[jira] [Commented] (BEAM-13074) Metrics are not reported by the Flink runner

["Julien Tournay (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-13074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17430002#comment-17430002 ] 

Julien Tournay commented on BEAM-13074:
---------------------------------------

I think the issue comes from `FlinkMetricContainer`. You can see [here|https://github.com/apache/beam/blob/master/runners/flink/src/main/java/org/apache/beam/runners/flink/metrics/FlinkMetricContainer.java#L64] that `FlinkMetricContainer` has a `private final MetricsContainerStepMap metricsContainer` that is supposed to hold the metrics (`updateMetrics` starts by getting the metrics from `metricsContainer`).

Unless I'm missing something, I don’t see anything actually appending values to `metricsContainer` so no metric can actually be "cached".

Assuming that's indeed the issue, it was introduced by [https://github.com/apache/beam/pull/10415], over 2 years ago.

> Metrics are not reported by the Flink runner
> --------------------------------------------
>
>                 Key: BEAM-13074
>                 URL: https://issues.apache.org/jira/browse/BEAM-13074
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-flink
>    Affects Versions: 2.33.0
>            Reporter: Julien Tournay
>            Priority: P1
>
> When running a job using the Flink runner,  metrics are not reported.
> See [https://github.com/jto/beam-flink-broken-metrics] for a minimal example.



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