实时计算 Flink版状态过期的相关内容

阿里云文档 2022-01-25

Flink线上问题汇总篇(1)-状态过期导致的sum结果负数问题

flink任务上线运行有一段时间了一直很稳定，这两天忽然发现有些“丢数据”的现象。这是怎么回事呢？用这篇文章记录一下踩坑之路。任务要求：我们这个任务要达到的效果是汇总每月的业务量，需要按照具体分类分组。业务量绝对不会出现负数的问题，但是现在汇总出来的居然存在负数！肯定是某个环节出现了问题。排查思路：我这个任务使用的是flink的table api操作比较简单。最先发现数据不正常是发现fl...

问答 2021-01-05 来自：开发者社区

Flink DataStream 状态过期是怎样配置的

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更新时间 2022-10-08 14:25:55

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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

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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