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https://issues.apache.org/jira/browse/KAFKA-15981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeff Kim updated KAFKA-15981:
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Summary: update Group size only when groups size changes (was: only record
Group state metrics once per group during load)
> update Group size only when groups size changes
> -----------------------------------------------
>
> Key: KAFKA-15981
> URL: https://issues.apache.org/jira/browse/KAFKA-15981
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Jeff Kim
> Assignee: Jeff Kim
> Priority: Major
>
> Currently, we increment generic group metrics whenever we create a new
> GenericGroup object while we load the partition. This is incorrect as the
> partition may contain several records for the same group if in the active
> segment or if the segment has not yet been compacted. Same applies to
> removing groups; we can possibly have group tombstone preceding a group
> metadata record.
> Instead, increment the metrics for each group we successfully loaded.
> Also applies to ConsumerGroup.
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