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Posted to dev@kafka.apache.org by "Matthias J. Sax (Jira)" <ji...@apache.org> on 2026/07/26 01:17:00 UTC

[jira] [Resolved] (KAFKA-20197) Add headers support to StreamPartitioner

     [ https://issues.apache.org/jira/browse/KAFKA-20197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias J. Sax resolved KAFKA-20197.
-------------------------------------
    Fix Version/s: 4.4.0
       Resolution: Fixed

> Add headers support to StreamPartitioner
> ----------------------------------------
>
>                 Key: KAFKA-20197
>                 URL: https://issues.apache.org/jira/browse/KAFKA-20197
>             Project: Kafka
>          Issue Type: New Feature
>          Components: streams
>            Reporter: Uladzislau Blok
>            Assignee: Uladzislau Blok
>            Priority: Major
>              Labels: kip
>             Fix For: 4.4.0
>
>
> KIP: [1321|https://cwiki.apache.org/confluence/x/pYwmGQ]
> See PR [https://github.com/apache/kafka/pull/21510]
> While working on https://issues.apache.org/jira/browse/KAFKA-20173 we realized that `StreamsPartitioner` does not pass headers into the interface.
> Because `StreamsPartitioner` is a public interface, we need to do a KIP to close this gap.
> *Note:* Headers are not available in lambda implementation. DO NOT CLOSE TICKET, until it's documented



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