一、Flink相关API说明flinkAPI官网：Apache Flink 1.12 Documentation: Flink DataStream API Programming GuideFlink提供了多个层次的API供开发者使用，越往上抽象程度越高，使用起来越方便；越往下越底层，使用起来难度...

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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