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https://issues.apache.org/jira/browse/KAFKA-9224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax reassigned KAFKA-9224:
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Assignee: (was: Boyang Chen)
> State store should not see uncommitted transaction result
> ---------------------------------------------------------
>
> Key: KAFKA-9224
> URL: https://issues.apache.org/jira/browse/KAFKA-9224
> Project: Kafka
> Issue Type: Improvement
> Reporter: Boyang Chen
> Priority: Major
>
> Currently under EOS, the uncommitted write could be reflected in the state
> store before the ongoing transaction is finished. This means interactive
> query could see uncommitted data within state store which is not ideal for
> users relying on state stores for strong consistency. Ideally, we should have
> an option to include state store commit as part of ongoing transaction,
> however an immediate step towards a better reasoned system is to `write after
> transaction commit`, which means we always buffer data within stream cache
> for EOS until the ongoing transaction is committed.
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