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https://issues.apache.org/jira/browse/FLINK-6607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-6607:
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Labels: stale-major (was: )
> Confusing statement in docs that Kafka 010 consumer does not require
> timestamp extractors
> -----------------------------------------------------------------------------------------
>
> Key: FLINK-6607
> URL: https://issues.apache.org/jira/browse/FLINK-6607
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Kafka, Documentation
> Reporter: Tzu-Li (Gordon) Tai
> Priority: Major
> Labels: stale-major
>
> In
> https://ci.apache.org/projects/flink/flink-docs-release-1.2/dev/connectors/kafka.html#using-kafka-timestamps-and-flink-event-time-in-kafka-010,
> the docs state that the Kafka 010 consumer does not require timestamp
> extractors because the Kafka records' timestamps can be used.
> While this is true, it is confusing for the Kafka 010 consumer because
> currently timestamp extraction and watermark generating is bound to a single
> `AssignerWithXXXWatermarks` interface. This may cause users to misunderstand
> that even watermark generating isn't required also.
> We perhaps should strengthen the clarification of this a bit more in that
> part of the docs to avoid confusion.
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