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https://issues.apache.org/jira/browse/HDDS-910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721236#comment-16721236
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Elek, Marton commented on HDDS-910:
-----------------------------------
I just learned that @Metrics annotations also could be used on methods:
https://github.com/apache/hadoop/blob/ccaf036662e22da14583942054898c99fa51dae5/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MetricsSourceBuilder.java#L71
So even for dynamic values it could be easier just to create a method +
annotate it (and register the class itself in the metrics system). IMHO.
> Expose OMMetrics
> ----------------
>
> Key: HDDS-910
> URL: https://issues.apache.org/jira/browse/HDDS-910
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Bharat Viswanadham
> Assignee: Bharat Viswanadham
> Priority: Major
> Attachments: HDDS-910.00.patch
>
>
> Implement MetricsSource interface, so that external metrics can collect the
> OMMetrics.
>
> From *MetricsSource.java:*
> It registers with \{@link MetricsSystem}, which periodically polls it to
> collect \{@link MetricsRecord} and passes it to \{@link MetricsSink}.
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