windows环境下IDEA本地通过java API 向yarn上提交Flink per_job 任务失败，jobmanager.err 里面显示： Error: Could not find or load main class org.apache.flink.yarn.entrypoint.YarnJobClusterEntrypoint 哪位大佬知道是为什么？

问答 2023-02-14 来自：开发者社区

基于yarn，spark任务可以配置动态资源内存和核数，flink呢？

基于yarn，spark任务可以配置动态资源内存和核数，flink呢，是任务一开始配置多大内存就是多大吗？flink不用配置核数，一个任务会使用多少核呢？

问答 2023-01-30 来自：开发者社区

实时计算 Flink版在yarn上提交flink sql上报这个错误，有谁遇到这个问题？

实时计算 Flink版在yarn上提交flink sql上报这个错误：Service temporarily unavailable due to an ongoing leader election，有谁遇到这个问题？

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更新时间 2024-06-03 18:55:37

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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