实时计算 Flink版任务的相关内容

问答 2023-12-05 来自：开发者社区

Flink CDC 无法从检查点处恢复pg同步任务，而是从头对pg数据库又消费了一遍？

Flink CDC 1.13.2、flinkcdc 2.2.1、postgresql 13.82.问题：使用cdc对pg做数据同步时checkpoint可以正常触发保存到hdfs，当任务取消后再从checkpoint进行任务恢复时，无法从检查点处恢复pg同步任务，而是从头对pg数据库又消费了一遍？

问答 2023-12-04 来自：开发者社区

Flink CDC任务总是报错这个怎么解决哇？

Flink CDC任务总是报错这个怎么解决哇？org.apache.kafka.connect.errors.ConnectException: An exception occurred in the change event producer. This connector will be stopped. at io.debezium.pipeline.ErrorHandler.se...

问答 2023-12-04 来自：开发者社区

Flink CDC有没有遇到归档日志定时清理导致任务失败的场景哇？

问答 2023-12-04 来自：开发者社区

Flink CDC这是什么问题？今天所有任务都停失败了？2023-11-28 13:49:59java.io.IOException: Failed to fetch BLOB d14e8c48ad24201e9d7cbe8bd3e7e89f/p-a7e583f106f46d88b8ae9170727681965bda51d4-275a43c1606a617665ee9351bfbdb899 ....

问答 2023-12-04 来自：开发者社区

Flink CDC 2.3.0? update_time = 昨天时间,这个任务资源是一直暂用的吗？

Flink CDC 2.3.0?update_time = 昨天时间,这个任务资源是一直暂用的吗？还是需要通过调度启动？

问答 2023-12-04 来自：开发者社区

Flink CDC任务里有三个全量+增量的数据同步。并没有下降（如下图红框），这是为什么呀？

Flink CDC任务里有三个全量+增量的数据同步。现在有两个已经完成了全量同步（如上图蓝框），但是我查看任务所占的内存，并没有下降（如下图红框），这是为什么呀？是否正常，可否优化？

问答 2023-12-04 来自：开发者社区

Flink CDC同样的任务测试环境和生产都是读同一份binlog日志，生产的出错了缺数据了？

Flink CDC同样的任务测试环境和生产都是读同一份binlog日志，生产的出错了缺数据了，测试环境的还正常读到数据？

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如何评估运行任务与资源需求的关系呀？

问答 2023-12-04 来自：开发者社区

Flink CDC这种是跑完了自动结束任务吗，每天去提交一个任务？

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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