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https://issues.apache.org/jira/browse/KAFKA-19126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrian C. updated KAFKA-19126:
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Attachment: log-dump-sample.txt
> Duplicate offsets written to log for different messages
> -------------------------------------------------------
>
> Key: KAFKA-19126
> URL: https://issues.apache.org/jira/browse/KAFKA-19126
> Project: Kafka
> Issue Type: Bug
> Components: log
> Affects Versions: 3.6.1, 3.8.0, 3.7.1
> Reporter: Adrian C.
> Priority: Major
> Attachments: follower-error.log, log-dump-sample.txt
>
>
> We have observed during normal operations that messages/batches can be
> written to disk with the same offset or baseOffset. This happens once in a
> while in multiple of our clusters (hosted in Azure and AWS) which blocks
> follower replication (error in attachment), causing ISR to shrink to the
> leader. In version 3.7 and above it also blocks consumers clients from
> reading past the offset.
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