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https://issues.apache.org/jira/browse/KAFKA-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15138151#comment-15138151
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ASF GitHub Bot commented on KAFKA-3191:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/850
> Improve offset committing JavaDoc in KafkaConsumer
> --------------------------------------------------
>
> Key: KAFKA-3191
> URL: https://issues.apache.org/jira/browse/KAFKA-3191
> Project: Kafka
> Issue Type: Improvement
> Components: consumer
> Affects Versions: 0.9.0.0
> Reporter: Adam Kunicki
> Assignee: Adam Kunicki
> Priority: Minor
> Labels: documentation
> Fix For: 0.9.0.1, 0.9.1.0
>
>
> http://www.confluent.io/blog/tutorial-getting-started-with-the-new-apache-kafka-0.9-consumer-client
> includes some great examples of how to manage offset commits in Kafka 0.9.
> It is currently unclear from the JavaDoc that the following is expected:
> {code}
> consumer.commitSync(Collections.singletonMap(record.partition(), new
> OffsetAndMetadata(record.offset() + 1)));
> {code}
> The committed offset should always be the offset of the next message that
> your application will read.
> This information should be incorporated into the existing JavaDoc to make it
> clearer.
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