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本文为您介绍如何使用DataStream连接器，即通过DataStream的方式读写数据。

Flink CDC 里整库同步的时候要排除表需要怎么配置？我设置debezium属性没有效果怎么办？

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Flink CDC设置完这个属性针对ORACLE 11G的分区表还是无法读取等会后报空指针异常？

Flink CDC昨天我设置完这个属性针对ORACLE 11G的分区表还是无法读取等会后报空指针异常？

Flink CDC设置了没有生效，是还需要再表设置什么属性吗？

Flink CDC中includeSchemaChanges = true 设置了没有生效，是还需要再表设置什么属性吗？Caused by: org.postgresql.util.PSQLException: ERROR: could not access file "decoderbufs": ...

有用Flink CDC2.4连sqlserver成功的么？不能设置schema属性了'schema-

有用Flink CDC2.4连sqlserver成功的么？不能设置schema属性了'schema-name' = 'dbo',去掉了这个属性，虽然没有报错了，但是同步不到数据

Flink CDC中oracle cdc 设置这个属性不生效呢，不会读取历史数据。scan.？

Flink CDC中oracle cdc 设置这个属性不生效呢，不会读取历史数据。scan.startup.mode =inital？不加也没用，历史的数据也不读

flink检查点的设置，同时允许最大检查点数量和相邻两检查点最小时间间隔这两个属性可以一起设置吗？

flink关于检查点的设置，同时允许最大检查点数量（setMaxConcurrentCheckpoints(1)）和相邻两检查点最小时间间隔（setMinPauseBetweenCheckpoints(1000)）这两个属性可以一起设置吗？是不是设置了“相邻两检查点最小时间间隔”，这个“最大检查点数...

Flink：如何通过flink代码设置任务管理器属性

我收到错误“引起：java.io.IOException：网络缓冲区数量不足：需要30个，但只有25个可用。网络缓冲区总数目前设置为12945个32768字节。您可以增加此数量设置配置键'taskmanager.network.memory.fraction'，'taskmanager.networ...

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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

产品控制台

产品文档

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