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https://issues.apache.org/jira/browse/KAFKA-3821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16291750#comment-16291750
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Randall Hauch commented on KAFKA-3821:
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[~gunnar.morling], no, there is no KIP for this yet. I agree, the
{{OffsetRecord}} approach seems to be the cleanest API.
We will have to think about how the transformations will be affected, since
many of the implementations (not just those we provided in AK) are likely not
necessarily expecting a null topic. The {{SourceRecord}} documentation is not
explicit about what fields are required.
> Allow Kafka Connect source tasks to produce offset without writing to topics
> ----------------------------------------------------------------------------
>
> Key: KAFKA-3821
> URL: https://issues.apache.org/jira/browse/KAFKA-3821
> Project: Kafka
> Issue Type: Improvement
> Components: KafkaConnect
> Affects Versions: 0.9.0.1
> Reporter: Randall Hauch
> Labels: needs-kip
> Fix For: 1.1.0
>
>
> Provide a way for a {{SourceTask}} implementation to record a new offset for
> a given partition without necessarily writing a source record to a topic.
> Consider a connector task that uses the same offset when producing an unknown
> number of {{SourceRecord}} objects (e.g., it is taking a snapshot of a
> database). Once the task completes those records, the connector wants to
> update the offsets (e.g., the snapshot is complete) but has no more records
> to be written to a topic. With this change, the task could simply supply an
> updated offset.
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