实时计算 Flink版checkpoint程序的相关内容

阿里云文档 2025-02-18

Checkpoint与Savepoint

系统检查点（Checkpoint）和作业快照（Savepoint）统称为状态集。本文为您介绍如何管理作业的状态集，包括创建、查看、删除和从指定状态恢复。

阿里云文档 2022-12-28

如何在Flink集群中配置OSS来存储Checkpoint和Savepoint

本文通过示例为您介绍如何在E-MapReduce on ACK的Flink集群中配置OSS来存储Flink作业的Checkpoint和Savepoint。

问答 2021-12-08 来自：开发者社区

flink1.11 mysql cdc checkpoint 失败后程序自动恢复，同步数据出现重复

sourcr：mysql-cdc sink：elasticsearch 问题描述：从mysql中同步表数据至elasticsearch后，进行新增再删除的某条数据出现问题，导致sink失败（没加primary key）。checkpoint失败，程序自动恢复重启后，checkpoint 成功，但是elasticsearch 中的数据是mysql 表中的两倍，出现重复同步情况。程序的自动恢复.....

问答 2019-12-30 来自：开发者社区

请问Flink checkpoint慢会不会影响程序的吞吐量？

请问Flink checkpoint慢会不会影响程序的吞吐量？本问题来自阿里云开发者社区的【11大垂直技术领域开发者社群】。点击这里欢迎加入感兴趣的技术领域群。

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更新时间 2024-05-04 12:32:00

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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