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From "Jun Ma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-4797) Add lag in time JMX metrics for fether threads
Date Fri, 24 Feb 2017 05:10:44 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jun Ma updated KAFKA-4797:
--------------------------
    Attachment: maxLag.jpg

> 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.jpg, 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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