为了更好地融入开源生态，提供更加开放和多样化的计算服务，阿里云E-MapReduce（简称EMR）从EMR-5.17.0和EMR-3.51.0版本开始，将Flink引擎版本从Flink企业版Ververica Runtime（简称VVR）调整为Flink社区开源版本，同时引入RocksDB作为存储后端，以符合开源Flink的使用习惯。

问答 2023-09-05 来自：开发者社区

Flink运行一个任务，查看版本都是flink 1.13版本有人知道报错这个是为什么吗？

Flink运行一个任务，本地连接远程数据库进行运行时没有问题的，但是部署到服务器后，运行同样的任务，报错查看版本都是flink 1.13版本有人知道报错这个是为什么吗？

问答 2023-07-02 来自：开发者社区

Flink CDC中改了之后重新运行报这个错，是不是jackson包版本冲突了？项目中声明的是2.1

Flink CDC中改了之后重新运行报这个错，是不是jackson包版本冲突了？项目中声明的是2.13.3，flink cdc版本我用的是2.3.0，我改用flink shaded jackson包试试

问答 2023-03-13 来自：开发者社区

flink 的 job 运行正常，但es这边没有自动创建索引，es的版本是7.17.9

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更新时间 2024-08-19 09:09:01

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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

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优