Re: Kafka Streams - left join behavior

Hi Miguel, Kafka v3.1.0 has already code freezed, and is dealing with some blocker issues. It should be released soon. For this feature status in v3.0.0, I think Matthias knows it the most. As far as I know, it was ready for v3.0.0 originally, but there's a regression bug found(KAFKA-13216

Re: Kafka Streams - left join behavior

Hi Matthias Do you know when the 3.1 version is going to be released? I noticed the JoinWindows class has a boolean property called enableSpuriousResultFix If I extend the class the set that flag to true will it eliminate spurious messages in kafka streams 3.0.0 ? thanks - Miguel On Mon, Dec

Re: Kafka Streams - left join behavior

It's fixed in upcoming 3.1 release. Cf https://issues.apache.org/jira/browse/KAFKA-10847 A stream-(global)table join has different semantics, so I am not sure if it would help. One workaround would be to apply a stateful` faltTransformValues()` after the join to "buffer" all NULL-results an

Re: Kafka Streams - left join behavior

Hi Miguel, > Is there a way to force the behavior I need, meaning... using left join and a JoinWindows output only one message (A,B) or (A, null) I think you can try to achieve it by using *KStream-GlobalKTable left join*, where the GlobalKTable should read all records at the right topic, and then

Kafka Streams - left join behavior

Hello I have been developing a Kafka Streams app that takes as input two topics as KStreams, processes them in some way and joins them and sends the combined message to an output topic. Here's some code, final StreamJoined joinParams = StreamJoined.with( STRING_SERDE, StreamS