实时计算 Flink版cdc同步的相关内容

问答 2023-08-09 来自：开发者社区

Flink CDC中sqlserver同步过程中，先全量然后增量，会出现直接暂停的现象，什么原因？

"Flink CDC中sqlserver同步过程中，先全量然后增量，会出现直接暂停的现象，我看代码似乎是触发了增量同步，然而实际上表并没有任何数据改动，如果数据库其他cdc表没有变动不会出现这个问题，实际上全量没有完全，在方法里面出不来了，什么原因？版本2.4.1。"

问答 2023-08-09 来自：开发者社区

Flink CDC中oracle 2.4.1 没法没法同步数据是什么原因呢？

"Flink CDC中oracle 2.4.1 没法没法同步数据是什么原因呢？"

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 2023-08-09 来自：开发者社区

Flink CDC中这个如何解决？cdc同步到hudi再同步到hive查询时间戳类型字段报错。

"Flink CDC中这个如何解决？cdc 同步到hudi再同步到hive,hive查询时间戳类型字段报错java.lang.IllegalArgumentException: Timestamp format must be yyyy-mm-dd hh:mm:ss[.fffffffff] at java.sql.Timestamp.valueOf(Timestamp.java:237) at ....

问答 2023-08-09 来自：开发者社区

Flink CDC中同样的代码在cdc 2.4 打印这些日志，无法同步数据什么原因？

Flink CDC中同样的代码在cdc 2.4 打印这些日志，无法同步数据在cdc 2.3 能打印全量数据不嫩怪打印增量，开了checkpointOracle版本是11.2.0.1Flink版本是1.14.6CDC 2.4 版本Oracle 这是啥问题啊？

问答 2023-08-09 来自：开发者社区

Flink CDC中同一个sql同步到mysql少数据，同步到 es 没有问题，什么原因？

"Flink CDC中同一个sql 同步到mysql 少数据，同步到 es 没有问题，是不是同步到mysql的时候需要做什么特殊处理，同步的sql :SET 'pipeline.name' = 'batch_order_statistics_job';SET 'table.exec.resource.default-parallelism'= '2';SET 'sql-client.execu....

问答 2023-08-09 来自：开发者社区

flink cdc 按照字段分区同步写入，为啥那么占用资源的？

问答 2023-08-09 来自：开发者社区

Flink CDC 2.4 flink 14.6Oracle 不能正常同步数据，怎么解决？

问答 2023-08-09 来自：开发者社区

Flink CDC中2.4.1,同步全库，中途mysql里加了表，cdc没有捕获到，什么原因？

Flink CDC中2.4.1,同步全库，中途mysql里加了表，cdc没有捕获到，什么原因？加了数据没动静。

问答 2023-08-09 来自：开发者社区

Flink CDC中cdc 2.4 flink 14.6同步Oracle的时候这是咋回事？

"Flink CDC中cdc 2.4 flink 14.6同步Oracle的时候这是咋回事？file:///C:/Users/Administrator/AppData/Roaming/DingTalk/227792554_v2/resource_cache/6f/6fd934f8d0b4fc0cd0cb3c082392ef48.png不能正常跑，跑一会儿就异常了。"

问答 2023-08-09 来自：开发者社区

Flink CDC中dinky 整库同步pg到hudi，知道这是什么原因？

问题1:Flink CDC中dinky 整库同步pg到hudi，知道这是什么原因？Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.apache.hudi.configuration.FlinkOptions问题2：pg整库同步到hudi并同步到hive网上下载的包hudi-flink1.13-bu....

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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