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https://issues.apache.org/jira/browse/PHOENIX-3067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas D'Silva updated PHOENIX-3067:
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Fix Version/s: (was: 4.15.0)
> Phoenix metrics system should not be started in mini-cluster mode
> -----------------------------------------------------------------
>
> Key: PHOENIX-3067
> URL: https://issues.apache.org/jira/browse/PHOENIX-3067
> Project: Phoenix
> Issue Type: Bug
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Priority: Major
> Attachments: phoenix-3067_v1.patch
>
>
> Phoenix tracing piggy-backs on the metrics system by specifying a
> SpanReceiver which is also a MetricsSource (TraceMetricsSource).
> This works differently on client side versus server side. The hadoop metrics
> system should only be initialized once, and can only have a single prefix
> (hbase or phoenix, etc). We configure the metric sink through
> hadoop-metrics2.properties differently in client side versus server side [1].
> Hadoop metric system is designed so that if it is initialized already with
> some prefix (like hbase), re-initializing it again will be ignored unless it
> is in "mini-cluster mode". We do not check whether the metrics is already
> initialized from {{Metrics.java}} and blindly call
> {{DefaultMetricsSystem.instance().init("phoenix")}} which works as long as we
> are in distributed mode. Otherwise, the metrics sinks do not work.
> [1] https://phoenix.apache.org/tracing.html
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