我用机器学习PAI alink的从oss读取文件，本地执行没问题，提交到flink集群执行，报错，提示找不到：org.apache.flink.fs.osshadoop.OSSFileSystemFactory 我已经按要求把flink-oss-fs-hadoop-1.13.0.jar 文件放到flink/plugins/oss-fs-hadoop 下面了，依然找不到该class。ali...

问答 2023-06-05 来自：开发者社区

在机器学习PAI这个组件使用并行度大于1在flink集群上运行不起来，会报一下错误，怎么处理？

问题1：KerasSequentialClassifierTrainBatchOp 在机器学习PAI这个组件使用并行度大于1在flink集群上运行不起来，会报一下错误，怎么处理？错误如下： 2023-06-01 15:10:36,301 ERROR com.alibaba.alink.common.dl.DLRunner [] - Got exce...

问答 2023-05-29 来自：开发者社区

在机器学习PAI中useRemoteEnv也需要在对应的flink集群安装对应的S3插件吗？

现在能访问S3文件系统了，但是又有个新的问题，现在我们代码里面使用useRemoteEnv("XXX", 8080, 1)，通过远程提交的方式提交python代码到我们的云服务上面，然后通过下面的方法尝试把模型放到S3上，结果报了下面的错误.请问下老师，在机器学习PAI中useRemoteEnv也需要在对应的flink集群安装对应的S3插件吗？类似于下载对应的jar包，然后添加到 Flink 的....

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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