实时计算 Flink版checkpoint机制的相关内容

[帮助文档] 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。

Flink之Checkpoint机制

（1）Checkpoint的背景State场景:flink中有状态函数和运算符在各个元素（element）/事件（event）的处理过程中存储的数据，这些数据可以修改和查询，可以自己维护，根据自己的业务场景，保存历史数据或者中间结果到状态（st...

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那个男人竟然不会Flink的CheckPoint机制（二）

TaskManager（非source Task接收）在上一篇《背压原理》又或是这篇的基础铺垫上，其实我们可以看到在Flink接收数据用的是InputGate，所以我们还是回到org.apache.flink.streaming.runtime.io.StreamInputProcessor#pro...

那个男人竟然不会Flink的CheckPoint机制（一）

开胃菜（复习）作为用户，我们写好Flink的程序，上管理平台提交，Flink就跑起来了(只要程序代码没有问题），细节对用户都是屏蔽的。实际上大致的流程是这样的：Flink会根据我们所写代码，会生成一个StreamGraph的图出来，来代表我们所写程序的拓扑结...

Flink 的 checkpoint 机制对比 spark 有什么不同和优势？

Flink 专题 -2 Checkpoint、Savepoint 机制

CheckPoint 1. checkpoint 保留策略默认情况下，checkpoint 不会被保留，取消程序时即会删除他们，但是可以通过配置保留定期检查点，根据配置当作业失败或者取消的时候，不会自动清除这些保留的检查点。 java : CheckpointConfig config = ...

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更新时间 2022-12-29 11:50:21

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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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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