实时计算 Flink版重启的相关内容

问答 2025-05-06 来自：开发者社区

flink用rocksdb作为状态后端，taskmanager重启后rocksdb目录文件会被清空

flink使用rocksdb作为状态后端，当taskmanager重启后，rocksdb中的文件会被清空，是正常的吗？flink.conf关键配置如下： execution.checkpointing.externalized-checkpoint-retention: RETAIN_ON_CANCELLATIONexecution.checkpointing.max-concurrent-ch....

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 2024-12-26 来自：开发者社区

Flink集群重启后，所有job都清理了，这种情况怎么处理？

如果机房断电，集群重启，所有job都要再重新手动提交么？

文章 2024-10-11 来自：开发者社区

Flink 批作业如何在 Master 节点出错重启后恢复执行进度？

摘要：本文撰写自阿里云研发工程师李俊睿（昕程），主要介绍 Flink 1.20 版本中引入了批作业在 JM failover 后的进度恢复功能。主要分为以下四个内容：背景解决思路使用效果如何启用一、背景在 Flink 1.20 版本之前，如果 Flink 的 JobMaster（JM...

问答 2024-08-26 来自：开发者社区

有遇到过 flink cdc3 pipline cpu高重启的吗？

文章 2024-08-19 来自：开发者社区

实时计算 Flink版产品使用问题之作业频繁重启该如何处理

问题一：有遇到过flink 一直重启的问题么？有遇到过flink 一直重启的问题么？运行了 3-4天突然开始重启，而且一直重启。参考答案： Flink 任务一直重启的问题可能由多种原因引起，包括但不限于资源不足、网络问题、配置错误、代码逻辑错误等。以下是一些排查和解决该问题的步骤：检查日志：查看 Flink 任务的运行日志，特别是错...

问答 2024-08-18 来自：开发者社区

Flink CDC 读取mysq出现问题从检查点重启这个flinkcdc任务也不行，如何解决问题？

Flink CDC 读取mysql，出现这个题后，从检查点重启这个flinkcdc任务也不行，请问下可以如何解决这个问题？

问答 2024-08-14 来自：开发者社区

Flink的ctas 无状态重启会对表在全量同步一遍么？

问答 2024-08-14 来自：开发者社区

Flink意外宕机的话是有概率造成state丢失重启后重复计算的么？

问答 2024-08-13 来自：开发者社区

在Flink CDC中，集群模式已经重启还是不行？

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更新时间 2025-05-07 12:38:35

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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

产品控制台

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