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从 RxJS 到 Flink：如何处理数据流？

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从 RxJS 到 Flink：如何处理数据流？

作者 | 执衡来源 | 阿里技术公众号一前端开发在开发什么大家在前端开发的过程中，可能会想过这样一个问题：前端开发究竟是在开发什么？在我看来，前端开发的本质是让网页视图能够正确地响应相关事件。在这句话中有三个关键字："网页视图"，"正确地响应"和"相关事件"。"相关事件"可能包括页面点击，鼠标滑动...

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flink里面如何处理这样的数据流，flink版本1.7.2

比如数据过来有3个字段，时间，事件类型，手机号。现在要统计每天的每个事件的活跃度，一个手机号算一个活跃度。同一天可能存在一个手机号同一个事件会有多次记录。相当于要对手机号字段distinct

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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