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https://issues.apache.org/jira/browse/FLINK-39893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18088979#comment-18088979
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Qiu Yanjun commented on FLINK-39893:
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Hi, I would like to work on this issue. Could you please assign it to me?
Thanks.
> Respect non-monotonic counter accumulation in openTelemetry reporter
> --------------------------------------------------------------------
>
> Key: FLINK-39893
> URL: https://issues.apache.org/jira/browse/FLINK-39893
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Metrics
> Affects Versions: 2.2.1
> Reporter: Efrat Levitan
> Priority: Major
>
> Otel reporter
> [drops|https://github.com/apache/flink/blob/master/flink-metrics/flink-metrics-otel/src/main/java/org/apache/flink/metrics/otel/OpenTelemetryMetricAdapter.java#L66-L73]
> the non-incremental datapoint with a warn, which is incorrect because flink
> {{Counter}} does not guarantee monotonicity (i.e
> [supports|https://github.com/apache/flink/blob/master/flink-metrics/flink-metrics-core/src/main/java/org/apache/flink/metrics/Counter.java#L35-L45]
> {{{}dec{}}}, or {{inc}} by a negative)
>
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