请教各位前辈，我现在使用flink run-application --target kubernetes-application 命令往k8s集群提交flink任务，但是我发现任务提交到集群后这个命令就退出了，尝试增加-Dexecution.attached=true参数也没有用。请问有什么办法可以让任务执行完成后命令再退出呢？并且我希望如果任务异常终止该命令也能把任务的异常信息抛出来。

文章 2025-04-13 来自：开发者社区

蚂蚁 Flink 实时计算编译任务 Koupleless 架构改造

蚂蚁 Flink 实时计算编译任务 Koupleless 架构改造张冯君（远远） Koupleless PMC 蚂蚁集团技术工程师就职于蚂蚁集团中间件团队，参与维护与建设蚂蚁 SOFAArk 和 Koupleless 开源项目、内部 SOFAServerless 产品的研发和实践。本文 3488 字，预计阅读 11 分钟业务背景基于开源 Apache Flink 打造的蚂蚁流式.....

问答 2025-02-27 来自：开发者社区

Flink 控制台Cancel Job，然后重新提交任务，此时是全量同步，还是增量同步？

如果在 Flink 控制台上点击取消任务（Cancel Job），然后bash bin/flink-cdc.sh tools/test_to_doris.yaml --flink-home /usr/local/flink-1.18.0doris提交任务，此时会进行全量同步，还是增量同步

问答 2025-02-20 来自：开发者社区

Flink CDC任务从savepoint/checkpoints状态中恢复作业错误问题

flink CDC任务监听mysql数据。只要不是从savepoint/checkpoint中恢复，都是能成功运行并监听数据的，但是只要从savepoint/checkpoint中恢复作业，就会报如下错误：Caused by: java.lang.RuntimeException: One or more fetchers have encountered exception at org...

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 \ .....

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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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实时同步

MySQL 到 Hologres

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功能对比

开源Flink对比

成本优化

作业自动调优