mjsax opened a new pull request, #20470: URL: https://github.com/apache/kafka/pull/20470
With "merge.repartition.topic" optimization enabled, Kafka Streams tries to push repartition topics upstream, to be able to merge multiple repartition topics from different downstream branches together. However, it is not safe to push a repartition topic if the parent node is value-changing: because of potentially changing data types, the topology might become invalid, and fail with serde error at runtime. The optimization itself work correctly, however, processValues() is not correctly declared as key-changing, what can lead to invalid topologies. -- 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: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
