pedro93 opened a new issue #7380:
URL: https://github.com/apache/pinot/issues/7380


   Currently for all resources Pinot has 2 `Service` resources, a headless and 
non-headless respectively. 
   
   Both services are using the same helper method for the match labels:
   ```
   metadata:
     name: {{ template "pinot.broker.headless" . }}
     labels:
       {{- include "pinot.brokerLabels" . | nindent 4 }}
   ```
   
   This leads to a duplication of metrics when trying to use Prometheus. 
   The solution to this is to make the labels unique, one such approach is to 
append the `app` label in the headless service with a suffix, i.e: `-headless`, 
like so:
   ```
     labels:
       app: {{ include "pinot.name" . }}-headless
       chart: {{ include "pinot.chart" . }}
       component: {{ .Values.broker.name }}
       release: {{ .Release.Name }}
       heritage: {{ .Release.Service }}
   ```


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