实时计算 Flink版时间戳原理的相关内容

阿里云文档 2025-08-19

Flink SQL中Changelog事件乱序处理原理

本文围绕Flink SQL实时数据处理中的Changelog事件乱序问题，分析了Flink SQL中Changelog事件乱序问题的原因，并提供了解决方案以及处理Changelog事件乱序的建议。以帮助您更好地理解Changelog的概念和应用，更加高效地使用Flink SQL进行实时数据处理。

阿里云文档 2024-11-12

SQL作业大状态导致反压的调优方法

状态管理不仅影响应用的性能，还关系到系统的稳定性和资源的有效利用。如果状态管理不当，可能会导致性能下降、资源耗尽，甚至系统崩溃。本文为您介绍SQL作业大状态导致反压的调优原理与方法。

阿里云文档 2024-06-27

DataStream作业大状态导致反压的调优方法

状态管理不仅影响应用的性能，还关系到系统的稳定性和资源的有效利用。如果状态管理不当，可能会导致性能下降、资源耗尽，甚至系统崩溃。Flink Datastream API在状态管理方面提供了非常灵活的接口，您可以采取相关措施来确保状态大小可控，避免状态的无限制增长。

文章 2024-05-17 来自：开发者社区

实时计算 Flink版产品使用合集之时间戳读取的原理是什么

问题一：请教个问题，flink1.18跑在k8s，任务提交上去，几十秒自动cancel了，了解吗？请教个问题，flink1.18跑在k8s，任务提交上去，几十秒自动cancel了，flink1.13版本没啥问题，有大佬了解吗？参考回答：对于Flink 1.18在K8S上运行自动取消任务的问题，可能的原因有很多。这可能与Flink版本更新后的新特性...

问答 2023-11-16 来自：开发者社区

Flink CDC时间戳读取的原理是不是要遍历binlog 然后找到符合时间戳数据开始读？

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更新时间 2024-05-18 12:33:31

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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

产品控制台

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