实时计算 Flink版cdc同步的相关内容

问答 2023-07-26 来自：开发者社区

Flink CDC中oracle cdc支持带我分区表的数据同步吗？主要是同步带有分区表的数据会报错

Flink CDC中oracle cdc支持带我分区表的数据同步吗？主要是同步带有分区表的数据会报topic有问题。

问答 2023-07-26 来自：开发者社区

Flink CDC中整库同步的目标端是哪里呀？

Flink CDC 实现企业级实时数据同步

传统的数据集成通常由全量和增量同步两套系统构成，在全量同步完成后，还需要进一步将增量表和全量表进行合并操作，这种架构的组件构成较为复杂，系统维护困难。本方案提供 Flink CDC 技术实现了统一的增量和全量数据的实时集成。

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问答 2023-07-26 来自：开发者社区

Flink CDC有没有办法只同步全量一次，不读binlog？

问答 2023-07-26 来自：开发者社区

Flink CDC中oracle-cdc 2。3同步日期带时分秒的时候，有这个错呀？

Flink CDC中oracle-cdc 2。3同步日期带时分秒的时候，有这个错呀？java.time.DateTimeException: Invalid value for EpochDay (valid values -365243219162 - 365241780471): 1681434000000 at java.base/java.time.temporal.ValueRange....

问答 2023-07-26 来自：开发者社区

Flink CDC中在用 flink table/sql 的方式同步oracle表可以建多个映射表？

Flink CDC中在用 flink table/sql 的方式同步oracle表。可以建多个映射表，然后再union成一个汇总数据。同步到 upsert-kafka里吗？

问答 2023-07-26 来自：开发者社区

Flink CDC中全量同步过程中，checkpoint创建不了什么原因？

Flink CDC中全量同步过程中，checkpoint创建不了，全量同步一直checkpoint失败，我怀疑是存量同步的时候存在被压导致checkpoint失败。

问答 2023-07-26 来自：开发者社区

Flink CDC中全量同步中途失败了，怎么恢复？

问答 2023-07-26 来自：开发者社区

Flink CDC中dinky整库同步到kafka，datetime类型变成毫秒数，怎么解决？

问题1：Flink CDC中dinky整库同步到kafka，datetime类型变成毫秒数，怎么解决？问题2：datastream api 自定义时间转换器就可以转，sql方式应该没有方式可以转吧？

问答 2023-07-25 来自：开发者社区

flink cdc 同步polar db 数据，有办法跳过全量拉取的环节？

flink cdc 同步polar db 数据，有办法跳过全量拉取的环节？，尝试同步了一下，dba反馈IO偏高。

问答 2023-07-24 来自：开发者社区

Flink CDC中oracle cdc在全量同步的过程中有修改操作，发现修改的数据会丢失怎么解决？

Flink CDC中oracle cdc在全量同步的过程中有修改操作，发现修改的数据会丢失啊，全量阶段完成后再次修改就可以获取到，但是之前的丢了，怎么解决？

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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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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