kennknowles opened a new issue, #19533: URL: https://github.com/apache/beam/issues/19533
In the current split protocol, SourceMetadata is reported for the initial parent source. Subsequent splits drop the SourceMetadata. Without this additional information, downstream systems make simplifying assumptions that result in decorrelation between input fraction and the actual fraction of input represented by a task. This decorrelation of input fraction has cascading negative effects for any system relying on trends in input fraction (eg., Cloud Dataflow's autotuning). Imported from Jira [BEAM-6819](https://issues.apache.org/jira/browse/BEAM-6819). Original Jira may contain additional context. Reported by: skp. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
