{"id":10008019,"date":"2023-06-30T10:59:34","date_gmt":"2023-06-30T02:59:34","guid":{"rendered":"https:\/\/ityet.com\/?p=10008019"},"modified":"2023-06-30T10:59:34","modified_gmt":"2023-06-30T02:59:34","slug":"flink-cdc-2-4-%e6%ad%a3%e5%bc%8f%e5%8f%91%e5%b8%83%ef%bc%8c%e6%96%b0%e5%a2%9e-vitess-%e6%95%b0%e6%8d%ae%e6%ba%90%ef%bc%8c%e6%9b%b4%e5%a4%9a%e8%bf%9e%e6%8e%a5%e5%99%a8%e6%94%af%e6%8c%81%e5%a2%9e","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008019","title":{"rendered":"Flink CDC 2.4 \u6b63\u5f0f\u53d1\u5e03\uff0c\u65b0\u589e Vitess \u6570\u636e\u6e90\uff0c\u66f4\u591a\u8fde\u63a5\u5668\u652f\u6301\u589e\u91cf\u5feb\u7167\uff0c\u5347\u7ea7 Debezium \u7248\u672c"},"content":{"rendered":"<h2>\u4e00\u3001Flink CDC \u7b80\u4ecb<\/h2>\n<p>Flink CDC[1] \u662f\u57fa\u4e8e\u6570\u636e\u5e93\u7684\u65e5\u5fd7 CDC \u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u5168\u589e\u91cf\u4e00\u4f53\u5316\u8bfb\u53d6\u7684\u6570\u636e\u96c6\u6210\u6846\u67b6\u3002\u914d\u5408 Flink \u4f18\u79c0\u7684\u7ba1\u9053\u80fd\u529b\u548c\u4e30\u5bcc\u7684\u4e0a\u4e0b\u6e38\u751f\u6001\uff0cFlink CDC \u53ef\u4ee5\u9ad8\u6548\u5b9e\u73b0\u6d77\u91cf\u6570\u636e\u7684\u5b9e\u65f6\u96c6\u6210\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043953917\" alt=\"1\" title=\"1\" loading=\"lazy\"><\/p>\n<p>\u4f5c\u4e3a\u65b0\u4e00\u4ee3\u7684\u5b9e\u65f6\u6570\u636e\u96c6\u6210\u6846\u67b6\uff0cFlink CDC \u5177\u6709\u5168\u589e\u91cf\u4e00\u4f53\u5316\u3001\u65e0\u9501\u8bfb\u53d6\u3001\u5e76\u884c\u8bfb\u53d6\u3001\u8868\u7ed3\u6784\u53d8\u66f4\u81ea\u52a8\u540c\u6b65\u3001\u5206\u5e03\u5f0f\u67b6\u6784\u7b49\u6280\u672f\u4f18\u52bf\uff0c\u540c\u65f6\u793e\u533a\u63d0\u4f9b\u4e86\u5b8c\u5584\u7684\u4e2d\u82f1\u6587\u6587\u6863\u652f\u6301[2]\u3002\u5728 Flink CDC \u5f00\u6e90\u7684\u4e09\u5e74\u65f6\u95f4\u91cc\uff0c\u793e\u533a\u53d1\u5c55\u8fc5\u901f\uff0c\u76ee\u524d Flink CDC \u793e\u533a\u5df2\u6709 91 \u4f4d\u8d21\u732e\u8005\uff0c7 \u4f4d Maintainer \u6210\u5458\uff0c\u793e\u533a\u9489\u9489\u7fa4(\u7fa4\u53f7: 33121212) \u8d85\u8fc7 8900 \u4eba\u3002<\/p>\n<h2>\u4e8c\u3001Flink CDC 2.4 \u6982\u89c8<\/h2>\n<p>\u5728\u793e\u533a\u7528\u6237\u548c\u5f00\u53d1\u8005\u4eec\u7684\u5171\u540c\u52aa\u529b\u4e0b\uff0c Flink CDC 2.4 \u5728\u7aef\u5348\u5047\u671f\u540e\u6b63\u5f0f\u53d1\u5e03\u4e86\uff1a<\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=xqt9s65SbmwBlV8B0nhcTQ%3D%3D.AFcUVMKUxxIOC1H7Vy63WVZEjYAIbd62SWQwDIsCExM9AqcKNu3VXmrm1vbFXHmwE%2B2%2Fydt93xoz8t%2F0Q15aTXeW9WUqzVSE%2FX%2FIOxNpTDg%3D\" rel=\"nofollow\">https:\/\/github.com\/ververica\/flink-cdc-connectors\/releases\/tag\/release-2.4.0<\/a><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043953918\" alt=\"2\" title=\"2\" loading=\"lazy\"><\/p>\n<p>2.4 \u7248\u672c\u5171\u6709 32 \u4f4d\u793e\u533a\u8d21\u732e\u8005\u53c2\u4e0e\u8d21\u732e\uff0c\u8ba1\u89e3\u51b3 141 \u4e2a issue\uff0c\u5408\u5e76\u4e86 86 \u4e2aPR\uff0c\u8d21\u732e\u4e86 96 \u4e2a commits\u3002 \u4ece\u4ee3\u7801\u5206\u5e03\u4e0a\u770b\uff0cMySQL CDC, MongoDB CDC, PostgreSQL CDC\uff0c\u589e\u91cf\u5feb\u7167\u6846\u67b6\uff08flink-cdc-base\uff09\u6a21\u5757\u4ee5\u53ca\u6587\u6863\u6a21\u5757\u5747\u4e3a\u7528\u6237\u5e26\u6765\u4e86\u5f88\u591a\u7279\u6027\u548c\u6539\u8fdb\u3002<\/p>\n<p>\u672c\u6587\u901a\u8fc7\u4e0b\u56fe\u5e26\u4f60 10 \u5206\u949f\u5feb\u901f\u4e86\u89e3 Flink CDC 2.4 \u7248\u672c\u7684\u91cd\u5927\u6539\u8fdb\u548c\u6838\u5fc3\u7279\u6027\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043953919\" alt=\"3\" title=\"3\" loading=\"lazy\"><\/p>\n<ul>\n<li>\u65b0\u589e Vitess CDC \u8fde\u63a5\u5668\uff0c\u652f\u6301 Vitess \u589e\u91cf\u6570\u636e\u540c\u6b65\u3002<\/li>\n<li>PostgreSQL CDC\uff0cSQL Server CDC \u4e24\u5927\u8fde\u63a5\u5668\u5747\u63a5\u5165\u4e86\u589e\u91cf\u5feb\u7167\u6846\u67b6\uff0c\u4ece\u800c\u63d0\u4f9b\u4e86\u65e0\u9501\u8bfb\u53d6\uff0c\u5e76\u53d1\u8bfb\u53d6\u548c\u65ad\u70b9\u7eed\u4f20\u7684\u80fd\u529b\u3002<\/li>\n<li>2.4 \u7248\u672c\u5347\u7ea7 Debezium \u7684\u4f9d\u8d56\u7248\u672c\u5230 1.9.7.Final\uff0c\u5f15\u5165\u4e86 Debezium \u65b0\u7248\u672c\u7684\u529f\u80fd\uff0c\u4f18\u5316\u548c\u4fee\u590d\uff0c\u6bd4\u5982\uff1a\u4fee\u590d\u90e8\u5206 DDL \u65e0\u6cd5\u89e3\u6790\u7684\u95ee\u9898\uff0c\u4fee\u590d\u89e3\u6790 MySQL JSON \u51fd\u6570\u95ee\u9898\uff0cOracle \u4e8b\u4ef6\u589e\u52a0 scn \u4fe1\u606f\u7b49\u3002<\/li>\n<li>\u589e\u91cf\u5feb\u7167\u6846\u67b6\u5728 2.4 \u7248\u672c\u589e\u52a0\u4e86\u81ea\u52a8\u5173\u95ed\u5168\u91cf\u9636\u6bb5\u7ed3\u675f\u540e\u7684\u7a7a\u95f2 Reader \u529f\u80fd\uff0c\u8be5\u529f\u80fd\u975e\u5e38\u5b9e\u7528\uff0c\u53ef\u4ee5\u5728\u751f\u4ea7\u73af\u5883\u8282\u7701\u8d44\u6e90\u3002<\/li>\n<li>MySQL CDC \u8fde\u63a5\u5668\u5728 2.4 \u7248\u672c\u652f\u6301\u8bfb\u53d6\u65e0\u4e3b\u952e\u8868\uff0c\u540c\u65f6\u652f\u6301\u65b0\u589e\u8868\u65f6\u539f\u6709\u5b9e\u65f6\u540c\u6b65\u94fe\u8def\u4e0d\u65ad\u6d41\u3002<\/li>\n<li>\u793e\u533a 2.4 \u7248\u672c\u517c\u5bb9 Flink 1.13 ~ 1.17 \u4e94\u4e2a Flink \u7248\u672c\u3002CDC \u7684 SQL Connector \u53ef\u4ee5\u8dd1\u5728\u4e0d\u540c\u7684 Flink \u96c6\u7fa4\u4e0a\u800c\u65e0\u9700\u4efb\u4f55\u4fee\u6539\uff0c\u5b9e\u73b0\u8de8\u7248\u672c\u517c\u5bb9\u3002\u5982\u679c\u662f Datastream \u4f5c\u4e1a\uff0c\u5219\u9700\u8981\u6839\u636e\u4e0d\u540c\u7684 Flink \u7248\u672c\u5f15\u5165\u4e0d\u540c\u7248\u672c\u7684 flink-shaded-guava \u4f9d\u8d56\uff0cDataStream \u7528\u6237\u53ef\u4ee5\u53c2\u8003 SQL Connector \u7684\u6253\u5305\u65b9\u5f0f\u7ba1\u7406\u6b63\u786e\u7684\u4f9d\u8d56\u3002<\/li>\n<li>MongoDB CDC \u652f\u6301\u6307\u5b9a\u65f6\u95f4\u6233\u6d88\u8d39\u6570\u636e\uff0c\u652f\u6301 mongodb + srv \u8fde\u63a5\u534f\u8bae\uff0c\u5e76\u4fee\u590d\u4e86\u82e5\u5e72\u95ee\u9898\uff0c\u5982\uff1a\u65e0\u6cd5\u89e3\u6790\u5e26\u8fde\u5b57\u7b26\u7684\u5e93\u540d\uff0c&#8217;poll.await.time.ms&#8217; \u914d\u7f6e\u672a\u751f\u6548\uff0c\u89e3\u6790 DDL\u51fa\u73b0\u7a7a\u6307\u9488\u7b49\u3002<\/li>\n<li>OceanBase CDC \u8fde\u63a5\u5668\u652f\u6301 JDBC \u53c2\u6570\u8bbe\u7f6e\uff0c\u652f\u6301\u6307\u5b9a Oracle \u9a71\u52a8\uff0c\u5b8c\u5584\u5bf9 Oracle \u6570\u636e\u7c7b\u578b\u7684\u652f\u6301\u3002<\/li>\n<\/ul>\n<h2>\u4e09\u3001\u8be6\u89e3\u6838\u5fc3\u7279\u6027\u548c\u91cd\u8981\u6539\u8fdb<\/h2>\n<h3>3.1 \u6df1\u5165\u89e3\u8bfb<\/h3>\n<p>Flink CDC 2.4 \u7248\u672c\u5e26\u6765\u4e86\u5f88\u591a\u91cd\u8981\u7684\u6539\u8fdb\u548c\u7279\u6027\uff0c\u672c\u6587\u6311\u9009\u6700\u91cd\u8981\u7684\u4e94\u4e2a\u8fdb\u884c\u8fdb\u4e00\u6b65\u89e3\u8bfb\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043953920\" alt=\"4\" title=\"4\" loading=\"lazy\"><\/p>\n<ul>\n<li><strong>\u65b0\u589e Vitess CDC \u8fde\u63a5\u5668<\/strong><\/li>\n<\/ul>\n<p>Vitess[3] \u662f\u4e00\u4e2a\u7528\u4e8e\u90e8\u7f72\uff0c\u6269\u5c55\u548c\u7ba1\u7406\u5927\u578b MySQL \u5b9e\u4f8b\u96c6\u7fa4\u7684\u6570\u636e\u5e93\u89e3\u51b3\u65b9\u6848\u3002Vitess \u7684 VStream \u662f\u4e00\u4e2a\u53d8\u66f4\u4e8b\u4ef6\u8ba2\u9605\u670d\u52a1\uff0c\u5b83\u80fd\u591f\u63d0\u4f9b\u4e0e\u6765\u81ea Vitess \u96c6\u7fa4\u5e95\u5c42 MySQL \u5206\u7247\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u76f8\u540c\u7684\u4fe1\u606f\u3002\u4e0b\u6e38\u53ef\u4ee5\u8ba2\u9605\u4e00\u4e2a keyspace \u7684\u591a\u4e2a\u5206\u7247\uff0c\u5f88\u65b9\u4fbf\u7684\u5b9e\u73b0 Vitess \u7684\u4e0b\u6e38 CDC \u5904\u7406\u5de5\u5177\u3002Vitess CDC \u8fde\u63a5\u5668\u5229\u7528 VStream \u83b7\u53d6\u6570\u636e\u53d8\u66f4\u6d88\u606f\u5e76\u53d1\u9001\uff0c\u76ee\u524d\u53ea\u652f\u6301\u8bfb\u53d6\u589e\u91cf\u9636\u6bb5\u7684\u53d8\u66f4\u540c\u6b65\uff0c\u76f8\u5f53\u4e8e\u4ec5\u652f\u6301 latest \u7684\u542f\u52a8\u6a21\u5f0f\u3002<\/p>\n<p>Vitess CDC \u8fde\u63a5\u5668\u7684\u652f\u6301\u80cc\u540e\u8fd8\u6709\u4e2a\u5c0f\u6545\u4e8b\uff0c\u8be5 Connector \u662f\u6765\u81ea Vinted \u7684 Simonas Gelazevicius \u5f00\u53d1\uff0c\u79c9\u6301 upstream first \u7684\u5f00\u6e90\u8d21\u732e\u7cbe\u795e\uff0c\u8fd9\u4f4d\u8d21\u732e\u8005\u4ece 2.0 \u7248\u672c\u5c31\u8bf7\u6c42\u793e\u533a\u5408\u5e76\u3002\u4f46\u662f\u8fd9\u4e2a\u6570\u636e\u6e90\u56fd\u5185\u7528\u6237\u975e\u5e38\u5c11\uff0c\u5404\u4e2aMaintainer \u90fd\u4e0d\u719f\u6089\u5176\u6280\u672f\u7ec6\u8282\uff0c\u6240\u4ee5\u4e00\u76f4\u6ca1\u80fd\u5408\u5e76\u5230\u793e\u533a\u4e3b\u5e72\u5206\u652f\u3002Simonas Gelazevicius \u5728 Flink CDC \u793e\u533a\u6bcf\u53d1\u5e03\u4e00\u4e2a\u7248\u672c\u540e\u90fd\u4f1a\u4e3b\u52a8 rebase PR, \u8fd9\u80a1\u575a\u6301\u6253\u52a8\u4e86\u793e\u533a\u5168\u4f53 Maintainer \u6210\u5458\uff0c\u793e\u533a Maintainer \u4efb\u5e86\u76db\u548c\u65b9\u76db\u51ef\u4e3b\u52a8\u5b66\u4e60 Vitess \u76f8\u5173\u6280\u672f\uff0c\u5e2e\u52a9 review \u5e76\u6539\u8fdb PR\u3002\u6700\u7ec8\u8be5\u8fde\u63a5\u5668\u7531\u8d21\u732e\u8005Simonas Gelazevicius\uff0c Gintarasm \uff0c\u65b9\u76db\u51ef\u548c\u4efb\u5e86\u76db\u5171\u540c\u5b8c\u6210\u3002<\/p>\n<ul>\n<li><strong>PostgreSQL CDC \u548c SQL Server CDC\u8fde\u63a5\u5668\u63a5\u5165\u589e\u91cf\u5feb\u7167\u6846\u67b6<\/strong><\/li>\n<\/ul>\n<p>2.4 \u7248\u672c\u4e2d\uff0cPostgreSQL CDC \u8fde\u63a5\u5668\u548c SQL Server CDC \u8fde\u63a5\u5668\u90fd\u5bf9\u63a5\u5230\u4e86 Flink CDC \u589e\u91cf\u5feb\u7167\u6846\u67b6\u4e0a\uff0c\u5b9e\u73b0\u4e86\u589e\u91cf\u5feb\u7167\u7b97\u6cd5\uff0c\u4ece\u800c\u63d0\u4f9b\u65e0\u9501\u8bfb\u53d6\uff0c\u5e76\u884c\u8bfb\u53d6\u548c\u65ad\u70b9\u7eed\u4f20\u7684\u529f\u80fd\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043953921\" alt=\"5\" title=\"5\" loading=\"lazy\"><\/p>\n<ul>\n<li>\n<p>PostgreSQL CDC \u8fde\u63a5\u5668\u652f\u6301\u589e\u91cf\u5feb\u7167\u539f\u7406<\/p>\n<p>PostgreSQL CDC \u8fde\u63a5\u5668\u9700\u8981\u7ed3\u5408 logical decoding[4] \u529f\u80fd\u8bfb\u53d6 PostgreSQL \u4e8b\u52a1\u65e5\u5fd7\u4e2d\u7684\u53d8\u66f4\u6570\u636e\uff0c\u8fd9\u9700\u8981\u542f\u52a8\u4e00\u4e2a\u5728\u6574\u4e2a\u96c6\u7fa4\u4e2d\u552f\u4e00\u7684 Replication Slot\uff0c\u5e76\u5728 output plugin[5] \u7684\u5e2e\u52a9\u4e0b\u5904\u7406\u8fd9\u4e9b\u53d8\u66f4\uff0c\u901a\u8fc7\u8bb0\u5f55\u8bfb\u53d6\u5230\u7684 WAL \u4f4d\u70b9\u6765\u5b9e\u73b0\u589e\u91cf\u9636\u6bb5\u7684\u5207\u6362\u548c\u6545\u969c\u6062\u590d\u3002<\/p>\n<p>\u589e\u91cf\u5feb\u7167\u6846\u67b6\u9664\u4e86\u5728\u589e\u91cf\u9636\u6bb5\u9700\u8981\u8bfb\u53d6\u53d8\u66f4\u6570\u636e\uff0c\u5728\u5168\u91cf\u9636\u6bb5\u5bf9\u6bcf\u4e2a SnapshotSplit \u4e5f\u9700\u8981\u542f\u52a8 Backfill Task \u540c\u6b65\u505a\u5feb\u7167\u65f6\u53d1\u751f\u7684\u53d8\u66f4\u3002\u4e3a\u4e86\u907f\u514d Replication Slot \u51fa\u73b0\u51b2\u7a81\uff0cPostgreSQL CDC \u8fde\u63a5\u5668\u91c7\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5efa\u7acb Slot\u3002\u9996\u5148 \u2018slot.name\u2019 \u914d\u7f6e\u9879\u4e3a\u5fc5\u586b\uff0c\u9700\u8981\u7528\u6237\u6307\u5b9a\uff0c\u8fd9\u91cc\u6307\u5b9a\u7684 slot name \u4f1a\u7528\u5728\u589e\u91cf\u9636\u6bb5\u542f\u52a8\u7684 Slot\uff0c\u5e76\u4e14\u8fd9\u4e2a Slot \u5728\u4f5c\u4e1a\u542f\u52a8\u65f6\u5c31\u4f1a\u521b\u5efa\uff0c\u5728\u4f5c\u4e1a\u505c\u6b62\u540e\u4e5f\u4e0d\u4f1a\u5220\u9664\uff0c\u4ee5\u6b64\u6765\u4fdd\u8bc1\u589e\u91cf\u9636\u6bb5\u8bfb\u5230\u542f\u52a8\u540e\u5b8c\u6574\u7684\u53d8\u66f4\u6570\u636e\uff0c\u5e76\u53ef\u4ee5\u4ece