大数据开发笔记实时计算 Flink版综合学习的相关内容

文章 2022-10-19 来自：开发者社区

大数据开发笔记（九）：Flink综合学习）（二）

21、Flink SQL的实现原理是什么？是如何实现 SQL 解析的呢？首先大家要知道 Flink 的SQL解析是基于Apache Calcite这个开源框架。基于此，一次完整的SQL解析过程如下：用户使用对外提供Stream SQL的语法开发业务应用用calcite对StreamSQL进行语法检验，语法检验通过后，转换成calcite的逻辑树节点；最终形成calcite的逻辑计划采用Flink....

文章 2022-10-19 来自：开发者社区

大数据开发笔记（九）：Flink综合学习）（一）

Flink基础1、简单介绍一下 FlinkFlink 是一个框架和分布式处理引擎，用于对无界和有界数据流进行有状态计算。并且 Flink 提供了数据分布、容错机制以及资源管理等核心功能。Flink提供了诸多高抽象层的API以便用户编写分布式任务：DataSet API，对静态数据进行批处理操作，将静态数据抽象成分布式的数据集，用户可以方便地使用Flink提供的各种操作符对分布式数据集进行处理，....

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更新时间 2022-11-08 09:57:19

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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