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https://issues.apache.org/jira/browse/KAFKA-20500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nicholas Telford resolved KAFKA-20500.
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Resolution: Fixed
> Transactional support for VersionedStores
> -----------------------------------------
>
> Key: KAFKA-20500
> URL: https://issues.apache.org/jira/browse/KAFKA-20500
> Project: Kafka
> Issue Type: Sub-task
> Components: streams
> Reporter: Nicholas Telford
> Assignee: Nicholas Telford
> Priority: Major
>
> Versioned state stores also need transactionality. Under the hood, they
> simply use {{{}RocksDBStore{}}}, so make use of the
> {{{}RocksDBTransctionBuffer{}}}. However, we need to wire up the various
> pieces of {{{}VersionedStateStore{}}}s to make it work:
> * {{LogicalKeyValueSegment}}
> * {{VersionedBytesStore}}
> * {{VersionedKeyValueStore}}
> * {{Versioned(Metered|Caching|ChangeLogging)Stores}}
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