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https://issues.apache.org/jira/browse/KAFKA-5968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16180754#comment-16180754
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Rajini Sivaram commented on KAFKA-5968:
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[~tedyu] Thank you for the patch. To fix this properly, request metrics need to
be associated with servers rather than the current JVM-wide values so that they
can be deleted when the server is shutdown similar to other metrics.
> Remove all broker metrics during shutdown
> -----------------------------------------
>
> Key: KAFKA-5968
> URL: https://issues.apache.org/jira/browse/KAFKA-5968
> Project: Kafka
> Issue Type: Bug
> Components: core
> Reporter: Rajini Sivaram
> Fix For: 1.1.0
>
> Attachments: 5968.v1.txt
>
>
> RequestMetrics on the broker is currently a static variable, created when the
> broker starts up, but the metrics are never removed. This makes it hard to
> test broker metrics since there could be metrics left over from previous
> tests. We should ensure that all metrics are cleared even for brokers.
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