实时计算 Flink版checkpoint异常的相关内容

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 2023-05-30 来自：开发者社区

flink checkpoint 异常，这个会导致本次checkpoint数据丢失吗有大佬遇到过吗？

/flink/flink-checkpoints/0000000000000000000o00o000/ chk-4/_netadata for client. slave1 already exists flink checkpoint 异常，这个会导致本次checkpoint数据丢失吗有大佬遇到过吗？

问答 2023-05-01 来自：开发者社区

请问下，Flink CDC中我用checkpoint恢复任务，为什么会报这异常呀？

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 2021-12-06 来自：开发者社区

flink任务checkpoint无法完成snapshot，且报kafka异常怎么回事？

现在有一个简单的flink任务，大概chain在一起后的执行图为： Source: Custom Source -> Map -> Source_Map -> Empty_Filer -> Field_Filter -> Type_Filter -> Value_Filter -> Map -> Map -> Map -> Sink: U...

问答 2021-10-27 来自：开发者社区

Flink任务报跳过当前checkpoint异常

报错信息：Received checkpoint barrier for checkpoint before completing current checkpoint . Skipping current checkpoint

问答 2020-11-20 来自：开发者社区

flink checkpoint异常Could not open output stream for

20/11/20 10:42:00 INFO operators.AbstractStreamOperator: Could not complete snapshot 1 for operator Window(EventTimeSessionWindows(15000), EventTimeTrigger, EventSessionWindowFunction) -> (Timestam...

文章 2020-03-11 来自：开发者社区

有赞实时任务优化：Flink Checkpoint 异常解析与应用实践

作者：沈磊（有赞大数据）有赞实时任务主要以 Flink 为主，为了保证实时任务的容错恢复以及停止重启时的状态恢复，几乎所有的实时任务都会开启 Checkpoint 或者触发 Savepoint 进行状态保存。由于 Savepoint 底层原理的实现和 Checkpoint 几乎一致，本文结合 Flink 1.9 版本，重点讲述 Flink Checkpoint 原理流程以及常见原因分析，让用户....

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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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