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https://issues.apache.org/jira/browse/FLINK-5728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361900#comment-16361900
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Tzu-Li (Gordon) Tai commented on FLINK-5728:
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There was some discussion on the mailing list [1] that we do this as part of a
major rework of the Kafka / Kinesis connectors in Flink 1.6. I'll downgrade the
priority and reopen this in a Kafka / Kinesis connector rework umbrella issue.
[1]
[http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Timestamp-watermark-support-in-Kinesis-consumer-td20910.html]
> FlinkKafkaProducer should flush on checkpoint by default
> --------------------------------------------------------
>
> Key: FLINK-5728
> URL: https://issues.apache.org/jira/browse/FLINK-5728
> Project: Flink
> Issue Type: Improvement
> Components: Kafka Connector
> Reporter: Tzu-Li (Gordon) Tai
> Priority: Blocker
>
> As discussed in FLINK-5702, it might be a good idea to let the
> FlinkKafkaProducer flush on checkpoints by default. Currently, it is disabled
> by default.
> It's a very simple change, but we should think about whether or not we want
> to break user behaviour, or have proper usage migration.
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