Izeren commented on code in PR #26849:
URL: https://github.com/apache/flink/pull/26849#discussion_r2245279628
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docs/content.zh/docs/ops/metrics.md:
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@@ -465,6 +465,38 @@ counter = runtime_context
{{< /tab >}}
{{< /tabs >}}
+### Additional Variables for operators
+
+You can define custom variables that will be assigned to all metrics reported
by a given operator
+using `Transformation.addMetricVariable`. For example:
+
+{{< tabs "32c0ba7f-3acd-831f-4a8b-a2de81b0126e" >}}
Review Comment:
If I understand correctly, the only requirement for these groupIds to be
unique. Given that it is not `customer facing` uid it doesn't have to be
"nice", so this is a nit
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