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https://issues.apache.org/jira/browse/KAFKA-3755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15334892#comment-15334892
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ASF GitHub Bot commented on KAFKA-3755:
---------------------------------------

Github user imandhan closed the pull request at:

    https://github.com/apache/kafka/pull/1506


> tightening the offset check in ReplicaFetcherThread
> ---------------------------------------------------
>
>                 Key: KAFKA-3755
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3755
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Jun Rao
>            Assignee: Ishita Mandhan
>
> Currently, in ReplicaFetcherThread.processPartitionData(), we have the 
> following code to make sure that the fetchOffset matches the log end offset.
>       if (fetchOffset != replica.logEndOffset.messageOffset)
>         throw new RuntimeException("Offset mismatch for partition %s: fetched 
> offset = %d, log end offset = %d.".format(topicAndPartition, fetchOffset, 
> replica.logEndOffset.messageOffset))
> It would be useful to further assert that the first offset in the messageSet 
> to be appended to the log is >= than the log end offset.



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