实时计算 Flink版task机制的相关内容

阿里云文档 2025-02-08

基于DLF、RDS或Flink、OSS支持Delta Lake或Hudi存储机制

Delta Lake和Hudi是数据湖方案中常用的存储机制，为数据湖提供流处理、批处理能力。MaxCompute基于阿里云DLF、RDS或Flink、OSS产品提供了支持Delta或Hudi存储机制的湖仓一体架构。您可以通过MaxCompute查询到实时数据，即时洞察业务数据变化。

文章 2022-02-16 来自：开发者社区

Flink中task之间的数据交换机制

Flink中的数据交换构建在如下两条设计原则之上：数据交换的控制流（例如，为实例化交换而进行的消息传输）是接收端初始化的，这非常像最初的MapReduce。数据交换的数据流（例如，在网络上最终传输的数据）被抽象成一个叫做IntermediateResult的概念，它是可插拔的。这意味着系统基于相同的实现逻辑可以既支持流数据，又支持批处理数据的传输。数据传输包含多个对象，它们是： Jo...

问答 2022-02-15 来自：开发者社区

Flink如何确认某一段task是否执行完毕？有没有这种机制呢？

我们这里有个需求，Flink从rabbitmq接收消息，需要完整消费处理完前一条，才可以继续消费，因为前一条的结果会影响后面一条的结果准确性。 > > > 2.目前我了解到的rabbitmq有个qos可以限流为1条，但是消息流入Flink处理，我并不知道什么时候处理完了，也没有标识可以知道处理完了。 > > > > 3.通过checkp...

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更新时间 2024-06-27 09:17:36

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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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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