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https://issues.apache.org/jira/browse/HDDS-910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721228#comment-16721228
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Elek, Marton commented on HDDS-910:
-----------------------------------
Yes, I agree.
As I understood it's depends from the situation: if we can have separated
counter/gauge fields which are incremented at the right time: it's easier to
use the annotations.
But when we already have the information somewhere (for example the size of an
already used hashmap) the metrics source can help to publish
> 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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