实时计算 Flink版开窗聚合数据倾斜优化的相关内容

问答 2024-04-17 来自：开发者社区

Flink这个问题怎么解决？

咨询一个Flink问题，非开窗，非聚合的数据倾斜有什么优化思路？在保证相同key的数据在一个task 里面处理的前提下，上游kafka的数据是用户每个时间点的属性变化信息，需要写入到下游数据库，比如这条数据需要给用户的属性做要求和动作，下一条相同用户可能需要做局部更新动作，在或者相同用户做保留首次属性动作我目前的算子结构是： map.filter.keyby.process.sink ==&g...

问答 2024-04-14 来自：开发者社区

咨询一个Flink问题，非开窗，非聚合的数据倾斜咋优化呀?

咨询一个Flink问题，非开窗，非聚合的数据倾斜咋优化呀? 前提条件需要保证相同key的数据在一个task 里面处理；场景大概是：上游kafka的数据是用户每个时间点的用户属性变化信息（可能这个时间点是 f1, f2, f3,属性变更；下一个时间点是: f2, f4 属性变更），需要写入到下游数据库属性变化信息也分几种，同一条数据中的属性操作都是一样，比如这条数据需要给用....

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更新时间 2024-05-21 23:47:37

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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