如题，我是新手小白一个。同步的这个表很大，大概需要4小时时间才能导出所有数据。我在启动一个flink任务时，使用的是1.20版本,对应的flink-sql-connector-oracle-cdc-3.3.0.jar。同步命令如下，默认会先全量同步，对checkpoint上锁，导出这个表的全部数据后创建快照，释放checkpoint锁，接着自动进入增量同步模式：bin/flink run \ .....

问答 2024-08-18 来自：开发者社区

Flink CDC 读取mysq出现问题从检查点重启这个flinkcdc任务也不行，如何解决问题？

Flink CDC 读取mysql，出现这个题后，从检查点重启这个flinkcdc任务也不行，请问下可以如何解决这个问题？

文章 2024-07-16 来自：开发者社区

实时计算 Flink版产品使用问题之从检查点重启任务，怎么在YAML配置文件中添加检查点的路径

问题一：使用flink native k8s的nodeport模式，能指定暴露的port吗？使用flink native k8s的nodeport模式，能指定暴露的port吗？参考答案：在Flink中，通过使用NodePort模式暴露服务，可以指定要暴露的端口。NodePort模式允许你将Flink服务从集群内部访问扩展到集群外部，通过为每个节点...

问答 2024-01-24 来自：开发者社区

Flink CDC如果要从检查点重启任务,怎么在yaml中加上检查点的路径呢,有什么文档可以参考吗？

在Flink CDC中要从检查点重启任务，如何在YAML配置文件中添加检查点的路径？是否有相关文档或方法可以参考来重启Flink CDC 3.0的任务？具体怎样使用命令bin/flink run -s进行重启，应该指定哪个JAR包？

问答 2023-12-05 来自：开发者社区

Flink CDC 无法从检查点处恢复pg同步任务，而是从头对pg数据库又消费了一遍？

Flink CDC 1.13.2、flinkcdc 2.2.1、postgresql 13.82.问题：使用cdc对pg做数据同步时checkpoint可以正常触发保存到hdfs，当任务取消后再从checkpoint进行任务恢复时，无法从检查点处恢复pg同步任务，而是从头对pg数据库又消费了一遍？

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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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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