实时计算 Flink版checkpoint检查的相关内容

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。

问答 2025-02-13 来自：开发者社区

Flink默认先全量再增量同步，全量时会对checkpoint上锁，导致请求检查点时失败，任务重启

如题，我是新手小白一个。同步的这个表很大，大概需要4小时时间才能导出所有数据。我在启动一个flink任务时，使用的是1.20版本,对应的flink-sql-connector-oracle-cdc-3.3.0.jar。同步命令如下，默认会先全量同步，对checkpoint上锁，导出这个表的全部数据后创建快照，释放checkpoint锁，接着自动进入增量同步模式：bin/flink run \ .....

问答 2023-02-06 来自：开发者社区

Flink 从断点开始同步时报这个错误，超时时间已经是30分钟，为啥checkpoint检查失败了？

请问大家，从断点开始同步时报这个错误，超时时间已经是30分钟了，checkpoint还是检查失败了，可能是什么原因呢？

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 2022-02-15 来自：开发者社区

flink的checkpoint，如何保证检查点之后的部分数据已经计算到结果表中，重启任#Flink

flink的checkpoint，如何保证检查点之后的部分数据已经计算到结果表中，重启任务不会重新计算呢？#Flink

问答 2021-01-06 来自：开发者社区

Flink Checkpoint JobMaster 执行需要做哪些检查

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更新时间 2025-02-14 12:40:58

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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。

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