实时计算 Flink版sql不触发计算的相关内容

阿里云文档 2026-08-12

已弃用API ModifyPrepayInstanceSpec修改包年包月实例资源规格-实时计算 Flink版-阿里云

修改包年包月的flink全托管实例计算资源的规格大小，调整后规格小于当前使用规格将进行缩容操作，调整后规格大于当前使用规格将进行扩容操作。

问答 2024-07-08 来自：开发者社区

flink 1.13版本 sql中如果一直没有数据到来，则窗口不触发计算sql中怎么设置空闲时间呢？

请教下，flink 1.13版本 sql中，对于event时间语义，如果一直没有数据到来，则窗口不触发计算，sql中怎么设置空闲时间呢？

问答 2024-03-25 来自：开发者社区

请问flink sql 事件时间 Temporal Join 设计多个并行度不触发计算

环境说明：flink 1.15 场景描述：left 表是一个来源于kafka的表且定义了水位线，right表是来自于mysql cdc的表，right表定义了主键和水位线，按flink官方说法right表就是一个版本表了。2个表按FOR SYSTEM_TIME AS OF事件时间的方式关联。且关联字段都是主键。在执行环境中设置了程序的并行度为3。问题描述：right表本身有不少数据了，当lef....

问答 2024-03-22 来自：开发者社区

请问flink sql 事件时间 Temporal Join 不触发计算

环境说明：flink 1.15 场景描述：left 表是一个来源于kafka的表且定义了水位线，right表是来自于mysql cdc的表，right表定义了主键和水位线，按flink官方说法right表就是一个版本表了。2个表按FOR SYSTEM_TIME AS OF事件时间的方式关联。且关联字段都是主键。问题描述：right表本身有不少数据了，当left来一条数据的时候结果没有触发计算。....

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更新时间 2024-07-09 09:10:40

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立即开通

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实时同步

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功能对比

开源Flink对比

成本优化

作业自动调优