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https://issues.apache.org/jira/browse/BEAM-6022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Gajowy closed BEAM-6022.
-------------------------------
Resolution: Not A Bug
Fix Version/s: Not applicable
> Metrics of the same name and type are created multiple times
> ------------------------------------------------------------
>
> Key: BEAM-6022
> URL: https://issues.apache.org/jira/browse/BEAM-6022
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Lukasz Gajowy
> Assignee: Kenneth Knowles
> Priority: Major
> Fix For: Not applicable
>
>
> I noticed that when the below (or any other metric type) is called multiple
> times:
> {code:java}
> Metrics.counter("namespace", "name");{code}
> metrics of the same name and type are created. So when such metrics are
> queried by name:
> {code:java}
> MetricQueryResults metrics =
> result
> .metrics()
> .queryMetrics(
> MetricsFilter.builder()
> .addNameFilter(MetricNameFilter.named(namespace, name))
> .build());
> Iterable<MetricResult<Long>> counters = metrics.getCounters();{code}
> there is ambiguity which MetricResult should be chosen.
> Should api users obtain one metric result here?
> Should api users merge the counter results if there are multiple returned?
> I noticed that all of the results contain the same value (not sure if this is
> always the case). Should api users read only one of the multiple results to
> get correct metric?
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