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https://issues.apache.org/jira/browse/KAFKA-21234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Wu resolved KAFKA-21234.
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Resolution: Duplicate
> MetadataLoader can receive uncommitted data when log reads exceed
> MAX_BATCH_SIZE_BYTES
> --------------------------------------------------------------------------------------
>
> Key: KAFKA-21234
> URL: https://issues.apache.org/jira/browse/KAFKA-21234
> Project: Kafka
> Issue Type: Bug
> Components: kraft
> Reporter: Kevin Wu
> Assignee: Kevin Wu
> Priority: Major
>
> When the metadata layer tries to read a slice of records from KRaft which is
> greater than `KafkaRaftClient#MAX_BATCH_SIZE_BYTES`, the `RecordsIterator`
> can return records which are past the HWM. This can lead to a metadata error
> since uncommitted data should not be visible to the metadata layer.
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