Hi Alex, Please do share, this comes up somewhat frequently.
Marton On Mon, Feb 13, 2023 at 7:44 PM Őrhidi Mátyás <matyas.orh...@gmail.com> wrote: > Hi Alex, > > This is a reasonable request IMO. I've recently bumped into this topic > myself. This could be handy for supporting schema registries in Kafka to > Kafka scenarios for example. Looking forward to your proposal. > > Cheers, > Matyas > > On Mon, Feb 13, 2023 at 7:08 AM Alex Gout <alex.g...@shopify.com.invalid> > wrote: > > > Hi all, > > > > I'm currently working on a few pipelines sinking to Kafka. The downstream > > consumers of the sink topics expect some Kafka headers to be set. However > > the default org.apache.flink.connector.kafka.sink.KafkaSink does > > not support adding Kafka record headers. > > > > I tracked the code path down to > > > org.apache.flink.connector.kafka.sink.KafkaRecordSerializationSchemaWrapper > > where the RecordProducer is created. > > It is relatively simple to add support for record headers by adding a > > "HeaderProducer" next to the key and value serializers and using the > > appropriate RecordProducer constructor. > > > > For the benefit of my own projects, I have implemented this header > support > > and would be eager to share my implementation as a proposal if there's a > > consensus this would indeed be a valuable addition. > > > > Please let me know what you think. > > Thanks, > > - Alex > > >