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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-2720) Exact-once Kafka sink
Date Wed, 18 Oct 2017 17:21:00 GMT


ASF GitHub Bot commented on BEAM-2720:

GitHub user rangadi opened a pull request:

    [BEAM-2720] Update kafka client version to

    This was supposed to be in earlier PR #3612, but it slipped through.
    +R: @kennknowles, @iemejia 

You can merge this pull request into a Git repository by running:

    $ git pull update_kafka_version

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #4009
commit 27684090f43ce24810e6a4a4efabee07628c7ae0
Author: Raghu Angadi <>
Date:   2017-10-18T17:18:15Z

    [BEAM-2720] Update kafka client version to
    This was supposed to be in earler PR #3612, but it slipped through.


> Exact-once Kafka sink
> ---------------------
>                 Key: BEAM-2720
>                 URL:
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-extensions
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
> 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
> I have an implementation of EOS support for Kafka sink :
> 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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