在Flink当程序Direct buffer memory 时，线程死锁。导致程序HANG死，这是BUG吗？log4j-core to the classpath. Using SimpleLogger to log to the console...Exception in thread "I/O...

flink on yarn 环境，当任务程序包和配置文件目录config分离，应该怎么启动任务程序？

flink on yarn 环境，当任务程序包和配置文件目录config分离，并上传到HDFS时，应该怎么启动任务程序？

Flink CDC程序都需要打包到flink集群去执行来保证高可用

在Flink CDC程序中，如果需要保证程序的高可用性，通常需要将程序打包到Flink集群中去执行。这是因为Flink的作业是运行在集群上的，通过集群的高可用性机制来保证作业的稳定运行。如果将程序部署在单个机器上，一旦机器故障，程序就会停止运行，无法保证高可用性。另外，将程序打包到Flink集群中还...

flink 程序不会停止，也可以算出结果，为什么？

flink 1.17.1 大家再使用过程中本地调试时候有没有出现很奇怪的现象。一直会重复报一个错，只要使用到算子。但是程序不会停止，也可以算出结果？

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更新时间 2024-05-17 12:47:38

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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