# Flink实时计算

Apache Flink 是新一代分布式流处理引擎，支持高吞吐、低延迟、有且仅有一次的流处理语义。本章节涵盖 Flink 核心概念、DataStream API、窗口机制、状态管理与集群部署。

## 学习路径

```
Flink核心概念 → Flink环境搭建 → Flink DataStream API → Flink窗口机制
                                              ↓
                              Flink状态管理与检查点 → Flink集群部署
```

## 章节内容

* [Flink核心概念](/qkd90/12flink-shi-shi-ji-suan/flink-he-xin-gai-nian.md) - Flink 特点、架构、流批一体理念
* [Flink环境搭建](/qkd90/12flink-shi-shi-ji-suan/flink-huan-jing-da-jian.md) - 本地开发与测试环境配置
* [Flink DataStream API](https://github.com/qkd90/gitbook/blob/master/12-Flink实时计算/Flink%20DataStream%20API.md) - 数据源、转换、Sink 操作
* [Flink窗口机制](/qkd90/12flink-shi-shi-ji-suan/flink-chuang-kou-ji-zhi.md) - Tumbling、Sliding、Session 窗口
* [Flink状态管理与检查点](/qkd90/12flink-shi-shi-ji-suan/flink-zhuang-tai-guan-li-yu-jian-cha-dian.md) - State Backend、Checkpoint、Savepoint
* [Flink集群部署](/qkd90/12flink-shi-shi-ji-suan/flink-ji-qun-bu-shu.md) - Standalone、YARN、K8s 部署模式


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