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https://issues.apache.org/jira/browse/KAFKA-14491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax resolved KAFKA-14491.
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Fix Version/s: 3.5.0
Resolution: Fixed
> Introduce Versioned Key-Value Stores to Kafka Streams
> -----------------------------------------------------
>
> Key: KAFKA-14491
> URL: https://issues.apache.org/jira/browse/KAFKA-14491
> Project: Kafka
> Issue Type: Improvement
> Reporter: Victoria Xia
> Assignee: Victoria Xia
> Priority: Major
> Labels: kip, streams
> Fix For: 3.5.0
>
>
> The key-value state stores used by Kafka Streams today maintain only the
> latest value associated with each key. In order to support applications which
> require access to older record versions, Kafka Streams should have versioned
> state stores. Versioned state stores are similar to key-value stores except
> they can store multiple record versions for a single key. An example use case
> for versioned key-value stores is in providing proper temporal join semantics
> for stream-tables joins with regards to out-of-order data.
> See KIP for more:
> https://cwiki.apache.org/confluence/display/KAFKA/KIP-889%3A+Versioned+State+Stores
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