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https://issues.apache.org/jira/browse/KAFKA-18980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-18980.
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Fix Version/s: 4.1.0
Resolution: Fixed
> OffsetMetadataManager#cleanupExpiredOffsets should record the number of
> records rather than topic partitions
> ------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-18980
> URL: https://issues.apache.org/jira/browse/KAFKA-18980
> Project: Kafka
> Issue Type: Improvement
> Reporter: Chia-Ping Tsai
> Assignee: Nick Guo
> Priority: Minor
> Fix For: 4.1.0
>
>
> this is not a bug as the number of records should be equal to number of topic
> partitions.
> {code:java}
> metrics.record(OFFSET_EXPIRED_SENSOR_NAME, expiredPartitions.size());
> {code}
> https://github.com/apache/kafka/blob/759fbbba8b977206ad189172f429acb97e98a798/group-coordinator/src/main/java/org/apache/kafka/coordinator/group/OffsetMetadataManager.java#L888
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