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://...

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？

问答 2022-12-09 来自：开发者社区

大家flink sql 选择 group-offset 新的group 会报错吗？

问答 2022-02-15 来自：开发者社区

flink1.10.1/1.11.1 使用sql 进行group 和时间窗口操作后状态越来越大

Hi，社区的各位大家好：我目前生产上面使用的是1.8.2版本，相对稳定为了能够用sql统一所有相关的作业，同时我也一直在跟着flink最新版本进行研究，截止目前先后研究了1.10.1 1.11.1共2个大版本在尝试使用的过程中，我发现了通过程序，使用sql进行group操作时，checkpoint中的数据量一直在缓慢增加状态后端使用的是rocksdb 的增量模式 StateBacke.....

问答 2022-02-15 来自：开发者社区

flink1.10.1/1.11.1 使用sql 进行group 和时间窗口操作后状态越来越大

在测试环境：关闭增量chk,全量的state大小大约在：100M左右；之前开启：我观察了一段时间，膨胀到5G，而且还一直在增长； sql： select sum(xx) group by 1 分钟窗口过期时间设置的为：5-30min*来自志愿者整理的flink邮件归档

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更新时间 2024-08-23 13:45:27

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