Checkpoint \u91cd\u542f\u3002\u5bf9\u4e8e\u5168\u91cf\u9636\u6bb5\u6bcf\u4e2a Backfill Task \u7684 Slot\uff0c\u4f1a\u4f7f\u7528\u201cslotname_subTaskId\u201d\u7684\u547d\u540d\u98ce\u683c\uff0c\u4e3a\u4e86\u907f\u514d\u51b2\u7a81\u548c\u6d6a\u8d39 Slot \u8d44\u6e90\uff0c\u8fd9\u4e9b Slot \u5c06\u4f1a\u5728\u5168\u91cf\u8bfb\u53d6\u505c\u6b62\u540e\u5220\u9664\u3002<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li>SQL Server CDC\u8fde\u63a5\u5668\u652f\u6301\u589e\u91cf\u5feb\u7167\u539f\u7406<\/li>\n<\/ul>\n<p>SQL Server CDC \u8fde\u63a5\u5668\u901a\u8fc7\u53d8\u66f4\u6570\u636e\u6355\u83b7\u529f\u80fd[6] \u8bfb\u53d6\u6307\u5b9a\u6570\u636e\u5e93\u548c\u8868\u7684\u53d8\u66f4\u6570\u636e\uff0c\u5e76\u5b58\u5230\u4e13\u95e8\u5efa\u7acb\u7684 change table \u4e2d\u3002\u8fd9\u9700\u8981\u5bf9\u6307\u5b9a\u7684\u6570\u636e\u5e93\u548c\u8868\u5f00\u542f CDC \u529f\u80fd\uff0c\u6765\u83b7\u53d6\u884c\u7ea7\u522b\u7684\u53d8\u66f4\u3002\u901a\u8fc7\u8bb0\u5f55\u6570\u636e\u5e93\u65e5\u5fd7\u7684 LSN \uff08Log Sequence Number\uff09\uff0c\u6765\u5b9e\u73b0\u589e\u91cf\u9636\u6bb5\u7684\u5207\u6362\u548c\u6545\u969c\u6062\u590d\u3002<\/p>\n<p>\u81f3\u6b64\uff0cFlink CDC \u652f\u6301\u589e\u91cf\u5feb\u7167\u7b97\u6cd5\u7684\u6570\u636e\u6e90\u4e0d\u65ad\u6269\u5927\uff0c\u5728\u63a5\u4e0b\u6765\u7684\u7248\u672c\u4e2d\uff0c\u793e\u533a\u4e5f\u5728\u89c4\u5212\u8ba9\u66f4\u591a\u7684\u8fde\u63a5\u5668\u5bf9\u63a5\u5230\u589e\u91cf\u5feb\u7167\u6846\u67b6\u4e0a\u3002<\/p>\n<ul>\n<li><strong>\u589e\u91cf\u5feb\u7167\u6846\u67b6\u652f\u6301\u81ea\u52a8\u91ca\u653e\u8d44\u6e90<\/strong><\/li>\n<\/ul>\n<p>Flink CDC \u7684\u589e\u91cf\u5feb\u7167\u6846\u67b6\u6709\u4e24\u4e2a\u4e3b\u8981\u9636\u6bb5\uff1a\u5168\u91cf\u9636\u6bb5\u548c\u589e\u91cf\u9636\u6bb5\u3002\u8fd9\u4e24\u4e2a\u9636\u6bb5\u7684\u5e76\u884c\u5ea6\u5e76\u4e0d\u76f8\u540c\uff0c\u5168\u91cf\u9636\u6bb5\u652f\u6301\u591a\u5e76\u884c\u5ea6\uff0c\u52a0\u5feb\u5927\u91cf\u6570\u636e\u7684\u540c\u6b65\u8fc7\u7a0b\uff0c\u589e\u91cf\u9636\u6bb5\u8bfb\u53d6\u53d8\u66f4\u65e5\u5fd7\uff0c\u9700\u8981\u4f7f\u7528\u5355\u5e76\u53d1\u4fdd\u8bc1\u4e8b\u4ef6\u7684\u987a\u5e8f\u548c\u6b63\u786e\u6027\u3002\u5728\u5168\u91cf\u9636\u6bb5\u8bfb\u53d6\u7ed3\u675f\u540e\uff0c\u7531\u4e8e\u589e\u91cf\u9636\u6bb5\u53ea\u9700\u8981\u4e00\u4e2a\u5e76\u53d1\uff0c\u4f1a\u51fa\u73b0\u5927\u91cf\u7684\u7a7a\u95f2 Reader\uff0c\u6bd4\u8f83\u6d6a\u8d39\u8d44\u6e90\u30022.4 \u7248\u672c\u4f7f\u7528\u589e\u91cf\u5feb\u7167\u8fde\u63a5\u5668\u65f6\uff0c\u652f\u6301\u914d\u7f6e\u6253\u5f00\u81ea\u52a8\u5173\u95ed\u7a7a\u95f2 Reader \u7684\u529f\u80fd\u6765\u5173\u95ed\u8fd9\u4e9b\u7a7a\u95f2 Reader\u3002\u7531\u4e8e\u8fd9\u4e2a\u529f\u80fd\u4f9d\u8d56\u4e8e Flink 1.14 \u4e4b\u540e\u652f\u6301\u7684 Checkpoint on finished Task \u7279\u6027\uff0c\u6240\u4ee5\u53ea\u652f\u6301\u5728 Flink 1.14 \u6216\u66f4\u65b0\u7684 Flink \u7248\u672c\u4e0a\u4f7f\u7528\u3002<\/p>\n<ul>\n<li><strong>MySQL CDC \u8fde\u63a5\u5668\u529f\u80fd\u66f4\u65b0<\/strong><\/li>\n<\/ul>\n<p>\u4f5c\u4e3a\u793e\u533a\u6700\u53d7\u7528\u6237\u5173\u6ce8\u7684 MySQL CDC \u8fde\u63a5\u5668\uff0c2.4 \u7248\u672c\u4e2d\u793e\u533a\u5f15\u5165\u4e86\u4e00\u4e9b\u9ad8\u7ea7\u7279\u6027\uff0c\u5177\u4f53\u5305\u62ec<\/p>\n<ul>\n<li>1 \u652f\u6301\u65e0\u4e3b\u952e\u8868<\/li>\n<\/ul>\n<p>MySQL CDC \u8fde\u63a5\u5668 2.4 \u7248\u672c\u652f\u6301\u4f7f\u7528\u65e0\u4e3b\u952e\u8868\uff0c\u76f8\u6bd4\u4e8e\u6709\u6709\u4e3b\u952e\u7684 MySQL \u8868\uff0c\u65e0\u4e3b\u952e\u8868\u5b58\u5728\u4e00\u4e9b\u4f7f\u7528\u4e0a\u9700\u8981\u989d\u5916\u6ce8\u610f\u7684\u4e8b\u9879\u3002\u65e0\u4e3b\u952e\u8868\u4f7f\u7528\u65f6\u9700\u8981\u901a\u8fc7 \u2018scan.incremental.snapshot.chunk.key-column\u2019 \u914d\u7f6e\u6307\u5b9a\u4e00\u5217\u4f5c\u4e3a\u5206\u7247\u5217\uff0c\u7528\u4e8e\u5c06\u8868\u5206\u4e3a\u591a\u4e2a\u5206\u7247\u8fdb\u884c\u540c\u6b65\uff0c\u5efa\u8bae\u9009\u62e9\u6709\u7d22\u5f15\u7684\u5217\u4f5c\u4e3a\u5206\u7247\u5217\uff0c\u4f7f\u7528\u65e0\u7d22\u5f15\u7684\u5217\u5c06\u4f1a\u5bfc\u81f4\u5168\u91cf\u9636\u6bb5\u591a\u5e76\u53d1\u540c\u6b65\u65f6\u4f7f\u7528\u8868\u9501\u3002\u5176\u6b21\uff0c\u9009\u62e9\u7684\u5206\u7247\u5217\u9700\u8981\u4fdd\u8bc1\u4e0d\u5b58\u5728\u6570\u636e\u7684\u66f4\u65b0\u64cd\u4f5c\uff08\u6bd4\u5982\u4ece 1 \u66f4\u65b0\u5230 2\uff09\uff0c\u5982\u679c\u5b58\u5728\u66f4\u65b0\u64cd\u4f5c\uff0c\u5219\u53ea\u80fd\u4fdd\u8bc1 At-Least-Once \u8bed\u4e49\u3002<\/p>\n<ul>\n<li>2 \u652f\u6301\u65b0\u589e\u8868\u5b9e\u65f6\u4e0d\u65ad\u6d41<\/li>\n<\/ul>\n<p>MySQL CDC \u4e4b\u524d\u5728\u5904\u7406\u65b0\u589e\u8868\u65f6\uff0c\u539f\u6709\u7684\u5b9e\u65f6\u540c\u6b65\u94fe\u8def\u4f1a\u53d1\u751f\u65ad\u6d41\u73b0\u8c61\uff0c\u9700\u8981\u7b49\u5f85\u65b0\u589e\u52a0\u8868\u7684\u5168\u91cf\u8bfb\u53d6\u7ed3\u675f\u540e\uff0c\u624d\u4f1a\u7ee7\u7eed\u8fdb\u884c\u540c\u6b65\uff0c\u4f1a\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u7528\u6237\u9020\u6210\u8f83\u5927\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u65b0\u589e\u52a0\u7684\u8868\u5386\u53f2\u6570\u636e\u6bd4\u8f83\u591a\uff0c\u5b8c\u6210\u65b0\u589e\u8868\u7684\u5168\u91cf\u540c\u6b65\u9700\u8981\u82b1\u8d39 30 \u5206\u949f\uff0c\u90a3\u4e48\u5bf9\u4e8e\u5df2\u7ecf\u5904\u4e8e\u589e\u91cf\u9636\u6bb5\u7684\u8868\uff0c\u5c06\u9700\u8981\u7b49\u5f85 30 \u5206\u949f\u540e\u624d\u53ef\u4ee5\u7ee7\u7eed\u540c\u6b65\u5c5e\u4e8e\u8be5\u8868\u7684\u589e\u91cf\u6570\u636e\u30022.4 \u7248\u672c\u5bf9\u65b0\u589e\u8868\u7684\u5904\u7406\u903b\u8f91\u8fdb\u884c\u8fdb\u4e00\u6b65\u4f18\u5316\uff0c\u786e\u4fdd\u65b0\u589e\u52a0\u7684\u8868\u7684\u5168\u91cf\u9636\u6bb5\u4e0d\u4f1a\u5f71\u54cd\u5df2\u6709\u7684\u5b9e\u65f6\u540c\u6b65\u94fe\u8def\uff0c\u6781\u5927\u5730\u63d0\u5347\u4e86\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<ul>\n<li>3 \u95ee\u9898\u4fee\u590d<\/li>\n<\/ul>\n<p>2.4 \u7248\u672c\u4e2d\uff0cMySQL CDC \u8fde\u63a5\u5668\u5bf9\u793e\u533a\u7528\u6237\u53cd\u9988\u7684\u4f7f\u7528\u95ee\u9898\u8fdb\u884c\u4e86\u4fee\u590d\uff0c\u5982\u6307\u5b9a Binlog \u4f4d\u70b9\u6d88\u8d39\u65e0\u6cd5\u4ece savepoint \u542f\u52a8\uff0c\u6570\u636e\u5e93\u5b58\u5728\u7279\u6b8a\u5b57\u7b26\u65e0\u6cd5\u5904\u7406\uff0c\u5927\u5c0f\u5199\u654f\u611f\u5bfc\u81f4\u7684\u5206\u7247\u9519\u8bef\u95ee\u9898\u7b49\u3002<\/p>\n<h3><strong>3.2 \u5176\u4ed6\u6539\u8fdb<\/strong><\/h3>\n<ul>\n<li>Debezium \u7248\u672c\u4f9d\u8d56\u5347\u7ea7\u5230 1.9.7.Final \u7248\u672c\uff0c\u5f15\u5165\u5bf9\u5e94 Debezium \u7248\u672c\u7684\u65b0\u529f\u80fd\u548c\u4fee\u590d\u3002<\/li>\n<li>Flink CDC 2.4 \u7248\u672c\u517c\u5bb9\u4e86 Flink 1.13 ~ 1.17 \u4e94\u4e2a\u5927\u7248\u672c\uff0c\u6781\u5927\u5730\u964d\u4f4e\u7528\u6237 Connector \u7684\u5347\u7ea7\u548c\u8fd0\u7ef4\u6210\u672c\u3002<\/li>\n<li>OceanBase CDC \u8fde\u63a5\u5668\u652f\u6301 JDBC \u53c2\u6570\u8bbe\u7f6e\uff0c\u652f\u6301\u6307\u5b9a\u9a71\u52a8\uff0c\u5b8c\u5584\u5bf9 Oracle \u6570\u636e\u7c7b\u578b\u7684\u652f\u6301\uff0c\u540c\u65f6\u4fee\u590d\u4e86\u5f02\u5e38\u91cd\u8fde\u603b\u662f\u5931\u8d25\u7b49\u95ee\u9898\u3002<\/li>\n<li>MongoDB CDC \u652f\u6301\u6307\u5b9a\u65f6\u95f4\u6233\u6d88\u8d39\u6570\u636e\uff0c\u652f\u6301 mongodb + srv \u8fde\u63a5\u534f\u8bae\uff0c\u5e76\u4fee\u590d\u5982\u65e0\u6cd5\u89e3\u6790\u5e26\u8fde\u5b57\u7b26\u7684\u5e93\u540d\uff0c&#8217;poll.await.time.ms&#8217; \u914d\u7f6e\u672a\u751f\u6548\uff0c\u89e3\u6790 DDL \u51fa\u73b0\u7a7a\u6307\u9488\u7b49\u95ee\u9898\u3002<\/li>\n<li>Oracle CDC \u4fee\u590d\u4e86\u5168\u91cf\u9636\u6bb5\u5b58\u5728\u7684\u6570\u636e\u6b63\u786e\u6027\u95ee\u9898\u3002<\/li>\n<li>\u6240\u6709 CDC \u8fde\u63a5\u5668\u652f\u6301\u6253\u5370\u914d\u7f6e\u4fe1\u606f\uff0c\u4fbf\u4e8e\u6392\u67e5\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h2><strong>\u56db\u00b7 \u672a\u6765\u89c4\u5212<\/strong><\/h2>\n<p>Flink CDC \u5f00\u6e90\u793e\u533a\u7684\u53d1\u5c55\uff0c\u5f97\u76ca\u4e8e\u5168\u4f53\u8d21\u732e\u8005\u7684\u65e0\u79c1\u8d21\u732e\u548c Maintainer \u6210\u5458\u51fa\u8272\u7684\u793e\u533a\u5de5\u4f5c\uff0c\u66f4\u79bb\u4e0d\u5f00\u5e7f\u5927 Flink CDC \u7528\u6237\u7fa4\u4f53\u7684\u79ef\u6781\u4f7f\u7528\u548c\u53cd\u9988\u62a5\u9519\u3002Flink CDC \u793e\u533a\u5c06\u4f1a\u575a\u6301\u505a\u597d\u5f00\u6e90\u793e\u533a\u7684\u5efa\u8bbe, \u5f53\u524d\u793e\u533a\u6b63\u5728\u89c4\u5212 2.5 \u7248\u672c[7], \u6b22\u8fce\u8d21\u732e\u8005\u548c\u7528\u6237\u79ef\u6781\u53cd\u9988\uff0c\u5728\u63a5\u4e0b\u6765\u7684\u7248\u672c\uff0c\u793e\u533a\u4e3b\u8981\u65b9\u5411\u4f1a\u56f4\u7ed5\u4e0b\u8ff0\u56db\u4e2a\u65b9\u9762\u5c55\u5f00\uff1a<\/p>\n<ul>\n<li>\u4e30\u5bcc\u6570\u636e\u6e90<\/li>\n<\/ul>\n<p>\u652f\u6301\u66f4\u591a\u7684\u6570\u636e\u6e90\uff0c\u5e76\u63a8\u52a8\u589e\u91cf\u5feb\u7167\u6846\u67b6\u5728\u5404\u4e2a CDC \u8fde\u63a5\u5668\u7684\u4f7f\u7528\uff0c\u8ba9\u66f4\u591a\u7684\u6570\u636e\u6e90\u652f\u6301\u65e0\u9501\u8bfb\u53d6\u3001\u5e76\u53d1\u8bfb\u53d6\u3001\u65ad\u70b9\u7eed\u4f20\u7b49\u7279\u6027\u3002<\/p>\n<ul>\n<li>\u4f18\u5316\u589e\u91cf\u5feb\u7167\u6846\u67b6<\/li>\n<\/ul>\n<p>\u5bf9\u589e\u91cf\u5feb\u7167\u6846\u67b6\u63a5\u5165\u4e2d\u9047\u5230\u7684\u95ee\u9898\u8fdb\u884c\u4f18\u5316\uff0c\u5404\u4e2a CDC \u8fde\u63a5\u5668\u5728\u589e\u91cf\u5feb\u7167\u6846\u67b6\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u8fdb\u884c\u63d0\u53d6\u6574\u7406\u3002<\/p>\n<ul>\n<li>\u5b8c\u5584\u9650\u6d41\u4e0e\u76d1\u63a7<\/li>\n<\/ul>\n<p>\u63d0\u4f9b\u9650\u6d41\u529f\u80fd\uff0c\u4ee5\u964d\u4f4e\u5168\u91cf\u9636\u6bb5\u5bf9\u6570\u636e\u5e93\u4ea7\u751f\u7684\u67e5\u8be2\u538b\u529b\u3002\u63d0\u4f9b\u66f4\u4e30\u5bcc\u7684\u76d1\u63a7\u6307\u6807\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u4efb\u52a1\u8fdb\u5ea6\u76f8\u5173\u6307\u6807\u76d1\u63a7\u4efb\u52a1\u72b6\u6001\u3002<\/p>\n<ul>\n<li>\u66f4\u4e30\u5bcc\u7684\u4f7f\u7528\u65b9\u5f0f<\/li>\n<\/ul>\n<p>\u652f\u6301 At least once \u8bed\u4e49\uff0c\u652f\u6301 Snapshot only \u7684\u542f\u52a8\u6a21\u5f0f\u7b49\uff0c\u53ef\u4ee5\u4e3a\u4f7f\u7528\u8005\u63d0\u4f9b\u66f4\u591a\u7684\u573a\u666f\u5e94\u7528\u3002<\/p>\n<ul>\n<li>\u6536\u655b\u652f\u6301\u7684 Flink \u7248\u672c<\/li>\n<\/ul>\n<p>\u968f\u7740 Flink \u7248\u672c\u9010\u6e10\u589e\u591a\uff0cCDC \u4e3a\u517c\u5bb9\u591a\u4e2aFlink\u7248\u672c\u7684\u7ef4\u62a4\u538b\u529b\u4e5f\u9010\u6e10\u589e\u52a0\u3002\u53c2\u8003\u76ee\u524d Flink \u8fde\u63a5\u5668\u7684\u89c4\u5219[8]\uff0c\u5728\u540e\u7eed\u7248\u672c\u4e2d\uff0cCDC \u8fde\u63a5\u5668\u5c06\u4f1a\u8003\u8651\u4ec5\u652f\u6301 Flink \u6700\u65b0\u7684 3-4 \u4e2a\u7248\u672c\u3002<\/p>\n<h2>\u81f4\u8c22\uff1a<\/h2>\n<p>\u611f\u8c22\u793e\u533a\u7684 Maintainer \u6210\u5458\u962e\u822a\uff0c \u5f90\u699c\u6c5f\uff0c\u5b59\u5bb6\u5b9d\uff0c\u9f9a\u4e2d\u5f3a\uff0c\u4efb\u5e86\u76db\u4e3a\u8be5\u7248\u672c\u6240\u505a\u7684\u793e\u533a\u548c\u53d1\u7248\u5de5\u4f5c\u3002\u611f\u8c22\u6240\u6709\u4e3a\u8be5\u7248\u672c\u505a\u51fa\u7a81\u51fa\u8d21\u732e\u7684 Tigran Manasyan\uff0c\u5ddd\u7c89\uff0cXiao