问题一：Group Window Aggregate在Flink中有哪些局限性？ Group Window Aggregate在Flink中有哪些局限性？参考回答： Group Window Aggregate在Flink 1.12及更早版本中用于窗口聚合，但其存在两个主要局限性：一是语法不符合SQL标准，需要借助特殊窗口函数和窗口辅助函数；二是窗口...

问答 2022-02-15 来自：开发者社区

flink 1.12如何实现window topN功能？

官网文档上显示flink 1.13支持window topN，但flink 1.12没看到相关文档，请问有什么work around方法吗？ *来自志愿者整理的flink邮件归档

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更新时间 2024-08-23 15:08:35

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功能对比

开源Flink对比

成本优化

作业自动调优