Hi, Dennis, Although all operators are chained together, each operator metrics is there, you can view the metrcis related to the corresponding operator's input and output records through the UI, as following: [image: image.png]
Best, Ron Dennis Jung <inylov...@gmail.com> 于2023年8月16日周三 14:13写道： > Hello people, > I'm trying to monitor data skewness with 'web-ui', between TaskManagers. > > Currently all operators has been chained, so I cannot find how data has > been skewed to TaskManagers (or subtasks). But if I disable chaining, > AFAIK, it can degrade performance. > > > https://nightlies.apache.org/flink/flink-docs-master/docs/dev/datastream/operators/overview/#task-chaining-and-resource-groups > > Could someone give a good suggestion on how to monitor whether data skew > happens or not, in Flink app? > > Thank you. > > >
