实时计算 Flink版cdc数据的相关内容

阿里云文档 2023-01-29

如何使用FlinkCDC将MySQL数据同步至EMRServerlessStarRocks

本文为您介绍如何使用Flink CDC将MySQL数据同步至EMR Serverless StarRocks中。

问答 2023-01-16 来自：开发者社区

目前用flink oracle cdc sql，任务无报错，但是没有数据输出，为什么？

目前用flink oracle cdc sql，任务启动运行正常，无报错，但是select * from 表名，就是没有数据输出，有没有大佬可以指点一下？

问答 2023-01-15 来自：开发者社区

对于Flink CDC，有什么方案可以对数据进行加工处理吗？整库采集模式下

对于Flink CDC，有什么方案可以对数据进行加工处理吗？整库采集模式下，除了将数据写入kafka以外还有其他方式吗？

问答 2023-01-15 来自：开发者社区

Flink CDC数据库日志异常关闭了，cdc ck还能监听到关闭期间的数据吗？

问答 2023-01-15 来自：开发者社区

flink oracle cdc 读取不到BLOB类型的数据是为什么？

问答 2023-01-15 来自：开发者社区

对于Flink CDC，从丢失时刻的checkpoint重启任务，丢失的数据又获取到了。有排查方向吗

目前生产flink14+cdc2.3+mongo4，使用datastream api的方式进行整库订阅，出现数据丢失的情况。在日志中没有任何报错异常。但是我发现数据丢失后，从丢失时刻的checkpoint重启任务，丢失的数据又获取到了。也尝试调了poll.await.time.ms、heartbeat.interval.ms等参数，没有效果。请问有什么排查方向吗?

问答 2023-01-15 来自：开发者社区

对于Flink CDC，如果binlog保留时间只有1天，是不是就拿不到全量数据了？

mysql 全量阶段（snapshot）也是依赖binlog获取数据吗，如果binlog保留时间只有1天，是不是就拿不到全量数据了？

问答 2023-01-15 来自：开发者社区

flink mongo cdc 大概单并行度每秒能拉取多少数据？

问答 2023-01-15 来自：开发者社区

对于Flink CDC，mysql分库分表入iceberg的V2表，任务重启时为啥历史数据重复写入？

对于Flink CDC，mysql分库分表入iceberg的V2表，在任务重启时为啥历史数据会重复写入，并且时区有的正确有的-8小时，有大佬知道怎么解决吗

问答 2023-01-08 来自：开发者社区

Flink CDC里，任务那里为什么没有数据？

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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

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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