Meng\uff0cYaroslav Tkachenko, Simonas Gelazevicius, gintarasm \u7b49 32 \u4f4d\u793e\u533a\u8d21\u732e\u8005\u3002<\/p>\n<h2>\u8d21\u732e\u8005\u5217\u8868 (\u6309\u5b57\u6bcd\u6392\u5e8f)\uff1a<\/h2>\n<p>Hang Ruan\uff0cHe Wang\uff0cJasonLee\uff0cJiabao Sun\uff0cJingsong Lee\uff0cXiao Meng\uff0cLeonard Xu\uff0cQingsheng Ren\uff0cRobert Metzger\uff0cSergey Nuyanzin\uff0cSimonas Gelazevicius\uff0cYaroslav Tkachenko\uff0cTigran Manasyan\uff0cTyrantlucifer\uff0cZhongLinLeo\uff0cbb chen\uff0cehui\uff0cemhui\uff0cgintarasm\uff0cgongzhongqiang\uff0cliangyaohui97\uff0clin.zl\uff0cmolsionmo\uff0cskylines\uff0ctison\uff0cwallkop\uff0cwangxiaojing\uff0cwuzhenhua\uff0cxixingya\uff0czhaomin\uff0czhuyuan03\uff0c\u542b\u98ce<\/p>\n<h2>\u9644\u5f55<\/h2>\n<p>[1] <a href=\"https:\/\/link.segmentfault.com\/?enc=gjPRTlx%2FI3bU1sKtQ3cJWg%3D%3D.I3nfJy59LiC8dP38Ajed0EpJWa4YNpjS1aiEAAx%2B6BCWJTBqcUrGcpqT94AfRjRDoMIb2OYTYV3r4Lk%2F5SfZ1g%3D%3D\" rel=\"nofollow\">https:\/\/github.com\/ververica\/flink-cdc-connectors<\/a><\/p>\n<p>[2] <a href=\"https:\/\/link.segmentfault.com\/?enc=2ikW2hlNtHjyJGWxfc4HWw%3D%3D.yT5fDYCaOHG%2BXmnGEPvIBUW1WMCN9U7TCYCbrOFCoqYVmXuQUywwx7BhJCxh5LJCAHtPmBBSISTNSUPkdFIIMA%3D%3D\" rel=\"nofollow\">https:\/\/ververica.github.io\/flink-cdc-connectors<\/a><\/p>\n<p>[3] <a href=\"https:\/\/link.segmentfault.com\/?enc=9FN%2F91yyisE6FFjrdnCBbg%3D%3D.V9bcsYOJzsPCmQd3agFq%2Fy7%2BNRuASoeSRsaemcv%2Fc6w%3D\" rel=\"nofollow\">https:\/\/vitess.io\/<\/a><\/p>\n<p>[4] <a href=\"https:\/\/link.segmentfault.com\/?enc=yxhgyC0201oJHkt3Eah7CQ%3D%3D.9yV31eliXEjOCB%2FdzfP%2FgPvoXKdhaa9bJcf83mTP7aQzQhIG1cbz36ja5PFvmOqKUo%2BYnZ2qKSW0wC%2Flnt9p7bs5DpFaxQOfRA2HCJEi1bc%3D\" rel=\"nofollow\">https:\/\/www.postgresql.org\/docs\/current\/logicaldecoding-expla&#8230;<\/a><\/p>\n<p>[5] <a href=\"https:\/\/link.segmentfault.com\/?enc=CcRxYauGyboBrAbbGsTmxg%3D%3D.JqN0o8Aacd3aQWrueAiQR3IjT%2FPSQbqzf0hK429ir1ID2nYfXAlnxGLMWW63pSSvytBorwIGrYnKSbe8Bwy3PWAzu4muy%2FgzVIUF5wK%2BX%2BY%3D\" rel=\"nofollow\">https:\/\/www.postgresql.org\/docs\/current\/logicaldecoding-outpu&#8230;<\/a><\/p>\n<p>[6] <a href=\"https:\/\/link.segmentfault.com\/?enc=lKk8pZZkMxcigmVkG3797g%3D%3D.UdGSJxtMUBka7VWt6m2G%2Bg2pC6Y9GBlvcWzUNmufstc6FsnUSb1b6BrwYqnmAn0n9v4JJaK%2F29PNboPFVAQmFapJfBnxHRxd6QAZbuBS2ZAfGbOuL%2FezttkGMkba75CMxXs1Bzv5CabU7Y9LzVR%2BC6K0GCMbHur28RcYy1WGLSCOzS4dqVE1SuxuLEp4pHxc\" rel=\"nofollow\">https:\/\/learn.microsoft.com\/en-us\/sql\/relational-databases\/tr&#8230;<\/a><\/p>\n<p>[7] <a href=\"https:\/\/link.segmentfault.com\/?enc=ast%2FZP6NY4ogAXnTzux76g%3D%3D.4YcMcKlNCxqL8L%2FD6I91pk5VEC6BnLZDWuLqoRHsS8lTQe34JCKFGw3vAs8qGzFmdhr5IC%2FZVPTGh1QP06lXHw%3D%3D\" rel=\"nofollow\">https:\/\/github.com\/ververica\/flink-cdc-connectors\/issues\/2239<\/a><\/p>\n<p>[8]<a href=\"https:\/\/link.segmentfault.com\/?enc=ib4FmRFAMqATQ9BGeaZOMQ%3D%3D.LpnTYOnhU7Ex%2BMBjjCnJqloIaKeGofYTbGjQ70IpH8ZBGomy9RHy8hpWaEfVEcM1CFGTnLPASholmRrpWc11%2BaSlYD5y3LGMflCmf6e9ait1FgApucb2G8BQ4ruyiDT0D7pa5COkb%2Fwh6WIc12fAzMJrLjsZtsKAZfQB38DFU3OP2vQrSOGQQwviOK%2BCryKc\" rel=\"nofollow\">https:\/\/cwiki.apache.org\/confluence\/display\/FLINK\/Externalize&#8230;<\/a><\/p>\n<h2>\u6d3b\u52a8\u9884\u544a\uff5c6\u670829 \u65e5 Flink CDC 2.4 \u65b0\u7248\u672c\u53d1\u5e03\uff0c\u4e13\u5bb6\u5728\u7ebf\u89e3\u8bfb<\/h2>\n<h3>\u6d3b\u52a8\u8be6\u60c5<\/h3>\n<p><strong>\u65f6\u95f4\uff1a<\/strong>6\u670829 \u65e5 19:00<\/p>\n<p><strong>\u76f4\u64ad\u89c2\u770b\u94fe\u63a5\uff1a<\/strong><a