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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-2720) Exact-once Kafka sink
Date Tue, 17 Oct 2017 17:33:00 GMT


ASF GitHub Bot commented on BEAM-2720:

GitHub user rangadi opened a pull request:

    Add missing license header in

    This is a quick follow up to BEAM-2720 to add missing Apache license header. 
    +R: @kennknowles, thanks for pointing out. 

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

    $ git pull add_license

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 #4005
commit 249da9b8a1e86d0fe4c3dc7b83032ad38c3dcac0
Author: Raghu Angadi <>
Date:   2017-10-17T17:30:48Z

    Add missing license header in


> 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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