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https://issues.apache.org/jira/browse/FLINK-7210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai resolved FLINK-7210.
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Resolution: Fixed
Fix Version/s: 1.4.0
Thanks for this contribution Piotr!
Merged to master via 62e99918a45b7215c099fbcf160d45aa02d4559e.
> Add TwoPhaseCommitSinkFunction (implementing exactly-once semantic in generic
> way)
> ----------------------------------------------------------------------------------
>
> Key: FLINK-7210
> URL: https://issues.apache.org/jira/browse/FLINK-7210
> Project: Flink
> Issue Type: Improvement
> Components: Streaming Connectors
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Fix For: 1.4.0
>
>
> To implement exactly-once sink there is a re-occurring pattern for doing it -
> two phase commit algorithm. It is used both in `BucketingSink` and in
> `Pravega` sink and it will be used in `Kafka 0.11` connector. It would be
> good to extract this common logic into one class, both to improve existing
> implementation (for exampe `Pravega`'s sink doesn't abort interrupted
> transactions) and to make it easier for the users to implement their own
> custom exactly-once sinks.
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