href=\"https:\/\/link.segmentfault.com\/?enc=dIfbFLT4yLf3Q4nfILIZ0w%3D%3D.IG5bntg6MBTMCgJBowmjnyEsN3wAs2yMItb4bDzYbEoBynpUvCCWqivMNyIz%2BcwN\" rel=\"nofollow\">https:\/\/gdcop.h5.xeknow.com\/sl\/8T3ku<\/a><\/p>\n<p><strong>\u70b9\u51fb\u4e0b\u65b9\u56fe\u7247\u626b\u7801\u76f4\u8fbe\u76f4\u64ad\u95f4\uff1a<\/strong><\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043953922\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><strong>\u89c2\u770b\u76f4\u64ad\u7684\u5c0f\u4f19\u4f34\u4eec\u8fd8\u80fd\u4e00\u8d77\u52a0\u5165\u5230\u201c\u7b54\u7591\u73af\u8282\u4e2d\u201d\u8ddf\u5927\u5496\u5728\u7ebf\u4ea4\u6d41\u54e6\uff01<\/strong><\/p>\n<p>\u300c\u76f4\u64ad\u8fc7\u7a0b\u4e2d\uff0c\u540c\u5b66\u4eec\u53ef\u4ee5\u5728\u8bc4\u8bba\u533a\u8e0a\u8dc3\u63d0\u95ee\uff0c\u8bb2\u5e08\u5c06\u5728\u5206\u4eab\u7ed3\u675f\u540e\u7edf\u4e00\u89e3\u7b54\u3002\u5206\u4eab\u7ed3\u675f\u540e\u6709 10 \u5206\u949f\u7684\u7b54\u7591\u4e92\u52a8\u73af\u8282\uff01\u300d<\/p>\n<h4>\u4e86\u89e3\u66f4\u591a Flink CDC \u76f8\u5173\u6280\u672f\u95ee\u9898\uff0c\u53ef\u626b\u7801\u52a0\u5165\u793e\u533a\u9489\u9489\u4ea4\u6d41\u7fa4\uff5e<\/h4>\n<p>&lt;p style=&quot;text-align:center&quot;&gt;&lt;img src=&quot;https:\/\/img.alicdn.com\/imgextra\/i1\/O1CN01UkstMC1b5f1VpCfgh_!!6000000003414-0-tps-1170-1530.jpg&quot; alt=&quot;img&quot; style=&quot;zoom:30%;&quot; \/&gt;&lt;\/p&gt;<\/p>\n<hr>\n<p>\u4e3a\u8fdb\u4e00\u6b65\u5e2e\u52a9\u5f00\u53d1\u8005\u5b66\u4e60\u4f7f\u7528 Flink\uff0cApache Flink \u4e2d\u6587\u793e\u533a\u8fd1\u671f\u53d1\u8d77 Flink-Learning \u5b9e\u6218\u8425\u9879\u76ee\u3002\u672c\u6b21\u5b9e\u6218\u8425\u901a\u8fc7\u771f\u5b9e\u6709\u8da3\u7684\u5b9e\u6218\u573a\u666f\u5e2e\u52a9\u5f00\u53d1\u8005\u5b9e\u64cd\u4f53\u9a8c Flink\uff0c\u8bfe\u7a0b\u5305\u62ec\u5b9e\u65f6\u6570\u636e\u63a5\u5165\u3001\u5b9e\u65f6\u6570\u636e\u5206\u6790\u3001\u5b9e\u65f6\u6570\u636e\u5e94\u7528\u7684\u573a\u666f\u5b9e\u3002\u5e76\u7ed3\u5408\u5c0f\u677e\u9f20\u52a9\u6559\u6a21\u5f0f\uff0c\u5168\u65b9\u4f4d\u5e2e\u52a9\u5165\u8425\u5f00\u53d1\u8005\u8f7b\u677e\u73a9\u8f6c Flink\uff0c<strong>\u70b9\u51fb\u4e0b\u65b9\u56fe\u7247\u626b\u7801\u5373\u523b\u5165\u8425<\/strong>\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043953923\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/link.segmentfault.com\/?enc=FgJXPyEjXOqn5N9NWOhlzQ%3D%3D.w3%2BUB5PPpGshDw8C%2BTrwTX1j7M2EEc3IDIJj3mvJ6%2BQiX9e9mE1hWuLcMwi%2BUBRz%2BebfUQQvJKCvymfCZYk0jyi8MeF3gCHoqL4ycX8c1IWbOVv7xYHb3cXkxFVzIsZVQ8p9gZ9zgDIFaRbfynLk27uXQInEEzQODWZnp2CZ4vpmJJMhzHoPRudizHBTId5a\" rel=\"nofollow\">\u70b9\u51fb\u76f4\u8fbe\u76f4\u64ad\u95f4<\/a><\/p>\n<hr>\n<p>\u66f4\u591a\u5185\u5bb9<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043814703\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u6d3b\u52a8\u63a8\u8350\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\uff1a0 \u5143\u8bd5\u7528\u00a0\u5b9e\u65f6\u8ba1\u7b97 Flink \u7248\uff085000CU*\u5c0f\u65f6\uff0c3 \u4e2a\u6708\u5185\uff09\u4e86\u89e3\u6d3b\u52a8\u8be6\u60c5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=LosFxmT5JkjYrCHgXWnnLQ%3D%3D.AQfeUulC2yRtErdWtYUJrtsGXxqLHgilEh492gBx2bq%2Fvb9lt2YvYU%2B%2FXGtczp%2FH\" rel=\"nofollow\">https:\/\/click.aliyun.com\/m\/1000372333\/<\/a><br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc8sP8\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000043953913\">https:\/\/segmentfault.com\/a\/1190000043953913<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001Flink CDC \u7b80\u4ecb Flink CDC[1] \u662f\u57fa\u4e8e\u6570\u636e\u5e93\u7684\u65e5\u5fd7 CDC \u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u5168\u589e\u91cf\u4e00\u4f53\u5316\u8bfb [&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-10008019","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\/10008019","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=10008019"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008019\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}