我们在使用flinkcdc 进行 tidb数据同步时，遇到内存增量超大问题，望大神帮忙看看什么问题tidb版本 6.5.2，flink-connector-tidb-cdc-3.0.1flink-sql-connector-tidb-cdc-3.0.1，flink版本 1.19.0flink使用Standalone模式部署了三台节点1台jobmanager 1，taskmanager 2台 f....

问答 2022-02-15 来自：开发者社区

集群模式下Flink如何确保同样的ID落在同一个节点上？

Flink on Yarn 集群里有几台机器组成的Yarn。能从消息中方便的提取一个用户ID。现在在处理流的过程中，希望同一个ID落到同一个机器上来提高效率。同时，希望partition by ID，然后编写针对同一个用户的流的处理算法，现在不知道如何下手。还请大神指导一下……十分感谢

问答 2022-02-15 来自：开发者社区

有个问题咨询下大家，集群中有一个taskmanager运行期间宕机或者网络连不上了，这种情况下flink是怎么把数据迁移到其他节点上的？会丢数据吗？

转自钉钉群21789141：有个问题咨询下大家，集群中有一个taskmanager运行期间宕机或者网络连不上了，这种情况下flink是怎么把数据迁移到其他节点上的？会丢数据吗？

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更新时间 2024-08-19 09:07:06

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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