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https://issues.apache.org/jira/browse/KAFKA-7992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782717#comment-16782717
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Lee Dongjin commented on KAFKA-7992:
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'needs-kip' tag added.
> Add a server start time metric
> ------------------------------
>
> Key: KAFKA-7992
> URL: https://issues.apache.org/jira/browse/KAFKA-7992
> Project: Kafka
> Issue Type: Improvement
> Reporter: Stanislav Kozlovski
> Assignee: Stanislav Kozlovski
> Priority: Minor
> Labels: needs-kip
>
> KIP: KIP-436
> As with all software systems, observability into their health is critical.
> With many deployment platforms (be them custom-built or open-source), tasks
> like restarting a misbehaving server in a cluster are completely automated.
> With Kafka, monitoring systems have no definitive source of truth to gauge
> when a server/client has been started. They are left to either use arbitrary
> Kafka-specific metrics as a heuristic or the JVM RuntimeMXBean's StartTime,
> which is not exactly indicative of when the application itself started
> It would be useful to have a metric exposing when the kafka server has
> started.
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