实时计算 Flink版cdc源表的相关内容

问答 2023-11-07 来自：开发者社区

flink cdc delete主键删除源表，目标表未删除数据问题

flink cdc delete源表，目标表未删除，如下：INSERT INTO sink_table (id,device_id,name,device_type,device_name,gateway_serial_num,points_model_id,device_uniq_code,etl_time)SELECTt1.id,t1.device_id,t2.device_type,t2.....

问答 2023-11-06 来自：开发者社区

flink cdc delete源表，目标表未删除

flink cdc delete源表，目标表未删除，如下：INSERT INTO sink_table ( id, device_id, name, device_type, device_name, gateway_serial_num, points_model_id, device_uniq_code, etl_time)SELECT ...

问答 2023-10-31 来自：开发者社区

Flink CDC在一个Job里，如果有多个源表，有什么办法公用一个server-id不？

Flink CDC在一个Job里，如果有多个源表，有什么办法公用一个server-id不。一个SQL有多个源表，会建立多个binlog Dump....多了会吧MySQL搞死？

问答 2023-10-31 来自：开发者社区

Flink CDC如果源表有数据新增或修改时，新增或修改的数据不会同步有没有解决办法？

Flink CDC中pgsql在全量同步阶段，如果源表有数据新增或修改时，新增或修改的数据不会同步有没有解决办法？

文章 2023-10-25 来自：开发者社区

对于Flink CDC，当源表的数据被删除后，可以通过以下方法在结果表中同步删除

对于Flink CDC，当源表的数据被删除后，可以通过以下方法在结果表中同步删除：使用DELETE语句：在Flink SQL中，可以直接使用DELETE语句从结果表中删除数据。例如： DELETE FROM result_table WHERE id IN (SELECT id FROM source_tabl...

问答 2023-10-18 来自：开发者社区

Flink CDC 源表数据删了。结果表有什么办法也同步删除？

Flink CDC 源表数据删了。结果表有什么办法也同步删除？用的Flink SQL来执行INSERT INTO ====

问答 2023-09-06 来自：开发者社区

Flink CDC尝试使用维表join，如果是源表数据变更，怎么解决维表数据变化也输出结果的呢？

Flink CDC尝试使用维表join，如果是源表数据变更，可以输出聚合数据，如果是维表数据变更就没有数据输出了，你们是怎么解决维表数据变化也输出结果的呢？

问答 2023-07-26 来自：开发者社区

flink sql任务有三个mysql cdc 源表通过left join关联写入目标表，没更新？

flink sql任务有三个mysql cdc 源表通过left join关联写入目标表。过了半天之后，更新源表中的记录，发现目标表没更新。这是flink SQL不支持吗，还是要做什么特殊设置，或者使用什么语法？就是更新了where条件对应的记录，另外，大表join，是如何做实时记录匹配的，应该是需要流内存拦截吧，不然怎么做到实时匹配呢？假如关联的两张表的记录一个在最开始就来了，另一个迟了很久才....

问答 2023-07-26 来自：开发者社区

Flink CDC中这种cdc全量采集的时候监控源表这个反压百分100，是因为我的MySQL太慢了？

Flink CDC中这种cdc全量采集的时候，监控源表这个反压百分100，是因为我的MySQL太慢了吗？

问答 2023-07-13 来自：开发者社区

大佬，Flink CDC这个问题遇到过吗，源表1亿条数据，全量数据阶段卡住了感觉？

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更新时间 2024-08-13 09:10:41

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

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