\u6240\u6709\u7b97\u5b50\u5904\u7406\u6570\u636e\u903b\u8f91\u7684\u4ee3\u7801\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248415\" alt=\"18\" title=\"18\" loading=\"lazy\"><\/p>\n<p>Operator Fusion CodeGen \u6838\u5fc3\u76ee\u6807\u5c31\u662f\u5c3d\u91cf\u628a\u6574\u4e2a Query \u7684\u591a\u4e2a\u7b97\u5b50\u901a\u8fc7 CodeGen \u7684\u65b9\u5f0f\u7f16\u8bd1\u7ec4\u88c5\u5230\u4e00\u4e2a\u51fd\u6570\u6216\u662f\u4e00\u4e2a\u7b97\u5b50\u91cc\uff0c\u8fd9\u6837\u5c31\u80fd\u5c3d\u53ef\u80fd\u7684\u6d88\u9664\u4e00\u4e9b\u5197\u4f59\u7684\u4ee3\u7801\u548c\u8ba1\u7b97\uff0c\u8ba9\u6574\u4e2a Pipeline \u7684\u6570\u636e\u5904\u7406\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<p>\u5728 FLIP-315 \u4e2d\uff0c\u6211\u4eec\u4e3a Flink \u5f15\u5165\u4e86\u8fd9\u4e2a\u4f18\u5316\uff0c\u76ee\u524d\u652f\u6301\u4e86 Calc\u3001HashJoin\u3001HashAgg \u7b97\u5b50\u3002\u5f53\u524d\u8fd8\u662f\u4e2a\u5b9e\u9a8c\u6027\u8d28\u7684\u529f\u80fd\uff0c\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570 table.exec.operator.fusion.codegen \u6253\u5f00\u3002<\/p>\n<p><strong>\uff082\uff09Adaptive Batch Scheduler<\/strong><\/p>\n<p>Adaptive Batch Scheduler \u662f\u53e6\u5916\u4e00\u4e2a\u4f18\u5316\uff0c\u8fd9\u4e2a\u5728 Flink 1.15 \u7248\u672c\u4e2d\u5c31\u5df2\u7ecf\u5f15\u5165\u4e86\uff0c\u5b83\u89e3\u51b3\u7684\u662f\u6279\u4f5c\u4e1a\u5e76\u884c\u5ea6\u8bbe\u7f6e\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5728\u6d41\u573a\u666f\u4e2d\uff0c\u8bbe\u7f6e\u5e76\u884c\u5ea6\u662f\u5f88\u6b63\u5e38\u7684\u4e8b\u60c5\u3002\u4f46\u662f\u5bf9\u4e8e\u6279\u4f5c\u4e1a\u6765\u8bb2\uff0c\u6bcf\u5929\u7684\u6570\u636e\u91cf\u90fd\u53ef\u80fd\u5728\u53d8\u5316\uff0c\u800c\u4e14\u6279\u4f5c\u4e1a\u7684\u6570\u91cf\u76f8\u6bd4\u6d41\u4f5c\u4e1a\u4f1a\u591a\u5f88\u591a\uff0c\u8fd9\u5c31\u5bfc\u81f4\u6211\u4eec\u65e0\u6cd5 case by case \u7684\u5bf9\u6bcf\u4e2a\u6279\u4f5c\u4e1a\u8fdb\u884c\u5e76\u884c\u5ea6\u8c03\u4f18\uff0c\u56e0\u6b64\u4e5f\u5c31\u9700\u8981\u5177\u5907\u81ea\u52a8\u8bbe\u7f6e\u5e76\u884c\u5ea6\u7684\u80fd\u529b\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248416\" alt=\"19\" title=\"19\" loading=\"lazy\"><\/p>\n<p>\u5728 Flink 1.17 \u7248\u672c\u4e2d\uff0c\u6211\u4eec\u5c06 Adaptive Batch Scheduler \u8bbe\u7f6e\u4e3a\u6279\u4f5c\u4e1a\u9ed8\u8ba4\u7684 Scheduler\uff0c\u4e5f\u5c31\u662f\u8bf4\u7528\u6237\u4e0d\u9700\u8981\u989d\u5916\u53bb\u6253\u5f00\u8fd9\u4e2a\u529f\u80fd\u3002\u9664\u4e86\u52a8\u6001\u8bbe\u7f6e\u5e76\u53d1\uff0c\u540e\u7eed\u53ef\u80fd\u4f1a\u505a\u66f4\u6df1\u5165\u7684 Adaptive Query Execution\uff0c\u53ef\u4ee5\u52a8\u6001\u7684\u8c03\u6574 Join \u7b56\u7565\uff0c\u4ee5\u53ca\u89e3\u503e\u659c\u7b49\u3002<\/p>\n<p>\u57fa\u4e8e\u4e0a\u8ff0\u6211\u4eec\u5728 QO \u548c QE \u5c42\u9762\u505a\u7684\u4f18\u5316\uff0cFlink Batch \u8fc7\u53bb\u51e0\u4e2a\u7248\u672c\u5728 TPC-DS 10T \u6570\u636e\u96c6\u573a\u666f\u4e0b\uff0c\u6027\u80fd\u4e00\u76f4\u5728\u63d0\u5347\uff0c\u6574\u4f53\u65f6\u95f4\u4e5f\u5df2\u8ffd\u5e73\u4e3b\u6d41\u6279\u8ba1\u7b97\u5f15\u64ce\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248417\" alt=\"20\" title=\"20\" loading=\"lazy\"><\/p>\n<h3>2.4 \u7a33\u5b9a\u6027\u4f18\u5316<\/h3>\n<p>\u9664\u4e86\u6027\u80fd\u65b9\u9762\u7684\u4f18\u5316\uff0c\u6211\u4eec\u4e5f\u5728\u6301\u7eed\u4f18\u5316 Flink Batch \u7684\u7a33\u5b9a\u6027\u3002\u5728\u7a33\u5b9a\u6027\u65b9\u9762\uff0c\u505a\u7684\u7b2c\u4e00\u4e2a\u4f18\u5316\u662f Adaptive Hash Join\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248418\" alt=\"21\" title=\"21\" loading=\"lazy\"><\/p>\n<p>\u7531\u4e8e\u4e00\u4e9b\u5386\u53f2\u539f\u56e0\uff0cFlink \u7684 HashJoin \u6ca1\u6709\u9009\u62e9\u7eaf\u5185\u5b58\u7248\u7684 Join \u7b97\u6cd5\uff0c\u800c\u662f\u9009\u62e9\u4e86 Hybird HashJoin \u7b97\u6cd5\u3002\u7b97\u6cd5\u7684\u57fa\u672c\u601d\u8def\u662f\u6839\u636e Join key \u5bf9 build \u7aef\u5148\u5212\u5206 Partition\uff0c\u5f53\u5185\u5b58\u4e0d\u591f\u65f6\uff0c\u4f1a\u9009\u62e9\u5f53\u524d\u5360\u7528\u5185\u5b58\u6700\u5927\u7684 Partition \u8fdb\u884c\u843d\u76d8\uff0c\u91ca\u653e\u4e00\u90e8\u5206\u5185\u5b58\uff1b\u63a5\u7740\u6784\u5efa\u65b0\u7684\u5206\u533a\u3002\u5f53 probe \u7aef\u6570\u636e\u6765\u7684\u65f6\u5019\uff0c\u4f1a\u5224\u65ad\u5f53\u524d\u6570\u636e\u5bf9\u5e94\u7684 build \u7aef\u7684 Partition \u662f\u5426\u5728\u5185\u5b58\u4e2d\uff0c\u5982\u679c\u5728\u5185\u5b58\u4e2d\uff0c\u5219\u76f4\u63a5 Join\u3002\u5982\u679c\u4e0d\u5728\u5185\u5b58\u4e2d\uff0c\u5219\u4f1a\u628a probe \u7aef\u6570\u636e\u540c\u6837\u843d\u76d8\uff0c\u7b49\u524d\u9762\u6240\u6709\u5185\u5b58\u4e2d\u7684 Partition \u5904\u7406\u5b8c\u4e4b\u540e\u518d\u6765\u5904\u7406\uff0c\u4f9d\u6b21\u9012\u5f52\u5904\u7406\u4e0b\u53bb\u3002\u8be5\u7b97\u6cd5\u867d\u7136\u53ef\u4ee5\u907f\u514d OOM\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u5f53 Join key \u6570\u636e\u503e\u659c\u4e25\u91cd\uff0c\u4e5f\u5c31\u662f\u5f53\u67d0\u4e2a Partition \u6570\u636e\u91cf\u7279\u522b\u5927\u7684\u8bdd\uff0c\u9012\u5f52\u4f1a\u65e0\u9650\u5faa\u73af\u4e0b\u53bb\uff0c\u5bfc\u81f4 Join \u6c38\u8fdc\u90fd\u65e0\u6cd5\u7ed3\u675f\u3002<\/p>\n<p>\u9488\u5bf9\u8fd9\u4e2a\u95ee\u9898\uff0c\u5728 Flink 1.16 \u7248\u672c\u5bf9\u503e\u659c\u5206\u533a\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u5373\u5f53\u5b83\u7684\u9012\u5f52\u6b21\u6570\u5927\u4e8e 