实时计算 Flink版cdc数据的相关内容

问答 2024-01-18 来自：开发者社区

Flink CDC我使用cdc从oracle同步数据到doris，数据全部加载到内存后，报错怎么办？

Flink CDC里我使用cdc从oracle同步数据到doris，这边将数据全部加载到内存后，报错如下：2024-01-09 15:11:00,825 WARN org.apache.flink.runtime.taskmanager.Task [] - Sink sink-doris.testdb.COMPINTRODUCTION (1/1)#0 (c...

问答 2024-01-12 来自：开发者社区

Flink CDC全量和增量同步数据如何保证数据的一致性

Flink CDC全量和增量同步数据如何保证数据的一致性，不丢失和不重复读取？全量和增量是如何衔接的？

问答 2024-01-09 来自：开发者社区

Flink CDC oracle cdc只能采集到最后一条数据，有没有遇到过的?

Flink CDC oracle cdc只能采集到最后一条数据，有没有大佬遇到过的?

问答 2024-01-09 来自：开发者社区

请问下，flink cdc sql方式，当一条数据更新时，结果会输出1条数据还是2条数据？

请问下，flink cdc sql方式，当一条数据更新时，结果会输出1条数据(跟新后) 还是2条数据(更新前、更新后)？

问答 2024-01-09 来自：开发者社区

Flink CDC同步的时候数据密码会定期变化，这个有什么办法解决没？

问答 2024-01-09 来自：开发者社区

各位flink cdc 同步进hudi的数据，可以用spark 改吗？

各位大哥flink cdc 同步进hudi的数据，可以用spark 改吗？

问答 2024-01-09 来自：开发者社区

用flink cdc取到的数据是这样的，如何去加工成需要的样式？

问答 2024-01-09 来自：开发者社区

Flink CDC首次全量同步几百万数据，状态后端增量方式的rocksdb，正常的吗？

Flink CDC首次全量同步几百万数据，状态后端增量方式的rocksdb，目前Checkpointed Data Size 基本接近Full Checkpoint Data Size大小，正常的吗？ck耗时也很长，请问可以从哪些方面优化优化？

问答 2024-01-09 来自：开发者社区

一样的代码，把Flink cdc从2.2升级到2.4.2同步不到pgsql的数据是什么原因?

一样的代码，把Flink cdc从2.2升级到2.4.2同步不到pgsql的数据是什么原因?也没有任何异常

问答 2024-01-09 来自：开发者社区

Flink CDC中读取mongodb cdc，所有配置依赖等信息都正确，任务不报错但是读不到数据

经测试，相同连接配置和依赖的情况下，读取mongodb同一库下面不同集合，集合命名是'abc','abc_def'这种的读取没有问题。但是集合命名是以点分隔的如：'abc.def.gh'，数据无法读取，这种特殊命名集合应该如何处理才能读到数据~

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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。

立即开通

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实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优