实时计算 Flink版cdc source 的相关内容

问答 2024-01-01 来自：开发者社区

在一个Flink CDC程序里面，对mysql中多张表分别建立source，这样有什么区别吗？

在一个Flink CDC程序里面，对mysql中多张表分别建立source，再写入对应的sink；与使用dblist，tablelist建立一个source，写入多个对应的sink；这样有什么区别吗？

问答 2023-12-31 来自：开发者社区

Flink CDC中报线程池问题我把source表的调到100 也是数据库限制了吗？

问答 2023-12-31 来自：开发者社区

Flink CDC以前旧版本cdc2.2.1默认一个source表下如果不配置线程池，默认是多少个？

Flink CDC以前旧版本 cdc2.2.1 默认一个source表下如果不配置线程池，默认是多少个，现在如果很多source表，每个最低给1个会不会产生大量的连接呢？

问答 2023-12-24 来自：开发者社区

Flink CDC没报错，但数据不同步，修改source表数据，sink表没变，为什么？

Flink CDC通过flinksql的方式 flink 1.14.6 cdc 2.4.2 测试souce表以下两种增量同步，都没成功过，'scan.startup.mode' = 'specific-offset','scan.startup.specific-offset.file' = 'mysql-bin.000268','scan.startup.specific-offse...

问答 2023-12-24 来自：开发者社区

Flink CDC中source、sink对flink来说对一个算子确实没有内外部，同步了多少的量？

Flink CDC中source、sink对flink来说对一个算子确实没有内外部，我想了解下能不能获取外部系统-一个算子的source有多少条数呢，比如mysqlcdc同步mysql的数据，同步了多少的量？

问答 2023-12-20 来自：开发者社区

Flink CDC中transform里面的source支持多张表吗?

问答 2023-12-19 来自：开发者社区

Flink CDC在官网看CDC 2.4版本的文档，在创建Source的时候，部分参数找不到？

Flink CDC在官网看CDC 2.4版本的文档，在创建Source的时候，部分参数找不到。我自己的IDEA截图？

问答 2023-12-19 来自：开发者社区

Flink CDC增量source 并行度1，导致的拉取数据处理不过来，这个有啥优化方案吗？

Flink CDC增量source 并行度1，导致的拉取数据处理不过来，flink下游的数据量明显低于mysql数据量，造成延迟。这个有啥优化方案吗？

问答 2023-12-19 来自：开发者社区

Flink CDC增量source 并行度1，导致消费不到binlog，这个有没好的优化方案？

Flink CDC增量source 并行度1，导致消费不到binlog，导致延迟。这个有没好的优化方案？

问答 2023-12-19 来自：开发者社区

Flink CDC单表发现修改并行度后source和sink端都是1，是只能为1还是可以修改？

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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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