3 \u6b21\u4e4b\u540e\uff0c\u8bf4\u660e\u8be5 Partition \u503e\u659c\u5df2\u7ecf\u975e\u5e38\u4e25\u91cd\u4e86\uff0c\u8fd9\u4e2a\u65f6\u5019\u53ef\u4ee5\u81ea\u9002\u5e94\u7684 fallback \u5230 Sort Merge Join \u7b56\u7565\u6765\u5904\u7406\uff0c\u6211\u4eec\u628a\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4f5c Adaptive Hash Join\u3002Adaptive Hash Join \u7684\u6838\u5fc3\u601d\u8def\u662f\u628a\u5185\u5b58\u4e2d\u53ef\u4ee5\u653e\u7684\u4e0b\u7684 Partition \u7528 Hash Join \u6765\u5904\u7406\uff0c\u5185\u5b58\u4e2d\u653e\u4e0d\u4e0b\u7684 Partition \u7528 Sort Merge Join \u6765\u5904\u7406\uff0c\u8fd9\u6837\u65e2\u4fdd\u8bc1\u4e86\u6027\u80fd\uff0c\u53c8\u63d0\u5347\u4e86\u7a33\u5b9a\u6027\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248419\" alt=\"22\" title=\"22\" loading=\"lazy\"><\/p>\n<p><strong>Speculative Execution \u63a8\u6d4b\u6267\u884c<\/strong><\/p>\n<p>\u5728\u751f\u4ea7\u4e2d\uff0c\u5f88\u591a\u65f6\u5019\u4f5c\u4e1a\u662f\u5171\u4eab\u96c6\u7fa4\u7684\uff0c\u4e0d\u540c\u7684\u4e1a\u52a1\u8dd1\u5728\u540c\u4e00\u4e2a\u96c6\u7fa4\u4e0a\uff0c\u8fd9\u90fd\u53ef\u80fd\u5bfc\u81f4\u673a\u5668\u70ed\u70b9\uff0c\u4f7f\u5f97\u4e0a\u9762\u8fd0\u884c\u7684 Flink \u4efb\u52a1\u5f02\u5e38\u7f13\u6162\u3002\u8fd9\u4e9b\u7f13\u6162\u7684\u4efb\u52a1\u4f1a\u5f71\u54cd\u6574\u4e2a\u4f5c\u4e1a\u7684\u6267\u884c\u65f6\u95f4\uff0c\u4f7f\u5f97\u4f5c\u4e1a\u7684\u4ea7\u51fa\u57fa\u7ebf\u65e0\u6cd5\u5f97\u5230\u4fdd\u969c\uff0c\u6210\u4e3a\u4e86\u90e8\u5206\u7528\u6237\u4f7f\u7528 Flink \u6765\u8fdb\u884c\u6279\u5904\u7406\u7684\u963b\u788d\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248420\" alt=\"23\" title=\"23\" loading=\"lazy\"><\/p>\n<p>Speculative Execution\uff0c\u4e5f\u53eb\u63a8\u6d4b\u6267\u884c\uff0c\u662f\u4e00\u79cd\u5df2\u7ecf\u5f97\u5230\u666e\u904d\u7684\u8ba4\u53ef\u3001\u7528\u6765\u89e3\u51b3\u8fd9\u7c7b\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u56e0\u6b64\u6211\u4eec\u4e5f\u5728 Flink 1.16 \u4e2d\u5f15\u5165\u4e86\u8fd9\u5957\u673a\u5236\u3002<\/p>\n<p>\u63a8\u6d4b\u6267\u884c\u65b9\u6848\u7684\u6574\u4f53\u67b6\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u5728 FLIP-168 \u4e2d\u6846\u67b6\u5c42\u9762\u5bf9\u5185\u90e8\u7b97\u5b50\u652f\u6301\u4e86\u63a8\u6d4b\u6267\u884c\uff0c\u5728 FLIP-245 \u91cc\u5bf9 Source \u5b9e\u73b0\u4e86\u652f\u6301\uff1b\u5728 FLIP-281 \u4e2d\uff0c\u5bf9 Sink \u5b9e\u73b0\u4e86\u652f\u6301\u3002\u603b\u800c\u8a00\u4e4b\uff0c\u7ecf\u8fc7\u591a\u4e2a\u7248\u672c\u7684\u8fed\u4ee3\uff0c\u63a8\u6d4b\u6267\u884c\u5728 Flink Batch \u4e2d\u7684\u652f\u6301\u5df2\u7ecf\u6bd4\u8f83\u5b8c\u5584\uff0c\u7528\u6237\u53ef\u4ee5\u653e\u5fc3\u7684\u7528\u8d77\u6765\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248421\" alt=\"24\" title=\"24\" loading=\"lazy\"><\/p>\n<h3>2.5 SQL \u670d\u52a1\u5316<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248422\" alt=\"25\" title=\"25\" loading=\"lazy\"><\/p>\n<p>Flink \u662f\u4e00\u4e2a\u6d41\u6279\u4e00\u4f53\u8ba1\u7b97\u5f15\u64ce\uff0cFlink SQL \u53ef\u4ee5\u6ee1\u8db3 Streaming\/Batch\/OLAP \u4e09\u7c7b\u573a\u666f\u7684\u9700\u6c42\u3002\u9762\u5bf9\u8fd9\u4e48\u591a\u4e0d\u540c\u7c7b\u7684\u9700\u6c42\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u7edf\u4e00\u7684 SQL \u670d\u52a1\u5316\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u5f88\u65b9\u4fbf\u6211\u4eec\u63d0\u4ea4 SQL\u3001\u7ba1\u7406\u4f5c\u4e1a\uff0c\u4e0d\u7528\u6bcf\u4e2a\u7528\u6237\u90fd\u81ea\u5df1\u53bb\u642d\u4e00\u5957\u670d\u52a1\u5316\u7ec4\u4ef6\uff0c\u907f\u514d\u91cd\u590d\u5f00\u53d1\u3002\u53e6\u5916\uff0c\u5176\u5b9e\u6700\u65e9\u793e\u533a\u5728 Github Ververica \u7ec4\u7ec7\u4e0b\u63d0\u4f9b\u4e86 SQL Gateway\uff0c\u540e\u6765\u7531\u4e8e\u4e00\u4e9b\u539f\u56e0\u5c31\u6ca1\u6709\u518d\u6301\u7eed\u5f00\u53d1\uff0c\u4f46\u793e\u533a\u4e00\u76f4\u6709\u7528\u6237\u5728\u7528\u3002\u8003\u8651\u5230 Flink Batch \u7684\u9700\u6c42\uff0c\u4ee5\u53ca\u793e\u533a\u7528\u6237\u7684\u547c\u58f0\uff0c\u56e0\u6b64\u5728 1.16 \u7248\u672c\u793e\u533a\u5728 Flink \u4e3b\u4ed3\u5e93\u5f15\u5165\u4e86 SQL Gateway \u7ec4\u4ef6\u3002<\/p>\n<p>SQL Gateway \u662f\u4e00\u79cd\u652f\u6301\u8fdc\u7a0b\u591a\u4e2a\u5ba2\u6237\u7aef\u5e76\u53d1\u6267\u884c SQL \u7684\u670d\u52a1\u5316\u7f51\u5173\uff0c\u5176\u5728\u67b6\u6784\u8bbe\u8ba1\u4e0a\u7531\u53ef\u63d2\u62d4\u7684 Endpoint \u548c SQLGatewayService \u7ec4\u6210\uff0c\u53ef\u4ee5\u652f\u6301\u4e0d\u540c\u534f\u8bae\uff0c\u5305\u62ec HTTPS REST \u534f\u8bae\u3001HiveServer2 \u534f\u8bae\uff0c\u53ef\u4ee5\u517c\u5bb9\u4e0d\u540c SQL \u7684\u8bed\u6cd5\u3002<\/p>\n<p>\u57fa\u4e8e\u524d\u7f6e\u7684\u5de5\u4f5c\uff0c\u5728 FLIP-275 \u4e2d\uff0c\u793e\u533a\u5bf9 SQL Client \u4e5f\u8fdb\u884c\u4e86\u91cd\u6784\uff0c\u628a\u5e95\u5ea7\u7edf\u4e00\u67b6\u5728 SQL Gateway \u4e0a\uff0c\u8fd9\u6837\u4e24\u8005\u7684\u80fd\u529b\u662f\u5171\u4eab\u548c\u5bf9\u9f50\u7684\uff0cSQL Client \u4e5f\u5c31\u66f4\u52a0\u7075\u6d3b\u3002<\/p>\n<p>\u53e6\u5916\u793e\u533a\u63d0\u4f9b\u4e86 Flink JDBC Driver\uff0c\u5176\u517c\u5bb9\u8001\u7684 SQL Gateway\uff08\u5e95\u5c42\u57fa\u4e8e RestClient\uff09\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u7528\u6237\u4ee5 JDBC \u7684\u65b9\u5f0f\u63d0\u4ea4 Flink \u6d41\u4f5c\u4e1a\u548c\u6279\u4f5c\u4e1a\uff0c\u8fd9\u5bf9\u5df2\u6709\u7684\u6279\u4f5c\u4e1a\u8fc1\u79fb\u5230 Flink \u4e0a\u4e5f\u5f88\u65b9\u4fbf\uff0c\u5ba2\u6237\u7aef\u53ea\u9700\u8981\u628a JDBC Driver \u6362\u6210 Flink \u7684\u5373\u53ef\uff0c\u65e0\u9700\u5927\u7684\u6539\u52a8\u3002<\/p>\n<h2>\u4e09\u3001\u540e\u7eed\u89c4\u5212<\/h2>\n<p>\u4e0a\u6587\u4ecb\u7ecd\u4e86 Flink Batch \u8fc7\u53bb\u4e09\u4e2a\u7248\u672c\u505a\u7684\u4e00\u4e9b\u6838\u5fc3\u4f18\u5316\uff0c\u540e\u7eed\u6211\u4eec\u4e5f\u4f1a\u5728 Flink Batch \u4e0a\u6301\u7eed\u6295\u5165\uff0c\u4e3b\u8981\u4f1a\u4ece\u4e24\u4e2a\u65b9\u9762\u53bb\u505a\u3002\u9996\u5148\u5728\u5f15\u64ce\u5c42\u9762\u4f1a\u6301\u7eed\u8fdb\u884c\u4f18\u5316\uff0c\u6bd4\u5982\u7ee7\u7eed\u5b8c\u5584 OFCG\u3001Runtime Filter \u7b49\uff0c\u540c\u65f6\u4e5f\u4f1a\u8003\u8651\u53bb\u652f\u6301 Adaptive Query Execution\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044248423\" alt=\"26\" title=\"26\" loading=\"lazy\"><\/p>\n<p>\u5176\u6b21\uff0c\u6211\u4eec\u4f1a\u82b1\u66f4\u591a\u7cbe\u529b\u5728\u7528\u6237\u843d\u5730\u65b9\u9762\uff0c\u6bd4\u5982\u53bb\u5bf9\u63a5\u6570\u636e\u6e56\u5b58\u50a8 Paimon\u3001Hudi\u3001Iceberg \u7b49\uff0c\u5728\u65b0\u5174\u6570\u636e\u6e56\u5206\u6790\u573a\u666f\u6301\u7eed\u6253\u78e8 Flink Batch \u5f15\u64ce\u3002<\/p>\n<h2>Q&#038;A<\/h2>\n<p>Q\uff1a\u8bf7\u95ee SQL Gateway \u5728 Flink \u793e\u533a\u662f\u5426\u6709\u957f\u7ebf\u89c4\u5212\uff1f\u672a\u6765\u662f\u5426\u4f1a\u8ddf Kyuubi \u7ade\u4e89\uff1f<br \/>A\uff1a\u76ee\u524d\u6ca1\u6709\u8fd9\u6837\u7684\u8ba1\u5212\uff0c\u56e0\u4e3a SQL Gateway \u66f4\u591a\u8003\u8651\u8fd8\u662f\u9762\u5411 Flink \u672c\u8eab\u3002Flink \u662f\u6d41\u6279\u4e00\u4f53\u7684\u8ba1\u7b97\u5f15\u64ce\uff0cGateway \u5728\u8bbe\u8ba1\u4e0a\uff0c\u66f4\u591a\u7684\u517c\u5bb9\u4e86 Flink \u6d41\u6279\u4e24\u79cd\u6a21\u5f0f\u3002Kyuubi \u662f\u4e00\u4e2a\u72ec\u7acb\u793e\u533a\uff0c\u5b83\u96c6\u6210\u4e86 Flink SQL\uff0c\u4f46\u662f\u4e3b\u8981\u9762\u5411 Hive\/Spark \u7b49 Batch \u751f\u6001\uff0c\u5728\u6d41\u6a21\u5f0f\u7684\u670d\u52a1\u5316\u4e0a\u652f\u6301\u7684\u4e0d\u592a\u5b8c\u5584\u3002\u4ece\u957f\u8fdc\u6765\u770b\uff0c\u793e\u533a\u76ee\u524d\u6ca1\u6709\u5c06 SQL Gateway \u53d8\u6210\u72ec\u7acb\u7684\u5916\u90e8 Service \u7ec4\u4ef6\u7684\u8ba1\u5212\u3002<\/p>\n<p>Q\uff1a\u8bf7\u95ee\u901a\u8fc7\u4f18\u5316\u5668\u4f18\u5316\u6389\u7684\u6570\u636e\uff0c\u672a\u6765\u662f\u5426\u53ef\u4ee5\u518d\u6062\u590d\uff1f<br \/>A\uff1a\u5982\u679c\u662f\u57fa\u4e8e CBO \u7684\u4f18\u5316\uff0c\u4f18\u5316\u5668\u5728\u4f18\u5316\u7684\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684 