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https://issues.apache.org/jira/browse/KAFKA-7671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-7671:
-----------------------------------
Fix Version/s: 2.1.1
2.2.0
> A KStream/GlobalKTable join shouldn't reset the repartition flag
> ----------------------------------------------------------------
>
> Key: KAFKA-7671
> URL: https://issues.apache.org/jira/browse/KAFKA-7671
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 2.0.1
> Reporter: Andy Bryant
> Priority: Major
> Fix For: 2.2.0, 2.1.1
>
>
> Currently a KStream/GlobalKTable join resets the repartition required flag to
> false.
> I have a topology where I map a stream, join with a GlobalKTable, then
> groupByKey then aggregate.
> The aggregate wasn't behaving correctly because it didn't force a repartition
> as I expected. The KStream/GlobalKTable join had reset the flag and hence I
> was getting the same keys in different partitions.
> Since a KStream/GlobalKTable join does not itself force a repartition, it
> should simply propagate the flag down to the resultant KStream the same way
> most other operators work.
>
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