实时计算 Flink版cdc同步的相关内容

问答 2023-12-05 来自：开发者社区

Flink CDC 支持mysql同步到vertica吗？

Flink CDC 支持mysql同步到vertica吗？https://github.com/ververica/flink-cdc-connectors/issues/2725

问答 2023-12-05 来自：开发者社区

Flink CDC中flink sql 多表(大表)同步到单表有什么好方案吗？

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 2023-12-04 来自：开发者社区

Flink CDC最近的任务经常出现这个错误导致cdc同步失败，有啥措施能减少这个情况的发生么？

Flink CDC最近的任务经常出现这个错误导致cdc同步失败，多次重启也不行，只能重新启动任务从最新的消费，缺的数据需要手动补，有人也有遇到这个情况，有啥措施能减少这个情况的发生么？Caused by: com.github.shyiko.mysql.binlog.event.deserialization.MissingTableMapEventException: No TableMap....

问答 2023-12-04 来自：开发者社区

flink CDC 增量同步的问题第一个job 同步有较高的延迟，延迟时间 5~40 分钟不等？

flink CDC 增量同步的问题一个job运行之后，刚开始同步很快，几乎秒级，再提交一个job 之后，第一个job 同步有较高的延迟，延迟时间 5~40 分钟不等？

问答 2023-12-03 来自：开发者社区

Flink CDC中flinksql程序能同时同步好几个表吗，或者直接同步整个数据库下的表？

问答 2023-12-03 来自：开发者社区

Flink CDC主从库，同步从库延迟怎么定位呢？

Flink CDC主从库，同步从库延迟怎么定位呢。从库能查到最新的，cdc后的数据延迟两三个小时？

问答 2023-12-03 来自：开发者社区

Flink CDC现在经过一天多同步，已经进入增量阶段，为啥还会失败？

Flink CDC我感觉奇怪的地方是在数据全量同步阶段可以解释为数据量大产生背压而出现任务失败。现在经过一天多同步，已经进入增量阶段，为啥还会失败？

问答 2023-12-03 来自：开发者社区

Flink CDC中mysql cdc ，整库同步，加载历史数据多表之间时串行的吗？

Flink CDC中mysql cdc ，整库同步，加载历史数据多表之间时串行的吗？增加并行度貌似并没有起效果？

问答 2023-12-03 来自：开发者社区

使用flink cdc 同步到100W就没不动了，slot还在占用中，请问这是怎么问题呢？

使用flink cdc datastream postgresql 中初始化获取全量数据，总共700W数据，同步到100W就没不动了，slot还在占用中，请问这是怎么问题呢？

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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