实时计算 Flink版group window数据倾斜的相关内容

文章 2024-08-22 来自：开发者社区

Flink SQL 在快手实践问题之Group Window Aggregate 中的数据倾斜问题如何解决

问题一：数据倾斜在实时计算中可能带来哪些问题？数据倾斜在实时计算中可能带来哪些问题？参考回答：数据倾斜在实时计算中可能带来指标延迟或数据事故等问题。当实时计算任务遇到数据倾斜时，部分节点可能会处理过多的数据，导致处理速度下降，进而影响整个任务的完成时间和数据准确性。关于本问题的更多问答可点击原文查看： https://...

阿里云文档 2024-08-02

WindowTVF变更兼容性

本文为您介绍Window TVF变更的可兼容性和不可兼容性详情。

问答 2024-07-23 来自：开发者社区

Flink SQL 如何解决 Group Window Aggregate 中的数据倾斜问题？

阿里云文档 2024-07-17

WindowTop-N变更兼容性

Window TOP-N需要同时遵循Window TVF和Top-N两者的修改要求，支持的兼容性修改较少。本文为您介绍Window Top-N变更的可兼容性和不可兼容性详情。

阿里云文档 2024-07-11

GroupWindowAggregate变更兼容性

本文为您介绍Group Window Aggregate变更的可兼容性和不可兼容性详情。

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更新时间 2024-08-23 12:08:51

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成本优化

作业自动调优