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https://issues.apache.org/jira/browse/KAFKA-20334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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PoAn Yang reassigned KAFKA-20334:
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Assignee: PoAn Yang
> Consider to update KStream-KStream join to use plain-value-header-window
> stores
> -------------------------------------------------------------------------------
>
> Key: KAFKA-20334
> URL: https://issues.apache.org/jira/browse/KAFKA-20334
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Matthias J. Sax
> Assignee: PoAn Yang
> Priority: Major
> Labels: needs-kip
>
> When we did KIP-1271 we decided to _not_ add a plain-value-header-window
> store to keep the number of stores limited, and to not end up with a zoo of
> too many store types.
> However, while working on KIP-1285 we realized that the DSL would actually
> benefit from such a store. However, we compromised and use the existing
> value-ts-header-window store now, "wasting" 8 bytes per record on the ts
> field we don't need. This happens for KStream-KStream-joins.
> We should consider to fix this.
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