Plan \u90fd\u662f\u4f1a\u4fdd\u7559\u7684\uff0c\u53ea\u662f\u5b83\u6700\u7ec8\u4f1a\u6839\u636e\u4e0d\u540c\u7684 Plan \u8ba1\u7b97 cost\uff0c\u54ea\u4e2a\u6700\u5c0f\u5c31\u4f1a\u9009\u54ea\u4e2a\u3002<\/p>\n<p><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=PbV%2BzS6eYaBmARyMoCtLzw%3D%3D.jEV75CA%2FElT35gT%2Fg9FLqDc9OV2uRY0zFjRkZ7LlXCriqRmHf5HIU%2FCLn%2FYBNgpsm0u06i4Q30nXesU%2F9Nf3DQlhei%2B%2Fru8u3AjaKZoP4CNMK5VObks97OSeXR%2FpWVe7%2Fgh31z9guLjBTCcu%2FhshlQ%3D%3D\" rel=\"noopener noreferrer\">\u70b9\u51fb\u67e5\u770b\u539f\u6587\u89c6\u9891 &#038; \u6f14\u8bb2PPT<\/a><\/p>\n<hr>\n<p>Flink Forward Asia 2023 \u6b63\u5f0f\u542f\u52a8<\/p>\n<p><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=cyhotS9sU38%2B%2B0thdkbN3g%3D%3D.dpsDJ3yTa24iRl8ODd9vpmzpha7BbVTknqAoZp15E2WAkoJdkBlaTz9mFBNr6kWvlplz3TDuOFksSp4D%2F23k%2FnkBBiHi78xaAyNJQ29Hx3m2Sd88CqgPYK7b5liekkns\" rel=\"noopener noreferrer\">\u70b9\u51fb\u67e5\u770b\u6d3b\u52a8\u8be6\u60c5<\/a><br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044228523\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<hr>\n<h2>\u66f4\u591a\u5185\u5bb9<\/h2>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044173155\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><\/p>\n<h3>\u6d3b\u52a8\u63a8\u8350<\/h3>\n<p>\u963f\u91cc\u4e91\u57fa\u4e8e Apache Flink \u6784\u5efa\u7684\u4f01\u4e1a\u7ea7\u4ea7\u54c1-\u5b9e\u65f6\u8ba1\u7b97 Flink \u7248\u73b0\u5f00\u542f\u6d3b\u52a8\uff1a<br \/>\u9996\u8d2d99\u5143\u5305\u6708\u8bd5\u7528\uff0c\u6709\u673a\u4f1a\u8d62\u53d6\u5b9a\u5236\u5468\u8fb9\u793c\u54c1\uff01 <br \/>\u4ea7\u54c1\u5b98\u7f51\uff1a<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=%2FP%2Fb%2F%2FWSlncjfCqpQntyVg%3D%3D.G6L87sS%2BUdfHE6LNfIjzwNBBeEV%2Bc87VqFnRGRRA9B9kcLdXo8mnIAD2DkJX3TAl\" rel=\"noopener noreferrer\">https:\/\/www.aliyun.com\/product\/bigdata\/sc<\/a><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044173132\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044248396\">https:\/\/segmentfault.com\/a\/1190000044248396<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u6574\u7406\u81ea\u963f\u91cc\u4e91\u7814\u53d1\u5de5\u7a0b\u5e08\u5218\u5927\u9f99\uff08\u98ce\u79bb\uff09\uff0c\u5728 Streaming Lakehouse Meetup \u7684\u5206\u4eab\u3002\u5185 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10008314","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008314","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"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008314"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008314\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}