Jun Ma created KAFKA-4797:
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Summary: Add lag in seconds 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: 0.10.2.0, 0.10.1.1, 0.10.1.0, 0.10.0.0, 0.9.0.1, 0.9.0.0
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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