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https://issues.apache.org/jira/browse/BEAM-8934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136948#comment-17136948
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Beam JIRA Bot commented on BEAM-8934:
-------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> Store&Read offset with KafkaIO
> ------------------------------
>
> Key: BEAM-8934
> URL: https://issues.apache.org/jira/browse/BEAM-8934
> Project: Beam
> Issue Type: New Feature
> Components: io-java-kafka
> Reporter: jiefeng zheng
> Priority: P3
> Labels: KafkaIO, apache, beam, offset
>
> When creating a Pipeline through a KafkaIO object, I want to be able to
> specify the starting offset of consumption, and when traversing the message
> later, I can get the offset of the current message for storage in a
> relational database / NoSQL.
>
> This feature is used to implement the exactly-once semantics of spark
> streaming consumption.
>
> In the "Your own data store" section of the following url content, you can
> find how to achieve exactly-once semantics with spark streaming:
> [http://spark.apache.org/docs/latest/streaming-kafka-0-10-integration.html|http://spark.apache.org/docs/latest/streaming-kafka-0-10-integration.html]
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