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https://issues.apache.org/jira/browse/KAFKA-936?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jay Kreps resolved KAFKA-936.
-----------------------------
    Resolution: Fixed

> Kafka Metrics Memory Leak 
> --------------------------
>
>                 Key: KAFKA-936
>                 URL: https://issues.apache.org/jira/browse/KAFKA-936
>             Project: Kafka
>          Issue Type: Bug
>          Components: consumer
>    Affects Versions: 0.8.0
>         Environment: centos linux, jdk 1.6, jboss
>            Reporter: Senthil Chittibabu
>            Assignee: Neha Narkhede
>            Priority: Critical
>
> I am using kafka_2.8.0-0.8.0-SNAPSHOT version. I am running into 
> OutOfMemoryError in PermGen Space. I have set the -XX:MaxPermSize=512m, but I 
> still get the same error. I used profiler to trace the memory leak, and found 
> the following kafka classes to be the cause for the memory leak. Please let 
> me know if you need any additional information to debug this issue. 
> kafka.server.FetcherLagMetrics
> kafka.consumer.FetchRequestAndResponseMetrics
> kafka.consumer.FetchRequestAndResponseStats
> kafka.metrics.KafkaTimer
> kafka.utils.Pool



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