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https://issues.apache.org/jira/browse/KAFKA-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jun Ma updated KAFKA-4797:
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Summary: Add lag in time JMX metrics for fether threads (was: Add lag in
seconds JMX metrics for fether threads)
> Add lag in time JMX metrics for fether threads
> ----------------------------------------------
>
> Key: KAFKA-4797
> URL: https://issues.apache.org/jira/browse/KAFKA-4797
> Project: Kafka
> Issue Type: Bug
> Components: metrics
> Affects Versions: 0.9.0.0, 0.9.0.1, 0.10.0.0, 0.10.1.0, 0.10.1.1, 0.10.2.0
> Reporter: Jun Ma
> Attachments: maxLag.png
>
>
> Since 0.9.0.0, parameter replica.lag.max.messages was removed, replica lag
> time is now represent the lag between follower and leader replicas. But the
> metrics kafka.server:type=ReplicaFetcherManager,name=MaxLag,clientId=Replica
> is still representing max lag in messages between follower and leader
> replicas. We should change it to represent lag in time between follower and
> leader replicas.
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