[jira] [Commented] (FLINK-29037) Flink Histogram not emitting sum while using Metrics Reporter

["Lim Qing Wei (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-29037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17631772#comment-17631772 ] 

Lim Qing Wei commented on FLINK-29037:
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I believe this is still not supported in Flink 1.15 and above.

If I read it correctly, this is the relevant code: [https://github.com/apache/flink/blob/master/flink-metrics/flink-metrics-prometheus/src/main/java/org/apache/flink/metrics/prometheus/AbstractPrometheusReporter.java#L365]

> Flink Histogram not emitting sum while using Metrics Reporter
> -------------------------------------------------------------
>
>                 Key: FLINK-29037
>                 URL: https://issues.apache.org/jira/browse/FLINK-29037
>             Project: Flink
>          Issue Type: New Feature
>          Components: Runtime / Metrics
>    Affects Versions: 1.13.6
>            Reporter: Sarang Vadali
>            Priority: Major
>
> I am currently registering a Flink Histogram and using the Prometheus Metrics Reporter to send this metric to our Time Series Data Storage. When Prometheus grabs this metric and converts it to the "summary" type, there is no sum found (only the streaming quantiles and count). This is causing an issue when our metrics agent is attempting to capture the Flink Histogram/Prometheus Summary.
> I was wondering if in a newer version (than 1.13.6) the histogram sum is computed by Flink and what that version would be? If not, is there any work around so that a Flink histogram can emit all 3 elements (quantiles, sum, and count) in Prometheus format?



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