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https://issues.apache.org/jira/browse/BEAM-2720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghu Angadi resolved BEAM-2720.
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Resolution: Fixed
Fix Version/s: 2.2.0
> Exactly-once Kafka sink
> -----------------------
>
> Key: BEAM-2720
> URL: https://issues.apache.org/jira/browse/BEAM-2720
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-extensions
> Reporter: Raghu Angadi
> Assignee: Raghu Angadi
> Fix For: 2.2.0
>
>
> Kafka 0.11 added support for transactions which allows end-to-end
> exactly-once semantics. Beam's KafkaIO users can benefit from these while
> using runners that support exactly-once processing.
> I have an implementation of EOS support for Kafka sink :
> https://github.com/apache/beam/pull/3612
> It has two shuffles and builds on Beam state-API and checkpoint barrier
> between stages (as in Dataflow). Pull request has a longer description.
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