Matthias J. Sax created KAFKA-20334:
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Summary: 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
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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