[jira] [Resolved] (KAFKA-6182) Automatic co-partitioning of topics via automatic intermediate topic with matching partitions

["Matthias J. Sax (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-6182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias J. Sax resolved KAFKA-6182.
------------------------------------
    Resolution: Fixed

KIP-221 is implemented now. Closing this ticket.

> Automatic co-partitioning of topics via automatic intermediate topic with matching partitions
> ---------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-6182
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6182
>             Project: Kafka
>          Issue Type: New Feature
>          Components: streams
>    Affects Versions: 1.0.0
>            Reporter: Antony Stubbs
>            Priority: Major
>
> Currently it is up to the user to ensure that two input topics for a join have the same number of partitions, and if they don't, manually create an intermediate topic, and send the stream #through that topic first, and then performing the join.
> It would be great to have Kafka streams detect this and at least give the user the option to create an intermediate topic automatically with the same number of partitions as the topic being joined with.
> See https://docs.confluent.io/current/streams/developer-guide.html#joins-require-co-partitioning-of-the-input-data



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